21207+3327 BU 446 AB
21h 20m 44.34s +33° 26' 49.2" P.A. 258.00 sep 3.2 mag 9.27,12.30 Sp A5
| Coord 2000 |
21207+3327 |
|
Discov num |
BU 446 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 20 44.34 +33 26 49.2 |
|
| Date first |
1876 |
|
Date last |
2016 |
|
Obs |
13 |
|
| Pa first |
262 |
|
Pa last |
258.4 |
|
P.A. Now (θ) |
258.4° |
|
| Sep first |
2.3 |
|
Sep last |
3.155 |
|
Sep. Now (ρ) |
3.155" |
|
| Mag pri |
9.27 |
|
Mag sec |
12.30 |
|
delta mag (ΔM) |
3.03 |
|
Spectral class |
A5 (white) |
|
| Pri motion ra |
-024 |
|
Sec motion ra |
|
|
| Pri motion dec |
-022 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21207+3327 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 20 44 +33 26 49 |
BU 446 AB |
2016 |
13 |
258 |
3.2 |
9.27 |
12.30 |
3.03 |
|
<=== |
| Show |
|
|
21 20 44 +33 26 49 |
BU 446 AC |
2015 |
10 |
214 |
70.8 |
9.27 |
11.00 |
1.73 |
|
|
| Show |
|
|
21 20 44 +33 26 49 |
FOX 9035 AD |
2015 |
4 |
109 |
74.2 |
9.27 |
12.97 |
3.70 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2707-00051-1 |
|
Gaia DR2 |
1855010363861035520 |
|
