18131-2024 J 1621 AC

Coord 2000	18131-2024		Discov num	J  1621		Comp	AC		Coord arcsec 2000	18 13 05.58 -20 24 28.1
Date first	1941		Date last	1998		Obs	3
Pa first	290		Pa last	301		P.A. Now (θ)	301°
Sep first	18.0		Sep last	15.82		Sep. Now (ρ)	15.82"
Mag pri	11.39		Mag sec	15.10		delta mag (ΔM)	3.71		Spectral class
Pri motion ra	+003		Sec motion ra
Pri motion dec	-002		Sec motion dec
Notes

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 312983		18 13 06 -20 24 28	ARA 1141 AB	2015	6	286	8.0	11.27	11.50	0.23
Show			18 13 06 -20 24 28	J 1621 AC	1998	3	301	15.8	11.39	15.10	3.71		<===
Show			18 13 04 -20 24 21	SKF 1038 CD	2015	2	187	4.1	13.50	18.00	4.50

Quadruple system
4 estimated visually detectable stars in this system

Constellation

Sagittarius

Tycho2

6272-00833-1

Gaia DR2

4094041274174092672

HD

312983

No records found.

refcode	metd	author	reference
Ara1961	Pa -	Aravamudan, S.	1961PASP...73..266A
Ara1961		PASP 73, 266, 1961
Ara1963	Pa -	Aravamudan, S.	.
Ara1963		Pub. Nizamiah Obs. 13, Pt.3, 1963
J__1908	Ma -	Jonckheere, R.	1908BuAsI..25..458J
J__1908		Bull. Astronomique 25, 458, 1908
J__1909a	Ma -	Jonckheere, R.	...................
J__1909a		Journal Astronomique 1, no. 1, 1, 1909
J__1909b	Ma -	Jonckheere, R.	...................
J__1909b		Journal Astronomique 1, no. 2, 1909
J__1909c	Ma -	Jonckheere, R.	...................
J__1909c		Journal Astronomique 1, no. 3, 1909
J__1910a	Ma j	Jonckheere, R.	...................
J__1910a		Journal Astronomique 1, no. 4, 25, 1910
J__1910b	Ma -	Jonckheere, R.	...................
J__1910b		Journal Astronomique 1, no. 5, 1910
J__1910c	Ma j	Jonckheere, R.	...................
J__1910c		Journal Astronomique 1, no. 7, 1910
J__1910d	Ma -	Jonckheere, R.	...................
J__1910d		Journal Astronomique 1, no. 7, 1910
J__1910e	Ma j	Jonckheere, R.	...................
J__1910e		Journal Astronomique 1, no. 7, 1910
J__1910f	Ma j	Jonckheere, R.	...................
J__1910f		Journal Astronomique 1, no. 10, 77, 1910
J__1910g	Ma -	Jonckheere, R.	...................
J__1910g		Journal Astronomique 1, no. 11, 81, 1910
J__1910h	Ma j	Jonckheere, R.	...................
J__1910h		Journal Astronomique 1, no. 12, 89, 1910
J__1910i	Ma j	Jonckheere, R.	...................
J__1910i		Journal Astronomique 1, no. 13, 98, 1910
J__1911a	Ma -	Jonckheere, R.	...................
J__1911a		Journal Astronomique 1, no. 15, 114, 1911
J__1911b	Ma j	Jonckheere, R.	...................
J__1911b		Journal Astronomique 1, no. 16, 121, 1911
J__1911c	Ma j	Jonckheere, R.	1911MNRAS..71..750J
J__1911c		MNRAS 71, 750, 1911
J__1911d	Ma -	Jonckheere, R.	1911MNRAS..72...45J
J__1911d		MNRAS 72, 45, 1911
J__1911e	Ma -	Jonckheere, R.	1911MNRAS..72..156J
J__1911e		MNRAS 72, 156, 1911
J__1911f	Ma j	Jonckheere, R.	1911MNRAS..72..162J
J__1911f		MNRAS 72, 162, 1911
J__1912a	Ma j	Jonckheere, R.	1912MNRAS..72..188J
J__1912a		MNRAS 72, 188, 1912
J__1912b	Ma j	Jonckheere, R.	...................
J__1912b		Journal Astronomique 1, no. 17, 129, 1912
J__1912c	Ma -	Jonckheere, R.	...................
J__1912c		Journal Astronomique 1, no. 19, 134, 1912
J__1912d	Ma j	Jonckheere, R.	...................
J__1912d		Journal Astronomique 1, no. 21, 145, 1912
J__1912e	Ma -	Jonckheere, R.	...................
J__1912e		Journal Astronomique 1, no. 22, 148, 1912
J__1912f	Ma j	Jonckheere, R.	...................
J__1912f		Journal Astronomique 1, no. 23, 150, 1912
J__1912g	Ma j	Jonckheere, R.	...................
J__1912g		Journal Astronomique 2, no. 25, 1, 1912
J__1912h	Ma -	Jonckheere, R.	...................
J__1912h		Journal Astronomique 2, no. 26, 5, 1912
J__1913a	Ma j	Jonckheere, R.	...................
J__1913a		Journal Astronomique 2, no. 27, 9, 1913
J__1913b	Ma j	Jonckheere, R.	...................
