21259+5214 CVR 244

 
 
21h 25m 55.13s +52 13' 52.0" P.A. 112 sep 54.4 mag 20.40,20.90 Sp M3+M4
 
 
Coord 2000
21259+5214
Discov num
CVR 244
Comp
Coord arcsec 2000
21 25 55.13 +52 13 52.0
Date first
2006
Date last
2015
Obs
3
Pa first
112
Pa last
112
P.A. Now (θ)
112°
Sep first
54.5
Sep last
54.4
Sep. Now (ρ)
54.4"
Mag pri
20.40
Mag sec
20.90
delta mag (ΔM)
0.5
Spectral class
M3+M4 (red/red)
Pri motion ra
-028
Sec motion ra
-024
Pri motion dec
+068
Sec motion dec
+068
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.054 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
111.9
Precise sep
54.447
Constellation
Cygnus
Tycho2
3602-01036-1
Gaia DR2
37156804864
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21259+5214 CVR 244 2006 1 112 54.5 20.40 20.90 M3+M4 V R 212555.13+521352.0
21259+5214 CVR 244 2010 2 114 54.3 20.40 20.90 M3+M4 V R 212555.13+521352.0
21259+5214 CVR 244 2015 3 112 54.4 20.40 20.90 M3+M4 V R 212555.13+521352.0

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