20477+2339 POU 4997 AB
20h 47m 43.98s +23° 38' 51.4" P.A. 195.00 sep 12.7 mag 12.70,13.80
| Coord 2000 |
20477+2339 |
|
Discov num |
POU4997 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 47 43.98 +23 38 51.4 |
|
| Date first |
1899 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
198 |
|
Pa last |
195.3 |
|
P.A. Now (θ) |
195.3° |
|
| Sep first |
8.3 |
|
Sep last |
12.735 |
|
Sep. Now (ρ) |
12.735" |
|
| Mag pri |
12.70 |
|
Mag sec |
13.80 |
|
delta mag (ΔM) |
1.1 |
|
Spectral class |
|
|
| Pri motion ra |
-012 |
|
Sec motion ra |
-018 |
|
| Pri motion dec |
-016 |
|
Sec motion dec |
-050 |
|
| Notes |
|
|
rPM=0.65
Nature of this double is uncertain.
20477+2339 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 47 44 +23 38 51 |
POU 4997 AB |
2015 |
5 |
195 |
12.7 |
12.70 |
13.80 |
1.10 |
|
<=== |
| Show |
|
|
20 47 44 +23 38 51 |
BKO 855 AC |
2013 |
3 |
233 |
2.6 |
12.70 |
12.80 |
0.10 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Gaia DR2 |
1842417347940397056 |
|
