18572+3704 ES 2030 AC
18h 57m 11.17s +37° 04' 11.8" P.A. 240.00 sep 12.7 mag 11.20,12.20
| Coord 2000 |
18572+3704 |
|
Discov num |
ES 2030 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 57 11.17 +37 04 11.8 |
|
| Date first |
1923 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
231 |
|
Pa last |
240 |
|
P.A. Now (θ) |
240° |
|
| Sep first |
13.6 |
|
Sep last |
12.65 |
|
Sep. Now (ρ) |
12.65" |
|
| Mag pri |
11.20 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
1 |
|
Spectral class |
|
|
| Pri motion ra |
+001 |
|
Sec motion ra |
-009 |
|
| Pri motion dec |
-023 |
|
Sec motion dec |
-010 |
|
| Notes |
|
|
rPM=0.712
Nature of this double is uncertain.
18572+3704 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 57 11 +37 04 12 |
ES 2030 AB |
2015 |
3 |
233 |
2.9 |
11.20 |
14.20 |
3.00 |
|
|
| Show |
|
|
18 57 11 +37 04 12 |
ES 2030 AC |
2015 |
5 |
240 |
12.7 |
11.20 |
12.20 |
1.00 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
Tycho2 |
2651-00423-1 |
|
Gaia DR2 |
2093840335408815744 |
|