23470+0515 BAR 19 (HD 223139)
23h 47m 00.96s +05° 15' 07.5" P.A. 4.00 sep 1.1 mag 9.17,9.48 Sp F8 dist. 107.53 pc (350.76 l.y.)
| Coord 2000 |
23470+0515 |
|
Discov num |
BAR 19 |
|
Comp |
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|
Coord arcsec 2000 |
23 47 00.96 +05 15 07.5 |
|
| Date first |
1889 |
|
Date last |
2016 |
|
Obs |
37 |
|
| Pa first |
346 |
|
Pa last |
3.5 |
|
P.A. Now (θ) |
3.5° |
|
| Sep first |
0.5 |
|
Sep last |
1.089 |
|
Sep. Now (ρ) |
1.089" |
|
| Mag pri |
9.17 |
|
Mag sec |
9.48 |
|
delta mag (ΔM) |
0.31 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
-065 |
|
Sec motion ra |
-065 |
|
| Pri motion dec |
+039 |
|
Sec motion dec |
+039 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 223139 |
|
Constellation |
Pisces |
|
SAO |
128377 |
|
HIP |
117298 |
|
| Tycho2 |
0592-01436-1 |
|
Gaia DR2 |
2744457477641758336 |
|
HD |
223139 |
|
ADS |
16995 |
|
| BD |
BD+04 5049 |
|
Distance |
107.53 |
|
Distance ly |
350.76 |
|
ORBITAL ELEMENTS
| Period (P) | 772.5137y | ± 323.2638 |
Periastron (T) | 2048.6355y | ± 14.6737 |
Semi-major axis (a) | 2.65179a | ± 1.75509 |
| Eccentricity (e) | 0.8072 | ± 0.1828 |
Inclination (i) | 86.845° | ± 2.309 |
Longitude of periastron (ω) | 74.191° | ± 14.404 |
| Node (Ω) | 5.819° | ± 1.535 |
Notes | | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
1.9 |
1.090 |
| 2001 |
2.0 |
1.089 |
| 2002 |
2.1 |
1.089 |
| 2003 |
2.2 |
1.088 |
| 2004 |
2.3 |
1.087 |
| 2005 |
2.4 |
1.086 |
| 2006 |
2.5 |
1.084 |
| 2007 |
2.6 |
1.082 |
| 2008 |
2.7 |
1.079 |
| 2009 |
2.8 |
1.077 |
| 2010 |
2.8 |
1.073 |
| 2011 |
2.9 |
1.070 |
| 2012 |
3.0 |
1.066 |
| 2013 |
3.1 |
1.061 |
| 2014 |
3.2 |
1.056 |
| 2015 |
3.3 |
1.051 |
| 2016 |
3.4 |
1.045 |
| 2017 |
3.5 |
1.038 |
| 2018 |
3.6 |
1.031 |
| 2019 |
3.7 |
1.023 |
| 2020 |
3.8 |
1.015 |
| 2021 |
3.9 |
1.006 |
| 2022 |
4.0 |
0.996 |
| 2023 |
4.1 |
0.985 |
| 2024 |
4.2 |
0.973 |
| 2025 |
4.4 |
0.961 |
| 2026 |
4.5 |
0.947 |
| 2027 |
4.6 |
0.933 |
| 2028 |
4.7 |
0.917 |
| 2029 |
4.8 |
0.900 |
| 2030 |
5.0 |
0.881 |
|
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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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