19542+3137 TDT1837

Coord 2000	19542+3137		Discov num	TDT1837		Comp			Coord arcsec 2000	19 54 09.50 +31 36 32.7
Date first	1991		Date last	1991		Obs	1
Pa first	142		Pa last	142		P.A. Now (θ)	142°
Sep first	0.5		Sep last	0.5		Sep. Now (ρ)	0.5"
Mag pri	11.37		Mag sec	11.51		delta mag (ΔM)	0.14		Spectral class
Pri motion ra	-003		Sec motion ra	-003
Pri motion dec	-010		Sec motion dec	-010
Notes

Nature of this double is uncertain.

Precise pa	142		Precise sep	0.52		Constellation	Cygnus		Tycho2	2669-00014-1
Gaia DR2	22502014592		HD	331534

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19542+3137	TDT1837		1991	1	142	0.5	11.37	11.51			195409.50+313632.7

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