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
Cdsa2 id
H 6 111 AB
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
Ra deg
9.459791666666666
De deg
-8.658694444444444
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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