12387-0422 S   639AB

 
 
12h 38m 43.36s -04 22' 24.8" P.A. 109 sep 56.8 mag 6.82,9.99 Sp M0III dist. 250.63 pc (817.56 l.y.)
 
 
Coord 2000
12387-0422
Discov num
S   639
Comp
AB
Coord arcsec 2000
12 38 43.36 -04 22 24.8
Date first
1783
Date last
2012
Obs
29
Pa first
97
Pa last
109
P.A. Now (θ)
109°
Sep first
46.7
Sep last
56.8
Sep. Now (ρ)
56.8"
Mag pri
6.82
Mag sec
9.99
delta mag (ΔM)
3.17
Spectral class
M0III (red)
Pri motion ra
-048
Sec motion ra
-017
Pri motion dec
-002
Sec motion dec
-037
Notes
N (See Notes)
rPM=0.973
This double is not physical.
 
 
12387-0422 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 12387-0422 S 639 AB 1783 2012 29 109 56.8 6.82 9.99 3.17 <===
Show 12387-0422 GIR 3 AC 1893 2012 9 359 164.9 6.82 10.22 3.40
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
109.3
Precise sep
56.78
Constellation
Virgo
HIP
61685
Tycho2
4951-00492-1
HD
109944
BD
BD-03 3329
Distance
250.63
Distance ly
817.56
last precise pa
109.3
last precise sep
56.78
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12387-0422 S 639 AB 2002 25 110 56.0 6.82 9.99 M0III N D 123843.36-042224.8
12387-0422 S 639 AB 2011 26 110 57.1 6.82 9.99 M0III N D 123843.36-042224.8
12387-0422 S 639 AB 2012 28 109 56.8 6.82 9.99 M0III N D 123843.36-042224.8

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