02315+0106 STF 274AB

 
 
02h 31m 29.87s +01 05' 39.2" P.A. 220 sep 13.5 mag 7.52,7.62 Sp Am dist. 49.93 pc (162.87 l.y.)
 
 
Coord 2000
02315+0106
Discov num
STF 274
Comp
AB
Coord arcsec 2000
02 31 29.87 +01 05 39.2
Date first
1794
Date last
2015
Obs
67
Pa first
215
Pa last
220
P.A. Now (θ)
220°
Sep first
13.2
Sep last
13.5
Sep. Now (ρ)
13.5"
Mag pri
7.52
Mag sec
7.62
delta mag (ΔM)
0.1
Spectral class
Am (white)
Pri motion ra
-021
Sec motion ra
-047
Pri motion dec
-022
Sec motion dec
-035
Notes
N W (See Notes, )
rPM=0.496
Nature of this double is uncertain.
 
 
02315+0106 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 02315+0106 STF 274 AB 1794 2015 67 220 13.5 7.52 7.62 0.10 <===
Show 02315+0106 SHY 422 BC 1991 1999 4 115 999.9 7.62 9.02 1.40
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
219.9
Precise sep
13.478
Cdsa2 id
STF 274 AB
Constellation
Cetus
HIP
11737
Tycho2
0046-00690-1
HD
15695
BD
BD+00 415
Ra deg
2.524963888888889
De deg
1.0942222222222222
Distance
49.93
Distance ly
162.87
last precise pa
219.9
last precise sep
13.478
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02315+0106 STF 274 AB 2008 60 220 13.6 7.52 7.62 Am D 023129.87+010539.2
02315+0106 STF 274 AB 2010 61 220 13.6 7.52 7.62 Am N D 023129.87+010539.2
02315+0106 STF 274 AB 2011 63 220 13.6 7.52 7.62 Am N D 023129.87+010539.2
02315+0106 STF 274 AB 2012 66 220 13.5 7.52 7.62 Am N D 023129.87+010539.2
02315+0106 STF 274 AB 2015 67 220 13.5 7.52 7.62 Am N W 023129.87+010539.2

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