21181+1646 J 3238 AC
21h 17m 55.40s +16° 44' 24.4" P.A. 210.00 sep 31.0 mag 12.00,11.98
| Coord 2000 |
21181+1646 |
|
Discov num |
J 3238 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 17 55.40 +16 44 24.4 |
|
| Date first |
1947 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
209 |
|
Pa last |
209.8 |
|
P.A. Now (θ) |
209.8° |
|
| Sep first |
31.6 |
|
Sep last |
31.04 |
|
Sep. Now (ρ) |
31.04" |
|
| Mag pri |
12.00 |
|
Mag sec |
11.98 |
|
delta mag (ΔM) |
0.02 |
|
Spectral class |
|
|
| Pri motion ra |
|
|
Sec motion ra |
-007 |
|
| Pri motion dec |
|
|
Sec motion dec |
-010 |
|
| Notes |
|
|
Nature of this double is uncertain.
21181+1646 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 17 55 +16 44 24 |
J 3238 AB |
2016 |
6 |
341 |
3.8 |
12.00 |
13.00 |
1.00 |
|
|
| Show |
|
|
21 17 55 +16 44 24 |
J 3238 AC |
2015 |
6 |
210 |
31.0 |
12.00 |
11.98 |
0.02 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Gaia DR2 |
1784766860920935424 |
|
