21082+3449 ES 2255 AB
21h 08m 11.01s +34° 49' 27.2" P.A. 249.00 sep 5.0 mag 10.67,11.70
| Coord 2000 |
21082+3449 |
|
Discov num |
ES 2255 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 08 11.01 +34 49 27.2 |
|
| Date first |
1926 |
|
Date last |
2018 |
|
Obs |
11 |
|
| Pa first |
249 |
|
Pa last |
249.1 |
|
P.A. Now (θ) |
249.1° |
|
| Sep first |
4.3 |
|
Sep last |
4.951 |
|
Sep. Now (ρ) |
4.951" |
|
| Mag pri |
10.67 |
|
Mag sec |
11.70 |
|
delta mag (ΔM) |
1.03 |
|
Spectral class |
|
|
| Pri motion ra |
+023 |
|
Sec motion ra |
-037 |
|
| Pri motion dec |
-012 |
|
Sec motion dec |
-035 |
|
| Notes |
|
|
rPM=1.262
This double is not physical.
21082+3449 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 08 11 +34 49 27 |
TDT 2776 Aa,Ab |
1991 |
1 |
103 |
0.5 |
11.34 |
11.48 |
0.14 |
|
|
| Show |
|
|
21 08 11 +34 49 27 |
ES 2255 AB |
2018 |
11 |
249 |
5.0 |
10.67 |
11.70 |
1.03 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2709-01039-1 |
|
Gaia DR2 |
1867161749749301888 |
|
