18090-1825 HJ 2819

 
 
18h 09m 02.91s -18 24' 29.4" P.A. 114 sep 23.2 mag 10.12,11.40 Sp B7/8Ib
 
 
Coord 2000
18090-1825
Discov num
HJ 2819
Comp
Coord arcsec 2000
18 09 02.91 -18 24 29.4
Date first
1830
Date last
2010
Obs
8
Pa first
115
Pa last
114
P.A. Now (θ)
114°
Sep first
15.0
Sep last
23.2
Sep. Now (ρ)
23.2"
Mag pri
10.12
Mag sec
11.40
delta mag (ΔM)
1.28
Spectral class
B7/8Ib (blue-white)
Pri motion ra
+001
Sec motion ra
-013
Pri motion dec
+005
Sec motion dec
+000
Notes
rPM=1.144
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
113.5
Precise sep
23.19
Constellation
Sagittarius
Tycho2
6268-01185-1
HD
165890
last precise pa
113.5
last precise sep
23.19
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18090-1825 HJ 2819 1999 6 113 23.5 10.12 11.40 B7/8Ib D 180902.91-182429.4
18090-1825 HJ 2819 2010 8 113 23.3 10.12 11.40 B7/8Ib 180902.91-182429.4

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