20547+4211 CVR 233

 
 
20h 54m 39.36s +42 10' 39.0" P.A. 233 sep 61.4 mag 20.10,20.80 Sp M4+M5
 
 
Coord 2000
20547+4211
Discov num
CVR 233
Comp
Coord arcsec 2000
20 54 39.36 +42 10 39.0
Date first
2003
Date last
2010
Obs
2
Pa first
235
Pa last
233
P.A. Now (θ)
233°
Sep first
61.4
Sep last
61.4
Sep. Now (ρ)
61.4"
Mag pri
20.10
Mag sec
20.80
delta mag (ΔM)
0.7
Spectral class
M4+M5 (red/red)
Pri motion ra
-001
Sec motion ra
-002
Pri motion dec
-089
Sec motion dec
-091
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.025 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
233.4
Precise sep
61.37
Cdsa2 id
CVR 233
Constellation
Cygnus
Ra deg
20.910933333333332
De deg
42.177499999999995
last precise pa
233.4
last precise sep
61.37
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20547+4211 CVR 233 2003 1 235 61.4 20.10 20.80 M4+M5 V R 205439.36+421039.0
20547+4211 CVR 233 2010 2 236 61.4 20.10 20.80 M4+M5 V R 205439.36+421039.0

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