02500+6438 STF 302

 
 
02h 49m 58.14s +64 37' 50.9" P.A. 170 sep 5.1 mag 7.54,10.34 Sp B8II-III dist. 1020.41 pc (3328.58 l.y.)
 
 
Coord 2000
02500+6438
Discov num
STF 302
Comp
Coord arcsec 2000
02 49 58.14 +64 37 50.9
Date first
1828
Date last
2012
Obs
12
Pa first
174
Pa last
170
P.A. Now (θ)
170°
Sep first
5.0
Sep last
5.1
Sep. Now (ρ)
5.1"
Mag pri
7.54
Mag sec
10.34
delta mag (ΔM)
2.8
Spectral class
B8II-III (blue-white)
Pri motion ra
+005
Sec motion ra
+005
Pri motion dec
-005
Sec motion dec
-005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cassiopeia
SAO
12455
HIP
13208
Tycho2
4055-01631-1
HD
17327
BD
BD+64 351
Distance
1020.41
Distance ly
3328.58
last precise pa
169.7
last precise sep
5.09
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02500+6438 STF 302 1999 9 170 4.7 7.54 10.34 B8II-III D 024958.14+643750.9
02500+6438 STF 302 2003 11 180 4.4 7.54 10.34 B8II-III D 024958.14+643750.9
02500+6438 STF 302 2012 12 170 5.1 7.54 10.34 B8II-III D 024958.14+643750.9

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