13189-2310 SMY   3 (Gam Hya)

 
 
13h 18m 55.25s -23 10' 17.1" P.A. 98 sep 128.3 mag 3.08,12.13 Sp G8IIIa dist. 41.03 pc (133.84 l.y.)
 
 
Coord 2000
13189-2310
Discov num
SMY   3
Comp
Coord arcsec 2000
13 18 55.25 -23 10 17.1
Date first
1879
Date last
2010
Obs
5
Pa first
94
Pa last
98
P.A. Now (θ)
98°
Sep first
138.7
Sep last
128.3
Sep. Now (ρ)
128.3"
Mag pri
3.08
Mag sec
12.13
delta mag (ΔM)
9.05
Spectral class
G8IIIa (yellow)
Pri motion ra
+067
Sec motion ra
-011
Pri motion dec
-043
Sec motion dec
-093
Notes
N (See Notes)
rPM=0.989
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
97.8
Precise sep
128.29
Name
Gam Hya
Constellation
Hydra
SAO
181543
HIP
64962
HD
115659
HR
5020
GC
18012
BD
BD-22 3554
CD
CD-22 9855
CP
CP-22 5584
Bayer
Gamma Hydrae
Bayer name
Gam Hya
Flamsteed
46 Hydrae
Flamsteed name
46 Hya
Distance
41.03
Distance ly
133.84
last precise pa
97.8
last precise sep
128.29
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13189-2310 SMY 3 1998 3 98 129.1 3.00 10.00 G8IIIa N D 131855.25-231017.1
13189-2310 SMY 3 1999 4 98 129.4 3.00 10.00 G8IIIa N D 131855.25-231017.1
13189-2310 SMY 3 2010 5 98 128.3 3.08 12.13 G8IIIa N 131855.25-231017.1

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