10446+0530 A  2771

 
 
10h 44m 38.71s +05 29' 55.0" P.A. 113.1 sep 0.53 mag 9.18,9.70 Sp K0 dist. 71.79 pc (234.18 l.y.)
 
 
Coord 2000
10446+0530
Discov num
A  2771
Comp
Coord arcsec 2000
10 44 38.71 +05 29 55.0
Date first
1914
Date last
2013
Obs
33
Pa first
209
Pa last
118
P.A. Now (θ)
113.1°
Sep first
0.8
Sep last
0.5
Sep. Now (ρ)
0.53"
Mag pri
9.18
Mag sec
9.70
delta mag (ΔM)
0.52
Spectral class
K0 (yellow-orange)
Pri motion ra
+006
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
117.6
Precise sep
0.466
Cdsa2 id
A 2771
Constellation
Sextans
HIP
52547
Tycho2
0260-00604-1
HD
93017
ADS
7911
BD
BD+06 2343
Ra deg
10.74408611111111
De deg
5.498611111111111
Distance
71.79
Distance ly
234.18
last precise pa
117.6
last precise sep
0.466
 
 
ORBITAL ELEMENTS
 
 
Period (P)549y Periastron (T)1993.47y Semi-major axis (a)1.016a
Eccentricity (e)0.834 Inclination (i)131.4° Longitude of periastron (ω)52.8°
Node (Ω)288.6° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2013
label rho theta
2000 0.179 157.0
2001 0.201 150.1
2002 0.223 144.6
2003 0.246 140.1
2004 0.268 136.4
2005 0.290 133.2
2006 0.312 130.5
2007 0.333 128.1
2008 0.354 126.0
2009 0.374 124.1
2010 0.393 122.4
2011 0.412 120.9
2012 0.431 119.5
2013 0.449 118.2
2014 0.467 117.1
2015 0.484 116.0
2016 0.501 115.0
2017 0.517 114.0
2018 0.533 113.1
2019 0.549 112.3
2020 0.564 111.5
2021 0.579 110.7
2022 0.594 110.0
2023 0.609 109.3
2024 0.623 108.7
2025 0.637 108.0
2026 0.650 107.4
2027 0.664 106.9
2028 0.677 106.3
2029 0.690 105.8
2030 0.702 105.3

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

grafico orbita





wds10446%2B0530b.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
10446+0530 A 2771 1996 29 233 0.2 9.18 9.70 K0 O 104438.71+052955.0
10446+0530 A 2771 2009 30 125 0.4 9.18 9.70 K0 O 104438.71+052955.0
10446+0530 A 2771 2010 31 123 0.4 9.18 9.70 K0 O 104438.71+052955.0
10446+0530 A 2771 2011 32 121 0.4 9.18 9.70 K0 O 104438.71+052955.0
10446+0530 A 2771 2013 33 118 0.5 9.18 9.70 K0 O 104438.71+052955.0

If you need more information about this double, apply for a data request form to the WDS.