18314+0628 STF 2329 (HD 170881)
18h 31m 26.49s +06° 27' 36.9" P.A. 42.00 sep 4.3 mag 8.16,9.44 Sp B9IV-V dist. 202.02 pc (658.99 l.y.)
Coord 2000 |
18314+0628 |
|
Discov num |
STF2329 |
|
Comp |
|
|
Coord arcsec 2000 |
18 31 26.49 +06 27 36.9 |
|
Date first |
1830 |
|
Date last |
2016 |
|
Obs |
45 |
|
Pa first |
43 |
|
Pa last |
42.2 |
|
P.A. Now (θ) |
42.2° |
|
Sep first |
4.2 |
|
Sep last |
4.286 |
|
Sep. Now (ρ) |
4.286" |
|
Mag pri |
8.16 |
|
Mag sec |
9.44 |
|
delta mag (ΔM) |
1.28 |
|
Spectral class |
B9IV-V (blue-white) |
|
Pri motion ra |
-021 |
|
Sec motion ra |
-005 |
|
Pri motion dec |
-020 |
|
Sec motion dec |
-008 |
|
Notes |
N
(See Notes) |
|
rPM=0.69
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 170881 |
|
Constellation |
Ophiuchus |
|
SAO |
123602 |
|
HIP |
90807 |
|
Tycho2 |
0458-00924-1 |
|
Gaia DR2 |
4285028780352136320 |
|
HD |
170881 |
|
GC |
25290 |
|
BD |
BD+06 3824 |
|
Distance |
202.02 |
|
Distance ly |
658.99 |
|