20095+5140 STF2645

Coord 2000	20095+5140		Discov num	STF2645		Comp			Coord arcsec 2000	20 09 28.56 +51 40 27.4
Date first	1830		Date last	2018		Obs	38
Pa first	129		Pa last	139		P.A. Now (θ)	139°
Sep first	1.2		Sep last	1.6		Sep. Now (ρ)	1.6"
Mag pri	8.55		Mag sec	8.98		delta mag (ΔM)	0.43		Spectral class	A0V (white)
Pri motion ra	+000		Sec motion ra	+000
Pri motion dec	+001		Sec motion dec	+001
Notes

Nature of this double is uncertain.

Precise pa	138.6		Precise sep	1.648		Constellation	Cygnus		SAO	32319
HIP	99307		Tycho2	3571-00729-1		Gaia DR2	99148580352		HD	191807
BD	BD+51 2781		Distance	507.61		Distance ly	1655.82

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20095+5140	STF2645		2005	34	138	1.6	8.55	8.98	A0V	D	200928.56+514027.4
20095+5140	STF2645		2006	35	139	1.6	8.55	8.98	A0V	D	200928.56+514027.4
20095+5140	STF2645		2008	36	138	1.6	8.55	8.98	A0V	D	200928.56+514027.4
20095+5140	STF2645		2011	37	136	1.5	8.55	8.98	A0V		200928.56+514027.4
20095+5140	STF2645		2016	37	139	1.6	8.55	8.98	A0V		200928.56+514027.4
20095+5140	STF2645		2018	38	139	1.6	8.55	8.98	A0V		200928.56+514027.4

If you need more information about this double, apply for a data request form to the WDS.