02554+2743 HO  316

 
 
02H 55M 22.01S +27 43' 20.7" P.A. 289 SEP 20.6 MAG 6.84,12.70 SP B9 DIST. 168.63 PC (550.07 L.Y.)
 
 
Coord 2000
02554+2743
Discov num
HO  316
Comp
Coord arcsec 2000
02 55 22.01 +27 43 20.7
Date first
1891
Date last
2010
Obs
7
Pa first
284
Pa last
289
P.A. Now (θ)
289°
Sep first
19.8
Sep last
20.6
Sep. Now (ρ)
20.6"
Mag pri
6.84
Mag sec
12.70
delta mag (ΔM)
5.86
Spectral class
B9 (blue-white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
-017
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Aries
SAO
75638
HIP
13609
Tycho2
1789-00117-1
HD
18104
BD
BD+27 455
Distance
168.63
Distance ly
550.07
last precise pa
289
last precise sep
20.62