20565+2450 BKO 764 AC
20h 56m 30.00s +24° 49' 59.5" P.A. 313.00 sep 9.7 mag 12.50,13.30
| Coord 2000 |
20565+2450 |
|
Discov num |
BKO 764 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 56 30.00 +24 49 59.5 |
|
| Date first |
1997 |
|
Date last |
2016 |
|
Obs |
3 |
|
| Pa first |
312 |
|
Pa last |
312.5 |
|
P.A. Now (θ) |
312.5° |
|
| Sep first |
9.8 |
|
Sep last |
9.711 |
|
Sep. Now (ρ) |
9.711" |
|
| Mag pri |
12.50 |
|
Mag sec |
13.30 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
|
|
| Pri motion ra |
+007 |
|
Sec motion ra |
|
|
| Pri motion dec |
-039 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20565+2450 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 56 30 +24 49 60 |
BKO 764 AB |
2016 |
5 |
95 |
3.5 |
12.50 |
13.00 |
0.50 |
|
|
| Show |
|
|
20 56 30 +24 49 60 |
BKO 764 AC |
2016 |
3 |
313 |
9.7 |
12.50 |
13.30 |
0.80 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
