18150-1912 LEO 15 AB

Coord 2000	18150-1912		Discov num	LEO  15		Comp	AB		Coord arcsec 2000	18 15 01.11 -19 12 27.6
Date first	1917		Date last	2015		Obs	6
Pa first	116		Pa last	112.3		P.A. Now (θ)	112.3°
Sep first	3.8		Sep last	3.969		Sep. Now (ρ)	3.969"
Mag pri	9.18		Mag sec	12.70		delta mag (ΔM)	3.52		Spectral class	B5III/V (blue-white)
Pri motion ra	-006		Sec motion ra	+120
Pri motion dec	+000		Sec motion dec	-063
Notes

rPM=1.039 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			18 15 01 -19 12 28	OCC 9178 Aa,Ab	2013	0	-1	0.1	9.40	10.70	1.30
Show			18 15 01 -19 12 28	LEO 15 AB	2015	6	112	4.0	9.18	12.70	3.52		<===
Show	HD 167247		18 15 01 -19 12 28	LEO 15 AC	2015	5	300	8.1	9.18	12.20	3.02

Quadruple system
3 estimated visually detectable stars in this system

Constellation

Sagittarius

Tycho2

6272-00394-1

Gaia DR2

4094733313644411392

HD

167247

No records found.

refcode	metd	author	reference
Leo1918	Ma -	Leonard, F.C.	1918MNRAS..78..475L
Leo1918		MNRAS 78, 475, 1918
Leo1933	Ma -	Leonard, F.C.	1933LicOB..16...90L
Leo1933		Lick Obs. Bull. 16, 90, 1933
Leo1943	Ma -	Leonard, F.C.	1943PASP...55..241L
Leo1943		PASP 55, 241, 1943
OCC1971	O j	Taylor, G.E., O'Leary, B., van Fladern, T.C. Bartholdi, P., Owen, F.,	1971Natur.234..405T
OCC1971		Hubbard, W.B., Smith, B.A., Smith, S.A., Fallon, F.W. Devinney, E.J. & Oliver, J.
OCC1971		Nature 234, 405, 1971 (also summarized in OCC2010)
OCC1972	O j	Hubbard, W.B. & van Flandern, T.C.	1972AJ.....77...65H
OCC1972		AJ 77, 65, 1972
OCC1976	O j	Taylor, G.E., Walker, E.N., Quintanilla, A.R. & Lopez de Coca, M.P.	1976A&A....50..121T
OCC1976		A&A 50, 121, 1976 (also summarized in OCC2010)
OCC1990	O j	Dunham, D.W., Dunham, J.B., Binzel, R.P., Evans, D.S., Freuh, M., Henry, G.W.,	1990AJ.....99.1636D
OCC1990		A'Hearn, M.A., Schnurr, R., Betts, R., Haynes, H., Orcutt, R., Bowell, E., et al.
OCC1990		AJ 99, 1636, 1990 (also summarized in OCC2010)
OCC1993	O j	Sato, I., Soma, M. & Hirose, T.	1993AJ....105.1553S
OCC1993		AJ 105, 1553, 1993 (also summarized in OCC2010)
OCC2001	O -	Vasundhara, R., Jayakumar, K., Velu, C., Appakutty, M., Paranjpye, A.,	2001BASI...29..577V
OCC2001		Kulkarni, H., Nitsure, P., Prabhunne, M. & Shah, K.
OCC2001		Bull. Astr. Soc. India 29, 577, 2001 (also summarized in OCC2010)
OCC2002	O -	Occult. Doubles Cat., D. Dunham, ed.	.
OCC2002		http://www.lunar-occultations.com/iota/iotandx.htm
OCC2008	O j	Ling, A.	2008JRASC.102...15L
OCC2008		JRASC 102, 15, 2008
OCC2009	O u	Herald, D. and Sandy, R.	2009JDSO....5..208H
OCC2009		JDSO 5, 208, 2009
OCC2009b	O j	Lin, C.-L., Zhang, Z.-W., Chen, W.P., King, S.-K., Lin, H.-C., Bianco, F.B.,	2009PASP..121..359L
OCC2009b		Lehner, M.J., Coehlo, N., Wang, J.-H., Mondal, S., Alcock, C., Axelrod, T., et al.
OCC2009b		PASP 121, 359, 2009 (also summarized in OCC2010)
OCC2010	O u	Herald, D., Boyle, R., Dunham, D., Hirose, T., Maley, P., Timerson, B., Farris,	2010JDSO....6...88H
OCC2010		T., Frappa, E., Lecacheux, J., Hayamizu, T., Kozubal, M., Nolthenius, R., et al.
OCC2010		JDSO 6, 88, 2010
OCC2010b	O u	Herald, D., Loader, B. & Parker, S.	2010JDSO....6..150H
OCC2010b		JDSO 6, 150, 2010
