12159+0434 CVR 647

 
 
12h 15m 51.95s +04 34' 11.3" P.A. 172 sep 7.2 mag 18.40,18.80 Sp M2+M2
 
 
Coord 2000
12159+0434
Discov num
CVR 647
Comp
Coord arcsec 2000
12 15 51.95 +04 34 11.3
Date first
1998
Date last
2001
Obs
4
Pa first
172
Pa last
172
P.A. Now (θ)
172°
Sep first
7.0
Sep last
7.2
Sep. Now (ρ)
7.2"
Mag pri
18.40
Mag sec
18.80
delta mag (ΔM)
0.4
Spectral class
M2+M2 (red/red)
Pri motion ra
-055
Sec motion ra
-052
Pri motion dec
-001
Sec motion dec
-008
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.138 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
172.3
Precise sep
7.15
Cdsa2 id
CVR 647
Constellation
Virgo
Ra deg
12.264430555555556
De deg
4.569805555555555
last precise pa
172.3
last precise sep
7.15
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12159+0434 CVR 647 2001 1 172 7.2 18.40 18.80 M2+M2 V R 121552.02+043404.3

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