19544+3001 AG 393 (HD 188504)
19h 54m 23.07s +30° 01' 30.8" P.A. 201.00 sep 2.1 mag 8.47,10.06 Sp B7III dist. 2777.78 pc (9061.12 l.y.)
| Coord 2000 |
19544+3001 |
|
Discov num |
AG 393 |
|
Comp |
|
|
Coord arcsec 2000 |
19 54 23.07 +30 01 30.8 |
|
| Date first |
1902 |
|
Date last |
2016 |
|
Obs |
12 |
|
| Pa first |
201 |
|
Pa last |
201.4 |
|
P.A. Now (θ) |
201.4° |
|
| Sep first |
2.0 |
|
Sep last |
2.111 |
|
Sep. Now (ρ) |
2.111" |
|
| Mag pri |
8.47 |
|
Mag sec |
10.06 |
|
delta mag (ΔM) |
1.59 |
|
Spectral class |
B7III (blue-white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
+003 |
|
Sec motion dec |
+003 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 188504 |
|
Constellation |
Cygnus |
|
SAO |
87907 |
|
HIP |
97949 |
|
| Tycho2 |
2669-02080-1 |
|
Gaia DR2 |
2030363600710399872 |
|
HD |
188504 |
|
BD |
BD+29 3795 |
|
| Distance |
2777.78 |
|
Distance ly |
9061.12 |
|
