20157-1849 ABH 134 AE

20^h 15^m 42.64^s -18° 49' 00.7" P.A. 252.00 sep 84.5 mag 11.42,12.86 Sp F4V

Coord 2000	20157-1849	Discov num	ABH 134	Comp	AE	Coord arcsec 2000	20 15 42.64 -18 49 00.7
Date first	1987	Date last	2015	Obs	5
Pa first	252	Pa last	251.5	P.A. Now (θ)	251.5°
Sep first	84.9	Sep last	84.504	Sep. Now (ρ)	84.504"
Mag pri	11.42	Mag sec	12.86	delta mag (ΔM)	1.44	Spectral class	F4V (yellow-white)
Pri motion ra	+002	Sec motion ra	-003
Pri motion dec	-027	Sec motion dec	-004
Notes	U (Proper motion indicates non-physical)

rPM=0.869

This double is not physical.

20157-1849 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 15 43 -18 49 01	HJ 2940 AB	2015	6	101	35.3	11.42	12.80	1.38
Show			20 15 43 -18 49 01	HJ 2940 AC	2017	11	76	20.6	11.42	11.70	0.28
Show			20 15 43 -18 49 01	ABH 134 AD	2015	4	103	70.6	11.42	14.58	3.16
Show			20 15 43 -18 49 01	ABH 134 AE	2015	5	252	84.5	11.42	12.86	1.44		<===

Quintuple system
5 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Capricornus

