01546+2049 MKT   3 (Bet Ari)

 
 
01h 54m 38.35s +20 48' 29.9" P.A. 113 mag 2.60,5.20 Sp A5V dist. 17.99 pc (58.68 l.y.)
 
 
Coord 2000
01546+2049
Discov num
MKT   3
Comp
Coord arcsec 2000
01 54 38.35 +20 48 29.9
Date first
1988
Date last
2005
Obs
15
Pa first
93
Pa last
113
P.A. Now (θ)
113°
Sep first
0.1
Sep last
0.0
Sep. Now (ρ)
0"
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
Sec motion dec
Notes
N O R (See Notes, Orbital solution, Red magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
112.7
Precise sep
0.027
Name
Bet Ari
Cdsa2 id
MKT 3
Constellation
Aries
SAO
75012
HIP
8903
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
Ra deg
1.9106527777777778
De deg
20.808305555555556
Distance
17.99
Distance ly
58.68
last precise pa
112.7
last precise sep
0.027
 
 
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 Note Grade2(1=Definitive, 9=Indet.)
Equinox Last observation
label rho theta
2000-01-01 0.015 145.5
2001-01-01 0.063 95.8
2002-01-01 0.046 113.5
2003-01-01 0.049 87.8
2004-01-01 0.061 104.7
2005-01-01 0.009 47.1
2006-01-01 0.064 98.3
2007-01-01 0.037 119.4
2008-01-01 0.056 91.4
2009-01-01 0.057 107.6
2010-01-01 0.031 78.0
2011-01-01 0.064 100.8
2012-01-01 0.024 130.8
2013-01-01 0.061 94.4
2014-01-01 0.051 111.2
2015-01-01 0.044 85.3
2016-01-01 0.063 103.3
2017-01-01 0.007 192.0
2018-01-01 0.064 97.0
2019-01-01 0.042 115.9
2020-01-01 0.053 89.6
2021-01-01 0.059 106.0
2022-01-01 0.021 70.1
2023-01-01 0.065 99.5
2024-01-01 0.031 123.6
2025-01-01 0.059 92.9
2026-01-01 0.054 109.2
2027-01-01 0.038 82.1
2028-01-01 0.064 101.9
2029-01-01 0.016 143.1
2030-01-01 0.063 95.6

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds01546%2B2049a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01546+2049 MKT 3 1988 14 113 0.0 2.64   A5V NO 015438.35+204829.9
01546+2049 MKT 3 2005 15 113 0.0 2.64   A5V NO 015438.35+204829.9

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