18031+4828 STF 2277 BC
18h 03m 11.05s +48° 27' 35.2" P.A. 300.00 sep 126.4 mag 8.93,10.19 Sp G9III dist. 146.84 pc (478.99 l.y.)
Coord 2000 |
18031+4828 |
|
Discov num |
STF2277 |
|
Comp |
BC |
|
Coord arcsec 2000 |
18 03 11.05 +48 27 35.2 |
|
Date first |
1895 |
|
Date last |
2015 |
|
Obs |
21 |
|
Pa first |
288 |
|
Pa last |
299.8 |
|
P.A. Now (θ) |
299.8° |
|
Sep first |
114.7 |
|
Sep last |
126.442 |
|
Sep. Now (ρ) |
126.442" |
|
Mag pri |
8.93 |
|
Mag sec |
10.19 |
|
delta mag (ΔM) |
1.26 |
|
Spectral class |
G9III (yellow) |
|
Pri motion ra |
+005 |
|
Sec motion ra |
-004 |
|
Pri motion dec |
-012 |
|
Sec motion dec |
+231 |
|
Notes |
N
(See Notes) |
|
rPM=1.053
This double is not physical.
18031+4828 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 165358 |
47173 |
18 03 09 +48 27 51 |
STF 2277 AB |
2018 |
70 |
128 |
26.8 |
6.25 |
8.93 |
2.68 |
|
|
Show |
|
47173 |
18 03 09 +48 27 51 |
STF 2277 AC |
2015 |
21 |
297 |
99.7 |
6.25 |
10.19 |
3.94 |
|
|
Show |
|
|
18 03 11 +48 27 35 |
STF 2277 BC |
2015 |
21 |
300 |
126.4 |
8.93 |
10.19 |
1.26 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
HIP |
88420 |
|
Gaia DR2 |
2122719386264539264 |
|
Distance |
146.84 |
|
Distance ly |
478.99 |
|