18543+4259 OSO 105

 
 
18h 54m 16.95s +42 59' 00.3" P.A. 67 sep 17.3 mag 9.95,17.50 Sp G2 dist. 490.2 pc (1599.03 l.y.)
 
 
Coord 2000
18543+4259
Discov num
OSO 105
Comp
Coord arcsec 2000
18 54 16.95 +42 59 00.3
Date first
1994
Date last
1998
Obs
2
Pa first
65
Pa last
67
P.A. Now (θ)
67°
Sep first
17.9
Sep last
17.3
Sep. Now (ρ)
17.3"
Mag pri
9.95
Mag sec
17.50
delta mag (ΔM)
7.55
Spectral class
G2 (yellow)
Pri motion ra
+039
Sec motion ra
Pri motion dec
+254
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
67.1
Precise sep
17.34
Constellation
Lyra
HIP
92775
Tycho2
3127-00967-1
BD
BD+42 3187
Distance
490.2
Distance ly
1599.03
last precise pa
67.1
last precise sep
17.34
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18543+4259 OSO 105 1998 2 67 17.3 9.95 17.50 N D 185416.95+425900.3

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