09276-0840 H 6 111AB (Alphard)

 
 
09h 27m 35.25s -08 39' 31.3" P.A. 154 sep 282.3 mag 1.98,9.70 Sp K3II-III dist. 55.28 pc (180.32 l.y.)
 
 
Coord 2000
09276-0840
Discov num
H 6 111
Comp
AB
Coord arcsec 2000
09 27 35.25 -08 39 31.3
Date first
1833
Date last
2009
Obs
10
Pa first
155
Pa last
154
P.A. Now (θ)
154°
Sep first
285.0
Sep last
282.3
Sep. Now (ρ)
282.3"
Mag pri
1.98
Mag sec
9.70
delta mag (ΔM)
7.72
Spectral class
K3II-III (yellow-orange)
Pri motion ra
-014
Sec motion ra
Pri motion dec
+033
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
09276-0840 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Alphard 136871 09276-0840 H 6 111 AB 1833 2009 10 154 282.3 1.98 9.70 7.72 <===
Show 136871 09276-0840 H 6 111 AC 1783 2000 2 85 256.7 1.98
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
153.6
Precise sep
282.25
Common name
Alphard
Meaning
the lonely
Other names
KALBELALPHARD, COR HYDRAE, Alfard
Constellation
Hydra
SAO
136871
HIP
46390
Tycho2
5460-01592-1
HD
81797
HR
3748
GC
13044
BD
BD-08 2680
Bayer
Alpha Hydrae
Bayer name
Alp Hya
Flamsteed
30 Hydrae
Flamsteed name
30 Hya
Distance
55.28
Distance ly
180.32
last precise pa
153.6
last precise sep
282.25
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09276-0840 H 6 111 AB 2002 9 157 285.4 1.98 9.70 K3II-III N 092735.25-083931.3
09276-0840 H 6 111 AB 2009 10 154 282.3 1.98 9.70 K3II-III N 092735.25-083931.3

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