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
Cdsa2 id
CVR 908
Constellation
Pegasus
Ra deg
21.56505277777778
De deg
16.696305555555554
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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