04064+4325 A 1710 (HD 25693)
04h 06m 25.49s +43° 25' 05.4" P.A. 307.00 sep 0.6 mag 8.16,8.27 Sp G5 dist. 69.2 pc (225.73 l.y.)
| Coord 2000 |
04064+4325 |
|
Discov num |
A 1710 |
|
Comp |
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Coord arcsec 2000 |
04 06 25.49 +43 25 05.4 |
|
| Date first |
1907 |
|
Date last |
2018 |
|
Obs |
69 |
|
| Pa first |
307 |
|
Pa last |
306.6 |
|
P.A. Now (θ) |
304.7° |
|
| Sep first |
0.5 |
|
Sep last |
0.591 |
|
Sep. Now (ρ) |
0.584" |
|
| Mag pri |
8.16 |
|
Mag sec |
8.27 |
|
delta mag (ΔM) |
0.11 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
-028 |
|
Sec motion ra |
-028 |
|
| Pri motion dec |
-195 |
|
Sec motion dec |
-195 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 25693 |
|
Constellation |
Perseus |
|
SAO |
39312 |
|
HIP |
19159 |
|
| Tycho2 |
2889-02279-1 |
|
HD |
25693 |
|
ADS |
2980 |
|
BD |
BD+43 892 |
|
| Distance |
69.2 |
|
Distance ly |
225.73 |
|
ORBITAL ELEMENTS
| Period (P) | 109.5y | |
Periastron (T) | 1947.3y | |
Semi-major axis (a) | 0.396a | |
| Eccentricity (e) | 0.66 | |
Inclination (i) | 123.3° | |
Longitude of periastron (ω) | 333° | |
| Node (Ω) | 121° | |
Notes | n | |
Reference | Hei1982c | |
| Equinox | 2000 | |
Last observation | 1980 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
317.8 |
0.601 |
| 2001 |
317.2 |
0.605 |
| 2002 |
316.7 |
0.608 |
| 2003 |
316.1 |
0.611 |
| 2004 |
315.5 |
0.614 |
| 2005 |
315.0 |
0.616 |
| 2006 |
314.4 |
0.618 |
| 2007 |
313.8 |
0.619 |
| 2008 |
313.3 |
0.620 |
| 2009 |
312.7 |
0.621 |
| 2010 |
312.2 |
0.621 |
| 2011 |
311.6 |
0.621 |
| 2012 |
311.1 |
0.620 |
| 2013 |
310.5 |
0.619 |
| 2014 |
310.0 |
0.618 |
| 2015 |
309.4 |
0.616 |
| 2016 |
308.8 |
0.614 |
| 2017 |
308.3 |
0.611 |
| 2018 |
307.7 |
0.607 |
| 2019 |
307.1 |
0.604 |
| 2020 |
306.5 |
0.600 |
| 2021 |
305.9 |
0.595 |
| 2022 |
305.3 |
0.590 |
| 2023 |
304.7 |
0.584 |
| 2024 |
304.1 |
0.578 |
| 2025 |
303.4 |
0.571 |
| 2026 |
302.8 |
0.564 |
| 2027 |
302.1 |
0.556 |
| 2028 |
301.4 |
0.548 |
| 2029 |
300.7 |
0.539 |
| 2030 |
299.9 |
0.529 |
|
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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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