13173+2118 LDS2910

 
 
13h 17m 17.84s +21 17' 16.6" P.A. 179 sep 9 mag 17.40,20.10 Sp M5+M6
 
 
Coord 2000
13173+2118
Discov num
LDS2910
Comp
Coord arcsec 2000
13 17 17.84 +21 17 16.6
Date first
1956
Date last
2010
Obs
3
Pa first
180
Pa last
179
P.A. Now (θ)
179°
Sep first
9.5
Sep last
9.0
Sep. Now (ρ)
9"
Mag pri
17.40
Mag sec
20.10
delta mag (ΔM)
2.7
Spectral class
M5+M6 (red/red)
Pri motion ra
-080
Sec motion ra
-081
Pri motion dec
-015
Sec motion dec
+017
Notes
V (Proper motion indicates physical)
rPM=0.387
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
179.4
Precise sep
9.01
Constellation
Coma Berenices
last precise pa
179.4
last precise sep
9.01
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13173+2118 LDS2910 2000 2 180 9.0 17.40 20.10 131717.84+211716.6
13173+2118 LDS2910 2005 2 180 9.0 17.40 20.10 M5+M6 V 131717.84+211716.6
13173+2118 LDS2910 2010 3 180 8.7 17.40 20.10 M5+M6 V 131717.84+211716.6

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