Tycho2

6323-00307-1

Gaia DR2

6872552512374322432

WDS 20157-1849 ABH 134 AE : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
AbH1961	-	Abt, H.A.	1961A&AS....6...37A
AbH1961		A&AS 6, 37, 1961
AbH1962	Po j	Abt, H.A. Jeffers, H., Gibson, & Sandage, A.	1962ApJ...135..429A
AbH1962		ApJ 135, 429, 1962
AbH1964	-	AbT, H.A. et al.	1964ApJ...139.1139A
AbH1964		ApJ 139, 1139, 1964
AbH1965	-	Abt, H.A.	1965A&AS...11..429A
AbH1965		A&AS 11, 429, 1965
AbH1965b	-	Abt, H.A. et al.	1965ApJ...142.1604A
AbH1965b		ApJ 142, 1604, 1965
AbH1972	-	Abt. H.A. & Biggs, E.S.	1972bsrv.book.....A
AbH1972		Bibliography of Stellar Radial Velocities
AbH1972b	not -	Abt. H.A., Levy, S.G., & Gandet, T.L.	1972AJ.....77..138A
AbH1972b		AJ 77, 138, 1972
AbH1973	-	Abt, H.A. & Levy, S.G.	1973AJ.....78.1093A
AbH1973		AJ 78, 1093, 1973
AbH1976	orb -	Abt, H.A. & Levy, S.G.	1976A&AS...30..273A
AbH1976		A&AS 30, 273, 1976
AbH1978	-	Abt, H.A. & Levy, S.G.	1978A&AS...36..241A
AbH1978		A&AS 36, 241, 1978
AbH1985	-	Abt, H.A. & Levy, S.G.	1985ApJS...59..229A
AbH1985		ApJS 59, 229, 1985
AbH1986	-	Abt, H.A.	1986ApJ...304..688A
AbH1986		ApJ 304, 688, 1986
AbH2000	C u	Abt, H.A. & Corbally, C.J.	2000ApJ...541..841A
AbH2000		ApJ 541, 841, 2000
AbH2000		(Multi-epoch astrometry, photometry, and spectroscopy to determine
AbH2000		optical/physical nature of members of possible Trapezium systems)
AbH2006	orb -	Abt, H.A., & Willmarth, D.	2006ApJS..162..207A
AbH2006		ApJS 162, 207, 2006
HJ_1826	Mb -	Herschel, J.F.W.	1826MmRAS...2..459H
HJ_1826		MemRAS 2, 459, 1826
HJ_1829a	Mb -	Herschel, J.F.W.	1829MmRAS...3...47H
HJ_1829a		MemRAS 3, 47, 1829
HJ_1829b	Mb -	Herschel, J.F.W.	1829MmRAS...3..177H
HJ_1829b		MemRAS 3, 177, 1829
HJ_1831	Ma -	Herschel, J.F.W.	1831MmRAS...4..331H
HJ_1831	+Mb	MemRAS 4, part 2, 331, 1831
HJ_1833a	Ma -	Herschel, J.F.W.	1833MmRAS...5...13H
HJ_1833a	+Mb	MemRAS 5, 13, 1833
HJ_1833b	orb -	Herschel, J.F.W.	1833MmRAS...5..171H
HJ_1833b		MemRAS 5, 171, 1833
HJ_1833c	Mb -	Herschel, J.F.W.	1833MmRAS...6....1H
HJ_1833c		MemRAS 6, 1, 1833
HJ_1833d	orb -	Herschel, J.F.W.	1833MmRAS...6..149H
HJ_1833d		MemRAS 6, 149, 1833
HJ_1835	Ma -	Herschel, J.F.W.	1835MmRAS...8...37H
HJ_1835	+Mb	MemRAS 8, 37, 1835
HJ_1836	Mb -	Herschel, J.F.W.	1836MmRAS...9..193H
HJ_1836		MemRAS 9, 193, 1836
HJ_1847a	Ma j	Herschel, J.F.W.	.
HJ_1847a	+Mb	Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b	Ma j	Herschel, J.F.W.	.
HJ_1847b		Cape Results, London, 1847
HJ_1850	orb -	Herschel, J.F.W.	1850MmRAS..18...47H
HJ_1850		MemRAS 18, 47, 1850
HJ_1870	Mb -	Herschel, J.F.W.	1870MmRAS..38....1H
HJ_1870		MemRAS 38, 1, 1870
HJ_1874A	-	Herschel, J.F.W.	1874MNRAS..35...28B
HJ_1874A		cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A	Ma -	Herschel, J.F.W.	1875AN.....85..323D
HJ_1875A	+Mb	cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A	Ma -	Herschel, J.F.W.	1880Obs.....3..508G
HJ_1880A	+Mb	cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B	Mb -	Herschel, J.F.W.	1880MNRAS..40..497B
HJ_1880B		cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A	Ma j	Herschel, J.F.W.	1897MNRAS..57..541S
HJ_1897A		cited by See (MNRAS 57, 541, 1897)
HJ_1905A	Ma -	Herschel, J.F.W.	1905LicOB...3..147A
HJ_1905A	+Mb	cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A	Ma -	Herschel, J.F.W.	1906MmRAS..56....1L
HJ_1906A	+Mb	cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B	Ma -	Herschel, J.F.W.	1906QB821.B972.....
HJ_1906B	+Mb	cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A	Mb -	Herschel, J.F.W.	1927sdsc.book......
HJ_1927A		cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A	Mb -	Herschel, J.F.W.	1932QB821.A43......
HJ_1932A		cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999	M j	Herschel, J.F.W.	...................
HJ_9999	+Ma	Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20157-1849	ABH 134	AE	1998	2	251	84.5	11.42	12.82	F4V	D	201542.64-184900.7
20157-1849	ABH 134	AE	1999	3	251	84.5	11.42	12.82	F4V	UD	201542.64-184900.7
20157-1849	ABH 134	AE	2015	5	252	84.5	11.42	12.86	F4V	U	201542.64-184900.7

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WDS 20157-1849 ABH 134 AE : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20157-1849 ABH 134 AE : MEASURES

No records found.

WDS 20157-1849 : VIRTUAL EYEPIECE

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WDS 20157-1849 : ALADIN DSS IMAGE @

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

Error -22130
Not valid ID.

Error -22130
Not valid ID.
Error -27220
Not valid ID.