J__1913b		Journal Astronomique 2, no. 28, 13, 1913
J__1914	Ma -	Jonckheere, R.	...................
J__1914		Journal Astronomique 2, no. 29, 18, 1914
J__1917a	Ma -	Jonckheere, R.	1917MmRAS..61....1J
J__1917a		MemRAS 61, 1, 1917
J__1917c	Ma j	Jonckheere, R.	1917AJ.....31....1J
J__1917c		AJ 31, 1, 1917
J__1918	Ma -	Jonckheere, R.	1918AJ.....31..113J
J__1918		AJ 31, 113, 1918
J__1918b	Ma j	Jonckheere, R.	1918MNRAS..78..479J
J__1918b		MNRAS 78, 479, 1918
J__1919	Ma j	Jonckheere, R.	1919AJ.....32...65J
J__1919		AJ 32, 65, 1919
J__1920	Ma -	Jonckheere, R.	1920AJ.....32..166J
J__1920		AJ 32, 166, 1920
J__1924	Ma -	Jonckheere, R.	1924AJ.....35..173J
J__1924	+Mb	AJ 35, 173, 1924
J__1930	Ma j	Jonckheere, R.	1930JO.....13...76J
J__1930		J. Obs. 13, 76, 1930
J__1941a	Ma -	Jonckheere, R.	1941JO.....24...21J
J__1941a		J. Obs. 24, 21, 1941
J__1941b	Ma -	Jonckheere, R.	1941JO.....24...69J
J__1941b	+Mb	J. Obs. 24, 69, 1941
J__1941c	Ma -	Jonckheere, R.	1941JO.....24...93J
J__1941c	+Mb	J. Obs. 24, 93, 1941
J__1941d	Ma -	Jonckheere, R.	1941JO.....24..114J
J__1941d	+Mb	J. Obs. 24, 114, 1941
J__1942a	Ma -	Jonckheere, R.	1942JO.....25...11J
J__1942a		J. Obs. 25, 11, 1942
J__1942b	Ma -	Jonckheere, R.	1942JO.....25...15J
J__1942b		J. Obs. 25, 15, 1942
J__1942c	Ma -	Jonckheere, R.	1942JO.....25...25J
J__1942c	+Mb	J. Obs. 25, 25, 1942
J__1942d	Mb -	Jonckheere, R.	1942JO.....25...78J
J__1942d		J. Obs. 25, 78, 1942
J__1943	Ma -	Jonckheere, R.	1943JO.....26...28J
J__1943	+Mb	J. Obs. 26, 28, 1943
J__1944a	Ma j	Jonckheere, R.	1944JO.....27....1J
J__1944a	+Mb	J. Obs. 27, 1, 1944
J__1944b	Ma -	Jonckheere, R.	1944JO.....27....5J
J__1944b		J. Obs. 27, 5, 1944
J__1944c	Mb -	Jonckheere, R.	1944JO.....27....6J
J__1944c		J. Obs. 27, 6, 1944
J__1944d	Ma j	Jonckheere, R.	1944JO.....27....7J
J__1944d	+Mb	J. Obs. 27, 7, 1944
J__1944e	Ma -	Jonckheere, R.	1944JO.....27...11J
J__1944e		J. Obs. 27, 11, 1944
J__1945	Ma -	Jonckheere, R.	1945JO.....28...26J
J__1945	+Mb	J. Obs. 28, 26, 1945
J__1946	Mb j	Jonckheere, R.	1946JO.....29...49J
J__1946		J. Obs. 29, 49, 1946
J__1948	Ma j	Jonckheere, R.	1948JO.....31...65J
J__1948		J. Obs. 31, 65, 1948
J__1949a	Ma j	Jonckheere, R.	1949JO.....32...13J
J__1949a	+Mb	J. Obs. 32, 13, 1949
J__1949b	Ma j	Jonckheere, R.	1949JO.....32...81J
J__1949b	+Mb	J. Obs. 32, 81, 1949
J__1952	M+ j	Jonckheere, R.	1952JO.....35...37J
J__1952	+Pa	J. Obs. 35, 37, 1952
J__1953a	Ma -	Jonckheere, R.	1953JO.....36...44J
J__1953a		J. Obs. 36, 44, 1953
J__1953b	Mb j	Jonckheere, R.	1953JO.....36...49J
J__1953b		J. Obs. 36, 49, 1953
J__1954	Mb j	Jonckheere, R.	1954JO.....37...13J
J__1954		J. Obs. 37, 13, 1954
J__1955	Mb -	Jonckheere, R.	1955JO.....38..254J
J__1955		J. Obs. 38, 254, 1955
J__1957	Mb j	Jonckheere, R.	1957JO.....40....1J
J__1957		J. Obs. 40, 1, 1957
J__1958	Mb j	Jonckheere, R.	1958JO.....41..145J
J__1958		J. Obs. 41, 145, 1958
J__1962a	M+ j	Jonckheere, R.	1962QB821.J64......
J__1962a	+Pa	General Cat. of Double Stars, Marseille, 1962
J__1962b	Ma -	Jonckheere, R. (measure by Vanderdonck, J.)	1962QB821.J64......
J__1962b		General Cat. of Double Stars, Marseille, 1962
J__1963A	-	Jonckheere, R.	1963icvd.book.....J
J__1963A		cited in IDS (Lick Index Cat.), 1963
J__9999	Ma -	Jonckheere, R.	...................
J__9999	+Pp	Unpublished, manuscript or reference not found.
Skf2000	Ma -	Skiff, B.A.	...................
Skf2000		Webb Soc., Double Star Circ. 8, 2000 (may not be properly precessed)
Skf2002	C -	Skiff, B.A.	...................
Skf2002		private communication, 2002
Skf2002		(measure based on 2MASS data, may not be properly precessed)
Skf2003	-	Skiff, B.A.	...................
Skf2003		private communication, 2003 (may not be properly precessed)
Skf2004	-	Skiff, B.A.	...................
Skf2004		private communication, 2004 (may not be properly precessed)
