09276-0840 H 6 111AC

 
 
09h 27m 35.25s -08 39' 31.3" P.A. 85 sep 257 mag 1.98, Sp K3II-III dist. 55.28 pc (180.32 l.y.)
 
 
Coord 2000
09276-0840
Discov num
H 6 111
Comp
AC
Coord arcsec 2000
09 27 35.25 -08 39 31.3
Date first
1783
Date last
2015
Obs
3
Pa first
90
Pa last
85
P.A. Now (θ)
85°
Sep first
210.0
Sep last
257.0
Sep. Now (ρ)
257"
Mag pri
1.98
Mag sec
delta mag (ΔM)
Spectral class
K3II-III (yellow-orange)
Pri motion ra
-014
Sec motion ra
-003
Pri motion dec
+033
Sec motion dec
+004
Notes
N (See Notes)
rPM=0.865
This double is not physical.
 
 
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 2015 11 155 284.4 1.98 9.70 7.72
Show 09276-0840 H 6 111 AC 1783 2015 3 85 257.0 1.98 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
85.2
Precise sep
256.98
Constellation
Hydra
SAO
136871
HIP
46390
Tycho2
5460-01592-1
Gaia DR2
00984781824
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
 
 
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 AC 1783 1 90 210.0 1.98   K3II-III N 092735.25-083931.3
09276-0840 H 6 111 AC 2000 2 85 256.7 1.98   K3II-III N 092735.25-083931.3
09276-0840 H 6 111 AC 2015 2 85 257.0 1.98   K3II-III N 092735.25-083931.3

If you need more information about this double, apply for a data request form to the WDS.
 
 
WDS 09276-0840 H 6 111AC : NOTES
 
 
discov_num notes refcode
H 6 111 AB: H VI 111. alp Hya = 30 Hya = Alphard. B is BD-08@2681.
Mk III Limb-darkened diameter 9.727 +/- 0.097 mas. MkT2003
Primary unresolved in H alpha. Bla1977a
 
 
REFERENCES
 
 
refcode metd author reference
Bla1977a S j Blazit, A., Bonneau, D., Koechlin, L. & Labeyrie, A. 1977ApJ...214L..79B
Bla1977a ApJ 214, L79, 1977
MkT2003 Km - Mozurkewich, D., Armstrong, J.T., Hindsley, R., Quirrenbach, A., Hummel, C.A., 2003AJ....126.2502M
MkT2003 +not Hutter, D., Johnston, K.J., Hajian, A., Elias, N.M., II, Buscher, D., & Simon, R.
MkT2003 AJ 126, 2502, 2003
 
 
DISCOVERER
 
 
discov author
H (Herschel DD - list 1)
H (Herschel DD - list 2)
H (Herschel DD - list 3)
H (Herschel DD - list 4)
H (Herschel DD - list 5)
H (Herschel DD - list 6)
H (Herschel DD - "new" list)
H Herschel, W.

 
 
WDS 09276-0840 H 6 111AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 09276-0840 H 6 111AC : MEASURES
 
 
No records found.

 
 
WDS 09276-0840 H 6 111AC : Virtual Eyepiece
 
 

09276-0840  H 6 111 A 09276-0840  H 6 111AB sep 284.4 P.A. 155 mag 1.98,9.70 Sp K3II-III 09276-0840  H 6 111AC sep 257 P.A. 85 mag 1.98, Sp K3II-III virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Radius:
 
 
WDS 09276-0840 H 6 111AC : Aladin DSS image @ 09h 27m 35.25s -08 39' 31.3"