00550+5858 BU 1098AB (Ups1 Cas)

 
 
00h 55m 00.19s +58 58' 22.1" P.A. 61 sep 17.8 mag 4.96,12.50 Sp K2III dist. 100.7 pc (328.48 l.y.)
 
 
Coord 2000
00550+5858
Discov num
BU 1098
Comp
AB
Coord arcsec 2000
00 55 00.19 +58 58 22.1
Date first
1889
Date last
2003
Obs
7
Pa first
75
Pa last
61
P.A. Now (θ)
61°
Sep first
12.8
Sep last
17.8
Sep. Now (ρ)
17.8"
Mag pri
4.96
Mag sec
12.50
delta mag (ΔM)
7.54
Spectral class
K2III (yellow-orange)
Pri motion ra
-034
Sec motion ra
Pri motion dec
-041
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
00550+5858 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Ups1 Cas 21832 00550+5858 BU 1098 AB 1889 2003 7 61 17.8 4.96 12.50 7.54 <===
Show 21832 00550+5858 BU 1098 AC 1910 2003 6 125 93.3 4.96 12.89 7.93
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
61.4
Precise sep
17.811
Name
Ups1 Cas
Cdsa2 id
BU 1098 AB
Constellation
Cassiopeia
SAO
21832
HIP
4292
Tycho2
3680-01840-1
HD
5234
HR
253
GC
1086
BD
BD+58 134
Bayer
Upsilon 1 Cassiopeiae
Bayer name
Ups1 Cas
Flamsteed
26 Cassiopeiae
Flamsteed name
26 Cas
Ra deg
0.9167194444444444
De deg
58.97280555555556
Distance
100.7
Distance ly
328.48
last precise pa
61.4
last precise sep
17.811
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00550+5858 BU 1098 AB 1998 6 64 17.2 5.00 12.50 K2III N D 005500.19+585822.1
00550+5858 BU 1098 AB 2003 7 61 17.8 5.00 12.50 K2III N D 005500.19+585822.1

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