20420+2317 BKO 842 AD
20h 41m 59.65s +23° 17' 08.3" P.A. 12.00 sep 14.8 mag 12.58,14.80
| Coord 2000 |
20420+2317 |
|
Discov num |
BKO 842 |
|
Comp |
AD |
|
Coord arcsec 2000 |
20 41 59.65 +23 17 08.3 |
|
| Date first |
2001 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
12 |
|
Pa last |
12 |
|
P.A. Now (θ) |
12° |
|
| Sep first |
14.9 |
|
Sep last |
14.815 |
|
Sep. Now (ρ) |
14.815" |
|
| Mag pri |
12.58 |
|
Mag sec |
14.80 |
|
delta mag (ΔM) |
2.22 |
|
Spectral class |
|
|
| Pri motion ra |
+002 |
|
Sec motion ra |
+013 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
+015 |
|
| Notes |
|
|
rPM=1.02
This double is not physical.
20420+2317 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 41 60 +23 17 08 |
POU 4884 AB |
2014 |
5 |
287 |
6.5 |
12.58 |
13.40 |
0.82 |
|
|
| Show |
|
|
20 41 60 +23 17 08 |
POU 4885 AC |
2015 |
7 |
227 |
20.1 |
12.58 |
13.50 |
0.92 |
|
|
| Show |
|
|
20 41 60 +23 17 08 |
BKO 842 AD |
2015 |
6 |
12 |
14.8 |
12.58 |
14.80 |
2.22 |
|
<=== |
| Show |
|
|
20 41 60 +23 17 08 |
BKO 842 AE |
2015 |
6 |
96 |
21.8 |
12.58 |
14.50 |
1.92 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Tycho2 |
2170-00163-1 |
|
Gaia DR2 |
1819080797762499328 |
|
