18061-0819 HDS2551

 
 
18h 06m 07.40s -08 19' 26.1" P.A. 64 sep 0.4 mag 6.10,7.81 Sp B8III-IV dist. 158.73 pc (517.78 l.y.)
 
 
Coord 2000
18061-0819
Discov num
HDS2551
Comp
Coord arcsec 2000
18 06 07.40 -08 19 26.1
Date first
1991
Date last
1996
Obs
3
Pa first
62
Pa last
64
P.A. Now (θ)
64°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
6.10
Mag sec
7.81
delta mag (ΔM)
1.71
Spectral class
B8III-IV (blue-white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-017
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
64.4
Precise sep
0.355
Constellation
Serpens
SAO
142083
HIP
88670
Tycho2
5675-00663-1
HD
165402
HR
6755
BD
BD-08 4558
Distance
158.73
Distance ly
517.78
last precise pa
64.4
last precise sep
0.355
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18061-0819 HDS2551 1996 3 64 0.4 6.10 7.81 B8III-IV 180607.40-081926.1
18061-0819 HDS2551 2003 4 77 0.3 6.10 7.81 B8III-IV D 180607.40-081926.1

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