20184+2435 BKO 638 BC
20h 18m 21.46s +24° 34' 39.2" P.A. 21.00 sep 6.2 mag 12.30,14.90
| Coord 2000 |
20184+2435 |
|
Discov num |
BKO 638 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 18 21.46 +24 34 39.2 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
23 |
|
Pa last |
20.9 |
|
P.A. Now (θ) |
20.9° |
|
| Sep first |
6.2 |
|
Sep last |
6.238 |
|
Sep. Now (ρ) |
6.238" |
|
| Mag pri |
12.30 |
|
Mag sec |
14.90 |
|
delta mag (ΔM) |
2.6 |
|
Spectral class |
|
|
| Pri motion ra |
+022 |
|
Sec motion ra |
|
|
| Pri motion dec |
-009 |
|
Sec motion dec |
|
|
| Notes |
R
(Red magnitudes) |
|
Nature of this double is uncertain.
20184+2435 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 18 21 +24 34 39 |
POU 4351 AB |
2016 |
13 |
88 |
6.8 |
11.70 |
12.30 |
0.60 |
|
|
| Show |
|
|
20 18 21 +24 34 39 |
BKO 638 BC |
2015 |
8 |
21 |
6.2 |
12.30 |
14.90 |
2.60 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Gaia DR2 |
1832175014887299456 |
|
