21305-0356 CVR 905

 
 
21h 30m 29.77s -03 55' 46.1" P.A. 30 sep 16 mag 17.20,18.80 Sp M4+M5
 
 
Coord 2000
21305-0356
Discov num
CVR 905
Comp
Coord arcsec 2000
21 30 29.77 -03 55 46.1
Date first
1998
Date last
2010
Obs
4
Pa first
30
Pa last
30
P.A. Now (θ)
30°
Sep first
16.1
Sep last
16.0
Sep. Now (ρ)
16"
Mag pri
17.20
Mag sec
18.80
delta mag (ΔM)
1.6
Spectral class
M4+M5 (red/red)
Pri motion ra
+024
Sec motion ra
+029
Pri motion dec
-034
Sec motion dec
-039
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.145 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
29.9
Precise sep
16.03
Cdsa2 id
CVR 905
Constellation
Aquarius
Ra deg
21.508269444444444
De deg
-3.929472222222222
last precise pa
29.9
last precise sep
16.03
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21305-0356 CVR 905 2009 1 30 16.1 17.20 18.80 M4+M5 V R 213030.31-035532.2
21305-0356 CVR 905 2010 4 30 16.0 17.20 18.80 M4+M5 V R 213029.77-035546.1

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