02586+2408 BU 1173 AB
02h 58m 35.99s +24° 08' 01.7" P.A. 100.00 sep 0.2 mag 8.30,8.35 Sp K0 dist. 277.01 pc (903.61 l.y.)
| Coord 2000 |
02586+2408 |
|
Discov num |
BU 1173 |
|
Comp |
AB |
|
Coord arcsec 2000 |
02 58 35.99 +24 08 01.7 |
|
| Date first |
1890 |
|
Date last |
2008 |
|
Obs |
70 |
|
| Pa first |
325 |
|
Pa last |
99.7 |
|
P.A. Now (θ) |
99.7° |
|
| Sep first |
0.1 |
|
Sep last |
0.21 |
|
Sep. Now (ρ) |
0.21" |
|
| Mag pri |
8.30 |
|
Mag sec |
8.35 |
|
delta mag (ΔM) |
0.05 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-007 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
02586+2408 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
75666 |
02 58 36 +24 08 02 |
BU 1173 AB |
2008 |
70 |
100 |
0.2 |
8.30 |
8.35 |
0.05 |
Y |
<=== |
| Show |
|
75666 |
02 58 36 +24 08 02 |
BU 1173 AB,C |
2015 |
11 |
283 |
4.8 |
7.57 |
13.00 |
5.43 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Aries |
|
SAO |
75666 |
|
HIP |
13867 |
|
Tycho2 |
1782-01335-1 |
|
| Gaia DR2 |
110300811770235264 |
|
HD |
18442 |
|
GC |
3570 |
|
ADS |
2246 |
|
| BD |
BD+23 392 |
|
Distance |
277.01 |
|
Distance ly |
903.61 |
|
ORBITAL ELEMENTS
| Period (P) | 296.96y | ± 69 |
Periastron (T) | 2029.02y | ± 3.1 |
Semi-major axis (a) | 0.377a | ± 0.001 |
| Eccentricity (e) | 0.607 | ± 0.058 |
Inclination (i) | 76.6° | ± 1.7 |
Longitude of periastron (ω) | 70.6° | ± 9.9 |
| Node (Ω) | 105.5° | ± 2.7 |
Notes | n | |
Reference | Hrt2009 | |
| Equinox | | |
Last observation | 2008 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
95.9 |
0.236 |
| 2001 |
96.5 |
0.236 |
| 2002 |
97.0 |
0.235 |
| 2003 |
97.6 |
0.235 |
| 2004 |
98.2 |
0.234 |
| 2005 |
98.8 |
0.232 |
| 2006 |
99.4 |
0.231 |
| 2007 |
100.0 |
0.229 |
| 2008 |
100.6 |
0.226 |
| 2009 |
101.2 |
0.224 |
| 2010 |
101.9 |
0.221 |
| 2011 |
102.5 |
0.217 |
| 2012 |
103.2 |
0.213 |
| 2013 |
103.9 |
0.209 |
| 2014 |
104.7 |
0.204 |
| 2015 |
105.4 |
0.199 |
| 2016 |
106.3 |
0.193 |
| 2017 |
107.2 |
0.186 |
| 2018 |
108.1 |
0.179 |
| 2019 |
109.1 |
0.171 |
| 2020 |
110.3 |
0.162 |
| 2021 |
111.6 |
0.153 |
| 2022 |
113.0 |
0.143 |
| 2023 |
114.7 |
0.133 |
| 2024 |
116.7 |
0.121 |
| 2025 |
119.0 |
0.109 |
| 2026 |
122.0 |
0.097 |
| 2027 |
125.9 |
0.084 |
| 2028 |
131.2 |
0.072 |
| 2029 |
138.7 |
0.059 |
| 2030 |
149.9 |
0.048 |
|
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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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