20249+1309 J 841 AB
20h 24m 56.07s +13° 08' 58.0" P.A. 133.00 sep 0.2 mag 10.40,11.40 Sp F8
| Coord 2000 |
20249+1309 |
|
Discov num |
J 841 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 24 56.07 +13 08 58.0 |
|
| Date first |
1912 |
|
Date last |
2013 |
|
Obs |
4 |
|
| Pa first |
230 |
|
Pa last |
132.8 |
|
P.A. Now (θ) |
132.8° |
|
| Sep first |
0.7 |
|
Sep last |
0.154 |
|
Sep. Now (ρ) |
0.154" |
|
| Mag pri |
10.40 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
1 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
-021 |
|
Sec motion ra |
|
|
| Pri motion dec |
-013 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
20249+1309 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 24 56 +13 08 58 |
J 841 AB |
2013 |
4 |
133 |
0.2 |
10.40 |
11.40 |
1.00 |
|
<=== |
| Show |
|
|
20 24 56 +13 08 58 |
J 841 AB,C |
2018 |
21 |
82 |
8.4 |
10.00 |
10.70 |
0.70 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Tycho2 |
1086-01442-1 |
|
Gaia DR2 |
1804015147699315456 |
|
ADS |
13827 |
|