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19394-0118
J 120

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

19394-0118 J 120

19^h 39^m 21.83^s -01° 17' 34.6" P.A. 94.00 sep 2.0 mag 9.60,10.32 Sp A2

Coord 2000	19394-0118		Discov num	J 120		Comp			Coord arcsec 2000	19 39 21.83 -01 17 34.6
Date first	1910		Date last	2018		Obs	17
Pa first	90		Pa last	94		P.A. Now (θ)	94°
Sep first	2.0		Sep last	2.0		Sep. Now (ρ)	2"
Mag pri	9.60		Mag sec	10.32		delta mag (ΔM)	0.72		Spectral class	A2 (white)
Pri motion ra	-002		Sec motion ra	-002
Pri motion dec	-011		Sec motion dec	-011
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	94		Precise sep	1.95		Constellation	Aquila		Tycho2	5145-02130-1
Gaia DR2	4238222085009061888		HD	185483

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19394-0118	J 120		2002	15	94	1.7	9.60	10.32	A2		193921.83-011734.6
19394-0118	J 120		2015	16	94	1.9	9.60	10.32	A2		193921.83-011734.6
19394-0118	J 120		2018	17	94	2.0	9.60	10.32	A2		193921.83-011734.6

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