20199+3725 COU2287

 
 
20h 19m 56.47s +37 24' 36.8" P.A. 308 sep 0.2 mag 9.10,9.30 Sp A3V
 
 
Coord 2000
20199+3725
Discov num
COU2287
Comp
Coord arcsec 2000
20 19 56.47 +37 24 36.8
Date first
1985
Date last
2011
Obs
5
Pa first
292
Pa last
308
P.A. Now (θ)
308°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
9.10
Mag sec
9.30
delta mag (ΔM)
0.2
Spectral class
A3V (white)
Pri motion ra
+011
Sec motion ra
Pri motion dec
-024
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
308
Precise sep
0.19
Constellation
Cygnus
SAO
69848
Tycho2
2684-01291-1
Gaia DR2
83980777344
HD
193635
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20199+3725 COU2287 1991 3 292 0.2 9.10 9.30 A3V 201956.47+372436.8
20199+3725 COU2287 2007 4 307 0.2 9.10 9.30 A3V 201956.47+372436.8
20199+3725 COU2287 2011 5 308 0.2 9.10 9.30 A3V 201956.47+372436.8

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