12026+4418 BVD 221

 
 
12h 02m 37.52s +44 17' 57.8" P.A. 239 sep 12.9 mag 16.50,19.10 Sp M4+M6
 
 
Coord 2000
12026+4418
Discov num
BVD 221
Comp
Coord arcsec 2000
12 02 37.52 +44 17 57.8
Date first
1999
Date last
2015
Obs
4
Pa first
239
Pa last
239
P.A. Now (θ)
239°
Sep first
12.9
Sep last
12.9
Sep. Now (ρ)
12.9"
Mag pri
16.50
Mag sec
19.10
delta mag (ΔM)
2.6
Spectral class
M4+M6 (red/red)
Pri motion ra
-165
Sec motion ra
-161
Pri motion dec
-070
Sec motion dec
-070
Notes
V (Proper motion indicates physical)
rPM=0.022 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
239.2
Precise sep
12.874
Constellation
Ursa Major
Gaia DR2
86023775360
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12026+4418 BVD 221 1999 1 239 12.9 16.50 19.10 V 120237.52+441757.8
12026+4418 BVD 221 2003 3 239 12.9 16.50 19.10 V 120237.52+441757.8
12026+4418 BVD 221 2010 3 240 12.8 16.50 19.10 M4+M6 V 120237.52+441757.8
12026+4418 BVD 221 2015 4 239 12.9 16.50 19.10 M4+M6 V 120237.52+441757.8

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