21242+0422 CVR 898

 
 
21h 24m 12.35s +04 21' 57.6" P.A. 250 sep 13.6 mag 18.80,19.20 Sp M4+M4
 
 
Coord 2000
21242+0422
Discov num
CVR 898
Comp
Coord arcsec 2000
21 24 12.35 +04 21 57.6
Date first
2000
Date last
2010
Obs
3
Pa first
250
Pa last
250
P.A. Now (θ)
250°
Sep first
13.5
Sep last
13.6
Sep. Now (ρ)
13.6"
Mag pri
18.80
Mag sec
19.20
delta mag (ΔM)
0.4
Spectral class
M4+M4 (red/red)
Pri motion ra
-027
Sec motion ra
-030
Pri motion dec
-035
Sec motion dec
-037
Notes
V R (Proper motion indicates physical, Red magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Equuleus
last precise pa
249.9
last precise sep
13.57
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21242+0422 CVR 898 2008 1 250 13.6 18.80 19.20 M4+M4 V R 212411.50+042153.0
21242+0422 CVR 898 2010 3 250 13.5 18.80 19.20 M4+M4 V R 212412.35+042157.6

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