OCC2010c	O -	Herald, D., Kashiwagura, M., Loader, B., Messner, S., Sandy, R. & Togashi, H.	2010JDSO....6..152H
OCC2010c		JDSO 6, 152, 2010
OCC2010d	O u	Loader, B., Asada, Y., Breit, D., Bradshaw, J., Gault, D., Herald, D., Iverson,	2010JDSO....6..176L
OCC2010d		E., Ishida, M., Karasaki, H., Kashiwagura, M., Miyashita, K., Messner, S., et al.
OCC2010d		JDSO 6, 176, 2010
OCC2011	O u	George, T., Timerson, B., Coughlin, K. & Fleishman, R.	2011JDSO....7..129G
OCC2011		JDSO 7, 129, 2011
OCC2011b	O u	Loader, B. Bradshaw, J., Breit, D., Gault, D., George, T., Herald, D., Iverson,	2011JDSO....7..159L
OCC2011b		E., Ishida, M., Karasaki, H., Kashiwagura, M., Kenmotsu, K., Lowe, D., et al.
OCC2011b		JDSO 7, 159, 2011
OCC2011c	O u	George, T., Timerson, B., Cooke, B., Degenhardt, S., Dunham, D.W., Messner, S.,	2011JDSO....7..169G
OCC2011c		Suggs, R., Venable, R. & Warren, W.H.
OCC2011c		JDSO 7, 169, 2011
OCC2011d	O -	George, T., Timerson, B., Beard, T., Blank, T., Dantowitz, R., Davis, J.,	2011JDSO....7..175G
OCC2011d		di Cicco, D., Dunham, D.W., Hill, M., Sliski, A. & Sumner, R.
OCC2011d		JDSO 7, 175, 2011
OCC2011e	O j	Bulder, H., Loader, B., Herald, D., Messner, S., Ling, A., Raab, H.,	...................
OCC2011e		Culbertson, B., Black, S., Ishida, M., Ohno, T., & Miyashita, K.
OCC2011e		J. for Occultation Astron., #3, Jul-Sep 2011 (some data also in OCC2008)
OCC2012a	O j	George, T., Timerson, B., Degenhardt, S., Bracken, C., Cadmus, R., Carcich, A.,	2012JDSO....8..306G
OCC2012a		Centala, J., Modic, R., & Slauson, D.
OCC2012a		JDSO 8, 306, 2012
OCC2012b	O u	Loader, B., Asada, Y., Bradshaw, J., Breit, D., Fuertes, J., Gault, D., George,T.,	2012JDSO....8..313L
OCC2012b		Graham, P., Herald, D., Holenstein, B., Iverson, E., Ishida, M., et al.
OCC2012b		JDSO 8, 313, 2012
OCC2013a	O -	George, T., Timerson, B., Brooks, J., Conrad, S., Dunham, J.B., Dunham, D.W.,	2013JDSO....9...88G
OCC2013a		Jones,R., Lipka, T.R., Thomas, W., Warren, W.J., Jr., Wasson, R. & Wisniewski, J.
OCC2013a		JDSO 9, 88, 2013
OCC2013b	O j	Giacchini, B.L., Timerson, B., George, T., Degenhardt, S. & Herald, D.	2013JDSO....9..130G
OCC2013b		JDSO 9, 130, 2013
OCC2013c	O j	Casas, R., Juan, J., Naves, R., Perello, C., Rovira, J., Selva, A. & Schnabel, C.	2013JDSO....9..183C
OCC2013c		JDSO 9, 183, 2013
OCC2013d	O j	Herald, D., Talbot, J., Bradshaw, J., Broughton, J., Hanna, W. & Watson, D.	2013JDSO....9..226H
OCC2013d		JDSO 9, 226, 2013
OCC2013e	O -	Herald, D.	2013JDSO....9..274H
OCC2013e		JDSO 9, 274, 2013
OCC2014a	O -	Loader, B.	2014JDSO...10....2L
OCC2014a		JDSO 10, 2, 2014
OCC2014b	O -	Gault, D.	2014JDSO...10....4G
OCC2014b		JDSO 10, 4, 2014
OCC2014c	O -	Herald, D., Talbot, J., Chad, C., Broughton, J. & Anderson, P.	2014JDSO...10...29H
OCC2014c		JDSO 10, 29, 2014
OCC2014d	O j	Herald, D., Talbot, J. & Kerr, S.	2014JDSO...10..107H
OCC2014d		JDSO 10, 107, 2014
OCC2014e	O u	Loader, B., Bradshaw, J., Breit, D., Edens, E., Forbes, M., Gault, D., George, T.,	2014JDSO...10..150L
OCC2014e		Haymes, T., Herald, D., Holenstein, B., Ito, T., Iverson, E., et al.
OCC2014e		JDSO 10, 150, 2014
OCC2014f	O -	Soma, M., Hayamizu, T., Ishida, M., Owada, M., Ida, M., Aikawa, R., Hashimoto, A.,	2014JDSO...10..240S
