17287-8247 HJ 4912

 
 
17h 28m 43.99s -82 46' 46.6" P.A. 122 sep 24.7 mag 6.62,10.68 Sp B2V dist. 671.14 pc (2189.26 l.y.)
 
 
Coord 2000
17287-8247
Discov num
HJ 4912
Comp
Coord arcsec 2000
17 28 43.99 -82 46 46.6
Date first
1835
Date last
2010
Obs
11
Pa first
124
Pa last
122
P.A. Now (θ)
122°
Sep first
25.0
Sep last
24.7
Sep. Now (ρ)
24.7"
Mag pri
6.62
Mag sec
10.68
delta mag (ΔM)
4.06
Spectral class
B2V (blue-white)
Pri motion ra
+000
Sec motion ra
-008
Pri motion dec
-002
Sec motion dec
-020
Notes
rPM=0.914
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
122
Precise sep
24.71
Constellation
Octans
SAO
258768
HIP
85530
Tycho2
9522-04293-1
HD
155454
CP
CP-82 707
Distance
671.14
Distance ly
2189.26
last precise pa
122
last precise sep
24.71
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17287-8247 HJ 4912 2000 6 123 24.8 6.62 10.68 B2V D 172843.99-824646.6
17287-8247 HJ 4912 2010 11 123 24.7 6.62 10.68 B2V 172843.99-824646.6

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