18306+2805 ES 476 AB
18h 30m 36.44s +28° 04' 52.1" P.A. 347.00 sep 2.8 mag 11.00,11.60 Sp F5
Coord 2000 |
18306+2805 |
|
Discov num |
ES 476 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 30 36.44 +28 04 52.1 |
|
Date first |
1907 |
|
Date last |
2018 |
|
Obs |
11 |
|
Pa first |
348 |
|
Pa last |
346.5 |
|
P.A. Now (θ) |
346.5° |
|
Sep first |
2.5 |
|
Sep last |
2.773 |
|
Sep. Now (ρ) |
2.773" |
|
Mag pri |
11.00 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
F5 (yellow-white) |
|
Pri motion ra |
+006 |
|
Sec motion ra |
+018 |
|
Pri motion dec |
-038 |
|
Sec motion dec |
+021 |
|
Notes |
N
(See Notes) |
|
rPM=1.565
This double is not physical.
18306+2805 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
18 30 36 +28 04 52 |
ES 476 AB |
2018 |
11 |
347 |
2.8 |
11.00 |
11.60 |
0.60 |
|
<=== |
Show |
|
|
18 30 36 +28 04 52 |
ES 476 AC |
2018 |
6 |
325 |
28.9 |
11.00 |
12.00 |
1.00 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
Tycho2 |
2114-00090-1 |
|
Gaia DR2 |
4587202303959146368 |
|
ADS |
11413 |
|