18543+4259 OSO 105
18h 54m 16.95s +42° 59' 00.3" P.A. 81.00 sep 15.6 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 |
2014 |
|
Obs |
10 |
|
Pa first |
65 |
|
Pa last |
81.1 |
|
P.A. Now (θ) |
81.1° |
|
Sep first |
17.9 |
|
Sep last |
15.602 |
|
Sep. Now (ρ) |
15.602" |
|
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
Constellation |
Lyra |
|
HIP |
92775 |
|
Tycho2 |
3127-00967-1 |
|
Gaia DR2 |
2104987557947509888 |
|
BD |
BD+42 3187 |
|
Distance |
490.2 |
|
Distance ly |
1599.03 |
|