OCC2014f		Horaguchi, T., Kitazaki, K., Uchiyama, S., Uehara, S., Yaeza, A., et al.
OCC2014f		JDSO 10, 240, 2014
OCC2016a	O j	Loader, B., Asai, A., Bardecker, J., Bradshaw, J., Breit, D., Buettner, D.,	2016JDSO...12..143L
OCC2016a		Chad, C., Denyer, P., Edens, E., Forbes, M., Gault, D., George, T., et al.
OCC2016a		JDSO 12, 143, 2016
OCC2016b	O -	Gault, D. & Herald, D.	2016JDSO...12..556G
OCC2016b		JDSO 12, 556, 2016
OCC2017a	O j	Loader, B., Anderson, P., Asai, A., Bradshaw, J., Breit, D., Forbes, M.,	2017JDSO...13..585L
OCC2017a		Gault, D., George, T., Haymes, T., Herald, D., Ishida, M., Kerr, S., et al.
OCC2017a		JDSO 13, 585, 2016
OCC2018a	O j	Timerson, B., George, T., Blank, T., Maley, P., Messner, S. & Moore, J.	2018JDSO...14..395T
OCC2018a		JDSO 14, 395, 2018	.
OCC2019a	O j	Timerson, B., George, T., Bean, J., Blank, T., Bardecker, J., Dunham, D., Dunham,	2019JDSO...15..162T
OCC2019a		J., Gimple, B., Maley, P., Anthony, S., Wiesenborn, C., Hunt, T., Sumner, R. &
OCC2019a		Thomas, W.
OCC2019a		JDSO 15, 162, 2019	.
OCC2019b	O j	Hirose, T., Ida, M., Yamamura, H., Uchiyama, S., Hashimoto, A., Aikawa, R.,	2019JDSO...15..268H
OCC2019b		Terakubo, K., Sato, M. & Shima, K.
OCC2019b		JDSO 15, 268, 2019	.
OCC2019c	O j	Loader, B., Asada, Y., Asai, A., Bardecker, J., Bourgeois, J., Bradshaw, J., Chad,	2019JDSO...15..503L
OCC2019c		C., Ellington, C., Gault, D., Giacchini, B., Haymes, T., Herald, D., Ishida, M.,
OCC2019c		Iverson, E., Kerr, S., Manek, J., McKay, G., Messner, S., Pratt, A., Sandy, R.,
OCC2019c		Watanabe, H., Yamamura, H. & Yoshida, H.
OCC2019c		JDSO 15, 503, 2019	.
OCC2019d	O j	Giacchini, B.L., George, T., Spagnotto, J. & Wilberger, A.J.	2019JDSO...15..554G
OCC2019d		JDSO 15, 554, 2019	.
OCC2020a	O -	Perello, C., Frappa, E., Janik, T., Kattentidt, B., Polak, J., Rottenborn, M. &	2020JDSO...16...87P
OCC2020a		Selva, A.
OCC2020a		JDSO 16, 87, 2020
OCC2020b	O	Herald, D.	2020JDSO...16..113H
OCC2020b		JDSO 16, 105, 2020
OCC2020c	O	Bardecker, J. & Messner, S.	2020JDSO...16..405B
OCC2020c		JDSO 16, 405, 2020
OCC2020d	O	Gault, D., Barry, T., Nosworthy, P., Hanna, W., Messner, S., Oesper, D., Dunford,	2020JDSO...16..440G
OCC2020d		R., Trank, R., Preston, S. & Herald, D.
OCC2020d		JDSO 16, 440, 2020
OCC2020e	O	Boutet, M. & Sanchez, J.	2020JDSO...16..483B
OCC2020e		JDSO 16, 483, 2020
OCC2021a	O	Hayamizu, T., Soma, M., Watanabe, Ha., Asai, A., Watanable, Hi. & Nohara, H.	2021JDSO...17..131H
OCC2021a		JDSO 17, 131, 2021
OCC2021b	O	Frappa, E., Zeleny, P., Baruffetti, P., Bendjeddou, A., Bigi, M., Bouazara, O.,	2021JDSO...17..230F
OCC2021b		Gacem, A., Khenifer, H.M., Mokhtari, L., Nosal, P., Rayane, H., Selimi, T.E.M.,
OCC2021b		Sposetti, S. & Aissa, D.B.
OCC2021b		JDSO 17, 230, 2021
OCC2022a	O	Hayamizu, T., Soma, M., Watanabe, Hi., Asai, A., Watanable, Ha., Akira, A.,	2022JDSO...18...61H
OCC2022a		Ida, M., Uchiyama, S., Nagata, T., Yamamura, H., Owada, M. & Yamashita, M.
OCC2022a		JDSO 18, 61, 2022
OCC2022b	O j	Andersson, S.	2022JDSO...18..207A
OCC2022b		JDSO 18, 207, 2022
OCC2022c	O j	Klos, O.	2022JDSO...18..210K
OCC2022c		JDSO 18, 210, 2022
OCC2023a	O j	Bardecker, J.	2023JDSO...19...59B
OCC2023a		JDSO 19, 59, 2023

