11237-2831 ARG  25

 
 
11h 23m 47.56s -28 30' 44.1" P.A. 302 sep 38.7 mag 9.36,9.45 Sp G8V+K3III
 
 
Coord 2000
11237-2831
Discov num
ARG  25
Comp
Coord arcsec 2000
11 23 47.56 -28 30 44.1
Date first
1876
Date last
2010
Obs
12
Pa first
300
Pa last
302
P.A. Now (θ)
302°
Sep first
15.0
Sep last
38.7
Sep. Now (ρ)
38.7"
Mag pri
9.36
Mag sec
9.45
delta mag (ΔM)
0.09
Spectral class
G8V+K3III (yellow/yellow-orange)
Pri motion ra
+120
Sec motion ra
-001
Pri motion dec
-008
Sec motion dec
+004
Notes
N U (See Notes, Proper motion indicates non-physical)
rPM=1.011
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
301.7
Precise sep
38.67
Constellation
Hydra
Tycho2
6662-00850-1
HD
99044
last precise pa
301.7
last precise sep
38.67
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11237-2831 ARG 25 1991 8 301 27.5 9.39 12.40 K3III: N 112345.15-283024.8
11237-2831 ARG 25 1998 9 302 37.2 9.36 9.45 K3III: N 112347.56-283044.1
11237-2831 ARG 25 1999 11 302 37.2 9.36 9.45 K3III: N 112347.56-283044.1
11237-2831 ARG 25 2010 13 302 37.3 9.36 9.45 G8V+K3III NU 112347.56-283044.1

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