16510-3731 HJ 4889

 
 
16h 51m 00.03s -37 30' 52.5" P.A. 5 sep 6.7 mag 6.23,7.77 Sp B9pSi dist. 341.3 pc (1113.32 l.y.)
 
 
Coord 2000
16510-3731
Discov num
HJ 4889
Comp
Coord arcsec 2000
16 51 00.03 -37 30 52.5
Date first
1834
Date last
2016
Obs
28
Pa first
7
Pa last
5
P.A. Now (θ)
Sep first
4.0
Sep last
6.7
Sep. Now (ρ)
6.7"
Mag pri
6.23
Mag sec
7.77
delta mag (ΔM)
1.54
Spectral class
B9pSi (blue-white)
Pri motion ra
-011
Sec motion ra
-010
Pri motion dec
-047
Sec motion dec
-014
Notes
rPM=0.684
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
4.7
Precise sep
6.7
Constellation
Scorpius
SAO
208089
HIP
82453
Tycho2
7868-00448-1
HD
151771
HR
6244
CD
CD-3711023
CP
CP-37 6755
Distance
341.3
Distance ly
1113.32
last precise pa
4.7
last precise sep
6.7
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16510-3731 HJ 4889 1999 25 4 6.8 6.23 7.77 B9pSi D 165100.03-373052.5
16510-3731 HJ 4889 2008 26 5 6.6 6.23 7.77 B9pSi D 165100.03-373052.5
16510-3731 HJ 4889 2016 28 5 6.7 6.23 7.77 B9pSi 165100.03-373052.5

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