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18150-1912	LEO 15	AB	1999	3	105	3.7	9.18	12.70	B5III/V	D	181501.11-191227.6
18150-1912	LEO 15	AB	2006	5	113	4.0	9.18	12.70	B5III/V		181501.11-191227.6
18150-1912	LEO 15	AB	2015	6	112	4.0	9.18	12.70	B5III/V		181501.11-191227.6

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No records found.


No records found.

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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
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Show name coord_2000 discov# comp pa sep dist(') Show 18150-1912 LEO 15 AB 112 4.0 Show 18150-1912 LEO 15 AC 300 8.1 Show 18150-1912 OCC9178 Aa,Ab -1 0.1 Show 18147-1922 OCC 466 -1 0.9 11 Show 18152-1924 TSN 117 219 3.5 12 Show 18150-1900 ARA 741 355 14.7 13 Show 18141-1912 CHR 234 Aa,Ab 60 0.2 13 Show 18141-1912 ARA 738 AB 61 15.4 13 Show 18143-1904 B 2859 AB 48 6.6 14 Show 18143-1904 SIN 108 AC 149 11.3 14 Show 18153-1900 BU 284 AB 358 18.1 14 Show 18153-1900 BU 284 AC 86 31.1 14 Show 18153-1900 BU 284 AD 192 57.8 14 Show 18153-1900 BU 284 AE 188 75.3 14 Show 18153-1900 BU 284 AF 267 138.7 14 Show 18153-1900 BU 284 AG 200 12.4 14 Show 18153-1900 BU 284 AH 67 21.0 14 Show 18153-1900 BU 284 AS 103 19.1 14 Show 18153-1900 ARA 743 CQ 298 13.1 14 Show 18153-1900 BU 284 BR 326 5.2 14 Show 18143-1902 ARA 740 53 9.2 15 Show 18150-1857 RST3167 153 4.5 16 Show 18140-1904 ARA 736 336 11.6 17 Show 18163-1913 B 2440 291 0.5 18 Show 18162-1921 B 2439 113 2.5 19 Show 18156-1929 RST5108 76 0.3 19 Show 18138-1904 ARA 735 93 9.6 20 Show 18158-1855 OCC 566 -1 0.1 21 Show 18137-1903 SKF 97 269 2.5 21 Show 18135-1903 ARA 734 211 10.8 24 Show 18140-1931 ARA 737 104 14.0 24 Show 18164-1858 B 1885 257 2.5 25 Show 18147-1939 J 1623 29 5.7 26 Show 18147-1847 TOB 272 AB 330 28.8 26 Show 18147-1847 TOB 272 BC 324 18.4 27 Show 18165-1856 ARA 466 140 7.3 27 Show 18130-1914 LDS 629 132 48.2 29 Show 18168-1858 OCC9179 -1 0.1 30 Show 18138-1847 HJ 594 AB 121 7.6 30 Show 18138-1847 HJ 594 AC 238 13.5 30 Show 18170-1858 MZA 23 AB 227 17.5 32 Show 18170-1858 SNA 85 Aa,Ab 265 0.0 32 Show 18170-1858 SNA 85 AC 88 5.1 32 Show 18170-1858 SNA 85 AD 247 5.8 32 Show 18170-1858 SNA 85 AE 58 7.3 32 Show 18150-1945 TOB 276 345 13.0 33 Show 18137-1845 FEN 28 256 3.6 34 Show 18174-1920 B 2863 310 5.7 35 Show 18126-1917 ARA 732 93 9.3 35 Show 18170-1933 B 2862 296 7.4 36 Show 18129-1933 BRT1519 55 5.2 36

