02540+4710 BU 1293

 
 
02h 54m 00.98s +47 09' 39.2" P.A. 349 sep 2 mag 6.81,10.45 Sp B9 dist. 194.55 pc (634.62 l.y.)
 
 
Coord 2000
02540+4710
Discov num
BU 1293
Comp
Coord arcsec 2000
02 54 00.98 +47 09 39.2
Date first
1900
Date last
1991
Obs
9
Pa first
352
Pa last
349
P.A. Now (θ)
349°
Sep first
1.7
Sep last
2.0
Sep. Now (ρ)
2"
Mag pri
6.81
Mag sec
10.45
delta mag (ΔM)
3.64
Spectral class
B9 (blue-white)
Pri motion ra
+010
Sec motion ra
+009
Pri motion dec
-012
Sec motion dec
-012
Notes
rPM=0.064 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
349.1
Precise sep
2.01
Constellation
Perseus
SAO
38424
HIP
13512
Tycho2
3301-01635-1
HD
17891
BD
BD+46 652
Distance
194.55
Distance ly
634.62
last precise pa
349.1
last precise sep
2.01
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02540+4710 BU 1293 1991 9 349 2.0 6.81 10.45 B9 D 025400.98+470939.2

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