03312+4204 BVD 189

 
 
03h 31m 09.56s +42 03' 49.7" P.A. 165 sep 23.2 mag 18.00,18.00 Sp M4+M4
 
 
Coord 2000
03312+4204
Discov num
BVD 189
Comp
Coord arcsec 2000
03 31 09.56 +42 03 49.7
Date first
1999
Date last
2010
Obs
3
Pa first
165
Pa last
165
P.A. Now (θ)
165°
Sep first
23.1
Sep last
23.2
Sep. Now (ρ)
23.2"
Mag pri
18.00
Mag sec
18.00
delta mag (ΔM)
0
Spectral class
M4+M4 (red/red)
Pri motion ra
+074
Sec motion ra
+074
Pri motion dec
-058
Sec motion dec
-063
Notes
V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
last precise pa
165
last precise sep
23.19
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03312+4204 BVD 189 1999 1 165 23.1 18.00 18.00 V 033109.56+420349.7
03312+4204 BVD 189 2003 2 165 23.2 18.00 18.00 M4+M4 V 033109.56+420349.7
03312+4204 BVD 189 2010 3 165 23.2 18.00 18.00 M4+M4 V 033109.56+420349.7

If you need more information about this double, apply for a data request form to the WDS.