02174+2845 STF 239

 
 
02h 17m 25.29s +28 44' 42.1" P.A. 211 sep 13.6 mag 7.09,7.83 Sp F7V+F9V dist. 34.52 pc (112.6 l.y.)
 
 
Coord 2000
02174+2845
Discov num
STF 239
Comp
Coord arcsec 2000
02 17 25.29 +28 44 42.1
Date first
1821
Date last
2016
Obs
60
Pa first
209
Pa last
211
P.A. Now (θ)
211°
Sep first
14.3
Sep last
13.6
Sep. Now (ρ)
13.6"
Mag pri
7.09
Mag sec
7.83
delta mag (ΔM)
0.74
Spectral class
F7V+F9V (yellow-white/yellow-white)
Pri motion ra
+094
Sec motion ra
+098
Pri motion dec
-072
Sec motion dec
-067
Notes
N Z V (See Notes, Parallax indicates components are physical, Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Triangulum
SAO
75265
HIP
10680
Tycho2
1777-01479-1
HD
14082
BD
BD+28 382
Distance
34.52
Distance ly
112.6
last precise pa
211.3
last precise sep
13.56
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02174+2845 STF 239 2006 53 212 13.8 7.09 7.83 F7V F9V ZDV 021725.29+284442.1
02174+2845 STF 239 2010 55 212 14.0 7.09 7.83 F7V F9V NZDV 021725.29+284442.1
02174+2845 STF 239 2011 57 212 13.8 7.09 7.83 F7V F9V NZDV 021725.29+284442.1
02174+2845 STF 239 2016 60 211 13.6 7.09 7.83 F7V+F9V NZ V 021725.29+284442.1

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