15359-4457 HJ 4788 (d Lup)

 
 
15h 35m 53.25s -44 57' 30.0" P.A. 12 sep 2.1 mag 4.68,6.51 Sp B3V dist. 131.23 pc (428.07 l.y.)
 
 
Coord 2000
15359-4457
Discov num
HJ 4788
Comp
Coord arcsec 2000
15 35 53.25 -44 57 30.0
Date first
1836
Date last
2016
Obs
44
Pa first
349
Pa last
12
P.A. Now (θ)
12°
Sep first
3.1
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
4.68
Mag sec
6.51
delta mag (ΔM)
1.83
Spectral class
B3V (blue-white)
Pri motion ra
-021
Sec motion ra
-021
Pri motion dec
-025
Sec motion dec
-025
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
12.3
Precise sep
2.09
Other name
d Lup
Cdsa2 id
HJ 4788
Constellation
Lupus
SAO
225950
HIP
76371
Tycho2
7848-02378-1
HD
138769
HR
5781
GC
20943
CD
CD-4410239
CP
CP-44 7483
Ra deg
15.598125000000001
De deg
-44.958333333333336
Distance
131.23
Distance ly
428.07
last precise pa
12.3
last precise sep
2.09
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15359-4457 HJ 4788 1995 41 9 2.1 4.68 6.51 B3V N D 153553.25-445730.0
15359-4457 HJ 4788 2010 42 10 2.1 4.68 6.51 B3V N D 153553.25-445730.0
15359-4457 HJ 4788 2016 44 12 2.1 4.68 6.51 B3V N 153553.25-445730.0

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