10237-1955 HLD 105AB

 
 
10h 23m 44.68s -19 55' 12.9" P.A. 103 sep 0.9 mag 9.69,10.40 Sp G3V
 
 
Coord 2000
10237-1955
Discov num
HLD 105
Comp
AB
Coord arcsec 2000
10 23 44.68 -19 55 12.9
Date first
1882
Date last
1991
Obs
11
Pa first
120
Pa last
103
P.A. Now (θ)
103°
Sep first
1.0
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
9.69
Mag sec
10.40
delta mag (ΔM)
0.71
Spectral class
G3V (yellow)
Pri motion ra
+011
Sec motion ra
+011
Pri motion dec
-013
Sec motion dec
-013
Notes
Nature of this double is uncertain.
 
 
10237-1955 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 10237-1955 HLD 105 AB 1882 1991 11 103 0.9 9.69 10.40 0.71 <===
Show 10237-1955 HLD 105 AC 1927 1998 2 287 6.8 9.69 14.40 4.71
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
103.4
Precise sep
0.929
Cdsa2 id
HLD 105 AB
Constellation
Hydra
Tycho2
6068-00240-1
HD
90109
Ra deg
10.395744444444444
De deg
-19.920250000000003
last precise pa
103.4
last precise sep
0.929
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10237-1955 HLD 105 AB 1991 11 103 0.9 9.69 10.40 G3V 102344.68-195512.9

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