21425+0342 CVR 916

 
 
21h 42m 28.56s +03 41' 57.2" P.A. 240 sep 9.4 mag 17.70,19.40 Sp M3+M4
 
 
Coord 2000
21425+0342
Discov num
CVR 916
Comp
Coord arcsec 2000
21 42 28.56 +03 41 57.2
Date first
2000
Date last
2010
Obs
3
Pa first
238
Pa last
240
P.A. Now (θ)
240°
Sep first
9.7
Sep last
9.4
Sep. Now (ρ)
9.4"
Mag pri
17.70
Mag sec
19.40
delta mag (ΔM)
1.7
Spectral class
M3+M4 (red/red)
Pri motion ra
+029
Sec motion ra
+029
Pri motion dec
-029
Sec motion dec
-033
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.091 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
239.9
Precise sep
9.43
Constellation
Pegasus
last precise pa
239.9
last precise sep
9.43
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21425+0342 CVR 916 2008 1 238 9.7 17.70 19.40 M3+M4 V R 214228.01+034152.0
21425+0342 CVR 916 2010 3 240 9.4 17.70 19.40 M3+M4 V R 214228.56+034157.2

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