02321-1515 GWP 335AB (Sig Cet)

 
 
02h 32m 05.23s -15 14' 40.6" P.A. 252 sep 345.6 mag 4.79,8.77 Sp F4IV dist. 26.7 pc (87.1 l.y.)
 
 
Coord 2000
02321-1515
Discov num
GWP 335
Comp
AB
Coord arcsec 2000
02 32 05.23 -15 14 40.6
Date first
1991
Date last
1999
Obs
5
Pa first
253
Pa last
252
P.A. Now (θ)
252°
Sep first
345.3
Sep last
345.6
Sep. Now (ρ)
345.6"
Mag pri
4.79
Mag sec
8.77
delta mag (ΔM)
3.98
Spectral class
F4IV (yellow-white)
Pri motion ra
-073
Sec motion ra
-075
Pri motion dec
-128
Sec motion dec
-118
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.069 (< 0.3, Physical double)
This double is physical.
 
 
02321-1515 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 148445 02321-1515 TOK 382 Aa,Ab 2013 2014 3 338 0.2 4.70 8.70 4.00
Show Sig Cet 148445 02321-1515 GWP 335 AB 1991 1999 5 252 345.6 4.79 8.77 3.98 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
252.4
Precise sep
345.603
Name
Sig Cet
Constellation
Cetus
SAO
148445
HIP
11783
Tycho2
5860-02587-1
HD
15798
HR
740
GC
3045
BD
BD-15 449
Bayer
Sigma Ceti
Bayer name
Sig Cet
Flamsteed
76 Ceti
Flamsteed name
76 Cet
Distance
26.7
Distance ly
87.1
last precise pa
252.4
last precise sep
345.603
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02321-1515 GWP 335 AB 1999 4 252 345.6 4.79 8.77 F4IV NV 023205.23-151440.6

If you need more information about this double, apply for a data request form to the WDS.