13105+3155 LDS2905

 
 
13h 10m 22.93s +31 55' 16.9" P.A. 96.00 sep 7.1 mag 15.00,15.20
 
 
Coord 2000
13105+3155
Discov num
LDS2905
Comp
Coord arcsec 2000
13 10 22.93 +31 55 16.9
Date first
1955
Date last
2015
Obs
9
Pa first
94
Pa last
96
P.A. Now (θ)
96°
Sep first
7.0
Sep last
7.1
Sep. Now (ρ)
7.1"
Mag pri
15.00
Mag sec
15.20
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
-205
Sec motion ra
-198
Pri motion dec
-092
Sec motion dec
-092
Notes
V (Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.031 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
96.2
Precise sep
7.142
Constellation
Canes Venatici
Gaia DR2
38381378816
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13105+3155 LDS2905 1998 2 96 7.0 15.40 15.50 D 131022.93+315516.9
13105+3155 LDS2905 2009 3 96 7.2 15.40 15.50 D 131022.93+315516.9
13105+3155 LDS2905 2010 5 96 6.0 15.40 15.50 131022.93+315516.9
13105+3155 LDS2905 2015 9 96 7.1 15.00 15.20 V 131022.93+315516.9

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