04100+8042 STF 460 (HD 25007)
04h 10m 02.74s +80° 41' 55.2" P.A. 154.00 sep 0.8 mag 5.62,6.32 Sp G8III+A4V dist. 116.41 pc (379.73 l.y.)
| Coord 2000 |
04100+8042 |
|
Discov num |
STF 460 |
|
Comp |
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Coord arcsec 2000 |
04 10 02.74 +80 41 55.2 |
|
| Date first |
1828 |
|
Date last |
2022 |
|
Obs |
189 |
|
| Pa first |
350 |
|
Pa last |
154 |
|
P.A. Now (θ) |
162.1° |
|
| Sep first |
0.8 |
|
Sep last |
0.758 |
|
Sep. Now (ρ) |
0.664" |
|
| Mag pri |
5.62 |
|
Mag sec |
6.32 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
G8III+A4V (yellow/white) |
|
| Pri motion ra |
-015 |
|
Sec motion ra |
-015 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
+001 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 25007 |
|
Constellation |
Cepheus |
|
SAO |
650 |
|
HIP |
19461 |
|
| Tycho2 |
4522-01564-1 |
|
HD |
25007 |
|
HR |
1230 |
|
GC |
4894 |
|
| ADS |
2963 |
|
BD |
BD+80 125 |
|
Distance |
116.41 |
|
Distance ly |
379.73 |
|
ORBITAL ELEMENTS
| Period (P) | 372.42y | |
Periastron (T) | 2053.68y | |
Semi-major axis (a) | 0.86a | |
| Eccentricity (e) | 0.124 | |
Inclination (i) | 31° | |
Longitude of periastron (ω) | 118.5° | |
| Node (Ω) | 82.9° | |
Notes | n | |
Reference | Sca2003a | |
| Equinox | 2000 | |
Last observation | 1999 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
133.0 |
0.730 |
| 2001 |
134.1 |
0.726 |
| 2002 |
135.3 |
0.722 |
| 2003 |
136.5 |
0.719 |
| 2004 |
137.6 |
0.715 |
| 2005 |
138.8 |
0.712 |
| 2006 |
140.0 |
0.709 |
| 2007 |
141.3 |
0.705 |
| 2008 |
142.5 |
0.702 |
| 2009 |
143.7 |
0.699 |
| 2010 |
145.0 |
0.696 |
| 2011 |
146.2 |
0.693 |
| 2012 |
147.5 |
0.690 |
| 2013 |
148.8 |
0.687 |
| 2014 |
150.1 |
0.684 |
| 2015 |
151.4 |
0.682 |
| 2016 |
152.7 |
0.679 |
| 2017 |
154.0 |
0.677 |
| 2018 |
155.4 |
0.674 |
| 2019 |
156.7 |
0.672 |
| 2020 |
158.0 |
0.670 |
| 2021 |
159.4 |
0.668 |
| 2022 |
160.8 |
0.666 |
| 2023 |
162.1 |
0.664 |
| 2024 |
163.5 |
0.662 |
| 2025 |
164.9 |
0.661 |
| 2026 |
166.3 |
0.659 |
| 2027 |
167.7 |
0.658 |
| 2028 |
169.1 |
0.657 |
| 2029 |
170.5 |
0.656 |
| 2030 |
171.9 |
0.655 |
|
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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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