20391+1329 TDT 2453 Aa,Ab
20h 39m 07.13s +13° 29' 01.8" P.A. 117.00 sep 0.5 mag 10.49,10.94
| Coord 2000 |
20391+1329 |
|
Discov num |
TDT2453 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
20 39 07.13 +13 29 01.8 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
117 |
|
Pa last |
117.2 |
|
P.A. Now (θ) |
117.2° |
|
| Sep first |
0.5 |
|
Sep last |
0.5 |
|
Sep. Now (ρ) |
0.5" |
|
| Mag pri |
10.49 |
|
Mag sec |
10.94 |
|
delta mag (ΔM) |
0.45 |
|
Spectral class |
|
|
| Pri motion ra |
+074 |
|
Sec motion ra |
+074 |
|
| Pri motion dec |
+056 |
|
Sec motion dec |
+056 |
|
| Notes |
|
|
Nature of this double is uncertain.
20391+1329 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 39 07 +13 29 02 |
TDT 2453 Aa,Ab |
1991 |
1 |
117 |
0.5 |
10.49 |
10.94 |
0.45 |
|
<=== |
| Show |
|
|
20 39 07 +13 29 02 |
UC 4242 AB |
2015 |
6 |
105 |
45.3 |
9.90 |
15.40 |
5.50 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Tycho2 |
1100-01675-1 |
|
Gaia DR2 |
1756085752220246016 |
|
