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
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
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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