21200+5436 TDT 2908 Aa,Ab
21h 19m 58.57s +54° 35' 33.1" P.A. 295.00 sep 0.3 mag 10.98,11.04 Sp G0:
| Coord 2000 |
21200+5436 |
|
Discov num |
TDT2908 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
21 19 58.57 +54 35 33.1 |
|
| Date first |
1991 |
|
Date last |
2016 |
|
Obs |
3 |
|
| Pa first |
283 |
|
Pa last |
295.4 |
|
P.A. Now (θ) |
295.4° |
|
| Sep first |
0.5 |
|
Sep last |
0.306 |
|
Sep. Now (ρ) |
0.306" |
|
| Mag pri |
10.98 |
|
Mag sec |
11.04 |
|
delta mag (ΔM) |
0.06 |
|
Spectral class |
G0: (yellow) |
|
| Pri motion ra |
+026 |
|
Sec motion ra |
+026 |
|
| Pri motion dec |
+014 |
|
Sec motion dec |
+014 |
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
21200+5436 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 19 59 +54 35 33 |
TDT 2908 Aa,Ab |
2016 |
3 |
295 |
0.3 |
10.98 |
11.04 |
0.06 |
|
<=== |
| Show |
|
|
21 19 59 +54 35 33 |
SKF 1978 AB |
2016 |
13 |
298 |
31.8 |
10.33 |
10.48 |
0.15 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3957-01556-1 |
|
