10210-2844 RSS 233

 
 
10h 20m 57.57s -28 44' 28.5" P.A. 321 sep 7.7 mag 9.47,13.70 Sp G8V dist. 57.87 pc (188.77 l.y.)
 
 
Coord 2000
10210-2844
Discov num
RSS 233
Comp
Coord arcsec 2000
10 20 57.57 -28 44 28.5
Date first
1976
Date last
1999
Obs
3
Pa first
320
Pa last
321
P.A. Now (θ)
321°
Sep first
8.4
Sep last
7.7
Sep. Now (ρ)
7.7"
Mag pri
9.47
Mag sec
13.70
delta mag (ΔM)
4.23
Spectral class
G8V (yellow)
Pri motion ra
+035
Sec motion ra
+031
Pri motion dec
+098
Sec motion dec
+093
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.062 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
320.5
Precise sep
7.71
Constellation
Hydra
SAO
178710
HIP
50681
Tycho2
6631-00380-1
HD
89749
CD
CD-28 8105
CP
CP-28 4106
Distance
57.87
Distance ly
188.77
last precise pa
320.5
last precise sep
7.71
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10210-2844 RSS 233 1999 2 321 7.7 9.15   G8V D 102057.57-284428.5
10210-2844 RSS 233 2010 4 320 7.3 9.47 13.70 G8V NV 102057.57-284428.5

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