20162+1507 CHE 258

Coord 2000	20162+1507		Discov num	CHE 258		Comp			Coord arcsec 2000	20 16 15.35 +15 07 41.6
Date first	1904		Date last	2015		Obs	13
Pa first	235		Pa last	230		P.A. Now (θ)	230°
Sep first	18.3		Sep last	16.0		Sep. Now (ρ)	16"
Mag pri	11.95		Mag sec	12.52		delta mag (ΔM)	0.57		Spectral class
Pri motion ra	-003		Sec motion ra	+020
Pri motion dec	-004		Sec motion dec	-001
Notes

rPM=1.158 This double is not physical.

Precise pa	229.5		Precise sep	15.965		Constellation	Delphinus		Tycho2	1631-02429-1
Gaia DR2	66642377600

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20162+1507	CHE 258		1998	4	230	16.4	11.95	12.52		D	201615.35+150741.6
20162+1507	CHE 258		2008	5	230	16.2	11.95	12.52		D	201615.35+150741.6
20162+1507	CHE 258		2010	8	230	16.1	11.95	12.52			201615.35+150741.6
20162+1507	CHE 258		2015	9	229	16.0	11.95	12.52			201615.35+150741.6

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