02091+5104 STF 213AB

 
 
02h 09m 08.84s +51 04' 24.1" P.A. 326 sep 1.9 mag 9.06,9.50 Sp B9 dist. 492.61 pc (1606.89 l.y.)
 
 
Coord 2000
02091+5104
Discov num
STF 213
Comp
AB
Coord arcsec 2000
02 09 08.84 +51 04 24.1
Date first
1832
Date last
2016
Obs
24
Pa first
320
Pa last
326
P.A. Now (θ)
326°
Sep first
2.0
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
9.06
Mag sec
9.50
delta mag (ΔM)
0.44
Spectral class
B9 (blue-white)
Pri motion ra
+002
Sec motion ra
+002
Pri motion dec
-003
Sec motion dec
-003
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
02091+5104 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 22968 02091+5104 STF 213 AB 1832 2016 24 326 1.9 9.06 9.50 0.44 <===
Show 22968 02091+5104 STF 213 AC 1901 2012 8 64 6.9 9.06 12.20 3.14
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
326
Precise sep
1.896
Constellation
Perseus
SAO
22968
HIP
10032
Tycho2
3293-00081-1
HD
13053
BD
BD+50 459
Distance
492.61
Distance ly
1606.89
last precise pa
326
last precise sep
1.896
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02091+5104 STF 213 AB 1997 19 326 1.8 9.06 9.50 B9 D 020908.84+510424.1
02091+5104 STF 213 AB 2007 20 325 1.9 9.06 9.50 B9 D 020908.84+510424.1
02091+5104 STF 213 AB 2008 21 325 1.8 9.06 9.50 B9 D 020908.84+510424.1
02091+5104 STF 213 AB 2009 22 324 1.8 9.06 9.50 B9 D 020908.84+510424.1
02091+5104 STF 213 AB 2012 23 324 1.8 9.06 9.50 B9 N 020908.84+510424.1
02091+5104 STF 213 AB 2016 24 326 1.9 9.06 9.50 B9 N 020908.84+510424.1

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