20330+3144 ES 365 AB
20h 33m 02.60s +31° 44' 08.3" P.A. 263.00 sep 25.7 mag 8.48,11.80 Sp K2 dist. 436.68 pc (1424.45 l.y.)
| Coord 2000 |
20330+3144 |
|
Discov num |
ES 365 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 33 02.60 +31 44 08.3 |
|
| Date first |
1901 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
263 |
|
Pa last |
263.3 |
|
P.A. Now (θ) |
263.3° |
|
| Sep first |
24.9 |
|
Sep last |
25.681 |
|
Sep. Now (ρ) |
25.681" |
|
| Mag pri |
8.48 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
3.32 |
|
Spectral class |
K2 (yellow-orange) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+008 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
+000 |
|
| Notes |
|
|
rPM=0.625
Nature of this double is uncertain.
20330+3144 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 33 03 +31 44 08 |
ES 365 AB |
2015 |
12 |
263 |
25.7 |
8.48 |
11.80 |
3.32 |
|
<=== |
| Show |
|
|
20 33 03 +31 44 08 |
ES 365 AC |
2015 |
8 |
319 |
33.6 |
8.48 |
11.67 |
3.19 |
|
|
| Show |
|
|
20 33 01 +31 44 34 |
ES 365 CD |
2015 |
4 |
283 |
2.7 |
11.20 |
12.40 |
1.20 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
HIP |
101404 |
|
Tycho2 |
2686-00827-1 |
|
Gaia DR2 |
1863376204247200384 |
|
| ADS |
13995 |
|
BD |
BD+31 4125 |
|
Distance |
436.68 |
|
Distance ly |
1424.45 |
|
