20342+1333 HEI 277

Coord 2000	20342+1333		Discov num	HEI 277		Comp			Coord arcsec 2000	20 34 06.46 +13 33 18.6
Date first	1982		Date last	2011		Obs	5
Pa first	249		Pa last	246		P.A. Now (θ)	246°
Sep first	0.4		Sep last	0.7		Sep. Now (ρ)	0.7"
Mag pri	10.78		Mag sec	11.07		delta mag (ΔM)	0.29		Spectral class
Pri motion ra	+017		Sec motion ra	+017
Pri motion dec	+011		Sec motion dec	+011
Notes

Nature of this double is uncertain.

Precise pa	246.3		Precise sep	0.67		Constellation	Delphinus		Tycho2	1100-01627-1
Gaia DR2	37071389184

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20342+1333	HEI 277		1995	3	260	0.4	10.78	11.07			203406.46+133318.6
20342+1333	HEI 277		2010	4	245	0.7	10.78	11.07			203406.46+133318.6
20342+1333	HEI 277		2011	5	246	0.7	10.78	11.07			203406.46+133318.6

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