Skf2004		(coordinates and identifications for Stock & Wroblewski pairs)
Skf2005	C -	Skiff, B.A.	...................
Skf2005		private communication, 2005 (may not be properly precessed)
Skf2006	-	Skiff, B.A.	...................
Skf2006		private communication, 2006 (may not be properly precessed)
Skf2006b	Pa -	Skiff, B.A.	...................
Skf2006b		private communication, 2006 (may not be properly precessed)
Skf2006b		(data mining of Stephenson, C.B., AJ 91, 144, 1986)	1986AJ.....91..144S
Skf2006c	Po -	Skiff, B.A.	...................
Skf2006c		private communication, 2006 (may not be properly precessed)
Skf2006c		(data mining of Joy & Abt, ApJS 28, 1, 1974)	1974ApJS...28....1J
Skf2007	-	Skiff, B.A.	...................
Skf2007		private communication, 2007 (may not be properly precessed)
Skf2009	E2 -	Skiff, B.A.	...................
Skf2009		private communication, 2009 (may not be properly precessed)
Skf2010	C j	Skiff, B.A.	...................
Skf2010	+E+	private communication, 2010 (may not be properly precessed)
Skf2010	+Pa
Skf2011	C j	Skiff, B.A.	...................
Skf2011	+E+	private communication, 2011 (may not be properly precessed)
Skf2011	+H+
Skf2011	+M+
Skf2011	+P+
Skf2011	+T
Skf2011b	Pa j	Skiff, B.A.	...................
Skf2011b	+E+	Webb Soc., Double Star Circ. 19, 2011 (may not be properly precessed)
Skf2012	A j	Skiff, B.A.	...................
Skf2012	+C	private communication, 2012 (may not be properly precessed)
Skf2012	+E+
Skf2012	+H+
Skf2012	+P+
Skf2012	+T+
Skf2012b	C j	Skiff, B.A.	...................
Skf2012b		private communication, 2012 (may not be properly precessed)
Skf2012b		(measure calculated from component coords in Alcock et al., ApJ 562, 337, 2001)	2001ApJ...562..337A
Skf2012c	Ci -	Skiff, B.A.	...................
Skf2012c		private communication, 2012 (may not be properly precessed)
Skf2012c		(measure calculated from component coords in FLX2006)	2006ApJ...639..816E
Skf2012d	Pa j	Skiff, B.A.	...................
Skf2012d		private communication, 2012 (may not be properly precessed)
Skf2012d		(measure calculated from component coords in Fresneau et al., A&A 469, 1221, 2007)	2007A&A...469.1221F
Skf2012e	C j	Skiff, B.A.	...................
Skf2012e		private communication, 2012 (may not be properly precessed)
Skf2012e		(measure calculated from component coords in Slesnick et al. 2002)	2002ApJ...576..880S
Skf2012f	C j	Skiff, B.A.	...................
Skf2012f	+H	private communication, 2012 (may not be properly precessed)
Skf2012f		(measure calculated from component coords in Romano et al., A&A 488, 1221, 2008)	2008A&A...488.1221R
Skf2012g	C -	Skiff, B.A.	...................
Skf2012g		private communication, 2012 (may not be properly precessed)
Skf2012g		(measure calculated from component coords in Trullols et al. 1997)	1997A&A...324..549T
Skf2012h	C -	Skiff, B.A.	...................
Skf2012h		private communication, 2012 (may not be properly precessed)
Skf2012h		(measure calculated from component coords in Herbig, ApJ 497, 736, 1998)	1998ApJ...497..736H
Skf2012i	H -	Skiff, B.A.	...................
Skf2012i		private communication, 2012 (may not be properly precessed)
Skf2012i		(measure calculated from component coords in Najita et al. 2000)	2000ApJ...541..977N
Skf2012j	C j	Skiff, B.A.	...................
Skf2012j		private communication, 2012 (may not be properly precessed)
Skf2012j		(measure calculated from component coords in Luhman et al. 2003)	2003ApJ...593.1093L
Skf2012k	C -	Skiff, B.A.	...................
Skf2012k		private communication, 2012 (may not be properly precessed)
Skf2012k		(measure calculated from component coords in Cohen et al. 2004)	2004AJ....127.1602C
Skf2012l	C -	Skiff, B.A.	...................
