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)
rPM=0.111 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
296.5
Precise sep
24.42
Cdsa2 id
CVR 921
Constellation
Pegasus
Ra deg
21.79462777777778
De deg
23.490694444444447
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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