00049+4540 BU  997

 
 
00h 04m 57.53s +45 40' 25.6" P.A. 337 sep 3.8 mag 7.64,9.39 Sp F8IV-V dist. 71.12 pc (231.99 l.y.)
 
 
Coord 2000
00049+4540
Discov num
BU  997
Comp
Coord arcsec 2000
00 04 57.53 +45 40 25.6
Date first
1879
Date last
2015
Obs
94
Pa first
340
Pa last
337
P.A. Now (θ)
337°
Sep first
4.3
Sep last
3.8
Sep. Now (ρ)
3.8"
Mag pri
7.64
Mag sec
9.39
delta mag (ΔM)
1.75
Spectral class
F8IV-V (yellow-white)
Pri motion ra
+017
Sec motion ra
+017
Pri motion dec
-065
Sec motion dec
-065
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Andromeda
HIP
404
Tycho2
3246-00901-1
HD
225291
BD
BD+44 4549
Distance
71.12
Distance ly
231.99
last precise pa
337.2
last precise sep
3.773
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00049+4540 BU 997 2006 89 337 3.9 7.64 9.39 F8IV-V D 000457.53+454025.6
00049+4540 BU 997 2008 90 337 4.0 7.64 9.39 F8IV-V D 000457.53+454025.6
00049+4540 BU 997 2012 93 337 3.9 7.64 9.39 F8IV-V D 000457.53+454025.6

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