Skf2012l		private communication, 2012 (may not be properly precessed)
Skf2012l		(measure calculated from component coords in Littlefair et al, MNRAS 358,341,2005)	2005MNRAS.358..341L
Skf2012m	H -	Skiff, B.A.	...................
Skf2012m		private communication, 2012 (may not be properly precessed)
Skf2012m		(measure calculated from component coords in Lada et al., AJ 131, 1574, 2006)	2006ApJ...131.1574L
Skf2012n	C -	Skiff, B.A.	...................
Skf2012n		private communication, 2012 (may not be properly precessed)
Skf2012n		(measure calculated from component coords in Mayne et al. 2007)	2007MNRAS.375.1220M
Skf2012o	E -	Skiff, B.A.	...................
Skf2012o	+E2	private communication, 2012 (may not be properly precessed)
Skf2012o		(measure calculated from component coords in Poleski et al. 2011)	2011AcA....61..199P
Skf2012q	C j	Skiff, B.A.	...................
Skf2012q	+E+	Webb Soc., Double Star Circ. 20, 2012 (may not be properly precessed)
Skf2012q	+H+
Skf2012q	+Mr
Skf2012q	+P+
Skf2012q	+T
Skf2013	A j	Skiff, B.A.	...................
Skf2013	+C	private communication, 2013 (may not be properly precessed)
Skf2013	+E+
Skf2013	+H+
Skf2013	+Ma
Skf2013	+P+
Skf2013	+T
Skf2013b	C j	Skiff, B.A.	...................
Skf2013b	+E+	Webb Soc., Double Star Circ. 21, 2013 (may not be properly precessed)
Skf2013b	+H+
Skf2013b	+P+
Skf2013b	+T+
Skf2013c	E -	Skiff, B.A.	...................
Skf2013c	+Pa	private communication, 2013 (may not be properly precessed)
Skf2013c		(measure calculated from component coords in Galadi-Enriquez et al. 1998)	1998A&AS..131..239G
Skf2014	C j	Skiff, B.A.	...................
Skf2014	+E+	private communication, 2014 (may not be properly precessed)
Skf2014	+H+
Skf2014	+P+
Skf2014b	C j	Skiff, B.A.	...................
Skf2014b	+E+	Webb Soc., Double Star Circ. 22, 2014 (may not be properly precessed)
Skf2014b	+H+
Skf2014b	+M+
Skf2014b	+P+
Skf2014b	+T
Skf2014c	E -	Skiff, B.A.	...................
Skf2014c	+Pa	Webb Soc., Double Star Circ. 22, 2014 (may not be properly precessed)
Skf2014c		(measure calculated from component coords in Galadi-Enriquez et al. 1998)	1998A&AS..131..239G
Skf2014d	Pa w	Skiff, B.A.	...................
Skf2014d		Webb Soc., Double Star Circ. 22, 2014 (may not be properly precessed)
Skf2014d		(measure calculated from component coords in Fresneau et al., A&A 469, 1221, 2007)	2007A&A...469.1221F
Skf2015	C j	Skiff, B.A.	...................
Skf2015	+E+	private communication, 2015 (may not be properly precessed)
Skf2015	+H+
Skf2015	+P+
Skf2015	+T
Skf2015b	C j	Skiff, B.A.	...................
Skf2015b	+E+	Webb Soc., Double Star Circ. 23, 40, 2015 (may not be properly precessed)
Skf2015b	+Hw
Skf2015b	+P+
Skf2015c	C j	Skiff, B.A.	...................
Skf2015c	+E+	Webb Soc., Double Star Circ. 23, 49, 2015 (may not be properly precessed)
Skf2015c	+H+
Skf2015c	+P+
Skf2015c	+T
Skf2015d	C j	Skiff, B.A.	...................
Skf2015d	+E+	private communication, 2015 (list 38; may not be properly precessed)
Skf2015d	+H+
Skf2015d	+P+
Skf2015d	+T
Skf2015e	C j	Skiff, B.A.	...................
Skf2015e	+E+	private communication, 2015 (list 39; may not be properly precessed)
Skf2015e	+H+
Skf2015e	+P+
Skf2015e	+T
Skf2016a	C j	Skiff, B.A.	...................
Skf2016a	+E+	private communication, 2016 (list 40; may not be properly precessed)
Skf2016a	+H+
Skf2016a	+P+
Skf2016a	+T
Skf2016b	Pa j	Skiff, B.A. (measure in Csr2016)	...................
Skf2016b	+P	Webb Soc., Double Star Circ. 24, 40, 2016
Skf2016b	+E2
Skf2016b	+Ht
Skf2016b	+Eu
Skf2016b	+C
Skf2016b	+Hw
Skf2016b	+Er
Skf2016c	P+ j	Skiff, B.A.	...................
Skf2016c	+C	Webb Soc., Double Star Circ. 24, 43, 2016
Skf2016c	+E+
Skf2016c	+H+
Skf2016c	+P+
Skf2016c	+T+
Skf2016d	C j	Skiff, B.A.	...................
