12180-4907 HDS1731

 
 
12h 18m 01.50s -49 07' 14.8" P.A. 44 sep 0.1 mag 9.05,11.16 Sp F7V dist. 273.22 pc (891.24 l.y.)
 
 
Coord 2000
12180-4907
Discov num
HDS1731
Comp
Coord arcsec 2000
12 18 01.50 -49 07 14.8
Date first
1991
Date last
2017
Obs
2
Pa first
62
Pa last
44
P.A. Now (θ)
44°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
9.05
Mag sec
11.16
delta mag (ΔM)
2.11
Spectral class
F7V (yellow-white)
Pri motion ra
-026
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
44.4
Precise sep
0.124
Cdsa2 id
HDS 1731
Constellation
Centaurus
SAO
223341
HIP
59978
Tycho2
8238-00754-1
HD
106939
CD
CD-48 7311
CP
CP-48 4685
Ra deg
12.300416666666667
De deg
-49.120777777777775
Distance
273.22
Distance ly
891.24
last precise pa
44.4
last precise sep
0.124
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12180-4907 HDS1731 1991 1 62 0.2 9.05 11.16 F7V 121801.50-490714.8
12180-4907 HDS1731 2017 2 44 0.1 9.05 11.16 F7V 121801.50-490714.8

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