17190+4408 STF 2154 AB (HD 157046)
17h 18m 58.68s +44° 07' 54.7" P.A. 253.00 sep 2.0 mag 9.05,10.03 Sp F2+A2 dist. 186.57 pc (608.59 l.y.)
Coord 2000 |
17190+4408 |
|
Discov num |
STF2154 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 18 58.68 +44 07 54.7 |
|
Date first |
1830 |
|
Date last |
2016 |
|
Obs |
28 |
|
Pa first |
249 |
|
Pa last |
253.4 |
|
P.A. Now (θ) |
253.4° |
|
Sep first |
1.8 |
|
Sep last |
2.01 |
|
Sep. Now (ρ) |
2.01" |
|
Mag pri |
9.05 |
|
Mag sec |
10.03 |
|
delta mag (ΔM) |
0.98 |
|
Spectral class |
F2+A2 (yellow-white/white) |
|
Pri motion ra |
+011 |
|
Sec motion ra |
+011 |
|
Pri motion dec |
+040 |
|
Sec motion dec |
+040 |
|
Notes |
|
|
Nature of this double is uncertain.
17190+4408 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 157046 |
46631 |
17 18 59 +44 07 55 |
STF 2154 AB |
2016 |
28 |
253 |
2.0 |
9.05 |
10.03 |
0.98 |
|
<=== |
Show |
|
46631 |
17 18 59 +44 07 55 |
PRU 4 AC |
2012 |
1 |
182 |
0.9 |
9.05 |
|
|
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 157046 |
|
Constellation |
Hercules |
|
SAO |
46631 |
|
HIP |
84715 |
|
Tycho2 |
3085-00606-1 |
|
Gaia DR2 |
1360598845705838464 |
|
HD |
157046 |
|
GC |
23417 |
|
BD |
BD+44 2690 |
|
Distance |
186.57 |
|
Distance ly |
608.59 |
|