Skf2016d	+E+	private communication, 2016 (list 41; may not be properly precessed)
Skf2016d	+H+
Skf2016d	+P+
Skf2016d	+T
Skf2016e	C j	Skiff, B.A.	...................
Skf2016e	+E+	private communication, 2016 (14 June email; may not be properly precessed)
Skf2016f	C -	Skiff, B.A.	...................
Skf2016f	+E+	private communication, 2016 (list 42; may not be properly precessed)
Skf2016f	+H+
Skf2016f	+P+
Skf2016f	+T
Skf2016g	C j	Skiff, B.A.	...................
Skf2016g	+E+	private communication, 2016 (list 43; may not be properly precessed)
Skf2016g	+H+
Skf2016g	+P+
Skf2016g	+T
Skf2016h	Hg -	Skiff, B.A.	...................
Skf2016h		private communication, 2016 (1 December email; may not be properly precessed)
Skf2016i	Hg -	Skiff, B.A.	...................
Skf2016i		private communication, 2016 (20 December email; may not be properly precessed)
Skf2016j	Hg -	Skiff, B.A.	...................
Skf2016j		private communication, 2016 (24 December email; may not be properly precessed)
Skf2017a	C+ j	Skiff, B.A.	...................
Skf2017a	+H	private communication, 2017 (13 January email; may not be properly precessed)
Skf2017b	Hg -	Skiff, B.A.	...................
Skf2017b		private communication, 2017 (14 January email; may not be properly precessed)
Skf2017b
Skf2017c	C+ j	Skiff, B.A.	...................
Skf2017c	+E+	private communication, 2017 (30 January email; may not be properly precessed)
Skf2017c	+H+
Skf2017c	+P
Skf2017d	Hg -	Skiff, B.A.	...................
Skf2017d		private communication, 2017 (26 Febuary email; may not be properly precessed)
Skf2017e	C+ j	Skiff, B.A.	...................
Skf2017e	+P	private communication, 2017 (9 March email; may not be properly precessed)
Skf2017f	E+ -	Skiff, B.A.	...................
Skf2017f	+H	private communication, 2017 (24 May email; may not be properly precessed)
Skf2017g	P+ u	Skiff, B.A.	...................
Skf2017g	+C+	Webb Soc., Double Star Circ. 25, 62, 2017
Skf2017g	+E+
Skf2017g	+H+
Skf2017g	+T
Skf2017h	Hg -	Skiff, B.A.	...................
Skf2017h		private communication, 2017 (24 June email; may not be properly precessed)
Skf2017i	H+ w	Skiff, B.A.	...................
Skf2017i	+P+	private communication, 2017 (11 July email; may not be properly precessed)
Skf2017i	+E+
Skf2017i	+C
Skf2017j	H+ w	Skiff, B.A.	...................
Skf2017j	+P+	private communication, 2017 (15 July emails; may not be properly precessed)
Skf2017j	+E
Skf2017k	C+ -	Skiff, B.A.	...................
Skf2017k	+E+	private communication, 2017 (17 July emails; may not be properly precessed)
Skf2017k	+H
Skf2017l	C+ -	Skiff, B.A.	...................
Skf2017l	+E+	private communication, 2017 (18 July emails; may not be properly precessed)
Skf2017l	+H
Skf2017m	P+ w	Skiff, B.A.	...................
Skf2017m	+E+	private communication, 2017 (20 July emails; may not be properly precessed)
Skf2017m	+H+
Skf2017m	+C
Skf2017n	E+ -	Skiff, B.A.	...................
Skf2017n	+H	private communication, 2017 (25 July emails; may not be properly precessed)
Skf2017o	E+ w	Skiff, B.A.	...................
Skf2017o	+P+	private communication, 2017 (20 August emails; may not be properly precessed)
Skf2017o	+C
Skf2017p	E+ j	Skiff, B.A.	...................
Skf2017p	+P+	private communication, 2017 (2 October emails; may not be properly precessed)
Skf2017p	+C+
Skf2017p	+H
Skf2017q	E+ w	Skiff, B.A.	...................
Skf2017q	+P+	private communication, 2017 (3 October emails; may not be properly precessed)
Skf2017q	+H
Skf2018a	E j	Skiff, B.A.	...................
Skf2018a		private communication, 2018 (18 January emails; may not be properly precessed)
Skf2018b	E+ j	Skiff, B.A.	...................
Skf2018b	+C	private communication, 2018 (10 February emails; may not be properly precessed)
Skf2018c	E+ j	Skiff, B.A.	...................
