12211+1550 SKF1848

 
 
12h 21m 08.16s +15 50' 05.3" P.A. 82 sep 2.5 mag 18.80,20.50 Sp sdB+M:
 
 
Coord 2000
12211+1550
Discov num
SKF1848
Comp
Coord arcsec 2000
12 21 08.16 +15 50 05.3
Date first
2003
Date last
2015
Obs
4
Pa first
82
Pa last
82
P.A. Now (θ)
82°
Sep first
2.4
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
18.80
Mag sec
20.50
delta mag (ΔM)
1.7
Spectral class
sdB+M:
Pri motion ra
+013
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
82.2
Precise sep
2.482
Constellation
Coma Berenices
Gaia DR2
80925504768
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12211+1550 SKF1848 2009 3 83 2.5 18.80 20.50 sdB+M: 122108.16+155005.3
12211+1550 SKF1848 2015 4 82 2.5 18.80 20.50 sdB+M: 122108.16+155005.3

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