20151+1450 BPM2077

Coord 2000	20151+1450		Discov num	BPM2077		Comp			Coord arcsec 2000	20 15 05.10 +14 49 38.0
Date first	1996		Date last	2015		Obs	9
Pa first	45		Pa last	45		P.A. Now (θ)	45°
Sep first	67.6		Sep last	67.3		Sep. Now (ρ)	67.3"
Mag pri	15.03		Mag sec	15.33		delta mag (ΔM)	0.3		Spectral class
Pri motion ra	+021		Sec motion ra	+017
Pri motion dec	-027		Sec motion dec	-037
Notes	N V (See Notes, Proper motion indicates physical)

Visually invisible, K-band or other infrared star rPM=0.265 (< 0.3, Physical double) This double is physical.

Precise pa

44.8

Precise sep

67.255

Constellation

Delphinus

Gaia DR2

83489756160

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20151+1450	BPM2077		1998	2	45	67.3	15.03	15.33		NV	201505.10+144938.0
20151+1450	BPM2077		2001	3	45	67.2	15.03	15.33		NV	201505.10+144938.0
20151+1450	BPM2077		2010	4	45	67.7	15.03	15.33		NV	201505.10+144938.0
20151+1450	BPM2077		2015	5	45	67.3	15.03	15.33		NV	201505.10+144938.0

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