20391+1329 UC 4242 AB
20h 39m 07.13s +13° 29' 01.8" P.A. 105.00 sep 45.3 mag 9.90,15.40
| Coord 2000 |
20391+1329 |
|
Discov num |
UC 4242 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 39 07.13 +13 29 01.8 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
105 |
|
Pa last |
105 |
|
P.A. Now (θ) |
105° |
|
| Sep first |
45.1 |
|
Sep last |
45.25 |
|
Sep. Now (ρ) |
45.25" |
|
| Mag pri |
9.90 |
|
Mag sec |
15.40 |
|
delta mag (ΔM) |
5.5 |
|
Spectral class |
|
|
| Pri motion ra |
+074 |
|
Sec motion ra |
+071 |
|
| Pri motion dec |
+056 |
|
Sec motion dec |
+055 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.034 (< 0.3, Physical double)
This double is physical.
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 |
|
