12254-3108 SEE 152

 
 
12h 25m 23.80s -31 07' 50.2" P.A. 85 sep 2.5 mag 8.56,10.48 Sp G5IV
 
 
Coord 2000
12254-3108
Discov num
SEE 152
Comp
Coord arcsec 2000
12 25 23.80 -31 07 50.2
Date first
1897
Date last
2015
Obs
12
Pa first
87
Pa last
85
P.A. Now (θ)
85°
Sep first
2.4
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
8.56
Mag sec
10.48
delta mag (ΔM)
1.92
Spectral class
G5IV (yellow)
Pri motion ra
-012
Sec motion ra
+006
Pri motion dec
-012
Sec motion dec
-006
Notes
rPM=1.118
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
84.8
Precise sep
2.54
Constellation
Hydra
SAO
203453
Tycho2
7233-00888-1
HD
108111
last precise pa
84.8
last precise sep
2.54
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12254-3108 SEE 152 1991 10 83 2.6 8.56 10.48 G5IV 122523.80-310750.2
12254-3108 SEE 152 1999 11 82 2.5 8.56 10.48 G5IV 122523.80-310750.2
12254-3108 SEE 152 2015 12 85 2.5 8.56 10.48 G5IV 122523.80-310750.2

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