18078+2606 CHR 67 Aa,Ab
18h 07m 49.56s +26° 06' 04.4" P.A. 300.00 sep 0.1 mag 5.90,8.80 Sp A3V dist. 49.6 pc (161.8 l.y.)
Coord 2000 |
18078+2606 |
|
Discov num |
CHR 67 |
|
Comp |
Aa,Ab |
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Coord arcsec 2000 |
18 07 49.56 +26 06 04.4 |
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Date first |
1985 |
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Date last |
2021 |
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Obs |
18 |
|
Pa first |
175 |
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Pa last |
300 |
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P.A. Now (θ) |
309.7° |
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Sep first |
0.1 |
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Sep last |
0.14 |
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Sep. Now (ρ) |
0.208" |
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Mag pri |
5.90 |
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Mag sec |
8.80 |
|
delta mag (ΔM) |
2.9 |
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Spectral class |
A3V (white) |
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Pri motion ra |
-010 |
|
Sec motion ra |
|
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Pri motion dec |
+026 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
18078+2606 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
85753 |
18 07 50 +26 06 04 |
CHR 67 Aa,Ab |
2021 |
18 |
300 |
0.1 |
5.90 |
8.80 |
2.90 |
Y |
<=== |
Show |
100 Her |
85753 |
18 07 50 +26 06 04 |
STF 2280 AB |
2019 |
221 |
182 |
14.3 |
5.81 |
5.84 |
0.03 |
|
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Show |
|
85753 |
18 07 50 +26 06 04 |
STF 2280 AC |
2000 |
5 |
127 |
79.9 |
5.87 |
11.80 |
5.93 |
|
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Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
NSV10253 Her |
|
Constellation |
Hercules |
|
SAO |
85753 |
|
HIP |
88818 |
|
Tycho2 |
2095-03225-1 |
|
Gaia DR2 |
4579990675911466624 |
|
HD |
166045 |
|
HR |
6781 |
|
GC |
24721 |
|
ADS |
11089 |
|
BD |
BD+26 3178 |
|
Flamsteed |
100 Herculis |
|
Flamsteed name |
100 Her |
|
Distance |
49.6 |
|
Distance ly |
161.8 |
|
ORBITAL ELEMENTS
Period (P) | 16.579y | ± 0.041 |
Periastron (T) | 1986.411y | ± 0.09 |
Semi-major axis (a) | 0.177a | ± 0.018 |
Eccentricity (e) | 0.933 | ± 0.013 |
Inclination (i) | 37.3° | ± 8.7 |
Longitude of periastron (ω) | 107.2° | ± 8.9 |
Node (Ω) | 33.3° | ± 10.1 |
Notes | n | |
Reference | Tok2021c | |
Equinox | 2000 | |
Last observation | 2019 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
340.4 |
0.208 |
2001 |
345.8 |
0.170 |
2002 |
355.5 |
0.115 |
2003 |
164.0 |
0.010 |
2004 |
289.6 |
0.104 |
2005 |
301.3 |
0.156 |
2006 |
307.6 |
0.195 |
2007 |
312.1 |
0.224 |
2008 |
315.6 |
0.246 |
2009 |
318.6 |
0.262 |
2010 |
321.3 |
0.273 |
2011 |
323.9 |
0.278 |
2012 |
326.4 |
0.279 |
2013 |
328.9 |
0.274 |
2014 |
331.6 |
0.264 |
2015 |
334.5 |
0.248 |
2016 |
338.0 |
0.225 |
2017 |
342.4 |
0.194 |
2018 |
349.0 |
0.150 |
2019 |
4.0 |
0.082 |
2020 |
272.2 |
0.061 |
2021 |
295.7 |
0.128 |
2022 |
304.3 |
0.174 |
2023 |
309.7 |
0.208 |
2024 |
313.6 |
0.234 |
2025 |
316.9 |
0.254 |
2026 |
319.8 |
0.267 |
2027 |
322.4 |
0.276 |
2028 |
324.9 |
0.279 |
2029 |
327.4 |
0.278 |
2030 |
330.0 |
0.271 |
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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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