18548+4852 BU 1255AB

 
 
18h 54m 47.17s +48 51' 35.0" P.A. 108 sep 1.1 mag 5.80,12.60 Sp F5V
 
 
Coord 2000
18548+4852
Discov num
BU 1255
Comp
AB
Coord arcsec 2000
18 54 47.17 +48 51 35.0
Date first
1891
Date last
1969
Obs
9
Pa first
88
Pa last
108
P.A. Now (θ)
108°
Sep first
1.6
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
5.80
Mag sec
12.60
delta mag (ΔM)
6.8
Spectral class
F5V (yellow-white)
Pri motion ra
-060
Sec motion ra
Pri motion dec
-133
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18548+4852 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 47913 18548+4852 BU 1255 AB 1891 1969 9 108 1.1 5.80 12.60 6.80 <===
Show 18548+4852 BU 1255 AC 1911 2003 3 270 28.0 5.80 13.10 7.30
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
108.4
Precise sep
1.05
Constellation
Draco
SAO
47913
HD
175824
HR
7154
last precise pa
108.4
last precise sep
1.05
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18548+4852 BU 1255 AB 1969 9 108 1.1 5.80 12.60 F5V D 185447.17+485135.0

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