21492+5031 STF 2832 BC
21h 49m 13.74s +50° 30' 43.2" P.A. 335.00 sep 51.5 mag 8.32,11.00 Sp A0 dist. 193.05 pc (629.73 l.y.)
| Coord 2000 |
21492+5031 |
|
Discov num |
STF2832 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 49 13.74 +50 30 43.2 |
|
| Date first |
1902 |
|
Date last |
2018 |
|
Obs |
15 |
|
| Pa first |
336 |
|
Pa last |
335.1 |
|
P.A. Now (θ) |
335.1° |
|
| Sep first |
50.3 |
|
Sep last |
51.493 |
|
Sep. Now (ρ) |
51.493" |
|
| Mag pri |
8.32 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
2.68 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+008 |
|
Sec motion ra |
+012 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
+009 |
|
| Notes |
|
|
rPM=0.596
Nature of this double is uncertain.
21492+5031 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 207661 |
33781 |
21 49 14 +50 30 54 |
STF 2832 AB |
2019 |
37 |
213 |
13.2 |
7.77 |
8.32 |
0.55 |
|
|
| Show |
|
|
21 49 14 +50 30 54 |
STF 2832 AC |
2018 |
15 |
321 |
45.8 |
7.77 |
11.00 |
3.23 |
|
|
| Show |
|
|
21 49 14 +50 30 54 |
CTT 10 AD |
2018 |
10 |
104 |
125.2 |
7.77 |
11.37 |
3.60 |
|
|
| Show |
|
33781 |
21 49 14 +50 30 43 |
STF 2832 BC |
2018 |
15 |
335 |
51.5 |
8.32 |
11.00 |
2.68 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
33781 |
|
HIP |
107717 |
|
Tycho2 |
3612-03063-1 |
|
| Gaia DR2 |
1980519581806890880 |
|
HD |
207661 |
|
GC |
30561 |
|
BD |
BD+49 3632 |
|
| Distance |
193.05 |
|
Distance ly |
629.73 |
|
