11141-1526 BU 916 (HD 97635)
11h 14m 03.66s -15° 26' 07.1" P.A. 179.00 sep 0.4 mag 8.20,9.35 Sp F2/3III dist. 204.08 pc (665.71 l.y.)
| Coord 2000 |
11141-1526 |
|
Discov num |
BU 916 |
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Comp |
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Coord arcsec 2000 |
11 14 03.66 -15 26 07.1 |
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| Date first |
1879 |
|
Date last |
2004 |
|
Obs |
31 |
|
| Pa first |
0 |
|
Pa last |
178.8 |
|
P.A. Now (θ) |
178.8° |
|
| Sep first |
0.7 |
|
Sep last |
0.406 |
|
Sep. Now (ρ) |
0.406" |
|
| Mag pri |
8.20 |
|
Mag sec |
9.35 |
|
delta mag (ΔM) |
1.15 |
|
Spectral class |
F2/3III (yellow-white) |
|
| Pri motion ra |
-037 |
|
Sec motion ra |
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| Pri motion dec |
-009 |
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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 97635 |
|
Constellation |
Crater |
|
SAO |
156552 |
|
HIP |
54866 |
|
| Tycho2 |
6084-01160-1 |
|
Gaia DR2 |
3559977002993796480 |
|
HD |
97635 |
|
ADS |
8096 |
|
| BD |
BD-14 3289 |
|
Distance |
204.08 |
|
Distance ly |
665.71 |
|
ORBITAL ELEMENTS
| Period (P) | 1386.46y | |
Periastron (T) | 1991.78y | |
Semi-major axis (a) | 1.177a | |
| Eccentricity (e) | 0.787 | |
Inclination (i) | 45.2° | |
Longitude of periastron (ω) | 350.2° | |
| Node (Ω) | 143.7° | |
Notes | | |
Reference | Zir2010 | |
| Equinox | 2000 | |
Last observation | 2004 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
156.7 |
0.258 |
| 2001 |
159.1 |
0.259 |
| 2002 |
161.4 |
0.259 |
| 2003 |
163.7 |
0.260 |
| 2004 |
166.0 |
0.261 |
| 2005 |
168.3 |
0.262 |
| 2006 |
170.6 |
0.263 |
| 2007 |
172.9 |
0.264 |
| 2008 |
175.1 |
0.265 |
| 2009 |
177.3 |
0.266 |
| 2010 |
179.5 |
0.267 |
| 2011 |
181.7 |
0.268 |
| 2012 |
183.9 |
0.269 |
| 2013 |
186.0 |
0.271 |
| 2014 |
188.1 |
0.272 |
| 2015 |
190.2 |
0.274 |
| 2016 |
192.3 |
0.276 |
| 2017 |
194.3 |
0.278 |
| 2018 |
196.3 |
0.280 |
| 2019 |
198.3 |
0.282 |
| 2020 |
200.3 |
0.284 |
| 2021 |
202.2 |
0.287 |
| 2022 |
204.1 |
0.290 |
| 2023 |
205.9 |
0.292 |
| 2024 |
207.7 |
0.295 |
| 2025 |
209.5 |
0.298 |
| 2026 |
211.2 |
0.301 |
| 2027 |
212.9 |
0.305 |
| 2028 |
214.6 |
0.308 |
| 2029 |
216.2 |
0.312 |
| 2030 |
217.8 |
0.315 |
|
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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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