21177+1636 J 850 AC
21h 17m 39.02s +16° 34' 44.2" P.A. 331.00 sep 12.4 mag 9.60,9.60
| Coord 2000 |
21177+1636 |
|
Discov num |
J 850 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 17 39.02 +16 34 44.2 |
|
| Date first |
1912 |
|
Date last |
2016 |
|
Obs |
16 |
|
| Pa first |
340 |
|
Pa last |
330.5 |
|
P.A. Now (θ) |
330.5° |
|
| Sep first |
13.2 |
|
Sep last |
12.438 |
|
Sep. Now (ρ) |
12.438" |
|
| Mag pri |
9.60 |
|
Mag sec |
9.60 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
| Pri motion ra |
+029 |
|
Sec motion ra |
-014 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
-008 |
|
| Notes |
|
|
rPM=1.519
This double is not physical.
21177+1636 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 17 39 +16 34 44 |
J 850 AB |
2008 |
11 |
236 |
2.4 |
9.60 |
12.50 |
2.90 |
|
|
| Show |
|
|
21 17 39 +16 34 44 |
J 850 AC |
2016 |
16 |
331 |
12.4 |
9.60 |
9.60 |
0.00 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Gaia DR2 |
1784666629269585152 |
|
