20493+3314 ES 31 AC
20h 49m 16.21s +33° 13' 47.2" P.A. 143.00 sep 18.7 mag 9.62,9.50 Sp K
| Coord 2000 |
20493+3314 |
|
Discov num |
ES 31 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 49 16.21 +33 13 47.2 |
|
| Date first |
1892 |
|
Date last |
2015 |
|
Obs |
16 |
|
| Pa first |
141 |
|
Pa last |
143 |
|
P.A. Now (θ) |
143° |
|
| Sep first |
17.9 |
|
Sep last |
18.665 |
|
Sep. Now (ρ) |
18.665" |
|
| Mag pri |
9.62 |
|
Mag sec |
9.50 |
|
delta mag (ΔM) |
0.12 |
|
Spectral class |
K (yellow-orange) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
-007 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
-004 |
|
| Notes |
N
(See Notes) |
|
rPM=1.277
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
| Constellation |
Cygnus |
|
Tycho2 |
2691-03115-1 |
|
Gaia DR2 |
1869010445422735360 |
|
