18085-4546 HJ 5015

 
 
18h 08m 30.11s -45 46' 01.3" P.A. 258 sep 4.3 mag 6.15,9.55 Sp B7-8II dist. 271.74 pc (886.42 l.y.)
 
 
Coord 2000
18085-4546
Discov num
HJ 5015
Comp
Coord arcsec 2000
18 08 30.11 -45 46 01.3
Date first
1836
Date last
2016
Obs
12
Pa first
263
Pa last
258
P.A. Now (θ)
258°
Sep first
3.0
Sep last
4.3
Sep. Now (ρ)
4.3"
Mag pri
6.15
Mag sec
9.55
delta mag (ΔM)
3.4
Spectral class
B7-8II (blue-white)
Pri motion ra
+000
Sec motion ra
-003
Pri motion dec
-019
Sec motion dec
-017
Notes
rPM=0.19 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
258.2
Precise sep
4.33
Constellation
Ara
SAO
228734
HIP
88859
Tycho2
8357-01520-1
HD
165493
HR
6759
CD
CD-4512215
CP
CP-45 9095
Distance
271.74
Distance ly
886.42
last precise pa
258.2
last precise sep
4.33
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18085-4546 HJ 5015 1999 10 259 3.5 6.15 9.55 B7-8II D 180830.11-454601.3
18085-4546 HJ 5015 2011 11 257 4.0 6.15 9.55 B7-8II 180830.11-454601.3
18085-4546 HJ 5015 2016 12 258 4.3 6.15 9.55 B7-8II 180830.11-454601.3

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