20126+0052 STF 2644 (HD 191984)
20h 12m 35.09s +00° 52' 00.2" P.A. 205.00 sep 2.6 mag 6.92,7.06 Sp B9p dist. 180.51 pc (588.82 l.y.)
| Coord 2000 |
20126+0052 |
|
Discov num |
STF2644 |
|
Comp |
|
|
Coord arcsec 2000 |
20 12 35.09 +00 52 00.2 |
|
| Date first |
1783 |
|
Date last |
2019 |
|
Obs |
183 |
|
| Pa first |
214 |
|
Pa last |
204.9 |
|
P.A. Now (θ) |
204.9° |
|
| Sep first |
3.0 |
|
Sep last |
2.612 |
|
Sep. Now (ρ) |
2.612" |
|
| Mag pri |
6.92 |
|
Mag sec |
7.06 |
|
delta mag (ΔM) |
0.14 |
|
Spectral class |
B9p (blue-white) |
|
| Pri motion ra |
+008 |
|
Sec motion ra |
+008 |
|
| Pri motion dec |
-030 |
|
Sec motion dec |
-030 |
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 191984 |
|
Constellation |
Aquila |
|
SAO |
125567 |
|
HIP |
99585 |
|
| Tycho2 |
0495-01188-1 |
|
Gaia DR2 |
4242685762916640128 |
|
HD |
191984 |
|
HR |
7717 |
|
| GC |
28051 |
|
ADS |
13506 |
|
BD |
BD+00 4444 |
|
Distance |
180.51 |
|
| Distance ly |
588.82 |
|
