20228+1156 BPM2135

Coord 2000	20228+1156		Discov num	BPM2135		Comp			Coord arcsec 2000	20 22 45.02 +11 55 55.2
Date first	1989		Date last	2015		Obs	5
Pa first	217		Pa last	218		P.A. Now (θ)	218°
Sep first	90.0		Sep last	90.0		Sep. Now (ρ)	90"
Mag pri	15.94		Mag sec	16.03		delta mag (ΔM)	0.09		Spectral class
Pri motion ra	-005		Sec motion ra	+000
Pri motion dec	-018		Sec motion dec	-010
Notes	N V (See Notes, Proper motion indicates physical)

Visually invisible, K-band or other infrared star rPM=0.505 This double is physical.

Precise pa

217.6

Precise sep

89.983

Constellation

Delphinus

Gaia DR2

54203171328

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20228+1156	BPM2135		2000	2	218	90.1	15.94	16.03		NV	202245.02+115555.2
20228+1156	BPM2135		2001	3	218	90.0	15.94	16.03		NV	202245.02+115555.2
20228+1156	BPM2135		2010	4	218	90.1	15.94	16.03		NV	202245.02+115555.2
20228+1156	BPM2135		2015	5	218	90.0	15.94	16.03		NV	202245.02+115555.2

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