16518+5103 ES 971 BC
16h 51m 51.87s +51° 02' 35.6" P.A. 231.00 sep 2.2 mag 12.21,13.40
| Coord 2000 |
16518+5103 |
|
Discov num |
ES 971 |
|
Comp |
BC |
|
Coord arcsec 2000 |
16 51 51.87 +51 02 35.6 |
|
| Date first |
1910 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
229 |
|
Pa last |
231 |
|
P.A. Now (θ) |
231° |
|
| Sep first |
2.1 |
|
Sep last |
2.199 |
|
Sep. Now (ρ) |
2.199" |
|
| Mag pri |
12.21 |
|
Mag sec |
13.40 |
|
delta mag (ΔM) |
1.19 |
|
Spectral class |
|
|
| Pri motion ra |
+009 |
|
Sec motion ra |
|
|
| Pri motion dec |
+002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
16518+5103 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
16 51 49 +51 02 04 |
ES 971 AB |
2015 |
10 |
43 |
45.7 |
10.53 |
12.21 |
1.68 |
|
|
| Show |
|
|
16 51 52 +51 02 36 |
ES 971 BC |
2016 |
4 |
231 |
2.2 |
12.21 |
13.40 |
1.19 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
3506-00553-1 |
|
Gaia DR2 |
1412795407163154304 |
|