18114+2519 A 238 (HD 166822)
18h 11m 20.99s +25° 19' 18.6" P.A. 72.00 sep 0.6 mag 8.59,9.55 Sp G0IV dist. 534.76 pc (1744.39 l.y.)
| Coord 2000 |
18114+2519 |
|
Discov num |
A 238 |
|
Comp |
|
|
Coord arcsec 2000 |
18 11 20.99 +25 19 18.6 |
|
| Date first |
1901 |
|
Date last |
2016 |
|
Obs |
28 |
|
| Pa first |
90 |
|
Pa last |
71.6 |
|
P.A. Now (θ) |
71.6° |
|
| Sep first |
0.5 |
|
Sep last |
0.636 |
|
Sep. Now (ρ) |
0.636" |
|
| Mag pri |
8.59 |
|
Mag sec |
9.55 |
|
delta mag (ΔM) |
0.96 |
|
Spectral class |
G0IV (yellow) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+004 |
|
| Pri motion dec |
+007 |
|
Sec motion dec |
+007 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 166822 |
|
Constellation |
Hercules |
|
SAO |
85806 |
|
HIP |
89122 |
|
| Tycho2 |
2096-00789-1 |
|
Gaia DR2 |
4579703600298361344 |
|
HD |
166822 |
|
BD |
BD+25 3452 |
|
| Distance |
534.76 |
|
Distance ly |
1744.39 |
|
