01546+2049 MKT 3 (Sheratan)
01h 54m 38.35s +20° 48' 29.9" P.A. 101.00 sep 0.1 mag 2.60,5.20 Sp A5V dist. 17.99 pc (58.68 l.y.)
| Coord 2000 |
01546+2049 |
|
Discov num |
MKT 3 |
|
Comp |
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Coord arcsec 2000 |
01 54 38.35 +20 48 29.9 |
|
| Date first |
1988 |
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Date last |
2011 |
|
Obs |
18 |
|
| Pa first |
93 |
|
Pa last |
101.2 |
|
P.A. Now (θ) |
101.2° |
|
| Sep first |
0.1 |
|
Sep last |
0.062 |
|
Sep. Now (ρ) |
0.062" |
|
| Mag pri |
2.60 |
|
Mag sec |
5.20 |
|
delta mag (ΔM) |
2.6 |
|
Spectral class |
A5V (white) |
|
| Pri motion ra |
+097 |
|
Sec motion ra |
|
|
| Pri motion dec |
-108 |
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Sec motion dec |
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| Notes |
N
O
R
(See Notes, Orbital solution, Red magnitudes) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Common name |
Sheratan |
|
Var name |
NSV658 Ari |
|
Constellation |
Aries |
|
SAO |
75012 |
|
| HIP |
8903 |
|
Tycho2 |
1212-01935-1 |
|
Gaia DR2 |
97054342356001024 |
|
HD |
11636 |
|
| HR |
553 |
|
GC |
2309 |
|
GL |
Gl 80 |
|
BD |
BD+20 306 |
|
| Bayer |
Beta Arietis |
|
Bayer name |
Bet Ari |
|
Flamsteed |
6 Arietis |
|
Flamsteed name |
6 Ari |
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| FK5 |
66 |
|
Distance |
17.99 |
|
Distance ly |
58.68 |
|
Bayer greek |
β Ari |
|
ORBITAL ELEMENTS
| Period (P) | 106.99442d | ± 0.00069 |
Periastron (T) | 44809.1016d (1981.559y) | ± 0.0066 |
Semi-major axis (a) | 36m | ± 0.54 |
| Eccentricity (e) | 0.8801 | ± 0.0008 |
Inclination (i) | 47.5° | ± 0.54 |
Longitude of periastron (ω) | 204.9° | ± 0.33 |
| Node (Ω) | 83.3° | ± 0.27 |
Notes | n | |
Reference | Pbx2000b | |
| Equinox | | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
145.5 |
0.015 |
| 2001-01-01 |
95.8 |
0.063 |
| 2002-01-01 |
113.5 |
0.046 |
| 2003-01-01 |
87.8 |
0.049 |
| 2004-01-01 |
104.7 |
0.061 |
| 2005-01-01 |
47.1 |
0.009 |
| 2006-01-01 |
98.3 |
0.064 |
| 2007-01-01 |
119.4 |
0.037 |
| 2008-01-01 |
91.4 |
0.056 |
| 2009-01-01 |
107.6 |
0.057 |
| 2010-01-01 |
78.0 |
0.031 |
| 2011-01-01 |
100.8 |
0.064 |
| 2012-01-01 |
130.8 |
0.024 |
| 2013-01-01 |
94.4 |
0.061 |
| 2014-01-01 |
111.2 |
0.051 |
| 2015-01-01 |
85.3 |
0.044 |
| 2016-01-01 |
103.3 |
0.063 |
| 2017-01-01 |
192.0 |
0.007 |
| 2018-01-01 |
97.0 |
0.064 |
| 2019-01-01 |
115.9 |
0.042 |
| 2020-01-01 |
89.6 |
0.053 |
| 2021-01-01 |
106.0 |
0.059 |
| 2022-01-01 |
70.1 |
0.021 |
| 2023-01-01 |
99.5 |
0.065 |
| 2024-01-01 |
123.6 |
0.031 |
| 2025-01-01 |
92.9 |
0.059 |
| 2026-01-01 |
109.2 |
0.054 |
| 2027-01-01 |
82.1 |
0.038 |
| 2028-01-01 |
101.9 |
0.064 |
| 2029-01-01 |
143.1 |
0.016 |
| 2030-01-01 |
95.6 |
0.063 |
|
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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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