12026+4418 BVD 221

 
 
12h 02m 37.52s +44 17' 57.8" P.A. 240 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
2010
Obs
3
Pa first
239
Pa last
240
P.A. Now (θ)
240°
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
239.6
Precise sep
12.91
Constellation
Ursa Major
last precise pa
239.6
last precise sep
12.91
 
 
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

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