12257-2825 STN  23AB

12h 25m 40.03s -28 25' 06.8" P.A. 298 sep 33.6 mag 8.44,11.47 Sp K2IIICNII

Coord 2000
12257-2825
Discov num
STN  23
Comp
AB
Coord arcsec 2000
12 25 40.03 -28 25 06.8
Date first
1879
Date last
2007
Obs
19
Pa first
330
Pa last
298
P.A. Now (θ)
298°
Sep first
14.2
Sep last
33.6
Sep. Now (ρ)
33.6"
Mag pri
8.44
Mag sec
11.47
delta mag (ΔM)
3.03
Spectral class
K2IIICNII (yellow-orange)
Pri motion ra
+048
Sec motion ra
-134
Pri motion dec
-044
Sec motion dec
-008
Notes
L (Linear solution)


rPM=1.382

This double is not physical.



12257-2825 SYSTEM COMPONENTS

Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 180792 12257-2825 STN 23 AB 1879 2007 19 298 33.6 8.44 11.47 3.03 <===
Show 180792 12257-2825 SKF1918 AC 1996 1996 1 284 9.1 8.44 16.00 7.56
Triple system
3 visible stars in this system



OTHER CATALOGS AND DESIGNATIONS

Precise pa
298.4
Precise sep
33.57
Constellation
Hydra
SAO
180792
Tycho2
6694-00833-1
HD
108164
last precise pa
298.4
last precise sep
33.57




WDS HISTORIC DATA

coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12257-2825 STN 23 AB 2007 19 298 33.6 8.44 11.47 K2IIICNII L 122540.03-282506.8

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