18304+0043 HDO 314

 
 
18h 30m 26.50s +00 42' 41.0" P.A. 216 sep 6 mag 9.89,11.90 Sp F8
 
 
Coord 2000
18304+0043
Discov num
HDO 314
Comp
Coord arcsec 2000
18 30 26.50 +00 42 41.0
Date first
1879
Date last
2013
Obs
13
Pa first
216
Pa last
216
P.A. Now (θ)
216°
Sep first
5.6
Sep last
6.0
Sep. Now (ρ)
6"
Mag pri
9.89
Mag sec
11.90
delta mag (ΔM)
2.01
Spectral class
F8 (yellow-white)
Pri motion ra
-098
Sec motion ra
Pri motion dec
-029
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
216.4
Precise sep
6.02
Constellation
Serpens
Tycho2
0446-00217-1
HD
170635
last precise pa
216.4
last precise sep
6.02
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18304+0043 HDO 314 2000 11 217 6.0 9.89 11.90 F8 D 183026.50+004241.0
18304+0043 HDO 314 2013 13 216 6.0 9.89 11.90 F8 183026.50+004241.0

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