12137-2719 B   221

 
 
12h 13m 40.64s -27 19' 16.0" P.A. 103 sep 0.3 mag 9.06,8.15 Sp F3IV/V dist. 531.91 pc (1735.09 l.y.)
 
 
Coord 2000
12137-2719
Discov num
B   221
Comp
Coord arcsec 2000
12 13 40.64 -27 19 16.0
Date first
1926
Date last
1991
Obs
18
Pa first
122
Pa last
103
P.A. Now (θ)
103°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
9.06
Mag sec
8.15
delta mag (ΔM)
0.91
Spectral class
F3IV/V (yellow-white)
Pri motion ra
-015
Sec motion ra
-015
Pri motion dec
+008
Sec motion dec
+008
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
102.9
Precise sep
0.33
Cdsa2 id
B 221
Constellation
Hydra
SAO
180582
HIP
59629
Tycho2
6676-00614-1
HD
106271
CD
CD-26 9034
CP
CP-26 4671
Ra deg
12.227955555555555
De deg
-27.32111111111111
Distance
531.91
Distance ly
1735.09
last precise pa
102.9
last precise sep
0.33
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12137-2719 B 221 1991 18 103 0.3 9.06 8.15 F3IV/V D 121340.64-271916.0

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