18277+1918 STF 2319 BC
18h 27m 43.88s +19° 17' 38.6" P.A. 276.00 sep 42.4 mag 8.23,10.74 Sp F5 dist. 161.29 pc (526.13 l.y.)
| Coord 2000 |
18277+1918 |
|
Discov num |
STF2319 |
|
Comp |
BC |
|
Coord arcsec 2000 |
18 27 43.88 +19 17 38.6 |
|
| Date first |
1831 |
|
Date last |
2018 |
|
Obs |
35 |
|
| Pa first |
295 |
|
Pa last |
275.5 |
|
P.A. Now (θ) |
275.5° |
|
| Sep first |
40.7 |
|
Sep last |
42.44 |
|
Sep. Now (ρ) |
42.44" |
|
| Mag pri |
8.23 |
|
Mag sec |
10.74 |
|
delta mag (ΔM) |
2.51 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
+024 |
|
Sec motion ra |
-008 |
|
| Pri motion dec |
+022 |
|
Sec motion dec |
-013 |
|
| Notes |
|
|
rPM=1.457
This double is not physical.
18277+1918 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 170267 |
103740 |
18 27 44 +19 17 44 |
STF 2319 AB |
2019 |
121 |
190 |
5.3 |
8.41 |
8.23 |
0.18 |
|
|
| Show |
|
103740 |
18 27 44 +19 17 44 |
STF 2319 AC |
2018 |
39 |
268 |
43.1 |
8.41 |
10.74 |
2.33 |
|
|
| Show |
|
103740 |
18 27 44 +19 17 44 |
STF 2319 AD |
2015 |
14 |
71 |
156.7 |
8.41 |
9.17 |
0.76 |
|
|
| Show |
|
|
18 27 44 +19 17 39 |
STF 2319 BC |
2018 |
35 |
276 |
42.4 |
8.23 |
10.74 |
2.51 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
HIP |
90479 |
|
Tycho2 |
1577-01492-1 |
|
Gaia DR2 |
4525128550381294848 |
|
| HD |
170267 |
|
BD |
BD+19 3651 |
|
Distance |
161.29 |
|
Distance ly |
526.13 |
|