20490+2540 HDS 2966 (HD 198366)
20h 48m 59.70s +25° 40' 20.7" P.A. 229.00 sep 0.5 mag 8.00,11.56 Sp B9 dist. 340.14 pc (1109.54 l.y.)
| Coord 2000 |
20490+2540 |
|
Discov num |
HDS2966 |
|
Comp |
|
|
Coord arcsec 2000 |
20 48 59.70 +25 40 20.7 |
|
| Date first |
1991 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
226 |
|
Pa last |
229.4 |
|
P.A. Now (θ) |
229.4° |
|
| Sep first |
0.5 |
|
Sep last |
0.518 |
|
Sep. Now (ρ) |
0.518" |
|
| Mag pri |
8.00 |
|
Mag sec |
11.56 |
|
delta mag (ΔM) |
3.56 |
|
Spectral class |
B9 (blue-white) |
|
| Pri motion ra |
+017 |
|
Sec motion ra |
|
|
| Pri motion dec |
+008 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 198366 |
|
Constellation |
Vulpecula |
|
SAO |
89161 |
|
HIP |
102728 |
|
| Tycho2 |
2175-01805-1 |
|
Gaia DR2 |
1843793622967665408 |
|
HD |
198366 |
|
BD |
BD+25 4383 |
|
| Distance |
340.14 |
|
Distance ly |
1109.54 |
|
