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19530+3704
AG 242

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

19530+3704 AG 242

19^h 52^m 58.60^s +37° 04' 08.1" P.A. 180.00 sep 2.1 mag 9.32,10.17 Sp F2

Coord 2000	19530+3704		Discov num	AG 242		Comp			Coord arcsec 2000	19 52 58.60 +37 04 08.1
Date first	1902		Date last	2018		Obs	14
Pa first	179		Pa last	180		P.A. Now (θ)	180°
Sep first	1.9		Sep last	2.1		Sep. Now (ρ)	2.1"
Mag pri	9.32		Mag sec	10.17		delta mag (ΔM)	0.85		Spectral class	F2 (yellow-white)
Pri motion ra	+017		Sec motion ra	+017
Pri motion dec	+022		Sec motion dec	+022
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	180.3		Precise sep	2.061		Constellation	Cygnus		SAO	69022
Tycho2	2681-00899-1		Gaia DR2	2071885940092323200		HD	226338

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19530+3704	AG 242		2001	9	180	1.9	9.32	10.17	F2		195258.60+370408.1
19530+3704	AG 242		2013	11	179	2.0	9.32	10.17	F2		195258.60+370408.1
19530+3704	AG 242		2015	12	179	2.0	9.32	10.17	F2		195258.60+370408.1
19530+3704	AG 242		2018	13	180	2.1	9.32	10.17	F2		195258.60+370408.1

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