20153+1145 BPM2078

Coord 2000	20153+1145		Discov num	BPM2078		Comp			Coord arcsec 2000	20 15 16.88 +11 44 34.7
Date first	1992		Date last	2015		Obs	9
Pa first	108		Pa last	109		P.A. Now (θ)	109°
Sep first	18.6		Sep last	18.7		Sep. Now (ρ)	18.7"
Mag pri	15.40		Mag sec	15.71		delta mag (ΔM)	0.31		Spectral class
Pri motion ra	-005		Sec motion ra	-016
Pri motion dec	-008		Sec motion dec	-012
Notes	N U (See Notes, Proper motion indicates non-physical)

Visually invisible, K-band or other infrared star rPM=0.585 This double is not physical.

Precise pa

108.8

Precise sep

18.722

Constellation

Delphinus

Gaia DR2

39117443072

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20153+1145	BPM2078		2000	2	109	18.6	15.40	15.71		NV	201516.88+114434.7
20153+1145	BPM2078		2001	3	109	18.6	15.40	15.71		NV	201516.88+114434.7
20153+1145	BPM2078		2010	4	109	18.9	15.40	15.71		NV	201516.88+114434.7
20153+1145	BPM2078		2015	5	109	18.6	15.40	15.71		NU	201516.88+114434.7

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