18040+0150 TOK 695 (HD 165045)
18h 04m 01.88s +01° 49' 56.6" P.A. 23.00 sep 0.1 mag 8.40,10.00 Sp G5 dist. 34.46 pc (112.41 l.y.)
| Coord 2000 |
18040+0150 |
|
Discov num |
TOK 695 |
|
Comp |
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Coord arcsec 2000 |
18 04 01.88 +01 49 56.6 |
|
| Date first |
2015 |
|
Date last |
2021 |
|
Obs |
15 |
|
| Pa first |
30 |
|
Pa last |
23.1 |
|
P.A. Now (θ) |
23.1° |
|
| Sep first |
0.1 |
|
Sep last |
0.061 |
|
Sep. Now (ρ) |
0.061" |
|
| Mag pri |
8.40 |
|
Mag sec |
10.00 |
|
delta mag (ΔM) |
1.6 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+098 |
|
Sec motion ra |
|
|
| Pri motion dec |
-034 |
|
Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 165045 |
|
Constellation |
Ophiuchus |
|
SAO |
123074 |
|
HIP |
88481 |
|
| Tycho2 |
0430-00490-1 |
|
Gaia DR2 |
4468231641147900928 |
|
HD |
165045 |
|
GC |
24598 |
|
| BD |
BD+01 3574 |
|
Distance |
34.46 |
|
Distance ly |
112.41 |
|
ORBITAL ELEMENTS
| Period (P) | 1.615y | ± 0.001 |
Periastron (T) | 1996.698y | ± 0.005 |
Semi-major axis (a) | 0.0472a | ± 0.0016 |
| Eccentricity (e) | 0.501 | ± 0.011 |
Inclination (i) | 37.7° | ± 3.8 |
Longitude of periastron (ω) | 287.4° | ± 2.5 |
| Node (Ω) | 271° | ± 2.5 |
Notes | | |
Reference | Tok2017b | |
| Equinox | 2000 | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
253.5 |
0.026 |
| 2001 |
49.0 |
0.058 |
| 2002 |
341.3 |
0.049 |
| 2003 |
104.8 |
0.035 |
| 2004 |
26.1 |
0.058 |
| 2005 |
302.0 |
0.040 |
| 2006 |
65.8 |
0.054 |
| 2007 |
1.2 |
0.054 |
| 2008 |
199.8 |
0.019 |
| 2009 |
41.5 |
0.059 |
| 2010 |
330.2 |
0.047 |
| 2011 |
88.0 |
0.043 |
| 2012 |
18.4 |
0.057 |
| 2013 |
283.4 |
0.034 |
| 2014 |
57.3 |
0.056 |
| 2015 |
352.0 |
0.052 |
| 2016 |
137.4 |
0.024 |
| 2017 |
34.1 |
0.059 |
| 2018 |
317.7 |
0.044 |
| 2019 |
76.0 |
0.049 |
| 2020 |
10.3 |
0.055 |
| 2021 |
256.0 |
0.027 |
| 2022 |
49.5 |
0.058 |
| 2023 |
342.0 |
0.049 |
| 2024 |
106.2 |
0.034 |
| 2025 |
26.6 |
0.058 |
| 2026 |
303.1 |
0.040 |
| 2027 |
66.4 |
0.053 |
| 2028 |
1.8 |
0.054 |
| 2029 |
204.5 |
0.019 |
| 2030 |
42.0 |
0.059 |
|
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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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