02123+4815 ES   47AB

 
 
02h 12m 21.99s +48 14' 50.6" P.A. 289 sep 6.2 mag 8.83,11.40 Sp B9IIIp
 
 
Coord 2000
02123+4815
Discov num
ES   47
Comp
AB
Coord arcsec 2000
02 12 21.99 +48 14 50.6
Date first
1901
Date last
2013
Obs
10
Pa first
292
Pa last
289
P.A. Now (θ)
289°
Sep first
4.8
Sep last
6.2
Sep. Now (ρ)
6.2"
Mag pri
8.83
Mag sec
11.40
delta mag (ΔM)
2.57
Spectral class
B9IIIp (blue-white)
Pri motion ra
+004
Sec motion ra
-074
Pri motion dec
-004
Sec motion dec
+035
Notes
Nature of this double is uncertain.
 
 
02123+4815 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 02123+4815 ES 47 AB 1901 2013 10 289 6.2 8.83 11.40 2.57 <===
Show 02123+4815 ES 47 AC 1898 2013 14 257 19.8 8.83 10.97 2.14
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Andromeda
Tycho2
3285-01411-1
HD
13414
last precise pa
289.1
last precise sep
6.21
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02123+4815 ES 47 AB 1998 8 290 6.1 8.83 11.40 B9IIIp D 021221.99+481450.6
02123+4815 ES 47 AB 2002 9 288 6.2 8.83 11.40 B9IIIp D 021221.99+481450.6
02123+4815 ES 47 AB 2013 10 289 6.2 8.83 11.40 B9IIIp 021221.99+481450.6

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