19402+2331 A   166

Coord 2000	19402+2331		Discov num	A   166		Comp			Coord arcsec 2000	19 40 10.51 +23 30 43.1
Date first	1900		Date last	2016		Obs	33
Pa first	236		Pa last	241		P.A. Now (θ)	241°
Sep first	0.7		Sep last	0.9		Sep. Now (ρ)	0.9"
Mag pri	9.24		Mag sec	9.54		delta mag (ΔM)	0.3		Spectral class	F2 (yellow-white)
Pri motion ra	-005		Sec motion ra	-005
Pri motion dec	-014		Sec motion dec	-014
Notes

Nature of this double is uncertain.

Precise pa	241		Precise sep	0.932		Constellation	Vulpecula		SAO	87534
Tycho2	2138-01596-1		Gaia DR2	31898308864		HD	185820

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19402+2331	A 166		2005	26	243	0.8	9.24	9.54	F2		194010.51+233043.1
19402+2331	A 166		2006	28	242	0.8	9.24	9.54	F2		194010.51+233043.1
19402+2331	A 166		2007	29	242	0.8	9.24	9.54	F2		194010.51+233043.1
19402+2331	A 166		2010	31	243	0.9	9.24	9.54	F2		194010.51+233043.1
19402+2331	A 166		2013	32	249	0.9	9.24	9.54	F2		194010.51+233043.1
19402+2331	A 166		2016	33	241	0.9	9.24	9.54	F2		194010.51+233043.1

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