18508+0842 HU 256 (HD 174571)
18h 50m 47.17s +08° 42' 10.0" P.A. 41.00 sep 4.3 mag 8.95,12.35 Sp B3V:pe dist. 884.96 pc (2886.74 l.y.)
| Coord 2000 |
18508+0842 |
|
Discov num |
HU 256 |
|
Comp |
|
|
Coord arcsec 2000 |
18 50 47.17 +08 42 10.0 |
|
| Date first |
1900 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
43 |
|
Pa last |
41.1 |
|
P.A. Now (θ) |
41.1° |
|
| Sep first |
4.5 |
|
Sep last |
4.331 |
|
Sep. Now (ρ) |
4.331" |
|
| Mag pri |
8.95 |
|
Mag sec |
12.35 |
|
delta mag (ΔM) |
3.4 |
|
Spectral class |
B3V:pe (blue-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-001 |
|
| Notes |
|
|
rPM=0.698
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 174571 |
|
Constellation |
Aquila |
|
SAO |
123966 |
|
HIP |
92477 |
|
| Tycho2 |
1026-02065-1 |
|
Gaia DR2 |
4311085453600069376 |
|
HD |
174571 |
|
BD |
BD+08 3866 |
|
| Distance |
884.96 |
|
Distance ly |
2886.74 |
|
