11529-3354 HJ 4478 (Bet Hya)

 
 
11h 52m 54.52s -33 54' 29.3" P.A. 52 sep 0.6 mag 4.67,5.47 Sp B9IIIpSi dist. 94.97 pc (309.79 l.y.)
 
 
Coord 2000
11529-3354
Discov num
HJ 4478
Comp
Coord arcsec 2000
11 52 54.52 -33 54 29.3
Date first
1834
Date last
2015
Obs
82
Pa first
340
Pa last
52
P.A. Now (θ)
52°
Sep first
1.7
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
4.67
Mag sec
5.47
delta mag (ΔM)
0.8
Spectral class
B9IIIpSi (blue-white)
Pri motion ra
-056
Sec motion ra
-056
Pri motion dec
-002
Sec motion dec
-002
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
52.1
Precise sep
0.578
Name
Bet Hya
Constellation
Hydra
SAO
202901
HIP
57936
Tycho2
7226-01650-1
HD
103192
HR
4552
GC
16258
CD
CD-33 8018
CP
CP-33 3159
Bayer
Beta Hydrae
Bayer name
Bet Hya
Distance
94.97
Distance ly
309.79
last precise pa
52.1
last precise sep
0.578
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11529-3354 HJ 4478 1998 80 36 0.7 4.67 5.47 B9IIIpSi N D 115254.52-335429.3
11529-3354 HJ 4478 2008 81 40 0.8 4.67 5.47 B9IIIpSi N 115254.52-335429.3
11529-3354 HJ 4478 2015 82 52 0.6 4.67 5.47 B9IIIpSi N 115254.52-335429.3

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