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
2010
Obs
3
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
180.7
Precise sep
26.95
Cdsa2 id
CVR 641
Constellation
Coma Berenices
Ra deg
12.031622222222223
De deg
19.663277777777775
last precise pa
180.7
last precise sep
26.95
 
 
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

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