19542+1744 J   830

Coord 2000	19542+1744		Discov num	J   830		Comp			Coord arcsec 2000	19 54 13.02 +17 43 02.2
Date first	1896		Date last	2018		Obs	15
Pa first	193		Pa last	194		P.A. Now (θ)	194°
Sep first	2.8		Sep last	3.5		Sep. Now (ρ)	3.5"
Mag pri	10.10		Mag sec	10.50		delta mag (ΔM)	0.4		Spectral class	F8 (yellow-white)
Pri motion ra	+013		Sec motion ra
Pri motion dec	+033		Sec motion dec
Notes	W

Nature of this double is uncertain.

Precise pa

194.1

Precise sep

3.502

Constellation

Sagitta

Gaia DR2

56364973568

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19542+1744	J 830		2001	10	195	3.4	10.10	10.50	F8	D	195413.02+174302.2
19542+1744	J 830		2009	12	194	3.4	10.10	10.50	F8	D	195413.02+174302.2
19542+1744	J 830		2015	13	194	3.4	10.10	10.50	F8	W	195413.02+174302.2

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