19519+4121 HDS 2831 (HD 188101)
19h 51m 51.00s +41° 20' 55.7" P.A. 236.00 sep 0.3 mag 7.79,10.75 Sp B9 dist. 354.61 pc (1156.74 l.y.)
| Coord 2000 |
19519+4121 |
|
Discov num |
HDS2831 |
|
Comp |
|
|
Coord arcsec 2000 |
19 51 51.00 +41 20 55.7 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
236 |
|
Pa last |
236 |
|
P.A. Now (θ) |
236° |
|
| Sep first |
0.3 |
|
Sep last |
0.262 |
|
Sep. Now (ρ) |
0.262" |
|
| Mag pri |
7.79 |
|
Mag sec |
10.75 |
|
delta mag (ΔM) |
2.96 |
|
Spectral class |
B9 (blue-white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
|
|
| Pri motion dec |
+000 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 188101 |
|
Constellation |
Cygnus |
|
SAO |
48913 |
|
HIP |
97750 |
|
| Tycho2 |
3145-02489-1 |
|
Gaia DR2 |
2073891827238591744 |
|
HD |
188101 |
|
BD |
BD+40 3912 |
|
| Distance |
354.61 |
|
Distance ly |
1156.74 |
|