20039+2351 COU 520 AB
20h 03m 55.52s +23° 50' 50.2" P.A. 144.00 sep 1.6 mag 7.44,13.00 Sp K0
| Coord 2000 |
20039+2351 |
|
Discov num |
COU 520 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 03 55.52 +23 50 50.2 |
|
| Date first |
1970 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
150 |
|
Pa last |
144.4 |
|
P.A. Now (θ) |
144.4° |
|
| Sep first |
1.2 |
|
Sep last |
1.574 |
|
Sep. Now (ρ) |
1.574" |
|
| Mag pri |
7.44 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
5.56 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+028 |
|
Sec motion ra |
|
|
| Pri motion dec |
+008 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20039+2351 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
88139 |
20 03 56 +23 50 50 |
GII 288 Aa,Ab |
2014 |
1 |
49 |
0.1 |
8.20 |
8.20 |
0.00 |
|
|
| Show |
|
88139 |
20 03 56 +23 50 50 |
COU 520 AB |
2016 |
4 |
144 |
1.6 |
7.44 |
13.00 |
5.56 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
SAO |
88139 |
|
Tycho2 |
2141-01513-1 |
|
HD |
190384 |
|
