17121+2114 STF 2135 AC
17h 12m 06.06s +21° 13' 44.4" P.A. 208.00 sep 162.1 mag 7.59,12.91 Sp K0 dist. 152.44 pc (497.26 l.y.)
| Coord 2000 |
17121+2114 |
|
Discov num |
STF2135 |
|
Comp |
AC |
|
Coord arcsec 2000 |
17 12 06.06 +21 13 44.4 |
|
| Date first |
1911 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
208 |
|
Pa last |
207.8 |
|
P.A. Now (θ) |
207.8° |
|
| Sep first |
158.9 |
|
Sep last |
162.13 |
|
Sep. Now (ρ) |
162.13" |
|
| Mag pri |
7.59 |
|
Mag sec |
12.91 |
|
delta mag (ΔM) |
5.32 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+022 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
-016 |
|
| Notes |
|
|
rPM=1.322
This double is not physical.
17121+2114 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 155642 |
84910 |
17 12 06 +21 13 44 |
STF 2135 AB |
2018 |
170 |
194 |
8.7 |
7.59 |
8.88 |
1.29 |
Y |
|
| Show |
|
84910 |
17 12 06 +21 13 44 |
STF 2135 AC |
2015 |
7 |
208 |
162.1 |
7.59 |
12.91 |
5.32 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
SAO |
84910 |
|
HIP |
84137 |
|
Tycho2 |
1548-00181-1 |
|
| Gaia DR2 |
4567068631146723456 |
|
HD |
155642 |
|
BD |
BD+21 3063 |
|
Distance |
152.44 |
|
| Distance ly |
497.26 |
|
