18273+2856 HO  433

 
 
18h 27m 17.52s +28 55' 44.1" P.A. 328 sep 9.8 mag 8.61,13.00 Sp B8 dist. 314.47 pc (1025.8 l.y.)
 
 
Coord 2000
18273+2856
Discov num
HO  433
Comp
Coord arcsec 2000
18 27 17.52 +28 55 44.1
Date first
1890
Date last
2002
Obs
8
Pa first
327
Pa last
328
P.A. Now (θ)
328°
Sep first
9.1
Sep last
9.8
Sep. Now (ρ)
9.8"
Mag pri
8.61
Mag sec
13.00
delta mag (ΔM)
4.39
Spectral class
B8 (blue-white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
328.1
Precise sep
9.788
Constellation
Lyra
SAO
86075
HIP
90445
Tycho2
2118-02613-1
HD
170263
BD
BD+28 3002
Distance
314.47
Distance ly
1025.8
last precise pa
328.1
last precise sep
9.788
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18273+2856 HO 433 1999 7 328 9.6 8.70 13.00 B8 D 182717.52+285544.1
18273+2856 HO 433 2002 8 328 9.8 8.70 13.00 B8 D 182717.52+285544.1
18273+2856 HO 433 2010 9 328 9.2 8.61 13.00 B8 182717.52+285544.1

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