10221+3427 CBL 307

 
 
10h 22m 09.01s +34 27' 02.1" P.A. 70.00 sep 28.4 mag 17.60,18.00 Sp M3+M4
 
 
Coord 2000
10221+3427
Discov num
CBL 307
Comp
Coord arcsec 2000
10 22 09.01 +34 27 02.1
Date first
1998
Date last
2016
Obs
8
Pa first
71
Pa last
70
P.A. Now (θ)
70°
Sep first
28.1
Sep last
28.4
Sep. Now (ρ)
28.4"
Mag pri
17.60
Mag sec
18.00
delta mag (ΔM)
0.4
Spectral class
M3+M4 (red/red)
Pri motion ra
-065
Sec motion ra
-063
Pri motion dec
-030
Sec motion dec
-031
Notes
V (Proper motion indicates physical)
rPM=0.031 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
70.4
Precise sep
28.417
Constellation
Leo Minor
Gaia DR2
752356568070419968
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10221+3427 CBL 307 2004 1 71 28.1 17.60 18.00 V 102260.00+342700.0
10221+3427 CBL 307 2010 3 71 28.2 17.60 18.00 M3+M4 V 102260.00+342700.0
10221+3427 CBL 307 2015 4 71 27.9 17.60 18.00 M3+M4 V 102209.01+342702.1

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