20257+1510 BPM 2153

Coord 2000	20257+1510		Discov num	BPM2153		Comp			Coord arcsec 2000	20 25 41.55 +15 09 41.6
Date first	1995		Date last	2015		Obs	9
Pa first	113		Pa last	112.8		P.A. Now (θ)	112.8°
Sep first	95.6		Sep last	95.596		Sep. Now (ρ)	95.596"
Mag pri	13.43		Mag sec	15.33		delta mag (ΔM)	1.9		Spectral class
Pri motion ra	-009		Sec motion ra	-003
Pri motion dec	-003		Sec motion dec	-006
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.707 This double is physical.

Constellation

Delphinus

Gaia DR2

1805466919665458944

discov_num	notes	refcode
BPM2153	[PM2000] 2295705 + [PM2000] 2296242.	Gvr2010

refcode	metd	author	reference
Gvr2010	Pa -	Gavras, P. Sinachopoulos, D., Le Campion, J.F., & Cucourant, C.	2010A&A...521A 4G
Gvr2010	+T	A&A 521, A4, 2010
Gvr2010		(Note: mean measures from AC2000.2, CdC2000, USNO-A2.0, Yellow Sky, and M2000
Gvr2010		catalogs, spanning years ~1900-2000)

idgroup	discov	author
1	BPM	Bordeaux PM2000 catalogue (main catalog: separation < 2')

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20257+1510	BPM2153		1999	2	113	95.5	13.43	15.33		NV	202541.55+150941.6
20257+1510	BPM2153		2001	3	113	95.6	13.43	15.33		NV	202541.55+150941.6
20257+1510	BPM2153		2010	4	113	95.8	13.43	15.33		NV	202541.55+150941.6
20257+1510	BPM2153		2015	5	113	95.5	13.43	15.33		NV	202541.55+150941.6

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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