21339+1642 CVR 908

 
 
21h 33m 54.19s +16 41' 46.7" P.A. 341 sep 15.5 mag 16.30,19.10 Sp M3+M5
 
 
Coord 2000
21339+1642
Discov num
CVR 908
Comp
Coord arcsec 2000
21 33 54.19 +16 41 46.7
Date first
1998
Date last
2010
Obs
3
Pa first
340
Pa last
341
P.A. Now (θ)
341°
Sep first
15.6
Sep last
15.5
Sep. Now (ρ)
15.5"
Mag pri
16.30
Mag sec
19.10
delta mag (ΔM)
2.8
Spectral class
M3+M5 (red/red)
Pri motion ra
-020
Sec motion ra
-022
Pri motion dec
-050
Sec motion dec
-052
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.05 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
340.6
Precise sep
15.48
Constellation
Pegasus
last precise pa
340.6
last precise sep
15.48
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21339+1642 CVR 908 2006 1 340 15.5 16.30 19.10 M3+M5 V R 213353.83+164201.4
21339+1642 CVR 908 2010 3 341 15.4 16.30 19.10 M3+M5 V R 213354.19+164146.7

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