12543-2758 HJ 4556

 
 
12h 54m 15.96s -27 57' 34.2" P.A. 82 sep 5.7 mag 7.66,8.81 Sp F9V dist. 100.5 pc (327.83 l.y.)
 
 
Coord 2000
12543-2758
Discov num
HJ 4556
Comp
Coord arcsec 2000
12 54 15.96 -27 57 34.2
Date first
1835
Date last
2010
Obs
28
Pa first
84
Pa last
82
P.A. Now (θ)
82°
Sep first
5.5
Sep last
5.7
Sep. Now (ρ)
5.7"
Mag pri
7.66
Mag sec
8.81
delta mag (ΔM)
1.15
Spectral class
F9V (yellow-white)
Pri motion ra
+002
Sec motion ra
+002
Pri motion dec
-039
Sec motion dec
-039
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
81.5
Precise sep
5.69
Constellation
Hydra
HIP
62978
Tycho2
6705-00262-1
HD
112086
CD
CD-27 8914
Distance
100.5
Distance ly
327.83
last precise pa
81.5
last precise sep
5.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12543-2758 HJ 4556 1998 26 80 5.9 7.66 8.81 F9V D 125415.96-275734.2
12543-2758 HJ 4556 1999 27 82 5.9 7.66 8.81 F9V D 125415.96-275734.2
12543-2758 HJ 4556 2010 28 82 4.9 7.66 8.81 F9V 125415.96-275734.2

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