19458+4033 STT 385 (HD 186978)
19h 45m 48.77s +40° 33' 18.9" P.A. 51.00 sep 1.2 mag 7.77,9.58 Sp B7IV dist. 793.65 pc (2588.89 l.y.)
| Coord 2000 |
19458+4033 |
|
Discov num |
STT 385 |
|
Comp |
|
|
Coord arcsec 2000 |
19 45 48.77 +40 33 18.9 |
|
| Date first |
1843 |
|
Date last |
2016 |
|
Obs |
35 |
|
| Pa first |
50 |
|
Pa last |
50.5 |
|
P.A. Now (θ) |
50.5° |
|
| Sep first |
1.1 |
|
Sep last |
1.228 |
|
Sep. Now (ρ) |
1.228" |
|
| Mag pri |
7.77 |
|
Mag sec |
9.58 |
|
delta mag (ΔM) |
1.81 |
|
Spectral class |
B7IV (blue-white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
+000 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
-003 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 186978 |
|
Constellation |
Cygnus |
|
SAO |
48807 |
|
HIP |
97240 |
|
| Tycho2 |
3140-01634-1 |
|
Gaia DR2 |
2076744475789900160 |
|
HD |
186978 |
|
ADS |
12904 |
|
| BD |
BD+40 3870 |
|
Distance |
793.65 |
|
Distance ly |
2588.89 |
|
