17159-1330 HDS 2441 (HD 156057)
17h 15m 56.29s -13° 29' 39.0" P.A. 236.00 sep 12.6 mag 9.63,11.74 Sp B9.5V dist. 862.07 pc (2812.07 l.y.)
Coord 2000 |
17159-1330 |
|
Discov num |
HDS2441 |
|
Comp |
|
|
Coord arcsec 2000 |
17 15 56.29 -13 29 39.0 |
|
Date first |
1907 |
|
Date last |
2016 |
|
Obs |
11 |
|
Pa first |
236 |
|
Pa last |
235.5 |
|
P.A. Now (θ) |
235.5° |
|
Sep first |
12.5 |
|
Sep last |
12.583 |
|
Sep. Now (ρ) |
12.583" |
|
Mag pri |
9.63 |
|
Mag sec |
11.74 |
|
delta mag (ΔM) |
2.11 |
|
Spectral class |
B9.5V (blue-white) |
|
Pri motion ra |
+003 |
|
Sec motion ra |
+004 |
|
Pri motion dec |
-003 |
|
Sec motion dec |
-003 |
|
Notes |
|
|
rPM=0.2 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 156057 |
|
Constellation |
Ophiuchus |
|
SAO |
160409 |
|
HIP |
84451 |
|
Tycho2 |
5657-00403-1 |
|
Gaia DR2 |
4141181392063068288 |
|
HD |
156057 |
|
BD |
BD-13 4577 |
|
Distance |
862.07 |
|
Distance ly |
2812.07 |
|