02371-0926 ITF  77AC

 
 
02h 37m 07.46s -09 25' 31.8" P.A. 247 sep 238.1 mag 9.70,16.90 Sp G2V+M3.5V
 
 
Coord 2000
02371-0926
Discov num
ITF  77
Comp
AC
Coord arcsec 2000
02 37 07.46 -09 25 31.8
Date first
1998
Date last
2015
Obs
3
Pa first
247
Pa last
247
P.A. Now (θ)
247°
Sep first
237.2
Sep last
238.1
Sep. Now (ρ)
238.1"
Mag pri
9.70
Mag sec
16.90
delta mag (ΔM)
7.2
Spectral class
G2V+M3.5V (yellow/red)
Pri motion ra
+053
Sec motion ra
+007
Pri motion dec
+017
Sec motion dec
+007
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.846
This double is physical.
 
 
02371-0926 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 02371-0926 ITF 77 AB 1949 2015 3 264 246.4 9.70 16.90 7.20
Show 02371-0926 ITF 77 AC 1998 2015 3 247 238.1 9.70 16.90 7.20 <===
Show 02371-0926 ITF 62 BD 1953 2015 3 38 2.2 16.90 18.00 1.10
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
247.3
Precise sep
238.08
Cdsa2 id
ITF 77 AC
Constellation
Cetus
Tycho2
5285-01061-1
HD
16339
Ra deg
2.6187388888888887
De deg
-9.4255
last precise pa
247.3
last precise sep
238.08
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02371-0926 ITF 77 AC 1998 1 246 244.8 9.70 16.90 G2V+M3.5V V 023707.46-092531.8
02371-0926 ITF 77 AC 1999 2 247 237.3 9.70 16.90 G2V+M3.5V NV 023707.46-092531.8
02371-0926 ITF 77 AC 2015 3 247 238.1 9.70 16.90 G2V+M3.5V NV 023707.46-092531.8

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