20493+3314 ES 31 AB (V1862 Cyg)
20h 49m 16.21s +33° 13' 47.2" P.A. 238.00 sep 13.8 mag 9.62,10.92 Sp K dist. 1408.45 pc (4594.36 l.y.)
| Coord 2000 |
20493+3314 |
|
Discov num |
ES 31 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 49 16.21 +33 13 47.2 |
|
| Date first |
1892 |
|
Date last |
2015 |
|
Obs |
24 |
|
| Pa first |
245 |
|
Pa last |
237.7 |
|
P.A. Now (θ) |
237.7° |
|
| Sep first |
9.8 |
|
Sep last |
13.846 |
|
Sep. Now (ρ) |
13.846" |
|
| Mag pri |
9.62 |
|
Mag sec |
10.92 |
|
delta mag (ΔM) |
1.3 |
|
Spectral class |
K (yellow-orange) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
-025 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
-022 |
|
| Notes |
N
L
(See Notes, Linear solution) |
|
rPM=1.065
This double is not physical.
20493+3314 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
V1862 Cyg |
|
20 49 16 +33 13 47 |
ES 31 AB |
2015 |
24 |
238 |
13.8 |
9.62 |
10.92 |
1.30 |
|
<=== |
| Show |
|
|
20 49 16 +33 13 47 |
ES 31 AC |
2015 |
16 |
143 |
18.7 |
9.62 |
9.50 |
0.12 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
V1862 Cyg |
|
Constellation |
Cygnus |
|
HIP |
102764 |
|
Tycho2 |
2691-03115-1 |
|
| Gaia DR2 |
1869010445422735360 |
|
BD |
BD+32 3954 |
|
Distance |
1408.45 |
|
Distance ly |
4594.36 |
|
