00031+6942 BU  861AD

 
 
00h 03m 04.97s +69 42' 07.4" P.A. 273 sep 20.1 mag 11.31,15.60 dist. 211.86 pc (691.09 l.y.)
 
 
Coord 2000
00031+6942
Discov num
BU  861
Comp
AD
Coord arcsec 2000
00 03 04.97 +69 42 07.4
Date first
1907
Date last
2015
Obs
5
Pa first
273
Pa last
273
P.A. Now (θ)
273°
Sep first
16.8
Sep last
20.1
Sep. Now (ρ)
20.1"
Mag pri
11.31
Mag sec
15.60
delta mag (ΔM)
4.29
Spectral class
Pri motion ra
+031
Sec motion ra
Pri motion dec
+007
Sec motion dec
Notes
rPM=0.25 (< 0.3, Physical double)
Nature of this double is uncertain.
 
 
00031+6942 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 00031+6942 BU 861 AB 1881 2015 15 177 1.6 11.31 11.53 0.22
Show 00031+6942 BU 861 AC 1902 2015 6 39 14.0 11.31 13.70 2.39
Show 00031+6942 BU 861 AD 1907 2015 5 273 20.1 11.31 15.60 4.29 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Spectr
G9II/III
Constellation
Cassiopeia
SAO
35999
HIP
174
Tycho2
3664-00062-1
HD
240475
BD
BD+59 2815
Distance
211.86
Distance ly
691.09
last precise pa
272.5
last precise sep
20.083
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00031+6942 BU 861 AD 1999 3 275 19.7 11.31 15.60 D 000304.97+694207.4
00031+6942 BU 861 AD 2003 4 275 19.7 11.31 15.60 D 000304.97+694207.4
00031+6942 BU 861 AD 2015 5 273 20.1 11.31 15.60 000304.97+694207.4

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