20204+3840 SEI 1088 AB
20h 20m 18.47s +38° 39' 29.5" P.A. 238.00 sep 4.3 mag 10.30,11.60
| Coord 2000 |
20204+3840 |
|
Discov num |
SEI1088 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 20 18.47 +38 39 29.5 |
|
| Date first |
1896 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
241 |
|
Pa last |
238 |
|
P.A. Now (θ) |
238° |
|
| Sep first |
4.2 |
|
Sep last |
4.317 |
|
Sep. Now (ρ) |
4.317" |
|
| Mag pri |
10.30 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
1.3 |
|
Spectral class |
|
|
| Pri motion ra |
+036 |
|
Sec motion ra |
|
|
| Pri motion dec |
+019 |
|
Sec motion dec |
|
|
| Notes |
R
(Red magnitudes) |
|
Nature of this double is uncertain.
20204+3840 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 20 18 +38 39 30 |
SEI 1088 AB |
2015 |
8 |
238 |
4.3 |
10.30 |
11.60 |
1.30 |
|
<=== |
| Show |
|
|
20 20 18 +38 39 30 |
SEI 1089 AC |
2015 |
11 |
17 |
28.2 |
10.30 |
10.47 |
0.17 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2061287880623328384 |
|
