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
Constellation
Cygnus
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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