21555+2724 A 303 AB (HD 208416)
21h 55m 29.91s +27° 23' 35.6" P.A. 52.00 sep 2.3 mag 9.22,11.63 Sp G5 dist. 207.47 pc (676.77 l.y.)
Coord 2000 |
21555+2724 |
|
Discov num |
A 303 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 55 29.91 +27 23 35.6 |
|
Date first |
1901 |
|
Date last |
2016 |
|
Obs |
15 |
|
Pa first |
51 |
|
Pa last |
52.3 |
|
P.A. Now (θ) |
52.3° |
|
Sep first |
1.8 |
|
Sep last |
2.3 |
|
Sep. Now (ρ) |
2.3" |
|
Mag pri |
9.22 |
|
Mag sec |
11.63 |
|
delta mag (ΔM) |
2.41 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
-004 |
|
Sec motion ra |
-004 |
|
Pri motion dec |
-024 |
|
Sec motion dec |
-024 |
|
Notes |
|
|
Nature of this double is uncertain.
21555+2724 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 208416 |
90100 |
21 55 30 +27 23 36 |
A 303 AB |
2016 |
15 |
52 |
2.3 |
9.22 |
11.63 |
2.41 |
|
<=== |
Show |
|
90100 |
21 55 30 +27 23 36 |
STJ 1 AC |
2016 |
1 |
337 |
3.4 |
9.22 |
13.30 |
4.08 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 208416 |
|
Constellation |
Pegasus |
|
SAO |
90100 |
|
HIP |
108225 |
|
Tycho2 |
2211-01999-1 |
|
Gaia DR2 |
1799944038395670016 |
|
HD |
208416 |
|
BD |
BD+26 4304 |
|
Distance |
207.47 |
|
Distance ly |
676.77 |
|