01078+0425 BU 1292 (HD 6698)
01h 07m 46.41s +04° 24' 52.0" P.A. 228.00 sep 0.3 mag 9.87,10.61 Sp F5 dist. 321.54 pc (1048.86 l.y.)
| Coord 2000 |
01078+0425 |
|
Discov num |
BU 1292 |
|
Comp |
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Coord arcsec 2000 |
01 07 46.41 +04 24 52.0 |
|
| Date first |
1901 |
|
Date last |
2013 |
|
Obs |
17 |
|
| Pa first |
24 |
|
Pa last |
227.9 |
|
P.A. Now (θ) |
227.9° |
|
| Sep first |
0.3 |
|
Sep last |
0.255 |
|
Sep. Now (ρ) |
0.255" |
|
| Mag pri |
9.87 |
|
Mag sec |
10.61 |
|
delta mag (ΔM) |
0.74 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
-012 |
|
Sec motion ra |
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|
| Pri motion dec |
-039 |
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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 6698 |
|
Constellation |
Pisces |
|
SAO |
109692 |
|
HIP |
5297 |
|
| Tycho2 |
0022-00615-1 |
|
Gaia DR2 |
2540002397104309376 |
|
HD |
6698 |
|
ADS |
929 |
|
| BD |
BD+03 161 |
|
Distance |
321.54 |
|
Distance ly |
1048.86 |
|
ORBITAL ELEMENTS
| Period (P) | 285.3y | |
Periastron (T) | 2020.7y | |
Semi-major axis (a) | 0.309a | |
| Eccentricity (e) | 0.214 | |
Inclination (i) | 139.2° | |
Longitude of periastron (ω) | 194.8° | |
| Node (Ω) | 52.9° | |
Notes | | |
Reference | FMR2013a | |
| Equinox | 2000 | |
Last observation | 2012 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
252.6 |
0.243 |
| 2001 |
251.1 |
0.244 |
| 2002 |
249.6 |
0.244 |
| 2003 |
248.1 |
0.244 |
| 2004 |
246.6 |
0.245 |
| 2005 |
245.1 |
0.245 |
| 2006 |
243.7 |
0.245 |
| 2007 |
242.2 |
0.245 |
| 2008 |
240.7 |
0.245 |
| 2009 |
239.2 |
0.245 |
| 2010 |
237.7 |
0.245 |
| 2011 |
236.3 |
0.245 |
| 2012 |
234.8 |
0.245 |
| 2013 |
233.3 |
0.244 |
| 2014 |
231.8 |
0.244 |
| 2015 |
230.3 |
0.244 |
| 2016 |
228.8 |
0.243 |
| 2017 |
227.3 |
0.242 |
| 2018 |
225.7 |
0.242 |
| 2019 |
224.2 |
0.241 |
| 2020 |
222.7 |
0.240 |
| 2021 |
221.1 |
0.239 |
| 2022 |
219.6 |
0.238 |
| 2023 |
218.0 |
0.237 |
| 2024 |
216.4 |
0.236 |
| 2025 |
214.8 |
0.235 |
| 2026 |
213.2 |
0.234 |
| 2027 |
211.5 |
0.233 |
| 2028 |
209.9 |
0.231 |
| 2029 |
208.2 |
0.230 |
| 2030 |
206.5 |
0.229 |
|
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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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