17487+3536 HU 1182 AB
17h 48m 39.00s +35° 36' 15.8" P.A. 299.00 sep 0.4 mag 10.07,10.10 Sp G5
Coord 2000 |
17487+3536 |
|
Discov num |
HU 1182 |
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Comp |
AB |
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Coord arcsec 2000 |
17 48 39.00 +35 36 15.8 |
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Date first |
1905 |
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Date last |
2016 |
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Obs |
49 |
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Pa first |
12 |
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Pa last |
298.5 |
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P.A. Now (θ) |
298.5° |
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Sep first |
0.5 |
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Sep last |
0.426 |
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Sep. Now (ρ) |
0.426" |
|
Mag pri |
10.07 |
|
Mag sec |
10.10 |
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delta mag (ΔM) |
0.03 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
+093 |
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Sec motion ra |
+093 |
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Pri motion dec |
-030 |
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Sec motion dec |
-030 |
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Notes |
O
(Orbital solution) |
|
This double is physical.
17487+3536 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
17 48 39 +35 36 16 |
HU 1182 AB |
2016 |
49 |
299 |
0.4 |
10.07 |
10.10 |
0.03 |
Y |
<=== |
Show |
|
|
17 48 39 +35 36 16 |
FMR 72 AC |
2015 |
5 |
220 |
6.1 |
10.07 |
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Show |
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17 48 39 +35 36 16 |
FMR 72 BC |
2011 |
1 |
229 |
6.7 |
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Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
2615-00163-1 |
|
ADS |
10814 |
|
SUSPECTED ORBITAL ELEMENTS
Identifier | 17487+3536 HU 1182 |
coord_arcsec_2000 | 174839.00+353615.8 |
Period (P) | 320y | |
Periastron (T) | 2036y | |
Semi-major axis (a) | 0.69a | |
Eccentricity (e) | 0.601 | |
Inclination (i) | 122.9° | |
Longitude of periastron (ω) | 271.1° | |
Node (Ω) | 124° | |
Notes | | |
Reference | USN2002 | |
Equinox | 2000 | |
Last observation | 1997 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
316.0 |
0.545 |
2001 |
315.2 |
0.539 |
2002 |
314.4 |
0.533 |
2003 |
313.6 |
0.527 |
2004 |
312.7 |
0.520 |
2005 |
311.9 |
0.513 |
2006 |
311.0 |
0.506 |
2007 |
310.0 |
0.498 |
2008 |
309.1 |
0.490 |
2009 |
308.1 |
0.481 |
2010 |
307.1 |
0.473 |
2011 |
306.0 |
0.463 |
2012 |
304.9 |
0.454 |
2013 |
303.8 |
0.444 |
2014 |
302.6 |
0.433 |
2015 |
301.3 |
0.422 |
2016 |
299.9 |
0.411 |
2017 |
298.5 |
0.399 |
2018 |
297.0 |
0.386 |
2019 |
295.4 |
0.373 |
2020 |
293.7 |
0.360 |
2021 |
291.8 |
0.346 |
2022 |
289.8 |
0.331 |
2023 |
287.6 |
0.316 |
2024 |
285.1 |
0.301 |
2025 |
282.4 |
0.285 |
2026 |
279.4 |
0.269 |
2027 |
275.9 |
0.252 |
2028 |
272.0 |
0.236 |
2029 |
267.6 |
0.220 |
2030 |
262.4 |
0.204 |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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