21559+5212 ES 1106 AB
21h 55m 59.75s +52° 13' 11.0" P.A. 11.00 sep 4.8 mag 10.63,11.40
Coord 2000 |
21559+5212 |
|
Discov num |
ES 1106 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 55 59.75 +52 13 11.0 |
|
Date first |
1911 |
|
Date last |
2015 |
|
Obs |
5 |
|
Pa first |
9 |
|
Pa last |
10.7 |
|
P.A. Now (θ) |
10.7° |
|
Sep first |
4.8 |
|
Sep last |
4.815 |
|
Sep. Now (ρ) |
4.815" |
|
Mag pri |
10.63 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
0.77 |
|
Spectral class |
|
|
Pri motion ra |
+003 |
|
Sec motion ra |
|
|
Pri motion dec |
-003 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
21559+5212 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
21 55 60 +52 13 11 |
ES 1106 AB |
2015 |
5 |
11 |
4.8 |
10.63 |
11.40 |
0.77 |
|
<=== |
Show |
|
|
21 55 60 +52 13 11 |
ES 1106 AC |
2015 |
5 |
164 |
10.4 |
10.63 |
12.90 |
2.27 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3616-00196-1 |
|
Gaia DR2 |
1981132246005255552 |
|
ADS |
15469 |
|