02309+7049 SLW 117

 
 
02h 30m 52.31s +70 49' 03.6" P.A. 273 sep 136.9 mag 14.40,19.10 Sp M0.3+M3.7
 
 
Coord 2000
02309+7049
Discov num
SLW 117
Comp
Coord arcsec 2000
02 30 52.31 +70 49 03.6
Date first
1994
Date last
2015
Obs
4
Pa first
273
Pa last
273
P.A. Now (θ)
273°
Sep first
137.0
Sep last
136.9
Sep. Now (ρ)
136.9"
Mag pri
14.40
Mag sec
19.10
delta mag (ΔM)
4.7
Spectral class
M0.3+M3.7 (red/red)
Pri motion ra
+026
Sec motion ra
+030
Pri motion dec
-033
Sec motion dec
-038
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.132 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
273
Precise sep
136.92
Constellation
Cassiopeia
last precise pa
273
last precise sep
136.92
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02309+7049 SLW 117 1994 1 273 137.0 14.44 19.13 M0.3 M3.7 V R 023052.31+704903.6
02309+7049 SLW 117 1999 2 273 137.1 14.40 19.10 M0.3 M3.7 VDR 023052.31+704903.6
02309+7049 SLW 117 2015 4 273 136.9 14.40 19.10 M0.3+M3.7 V R 023052.31+704903.6

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