18447+4550 ES 22 AB
18h 44m 40.13s +45° 50' 09.4" P.A. 133.00 sep 3.2 mag 10.36,13.50
| Coord 2000 |
18447+4550 |
|
Discov num |
ES 22 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 44 40.13 +45 50 09.4 |
|
| Date first |
1900 |
|
Date last |
2016 |
|
Obs |
6 |
|
| Pa first |
136 |
|
Pa last |
133.3 |
|
P.A. Now (θ) |
133.3° |
|
| Sep first |
2.7 |
|
Sep last |
3.246 |
|
Sep. Now (ρ) |
3.246" |
|
| Mag pri |
10.36 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
3.14 |
|
Spectral class |
|
|
| Pri motion ra |
+009 |
|
Sec motion ra |
|
|
| Pri motion dec |
+032 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
18447+4550 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 44 40 +45 50 09 |
ES 22 AB |
2016 |
6 |
133 |
3.2 |
10.36 |
13.50 |
3.14 |
|
<=== |
| Show |
|
|
18 44 40 +45 50 09 |
HJ 1346 AC |
2015 |
16 |
216 |
28.0 |
10.36 |
11.24 |
0.88 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
Gaia DR2 |
2119029734480998272 |
|
