09287-2048 I   495

 
 
09h 28m 42.47s -20 47' 59.8" P.A. 144 sep 0.9 mag 8.22,9.11 Sp A0IV dist. 223.71 pc (729.74 l.y.)
 
 
Coord 2000
09287-2048
Discov num
I   495
Comp
Coord arcsec 2000
09 28 42.47 -20 47 59.8
Date first
1909
Date last
1991
Obs
13
Pa first
130
Pa last
144
P.A. Now (θ)
144°
Sep first
1.4
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
8.22
Mag sec
9.11
delta mag (ΔM)
0.89
Spectral class
A0IV (white)
Pri motion ra
-021
Sec motion ra
-021
Pri motion dec
+003
Sec motion dec
+003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
143.9
Precise sep
0.913
Cdsa2 id
I 495
Constellation
Hydra
SAO
177506
HIP
46475
Tycho2
6042-00299-1
HD
82000
BD
BD-20 2912
Ra deg
9.47846388888889
De deg
-20.799944444444446
Distance
223.71
Distance ly
729.74
last precise pa
143.9
last precise sep
0.913
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09287-2048 I 495 1991 13 144 0.9 8.22 9.11 A0IV D 092842.47-204759.8

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