21074-1057 CVR 887

 
 
21h 07m 23.17s -10 57' 00.9" P.A. 308 sep 10.9 mag 19.20,19.70 Sp M4+M4
 
 
Coord 2000
21074-1057
Discov num
CVR 887
Comp
Coord arcsec 2000
21 07 23.17 -10 57 00.9
Date first
1998
Date last
2010
Obs
3
Pa first
310
Pa last
308
P.A. Now (θ)
308°
Sep first
11.4
Sep last
10.9
Sep. Now (ρ)
10.9"
Mag pri
19.20
Mag sec
19.70
delta mag (ΔM)
0.5
Spectral class
M4+M4 (red/red)
Pri motion ra
+049
Sec motion ra
+054
Pri motion dec
+013
Sec motion dec
+005
Notes
V R (Proper motion indicates physical, Red magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Aquarius
last precise pa
308
last precise sep
10.9
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21074-1057 CVR 887 2004 1 309 11.1 19.20 19.70 M4+M4 V R 210722.59-105653.8
21074-1057 CVR 887 2010 3 308 11.1 19.20 19.70 M4+M4 V R 210723.17-105700.9

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