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
Cdsa2 id
HJ 4478
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
Ra deg
11.881811111111112
De deg
-33.908138888888885
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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