Skf2018c	+C	private communication, 2018 (16 February emails; may not be properly precessed)
Skf2018d	E+ j	Skiff, B.A.	...................
Skf2018d	+C	private communication, 2018 (6 March emails; may not be properly precessed)
Skf2018e	E+ j	Skiff, B.A.	...................
Skf2018e	+not	private communication, 2018 (15 March emails; may not be properly precessed)
Skf2018f	not j	Skiff, B.A.	...................
Skf2018f		private communication, 2018 (9 March emails; may not be properly precessed)
Skf2018g	Hg j	Skiff, B.A.	...................
Skf2018g		private communication, 2018 (20 March emails; may not be properly precessed)
Skf2018h	H j	Skiff, B.A.	...................
Skf2018h	+E	private communication, 2018 (6 April emails; may not be properly precessed)
Skf2018i	H j	Skiff, B.A.	...................
Skf2018i	+P	private communication, 2018 (19 October emails; may not be properly precessed)
Skf2018j	H j	Skiff, B.A.	...................
Skf2018j	+P	private communication, 2018 (24 November emails; may not be properly precessed)
Skf2018k	H j	Skiff, B.A.	...................
Skf2018k	+P	private communication, 2018 (19 December emails; may not be properly precessed)
Skf2019a	H j	Skiff, B.A.	...................
Skf2019a		private communication, 2019 (16 July email; may not be properly precessed)
Skf2019b	H j	Skiff, B.A.	...................
Skf2019b		private communication, 2019 (6 August email; may not be properly precessed)
Skf2019c	j	Skiff, B.A.	...................
Skf2019c		private communication, 2019 (16 August email; may not be properly precessed)
Skf2019d	H j	Skiff, B.A.	...................
Skf2019d		private communication, 2019 (11 September email; may not be properly precessed)
Skf2019e	H+ j	Skiff, B.A.	...................
Skf2019e	+E	private communication, 2019 (30 July email; may not be properly precessed)
Skf2019f	C j	Skiff, B.A.	...................
Skf2019f	+E+	private communication, 2019 (list 44; may not be properly precessed)
Skf2019f	+H+
Skf2019f	+P+
Skf2019f	+T
Skf2019g	Z j	Skiff, B.A.	...................
Skf2019g		private communication, 2019 (8 October email)
Skf2020a	C j	Skiff, B.A.	...................
Skf2020a	+E+	private communication, 2020 (9 March email; may not be properly precessed)
Skf2020a	+H+
Skf2020a	+P
Skf2020b	C j	Skiff, B.A.	...................
Skf2020b	+E+	private communication, 2020 (list 45; may not be properly precessed)
Skf2020b	+H+
Skf2020b	+P+
Skf2020b	+T
Skf2020c	Hg j	Skiff, B.A.	...................
Skf2020c		private communication, 2020 (5 August email)
Skf2020d	Hg+ j	Skiff, B.A.	...................
Skf2020d	+Ek	private communication, 2020 (23 August email)
Skf2020e	Hg j	Skiff, B.A.	...................
Skf2020e		private communication, 2020 (31 August email)
Skf2020f	E	Skiff, B.A.	...................
Skf2020f		private communication, 2020 (22 November email)
Skf2021a	Hg	Skiff, B.A.	...................
Skf2021a		private communication, 2021 (13 March email)
Skf2021b	H+	Skiff, B.A.	...................
Skf2021b	+E+	private communication, 2021 (15 November email)
Skf2021c	Hg	Skiff, B.A.	...................
Skf2021c		private communication, 2021 (16 December email)
Skf2022a	E	Skiff, B.A.	...................
Skf2022a		private communication, 2022 (12 September email)
Skf2022b	Hg	Skiff, B.A.	...................
Skf2022b		private communication, 2022 (28 September email)
Skf2022c	E	Skiff, B.A.	...................
Skf2022c		private communication, 2022 (17 October email)
Skf2022d	E	Skiff, B.A.	...................
Skf2022d		private communication, 2022 (12 December email)
Skf2022e	Hg	Skiff, B.A.	...................
Skf2022e		private communication, 2022 (19 December email)
Skf2023a	Hg	Skiff, B.A.	...................
Skf2023a		private communication, 2023 (28 February email)

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18131-2024	J 1621	AC	1998	2	303	16.0	11.39	15.10			181305.58-202428.1

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

FoV: 30" 1' 5' 15' 30' 1° 2° 4° 5° 8° Limit: 2 3 4 5 10 15 20 25 30 50 100 Primaries only
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(') Show 18131-2024 J 1621 AC 301 15.8 Show 18131-2024 ARA1141 AB 286 8.0 Show 18131-2024 SKF1038 CD 187 4.1 1 Show 18128-2024 DON 886 205 4.9 5 Show 18115-2023 ARA1137 334 4.1 22 Show 18152-2023 CHR 255 Aa,Ab 156 0.1 30 Show 18152-2023 BU 286 AB 216 6.1 30 Show 18152-2023 SNA 83 AC 27 5.9 30 Show 18152-2023 SNA 83 AD 281 6.5 30 Show 18152-2023 SNA 83 AE 242 7.3 30 Show 18140-2052 J 1622 45 7.7 31 Show 18112-2041 ARA1136 305 14.3 32 Show 18121-2054 ARA1139 123 10.6 33 Show 18152-2044 TOK 59 AB 77 1.3 36 Show 18152-2044 SNA 82 Aa,Ab 203 0.0 36 Show 18152-2044 SNA 82 AC 356 2.3 36 Show 18152-2044 SNA 82 AD 108 7.1 36 Show 18137-1949 TOB 277 130 23.5 37 Show 18146-2055 KPP1769 268 13.7 38 Show 18136-2101 GLP 13 245 25.0 39 Show 18116-1952 OCC9176 -1 0.0 40 Show 18135-1945 OCC 467 -1 0.1 40 Show 18116-2059 ARA1138 157 13.6 40 Show 18150-1955 HJ 2823 AB 330 20.3 40 Show 18150-1955 TOB 275 AC 91 23.2 40 Show 18150-1955 TOB 275 AD 47 30.3 40 Show 18129-1945 OCC 465 -1 0.1 40 Show 18150-1955 TOB 275 CF 110 75.5 40 Show 18138-2104 SLV 7 BD 331 40.8 41 Show 18138-2104 SLV 7 BE 106 64.4 41 Show Polis 18138-2104 H 5 7 AB 258 16.9 41 Show Polis 18138-2104 BU 292 AC 119 25.5 41 Show Polis 18138-2104 HJ 2822 AD 312 48.2 41 Show Polis 18138-2104 HJ 2822 AE 114 50.2 41 Show 18150-1955 TOB 275 DE 37 36.3 41 Show 18154-1956 B 1883 53 0.2 43 Show 18112-1951 BU 132 AB 187 1.4 43 Show 18112-1951 TOK 57 Aa,Ab 16 0.0 43 Show 18112-1951 OCC9175 Ba,Bb -1 0.0 43 Show 18124-2107 ARA1519 235 8.2 44 Show 18158-2001 CLL 12 199 22.9 45 Show 18163-2027 SKF1039 336 3.7 45 Show 18155-2057 TDS 911 102 1.0 48 Show 18150-1945 TOB 276 345 13.0 48 Show 18163-2008 ARA1143 18 10.9 49 Show 18166-2033 MCA 51 321 0.1 50 Show 18097-2007 BRT1514 22 4.6 51 Show 18157-1950 B 1884 85 0.2 51 Show 18167-2022 SKF 99 141 3.0 51 Show 18168-2027 ARA1144 336 9.7 52 Show 18129-1933 BRT1519 55 5.2 53