	A	Ab	B
Ab	pa=0.0° sep=0.00"
B	pa=113.5° sep=3.78"	pa=113.5° sep=3.78"
C	pa=301.3° sep=7.76"	pa=301.3° sep=7.76"	pa=298.8° sep=11.52"

Coord arcsec 2000	181501.11-191227.6		Mag	9.18		Spectral class	B5III/V (blue-white)		PmRA	-6.00
PmDE	0.0		Tycho2	6272-00394-1		HD	167247

Tycho2	6272-00394-1		Pflag			RAmdeg	273.75468249		DEmdeg	-19.20767918
PmRA	-6.8		PmDE	1.4		E RAmdeg	11		E DEmdeg	13
E pmRA	1.5		E pmDE	1.5		EpRAm	1990.20		EpDEm	1989.31
Num	7		Q RAmdeg	1.5		Q DEmdeg	0.8		Q pmRA	1.5
Q pmDE	0.9		BTmag	9.356		E BTmag	0.022		VTmag	9.179
E VTmag	0.021		Prox	999		TYC	T		HIP
CCDM			RAdeg	273.75469806		DEdeg	-19.20768222		EpRA 1990	1.77
EpDE 1990	1.80		E RAdeg	10.8		E DEdeg	13.7		Posflg
Corr	-0.1

Ccdm	18150-1912		RComp			Comp	A		Note1
Note2			Discov num			DRAs	1.10		DDEs	-27.2
R dRAs	66		Year			Theta			Rho
Obs	3		Vmag	9.5		Sp	B9		PmNote
PmRA			PmDE			Dm number	-19 4924		Cat1	BD
Name2			Cat2			HD	167247		M HD
ADS BDS	A11187		M ADS BDS			N IDS			IDS	18091S1914A
HIC

Coord arcsec 2000

181501.11-191227.6

Mag

10.7

Calc delta mag

1.3

Calc coord

yes

Coord arcsec 2000	181501.35-191229.1		Mag	12.7		PmRA	120.00		PmDE	-63.0
Calc delta mag	3.3		Calc coord	yes

Ccdm	18150-1912		RComp			Comp	B		Note1
Note2			Discov num	LEO 15		DRAs			DDEs
R dRAs			Year	1917		Theta	116		Rho	3.8
Obs	1		Vmag	12.3		Sp			PmNote
PmRA			PmDE			Dm number			Cat1
Name2			Cat2			HD			M HD
ADS BDS	A11187		M ADS BDS			N IDS			IDS	18091S1914B
HIC

Coord arcsec 2000

181500.64-191223.6

Mag

12.2

Calc delta mag

2.8

Calc coord

yes

Ccdm	18150-1912		RComp			Comp	C		Note1
Note2			Discov num	LEO 15		DRAs			DDEs
R dRAs			Year	1917		Theta	301		Rho	8.1
Obs	1		Vmag	12.5		Sp			PmNote
PmRA			PmDE			Dm number			Cat1
Name2			Cat2			HD			M HD
ADS BDS	A11187		M ADS BDS			N IDS			IDS	18091S1914C
HIC