00429+2047 A 2205
00h 42m 53.20s +20° 46' 35.6" P.A. 2.00 sep 0.4 mag 10.26,10.09 Sp F8 dist. 158.98 pc (518.59 l.y.)
| Coord 2000 |
00429+2047 |
|
Discov num |
A 2205 |
|
Comp |
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Coord arcsec 2000 |
00 42 53.20 +20 46 35.6 |
|
| Date first |
1910 |
|
Date last |
2021 |
|
Obs |
29 |
|
| Pa first |
334 |
|
Pa last |
1.7 |
|
P.A. Now (θ) |
359.6° |
|
| Sep first |
0.4 |
|
Sep last |
0.39 |
|
Sep. Now (ρ) |
0.392" |
|
| Mag pri |
10.26 |
|
Mag sec |
10.09 |
|
delta mag (ΔM) |
0.17 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+019 |
|
Sec motion ra |
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|
| Pri motion dec |
+011 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pisces |
|
HIP |
3373 |
|
Tycho2 |
1194-00690-1 |
|
Gaia DR2 |
2801579919908589184 |
|
| ADS |
597 |
|
BD |
BD+19 111 |
|
Distance |
158.98 |
|
Distance ly |
518.59 |
|
ORBITAL ELEMENTS
| Period (P) | 165.05y | |
Periastron (T) | 1961.42y | |
Semi-major axis (a) | 0.281a | |
| Eccentricity (e) | 0.776 | |
Inclination (i) | 138.9° | |
Longitude of periastron (ω) | 309.2° | |
| Node (Ω) | 126.8° | |
Notes | n | |
Reference | Msn2017a | |
| Equinox | 2000 | |
Last observation | 2010 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
14.9 |
0.308 |
| 2001 |
14.0 |
0.313 |
| 2002 |
13.2 |
0.317 |
| 2003 |
12.4 |
0.321 |
| 2004 |
11.6 |
0.326 |
| 2005 |
10.8 |
0.330 |
| 2006 |
10.1 |
0.334 |
| 2007 |
9.4 |
0.338 |
| 2008 |
8.7 |
0.342 |
| 2009 |
8.0 |
0.346 |
| 2010 |
7.3 |
0.350 |
| 2011 |
6.6 |
0.354 |
| 2012 |
6.0 |
0.357 |
| 2013 |
5.4 |
0.361 |
| 2014 |
4.7 |
0.364 |
| 2015 |
4.1 |
0.368 |
| 2016 |
3.5 |
0.371 |
| 2017 |
2.9 |
0.374 |
| 2018 |
2.4 |
0.377 |
| 2019 |
1.8 |
0.380 |
| 2020 |
1.2 |
0.383 |
| 2021 |
0.7 |
0.386 |
| 2022 |
0.1 |
0.389 |
| 2023 |
359.6 |
0.392 |
| 2024 |
359.1 |
0.394 |
| 2025 |
358.5 |
0.397 |
| 2026 |
358.0 |
0.399 |
| 2027 |
357.5 |
0.402 |
| 2028 |
357.0 |
0.404 |
| 2029 |
356.5 |
0.406 |
| 2030 |
356.0 |
0.408 |
|
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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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