03271+1845 CHR  10

 
 
03H 27M 03.20S +18 45' 23.6" P.A. 316.7 SEP 0.1 MAG 6.60, SP A3V DIST. 122.25 PC (398.78 L.Y.)
 
 
Coord 2000
03271+1845
Discov num
CHR  10
Comp
Coord arcsec 2000
03 27 03.20 +18 45 23.6
Date first
1985
Date last
1991
Obs
4
Pa first
110
Pa last
250
P.A. Now (θ)
316.7°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
6.60
Mag sec
delta mag (ΔM)
Spectral class
A3V (white)
Pri motion ra
+043
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Taurus
SAO
93436
HIP
16077
Tycho2
1241-00799-1
HD
21335
HR
1036
BD
BD+18 484
Distance
122.25
Distance ly
398.78
last precise pa
250
last precise sep
0.075
 
 
ORBITAL ELEMENTS
 
 
Period (P)19.757y Periastron (T)1987.24y Semi-major axis (a)0.0886a
Eccentricity (e)0.145 Inclination (i)40.6° Longitude of periastron (ω)21.1°
Node (Ω)119° Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation1991
label rho theta
2000 0.080 353.8
2001 0.073 12.3
2002 0.069 33.9
2003 0.069 56.7
2004 0.072 78.4
2005 0.076 98.1
2006 0.077 116.5
2007 0.074 135.4
2008 0.068 156.8
2009 0.063 182.3
2010 0.063 210.0
2011 0.069 235.3
2012 0.078 255.4
2013 0.088 271.1
2014 0.095 283.9
2015 0.100 295.2
2016 0.101 305.9
2017 0.098 316.7
2018 0.093 328.4
2019 0.086 341.9
2020 0.078 358.0
2021 0.072 17.3
2022 0.069 39.4
2023 0.070 62.1
2024 0.073 83.4
2025 0.076 102.6
2026 0.076 121.0
2027 0.072 140.3
2028 0.066 162.6
2029 0.062 189.0
2030 0.064 216.6

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic