20156+1527 BKO 546

Coord 2000	20156+1527		Discov num	BKO 546		Comp			Coord arcsec 2000	20 15 37.89 +15 26 56.4
Date first	1998		Date last	2015		Obs	9
Pa first	108		Pa last	106		P.A. Now (θ)	106°
Sep first	6.9		Sep last	7.087		Sep. Now (ρ)	7.087"
Mag pri	13.00		Mag sec	13.50		delta mag (ΔM)	0.5		Spectral class
Pri motion ra	-025		Sec motion ra
Pri motion dec	+026		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

Constellation

Delphinus

Gaia DR2

1808316574631176832

discov_num	notes	refcode
BKO 546	Anon. 59.	Bko2009d

refcode	metd	author	reference
Bko2009d	C u	Berko, E.	2009JDSO....5..189B
Bko2009d		JDSO 5, 189, 2009

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20156+1527	BKO 546		2008	1	107	7.1	13.00	13.50		N	201537.89+152656.4
20156+1527	BKO 546		2010	4	106	6.1	13.00	13.50		N	201537.89+152656.4
20156+1527	BKO 546		2015	5	106	7.1	13.00	13.50		N	201537.89+152656.4

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS