12564-3007 HJ 4558

 
 
12h 56m 24.00s -30 07' 23.5" P.A. 187 sep 40.9 mag 10.05,10.21 Sp G5
 
 
Coord 2000
12564-3007
Discov num
HJ 4558
Comp
Coord arcsec 2000
12 56 24.00 -30 07 23.5
Date first
1834
Date last
2010
Obs
18
Pa first
182
Pa last
187
P.A. Now (θ)
187°
Sep first
20.0
Sep last
40.9
Sep. Now (ρ)
40.9"
Mag pri
10.05
Mag sec
10.21
delta mag (ΔM)
0.16
Spectral class
G5 (yellow)
Pri motion ra
-013
Sec motion ra
-049
Pri motion dec
-003
Sec motion dec
-104
Notes
N L (See Notes, Linear solution)
rPM=0.933
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
186.8
Precise sep
40.91
Constellation
Hydra
SAO
181241
Tycho2
7249-00673-1
last precise pa
186.8
last precise sep
40.91
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12564-3007 HJ 4558 1999 16 187 39.7 10.05 10.21 G5 NLD 125624.00-300723.5
12564-3007 HJ 4558 2010 18 187 40.9 10.05 10.21 G5 NL 125624.00-300723.5

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