21177+1636 J 850 AB
21h 17m 39.02s +16° 34' 44.2" P.A. 236.00 sep 2.4 mag 9.60,12.50
Coord 2000 |
21177+1636 |
|
Discov num |
J 850 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 17 39.02 +16 34 44.2 |
|
Date first |
1912 |
|
Date last |
2008 |
|
Obs |
11 |
|
Pa first |
245 |
|
Pa last |
235.8 |
|
P.A. Now (θ) |
235.8° |
|
Sep first |
1.6 |
|
Sep last |
2.43 |
|
Sep. Now (ρ) |
2.43" |
|
Mag pri |
9.60 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
2.9 |
|
Spectral class |
|
|
Pri motion ra |
+029 |
|
Sec motion ra |
|
|
Pri motion dec |
+002 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
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 |
|