20214+3900 GRV 334

 
 
20h 21m 29.40s +39 00' 48.1" P.A. 275 sep 31 mag 11.86,12.14
 
 
Coord 2000
20214+3900
Discov num
GRV 334
Comp
Coord arcsec 2000
20 21 29.40 +39 00 48.1
Date first
1895
Date last
2010
Obs
5
Pa first
276
Pa last
275
P.A. Now (θ)
275°
Sep first
30.8
Sep last
31.0
Sep. Now (ρ)
31"
Mag pri
11.86
Mag sec
12.14
delta mag (ΔM)
0.28
Spectral class
Pri motion ra
-022
Sec motion ra
-023
Pri motion dec
+015
Sec motion dec
+016
Notes
rPM=0.05 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
275
Precise sep
30.98
Constellation
Cygnus
last precise pa
275
last precise sep
30.98
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20214+3900 GRV 334 2000 4 275 31.0 11.60 11.90 D 202129.40+390048.1
20214+3900 GRV 334 2002 5 275 31.0 11.60 11.90 D 202129.40+390048.1
20214+3900 GRV 334 2010 5 275 31.0 11.86 12.14 202129.40+390048.1

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