00031+6942 BU  861AC

 
 
00h 03m 04.97s +69 42' 07.4" P.A. 38 sep 14.8 mag 11.31,13.70 Sp F8
 
 
Coord 2000
00031+6942
Discov num
BU  861
Comp
AC
Coord arcsec 2000
00 03 04.97 +69 42 07.4
Date first
1902
Date last
2003
Obs
5
Pa first
46
Pa last
38
P.A. Now (θ)
38°
Sep first
16.4
Sep last
14.8
Sep. Now (ρ)
14.8"
Mag pri
11.31
Mag sec
13.70
delta mag (ΔM)
2.39
Spectral class
F8 (yellow-white)
Pri motion ra
+031
Sec motion ra
+046
Pri motion dec
+007
Sec motion dec
+047
Notes
rPM=0.65
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 2008 14 177 1.6 11.31 11.53 0.22
Show 00031+6942 BU 861 AC 1902 2003 5 38 14.8 11.31 13.70 2.39 <===
Show 00031+6942 BU 861 AD 1907 2003 4 275 19.7 11.31 15.60 4.29
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
38.3
Precise sep
14.777
Cdsa2 id
BU 861 AC
Constellation
Cepheus
Tycho2
4298-00695-1
Ra deg
0.05138055555555556
De deg
69.70205555555556
last precise pa
38.3
last precise sep
14.777
 
 
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 AC 1992 3 43 15.0 11.31 15.90 000304.97+694207.4
00031+6942 BU 861 AC 1999 4 39 14.9 11.31 13.70 000304.97+694207.4
00031+6942 BU 861 AC 2003 5 38 14.8 11.31 13.70 000304.97+694207.4

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