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19513+0938
HDS2829

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

19513+0938 HDS2829

19^h 51^m 17.73^s +09° 37' 47.8" P.A. 140.00 sep 0.3 mag 6.34,9.55 Sp A1m dist. 89.61 pc (292.31 l.y.)

Coord 2000	19513+0938		Discov num	HDS2829		Comp			Coord arcsec 2000	19 51 17.73 +09 37 47.8
Date first	1991		Date last	2019		Obs	7
Pa first	55		Pa last	140		P.A. Now (θ)	140°
Sep first	0.4		Sep last	0.3		Sep. Now (ρ)	0.3"
Mag pri	6.34		Mag sec	9.55		delta mag (ΔM)	3.21		Spectral class	A1m (white)
Pri motion ra	+007		Sec motion ra
Pri motion dec	-022		Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	139.5		Precise sep	0.268		Constellation	Aquila		SAO	125139
HIP	97697		Tycho2	1062-02704-1		Gaia DR2	4301691707274199424		HD	187753
HR	7562		BD	BD+09 4288		Distance	89.61		Distance ly	292.31

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19513+0938	HDS2829		2003	4	83	0.4	6.34	9.55	A1m	D	195117.73+093747.8
19513+0938	HDS2829		2007	5	95	0.3	6.34	9.55	A1m	D	195117.73+093747.8
19513+0938	HDS2829		2018	6	135	0.3	6.34	9.55	A1m		195117.73+093747.8
19513+0938	HDS2829		2019	7	140	0.3	6.34	9.55	A1m		195117.73+093747.8

If you need more information about this double, apply for a data request form to the WDS.