16555-2134 BU 241 (HD 152655)
16h 55m 32.54s -21° 34' 10.2" P.A. 31.00 sep 0.3 mag 7.09,7.83 Sp B9III dist. 262.47 pc (856.18 l.y.)
Coord 2000 |
16555-2134 |
|
Discov num |
BU 241 |
|
Comp |
|
|
Coord arcsec 2000 |
16 55 32.54 -21 34 10.2 |
|
Date first |
1874 |
|
Date last |
2018 |
|
Obs |
50 |
|
Pa first |
314 |
|
Pa last |
30.7 |
|
P.A. Now (θ) |
30.7° |
|
Sep first |
0.5 |
|
Sep last |
0.283 |
|
Sep. Now (ρ) |
0.283" |
|
Mag pri |
7.09 |
|
Mag sec |
7.83 |
|
delta mag (ΔM) |
0.74 |
|
Spectral class |
B9III (blue-white) |
|
Pri motion ra |
-007 |
|
Sec motion ra |
-007 |
|
Pri motion dec |
-006 |
|
Sec motion dec |
-006 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 152655 |
|
Constellation |
Ophiuchus |
|
SAO |
184804 |
|
HIP |
82822 |
|
Tycho2 |
6230-01882-1 |
|
Gaia DR2 |
4126276962208478208 |
|
HD |
152655 |
|
GC |
22796 |
|
BD |
BD-21 4449 |
|
Distance |
262.47 |
|
Distance ly |
856.18 |
|