02180+3116 A   959AB

 
 
02h 17m 57.87s +31 15' 47.7" P.A. 4 sep 3.9 mag 9.24,12.20 Sp G5
 
 
Coord 2000
02180+3116
Discov num
A   959
Comp
AB
Coord arcsec 2000
02 17 57.87 +31 15 47.7
Date first
1905
Date last
2016
Obs
16
Pa first
359
Pa last
4
P.A. Now (θ)
Sep first
4.0
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
9.24
Mag sec
12.20
delta mag (ΔM)
2.96
Spectral class
G5 (yellow)
Pri motion ra
-029
Sec motion ra
Pri motion dec
-037
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
02180+3116 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 55437 02180+3116 A 959 AB 1905 2016 16 4 3.9 9.24 12.20 2.96 <===
Show 55437 02180+3116 FOX 123 AC 1919 2015 8 309 52.6 9.24 13.43 4.19
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
3.9
Precise sep
3.85
Constellation
Triangulum
SAO
55437
Tycho2
2310-01102-1
last precise pa
3.9
last precise sep
3.85
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02180+3116 A 959 AB 2004 11 4 3.9 9.24 12.20 G5 D 021757.87+311547.7
02180+3116 A 959 AB 2011 13 2 3.8 9.24 12.20 G5 D 021757.87+311547.7
02180+3116 A 959 AB 2013 14 3 3.8 9.24 12.20 G5 021757.87+311547.7
02180+3116 A 959 AB 2015 15 4 3.7 9.24 12.20 G5 021757.87+311547.7
02180+3116 A 959 AB 2016 16 4 3.9 9.24 12.20 G5 N 021757.87+311547.7

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