21453+2501 BKO 491 AC
21h 45m 18.34s +25° 00' 11.9" P.A. 132.00 sep 5.9 mag 13.60,14.00
| Coord 2000 |
21453+2501 |
|
Discov num |
BKO 491 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 45 18.34 +25 00 11.9 |
|
| Date first |
2001 |
|
Date last |
2015 |
|
Obs |
3 |
|
| Pa first |
132 |
|
Pa last |
131.6 |
|
P.A. Now (θ) |
131.6° |
|
| Sep first |
5.6 |
|
Sep last |
5.886 |
|
Sep. Now (ρ) |
5.886" |
|
| Mag pri |
13.60 |
|
Mag sec |
14.00 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
|
|
| Pri motion ra |
-013 |
|
Sec motion ra |
|
|
| Pri motion dec |
-003 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21453+2501 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 45 18 +25 00 12 |
POU 5486 AB |
2015 |
5 |
116 |
8.2 |
13.60 |
13.80 |
0.20 |
|
|
| Show |
|
|
21 45 18 +25 00 12 |
BKO 491 AC |
2015 |
3 |
132 |
5.9 |
13.60 |
14.00 |
0.40 |
|
<=== |
| Show |
|
|
21 45 19 +25 00 08 |
BKO 491 BC |
2016 |
1 |
263 |
3.1 |
14.50 |
14.58 |
0.08 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Gaia DR2 |
1799203208076470144 |
|
