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 |
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Discov num |
MKT 3 |
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Comp |
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Coord arcsec 2000 |
01 54 38.35 +20 48 29.9 |
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Date first |
1988 |
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Date last |
2011 |
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Obs |
18 |
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Pa first |
93 |
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Pa last |
101.2 |
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P.A. Now (θ) |
101.2° |
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Sep first |
0.1 |
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Sep last |
0.062 |
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Sep. Now (ρ) |
0.062" |
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Mag pri |
2.60 |
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Mag sec |
5.20 |
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delta mag (ΔM) |
2.6 |
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Spectral class |
A5V (white) |
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Pri motion ra |
+097 |
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Sec motion ra |
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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 |
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Var name |
NSV658 Ari |
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Constellation |
Aries |
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SAO |
75012 |
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HIP |
8903 |
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Tycho2 |
1212-01935-1 |
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Gaia DR2 |
97054342356001024 |
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HD |
11636 |
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HR |
553 |
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GC |
2309 |
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GL |
Gl 80 |
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BD |
BD+20 306 |
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Bayer |
Beta Arietis |
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Bayer name |
Bet Ari |
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Flamsteed |
6 Arietis |
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Flamsteed name |
6 Ari |
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FK5 |
66 |
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Distance |
17.99 |
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Distance ly |
58.68 |
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Bayer greek |
β Ari |
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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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