18517+5116 ES 788 (HD 234730)
18h 51m 39.23s +51° 15' 50.7" P.A. 317.00 sep 3.3 mag 9.41,11.99 Sp G5 dist. 228.83 pc (746.44 l.y.)
| Coord 2000 |
18517+5116 |
|
Discov num |
ES 788 |
|
Comp |
|
|
Coord arcsec 2000 |
18 51 39.23 +51 15 50.7 |
|
| Date first |
1909 |
|
Date last |
2020 |
|
Obs |
13 |
|
| Pa first |
317 |
|
Pa last |
317.3 |
|
P.A. Now (θ) |
317.3° |
|
| Sep first |
3.1 |
|
Sep last |
3.28 |
|
Sep. Now (ρ) |
3.28" |
|
| Mag pri |
9.41 |
|
Mag sec |
11.99 |
|
delta mag (ΔM) |
2.58 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+018 |
|
Sec motion ra |
+016 |
|
| Pri motion dec |
+020 |
|
Sec motion dec |
+025 |
|
| Notes |
|
|
rPM=0.181 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 234730 |
|
Constellation |
Draco |
|
SAO |
31216 |
|
HIP |
92556 |
|
| Tycho2 |
3552-00978-1 |
|
Gaia DR2 |
2144499440301348480 |
|
HD |
234730 |
|
BD |
BD+51 2441 |
|
| Distance |
228.83 |
|
Distance ly |
746.44 |
|