18558+5240 ES 650 AB
18h 55m 46.13s +52° 40' 15.8" P.A. 329.00 sep 4.6 mag 10.29,13.50 Sp G5
Coord 2000 |
18558+5240 |
|
Discov num |
ES 650 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 55 46.13 +52 40 15.8 |
|
Date first |
1908 |
|
Date last |
2015 |
|
Obs |
3 |
|
Pa first |
330 |
|
Pa last |
328.9 |
|
P.A. Now (θ) |
328.9° |
|
Sep first |
3.2 |
|
Sep last |
4.587 |
|
Sep. Now (ρ) |
4.587" |
|
Mag pri |
10.29 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
3.21 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
+006 |
|
Sec motion ra |
|
|
Pri motion dec |
-022 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
18558+5240 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
31269 |
18 55 46 +52 40 16 |
ES 650 AB |
2015 |
3 |
329 |
4.6 |
10.29 |
13.50 |
3.21 |
|
<=== |
Show |
HD 234755 |
31269 |
18 55 46 +52 40 16 |
ES 650 AC |
2015 |
9 |
197 |
26.7 |
10.29 |
11.61 |
1.32 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
|
SAO |
31269 |
|
Tycho2 |
3919-01615-1 |
|
Gaia DR2 |
2146147608231236480 |
|
HD |
234755 |
|