	A	B	C
B	pa=286.6° sep=7.55"
C	pa=287.8° sep=22.59"	pa=288.4° sep=15.04"
D	pa=277.4° sep=22.14"	pa=272.6° sep=14.73"	pa=186.3° sep=4.09"

Name	HD 312983		Coord arcsec 2000	181305.58-202428.1		Mag	11.27		PmRA	3.00
PmDE	-5.0		Tycho2	6272-00833-1		HD	312983

Tycho2	6272-00833-1		Pflag			RAmdeg	273.27326664		DEmdeg	-20.40782755
PmRA	-6.0		PmDE	-5.1		E RAmdeg	58		E DEmdeg	79
E pmRA	3.0		E pmDE	3.2		EpRAm	1985.80		EpDEm	1981.49
Num	3		Q RAmdeg	0.2		Q DEmdeg	0.2		Q pmRA	0.2
Q pmDE	0.2		BTmag	11.604		E BTmag	0.102		VTmag	11.266
E VTmag	0.130		Prox	727		TYC			HIP
CCDM			RAdeg	273.27328111		DEdeg	-20.40781583		EpRA 1990	1.84
EpDE 1990	1.79		E RAdeg	60.9		E DEdeg	85.7		Posflg
Corr	-0.2

Ccdm	18131-2024		RComp			Comp	A		Note1
Note2			Discov num			DRAs	-0.40		DDEs	-27.3
R dRAs	41		Year			Theta			Rho
Obs	3		Vmag	10.3		Sp			PmNote
PmRA			PmDE			Dm number			Cat1
Name2	-20 6876		Cat2	CPD		HD			M HD
ADS BDS			M ADS BDS			N IDS			IDS	18070S2022A
HIC

Coord arcsec 2000	181305.07-202425.9		Mag	11.5		PmRA	-4.00		PmDE	-1.0
Calc delta mag	0.23		Calc coord	yes

Ccdm	18131-2024		RComp			Comp	B		Note1
Note2			Discov num	ARA1141		DRAs	-0.98		DDEs	-25.1
R dRAs	41		Year	1921		Theta	283		Rho	8.1
Obs	2		Vmag	10.6		Sp			PmNote
PmRA			PmDE			Dm number			Cat1
Name2			Cat2			HD			M HD
ADS BDS			M ADS BDS			N IDS			IDS	18071S2026B
HIC

Coord arcsec 2000	181304.05-202421.2		Coord calc	181304.05-202421.2		Mag	13.5		PmRA	-9.00
PmDE	8.0		Calc delta mag	2.23

Ccdm	18131-2024		RComp			Comp	C		Note1
Note2			Discov num	J 1621		DRAs	-1.95		DDEs	-20.3
R dRAs	41		Year			Theta	290		Rho	15.0
Obs			Vmag	14.0		Sp			PmNote
PmRA			PmDE			Dm number			Cat1
Name2			Cat2			HD			M HD
ADS BDS			M ADS BDS			N IDS			IDS	18070S2022C
HIC

Coord arcsec 2000

181304.02-202425.3

Mag

18

Calc delta mag

6.73

Calc coord

yes