12257-2825 SKF1918AC

 
 
12h 25m 40.03s -28 25' 06.8" P.A. 278.00 sep 8.9 mag 8.44,16.00 Sp K2III
 
 
Coord 2000
12257-2825
Discov num
SKF1918
Comp
AC
Coord arcsec 2000
12 25 40.03 -28 25 06.8
Date first
1996
Date last
2016
Obs
3
Pa first
284
Pa last
278
P.A. Now (θ)
278°
Sep first
9.1
Sep last
8.9
Sep. Now (ρ)
8.9"
Mag pri
8.44
Mag sec
16.00
delta mag (ΔM)
7.56
Spectral class
K2III (yellow-orange)
Pri motion ra
+046
Sec motion ra
Pri motion dec
-050
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
12257-2825 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 180792 12 25 40 -28 25 07 STN 23 AB 2015 20 298 34.4 8.44 11.47 3.03
Show 180792 12 25 40 -28 25 07 SKF 1918 AC 2016 3 278 8.9 8.44 16.00 7.56 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
278.3
Precise sep
8.899
Constellation
Hydra
SAO
180792
Tycho2
6694-00833-1
Gaia DR2
3474777461866242176
HD
108164
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12257-2825 SKF1918 AC 1996 1 284 9.1 8.30 16.00 K2III 122540.03-282506.8
12257-2825 SKF1918 AC 2015 2 278 8.9 8.44 16.00 K2III 122540.03-282506.8

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