20278+0311 HJ  917

Coord 2000	20278+0311		Discov num	HJ  917		Comp			Coord arcsec 2000	20 27 50.92 +03 10 38.5
Date first	1909		Date last	2015		Obs	9
Pa first	36		Pa last	37		P.A. Now (θ)	37°
Sep first	13.1		Sep last	12.8		Sep. Now (ρ)	12.8"
Mag pri	11.92		Mag sec	12.67		delta mag (ΔM)	0.75		Spectral class
Pri motion ra	-001		Sec motion ra	+014
Pri motion dec	-009		Sec motion dec	-016
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.779 Nature of this double is uncertain.

Precise pa	36.6		Precise sep	12.796		Constellation	Delphinus		Tycho2	0501-02411-1
Gaia DR2	68273471488

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20278+0311	HJ 917		2000	5	37	12.8	11.92	12.30		N D	202750.92+031038.5
20278+0311	HJ 917		2010	6	37	12.7	11.92	12.67		N	202750.92+031038.5
20278+0311	HJ 917		2015	7	37	12.8	11.92	12.67		N	202750.92+031038.5

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