20170+1716 OSO 123 AB
20h 17m 01.33s +17° 15' 45.9" P.A. 264.00 sep 10.0 mag 10.61,18.30 Sp K5
Coord 2000 |
20170+1716 |
|
Discov num |
OSO 123 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 17 01.33 +17 15 45.9 |
|
Date first |
1994 |
|
Date last |
1994 |
|
Obs |
2 |
|
Pa first |
263 |
|
Pa last |
264 |
|
P.A. Now (θ) |
264° |
|
Sep first |
9.6 |
|
Sep last |
10 |
|
Sep. Now (ρ) |
10" |
|
Mag pri |
10.61 |
|
Mag sec |
18.30 |
|
delta mag (ΔM) |
7.69 |
|
Spectral class |
K5 (yellow-orange) |
|
Pri motion ra |
-201 |
|
Sec motion ra |
|
|
Pri motion dec |
-208 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
20170+1716 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 17 01 +17 15 46 |
OSO 123 AB |
1994 |
2 |
264 |
10.0 |
10.61 |
18.30 |
7.69 |
|
<=== |
Show |
|
|
20 17 01 +17 15 46 |
OSO 123 AC |
2015 |
11 |
349 |
17.9 |
10.61 |
14.20 |
3.59 |
|
|
Show |
|
|
20 17 01 +17 15 46 |
OSO 123 AD |
2015 |
11 |
99 |
21.1 |
10.61 |
13.30 |
2.69 |
|
|
Show |
|
|
20 17 01 +17 15 46 |
OSO 123 AE |
2014 |
8 |
44 |
26.2 |
10.61 |
18.30 |
7.69 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagitta |
|
Tycho2 |
1635-00284-1 |
|
Gaia DR2 |
1809167910169472256 |
|
HD |
351944 |
|