01532+1526 BU 260 (HD 11487)
01h 53m 14.21s +15° 26' 00.3" P.A. 260.00 sep 1.1 mag 8.75,8.97 Sp F5 dist. 110.74 pc (361.23 l.y.)
| Coord 2000 |
01532+1526 |
|
Discov num |
BU 260 |
|
Comp |
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|
Coord arcsec 2000 |
01 53 14.21 +15 26 00.3 |
|
| Date first |
1875 |
|
Date last |
2018 |
|
Obs |
69 |
|
| Pa first |
228 |
|
Pa last |
260.2 |
|
P.A. Now (θ) |
260.2° |
|
| Sep first |
0.6 |
|
Sep last |
1.086 |
|
Sep. Now (ρ) |
1.086" |
|
| Mag pri |
8.75 |
|
Mag sec |
8.97 |
|
delta mag (ΔM) |
0.22 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
-011 |
|
Sec motion ra |
-011 |
|
| Pri motion dec |
+023 |
|
Sec motion dec |
+023 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 11487 |
|
Constellation |
Aries |
|
SAO |
92678 |
|
HIP |
8810 |
|
| Tycho2 |
1206-01563-1 |
|
Gaia DR2 |
90193046201366016 |
|
HD |
11487 |
|
ADS |
1503 |
|
| BD |
BD+14 298 |
|
Distance |
110.74 |
|
Distance ly |
361.23 |
|
ORBITAL ELEMENTS
| Period (P) | 931.05y | ± 31.3 |
Periastron (T) | 2804.38y | ± 2.36 |
Semi-major axis (a) | 1.303a | ± 0.1 |
| Eccentricity (e) | 0.262 | ± 0.007 |
Inclination (i) | 71.8° | ± 0.3 |
Longitude of periastron (ω) | 119.9° | ± 2.5 |
| Node (Ω) | 73° | ± 0.2 |
Notes | | |
Reference | Cve2006e | |
| Equinox | 2000 | |
Last observation | 1998 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
258.3 |
1.102 |
| 2001 |
258.5 |
1.101 |
| 2002 |
258.6 |
1.101 |
| 2003 |
258.8 |
1.101 |
| 2004 |
258.9 |
1.100 |
| 2005 |
259.1 |
1.100 |
| 2006 |
259.3 |
1.099 |
| 2007 |
259.4 |
1.098 |
| 2008 |
259.6 |
1.098 |
| 2009 |
259.8 |
1.097 |
| 2010 |
259.9 |
1.096 |
| 2011 |
260.1 |
1.095 |
| 2012 |
260.3 |
1.094 |
| 2013 |
260.4 |
1.093 |
| 2014 |
260.6 |
1.092 |
| 2015 |
260.8 |
1.091 |
| 2016 |
260.9 |
1.090 |
| 2017 |
261.1 |
1.089 |
| 2018 |
261.3 |
1.087 |
| 2019 |
261.4 |
1.086 |
| 2020 |
261.6 |
1.085 |
| 2021 |
261.8 |
1.083 |
| 2022 |
261.9 |
1.082 |
| 2023 |
262.1 |
1.080 |
| 2024 |
262.3 |
1.078 |
| 2025 |
262.4 |
1.077 |
| 2026 |
262.6 |
1.075 |
| 2027 |
262.8 |
1.073 |
| 2028 |
262.9 |
1.071 |
| 2029 |
263.1 |
1.070 |
| 2030 |
263.3 |
1.068 |
|
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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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