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 |
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Comp |
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Coord arcsec 2000 |
01 07 46.41 +04 24 52.0 |
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Date first |
1901 |
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Date last |
2013 |
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Obs |
17 |
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Pa first |
24 |
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Pa last |
227.9 |
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P.A. Now (θ) |
227.9° |
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Sep first |
0.3 |
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Sep last |
0.255 |
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Sep. Now (ρ) |
0.255" |
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Mag pri |
9.87 |
|
Mag sec |
10.61 |
|
delta mag (ΔM) |
0.74 |
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Spectral class |
F5 (yellow-white) |
|
Pri motion ra |
-012 |
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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 |
2031 |
204.8 |
0.228 |
2032 |
203.1 |
0.226 |
2033 |
201.3 |
0.225 |
2034 |
199.5 |
0.223 |
2035 |
197.7 |
0.222 |
2036 |
195.9 |
0.221 |
2037 |
194.1 |
0.219 |
2038 |
192.2 |
0.218 |
2039 |
190.4 |
0.217 |
2040 |
188.4 |
0.216 |
2041 |
186.5 |
0.215 |
2042 |
184.6 |
0.213 |
2043 |
182.6 |
0.212 |
2044 |
180.6 |
0.211 |
2045 |
178.6 |
0.211 |
2046 |
176.6 |
0.210 |
2047 |
174.6 |
0.209 |
2048 |
172.5 |
0.208 |
2049 |
170.5 |
0.208 |
2050 |
168.4 |
0.207 |
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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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