12019+1939 CVR 641

 
 
12h 01m 53.84s +19 39' 47.8" P.A. 181 sep 27 mag 16.20,20.30 Sp M1+M7
 
 
Coord 2000
12019+1939
Discov num
CVR 641
Comp
Coord arcsec 2000
12 01 53.84 +19 39 47.8
Date first
1999
Date last
2015
Obs
4
Pa first
181
Pa last
181
P.A. Now (θ)
181°
Sep first
26.9
Sep last
27.0
Sep. Now (ρ)
27"
Mag pri
16.20
Mag sec
20.30
delta mag (ΔM)
4.1
Spectral class
M1+M7 (red/red)
Pri motion ra
-055
Sec motion ra
-053
Pri motion dec
+016
Sec motion dec
+013
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.063 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
180.6
Precise sep
27.025
Constellation
Coma Berenices
Gaia DR2
25200711040
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12019+1939 CVR 641 2005 1 181 27.0 16.20 20.30 M1+M7 V R 120153.82+193920.9
12019+1939 CVR 641 2010 3 181 26.9 16.20 20.30 M1+M7 V R 120153.84+193947.8
12019+1939 CVR 641 2015 4 181 27.0 16.20 20.30 M1+M7 V R 120153.84+193947.8

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