02380+5142 HJ 2149

 
 
02h 38m 00.20s +51 41' 30.3" P.A. 356 sep 12.7 mag 9.98,12.50 Sp B8
 
 
Coord 2000
02380+5142
Discov num
HJ 2149
Comp
Coord arcsec 2000
02 38 00.20 +51 41 30.3
Date first
1831
Date last
2015
Obs
9
Pa first
358
Pa last
356
P.A. Now (θ)
356°
Sep first
8.0
Sep last
12.7
Sep. Now (ρ)
12.7"
Mag pri
9.98
Mag sec
12.50
delta mag (ΔM)
2.52
Spectral class
B8 (blue-white)
Pri motion ra
+000
Sec motion ra
-002
Pri motion dec
-008
Sec motion dec
-005
Notes
rPM=0.451
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
355.8
Precise sep
12.69
Constellation
Perseus
SAO
23483
Tycho2
3308-01259-1
HD
232684
last precise pa
355.8
last precise sep
12.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02380+5142 HJ 2149 1999 6 355 12.6 9.98 12.50 B8 D 023800.20+514130.3
02380+5142 HJ 2149 2002 7 355 12.6 9.98 12.50 B8 D 023800.20+514130.3
02380+5142 HJ 2149 2015 8 356 12.7 9.98 12.50 B8 023800.20+514130.3

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