21211+5337 CVR 240

 
 
21h 21m 05.47s +53 37' 21.4" P.A. 20 sep 66.5 mag 17.30,19.30 Sp M2+M3
 
 
Coord 2000
21211+5337
Discov num
CVR 240
Comp
Coord arcsec 2000
21 21 05.47 +53 37 21.4
Date first
1998
Date last
2010
Obs
3
Pa first
21
Pa last
20
P.A. Now (θ)
20°
Sep first
64.3
Sep last
66.5
Sep. Now (ρ)
66.5"
Mag pri
17.30
Mag sec
19.30
delta mag (ΔM)
2
Spectral class
M2+M3 (red/red)
Pri motion ra
+003
Sec motion ra
+007
Pri motion dec
-070
Sec motion dec
-074
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.076 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
20.4
Precise sep
66.54
Cdsa2 id
CVR 240
Constellation
Cygnus
Ra deg
21.351519444444445
De deg
53.62261111111111
last precise pa
20.4
last precise sep
66.54
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21211+5337 CVR 240 2006 1 21 64.4 17.30 19.30 M2+M3 V R 212105.47+533721.4
21211+5337 CVR 240 2010 3 21 66.5 17.30 19.30 M2+M3 V R 212105.47+533721.4

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