21477+2330 CVR 921

 
 
21h 47m 40.66s +23 29' 26.5" P.A. 297 sep 24.4 mag 15.60,18.20 Sp M0+M3
 
 
Coord 2000
21477+2330
Discov num
CVR 921
Comp
Coord arcsec 2000
21 47 40.66 +23 29 26.5
Date first
1998
Date last
2010
Obs
3
Pa first
297
Pa last
297
P.A. Now (θ)
297°
Sep first
24.3
Sep last
24.4
Sep. Now (ρ)
24.4"
Mag pri
15.60
Mag sec
18.20
delta mag (ΔM)
2.6
Spectral class
M0+M3 (red/red)
Pri motion ra
+045
Sec motion ra
+042
Pri motion dec
+003
Sec motion dec
+007
Notes
V R (Proper motion indicates physical, Red magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pegasus
last precise pa
296.5
last precise sep
24.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21477+2330 CVR 921 2009 1 297 24.3 15.60 18.20 M0+M3 V R 214739.09+232937.5
21477+2330 CVR 921 2010 3 297 24.4 15.60 18.20 M0+M3 V R 214740.66+232926.5

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