21288+6537 OSO 147 AC
21h 28m 47.32s +65° 37' 09.8" P.A. 287.00 sep 24.7 mag 10.42,15.60 Sp K3
| Coord 2000 |
21288+6537 |
|
Discov num |
OSO 147 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 28 47.32 +65 37 09.8 |
|
| Date first |
1994 |
|
Date last |
2015 |
|
Obs |
17 |
|
| Pa first |
289 |
|
Pa last |
287.1 |
|
P.A. Now (θ) |
287.1° |
|
| Sep first |
23.1 |
|
Sep last |
24.682 |
|
Sep. Now (ρ) |
24.682" |
|
| Mag pri |
10.42 |
|
Mag sec |
15.60 |
|
delta mag (ΔM) |
5.18 |
|
Spectral class |
K3 (yellow-orange) |
|
| Pri motion ra |
+149 |
|
Sec motion ra |
-012 |
|
| Pri motion dec |
+206 |
|
Sec motion dec |
-005 |
|
| Notes |
N
(See Notes) |
|
rPM=1.044
This double is not physical.
21288+6537 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 28 47 +65 37 10 |
OSO 147 AB |
2015 |
5 |
211 |
23.1 |
10.42 |
18.10 |
7.68 |
|
|
| Show |
|
|
21 28 47 +65 37 10 |
OSO 147 AC |
2015 |
17 |
287 |
24.7 |
10.42 |
15.60 |
5.18 |
|
<=== |
| Show |
|
|
21 28 47 +65 37 10 |
OSO 147 AD |
2014 |
15 |
119 |
22.3 |
10.42 |
18.10 |
7.68 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Tycho2 |
4257-01228-1 |
|
Gaia DR2 |
2220926562268236544 |
|
