18439+1601 OSO 103 AD
18h 43m 52.50s +16° 00' 34.2" P.A. 25.00 sep 14.1 mag 12.61,17.80
Coord 2000 |
18439+1601 |
|
Discov num |
OSO 103 |
|
Comp |
AD |
|
Coord arcsec 2000 |
18 43 52.50 +16 00 34.2 |
|
Date first |
1995 |
|
Date last |
1999 |
|
Obs |
4 |
|
Pa first |
26 |
|
Pa last |
24.6 |
|
P.A. Now (θ) |
24.6° |
|
Sep first |
12.7 |
|
Sep last |
14.06 |
|
Sep. Now (ρ) |
14.06" |
|
Mag pri |
12.61 |
|
Mag sec |
17.80 |
|
delta mag (ΔM) |
5.19 |
|
Spectral class |
|
|
Pri motion ra |
-160 |
|
Sec motion ra |
|
|
Pri motion dec |
-276 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
18439+1601 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
18 43 52 +16 00 34 |
OSO 103 AB |
1996 |
3 |
121 |
5.0 |
12.61 |
18.30 |
5.69 |
|
|
Show |
|
|
18 43 52 +16 00 34 |
OSO 103 AC |
1999 |
4 |
44 |
8.9 |
12.61 |
17.00 |
4.39 |
|
|
Show |
|
|
18 43 52 +16 00 34 |
OSO 103 AD |
1999 |
4 |
25 |
14.1 |
12.61 |
17.80 |
5.19 |
|
<=== |
Show |
|
|
18 43 52 +16 00 34 |
OSO 103 AE |
2001 |
5 |
150 |
16.4 |
12.61 |
15.00 |
2.39 |
|
|
Show |
|
|
18 43 52 +16 00 34 |
OSO 103 AF |
2001 |
5 |
233 |
17.4 |
12.61 |
13.30 |
0.69 |
|
|
Sextuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Gaia DR2 |
4510800466460681344 |
|