21531+1731 DAM 240 BC
21h 53m 07.47s +17° 32' 43.5" P.A. 73.00 sep 8.7 mag 11.50,15.10
| Coord 2000 |
21531+1731 |
|
Discov num |
DAM 240 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 53 07.47 +17 32 43.5 |
|
| Date first |
1999 |
|
Date last |
2015 |
|
Obs |
3 |
|
| Pa first |
78 |
|
Pa last |
73 |
|
P.A. Now (θ) |
73° |
|
| Sep first |
8.9 |
|
Sep last |
8.666 |
|
Sep. Now (ρ) |
8.666" |
|
| Mag pri |
11.50 |
|
Mag sec |
15.10 |
|
delta mag (ΔM) |
3.6 |
|
Spectral class |
|
|
| Pri motion ra |
-005 |
|
Sec motion ra |
|
|
| Pri motion dec |
+011 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21531+1731 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 53 08 +17 32 39 |
J 3150 AB |
2015 |
6 |
335 |
4.6 |
11.50 |
11.50 |
0.00 |
|
|
| Show |
|
|
21 53 07 +17 32 44 |
DAM 240 BC |
2015 |
3 |
73 |
8.7 |
11.50 |
15.10 |
3.60 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Gaia DR2 |
1773198005731717376 |
|
