09276-3500 B  2215

 
 
09h 27m 38.42s -35 00' 26.5" P.A. 38 mag 7.40,7.50 Sp A5III/IV dist. 128.21 pc (418.22 l.y.)
 
 
Coord 2000
09276-3500
Discov num
B  2215
Comp
Coord arcsec 2000
09 27 38.42 -35 00 26.5
Date first
1935
Date last
2012
Obs
6
Pa first
116
Pa last
38
P.A. Now (θ)
38°
Sep first
0.2
Sep last
0.0
Sep. Now (ρ)
0"
Mag pri
7.40
Mag sec
7.50
delta mag (ΔM)
0.1
Spectral class
A5III/IV (white)
Pri motion ra
-027
Sec motion ra
Pri motion dec
-024
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
37.8
Precise sep
0.034
Constellation
Antlia
SAO
200392
HIP
46396
Tycho2
7162-00264-1
HD
81919
HR
3756
CD
CD-34 5895
CP
CP-34 3539
Distance
128.21
Distance ly
418.22
last precise pa
37.8
last precise sep
0.034
 
 
ORBITAL ELEMENTS
 
 
Period (P)721.3315d± 12.3809 Periastron (T)48702.0859d (1992.218y)± 18.8102 Semi-major axis (a)8.04m± 1.25
Eccentricity (e)0.5707± 0.1291 Inclination (i)116.45°± 7.11 Longitude of periastron (ω)107.94°± 9.91
Node (Ω)123.65°± 6.43 Note Grade9(1=Definitive, 9=Indet.)
Equinox Last observation1991
label rho theta
2000-01-01 0.004 108.0
2001-01-01 0.006 189.1
2002-01-01 0.003 100.5
2003-01-01 0.006 186.1
2004-01-01 0.003 88.2
2005-01-01 0.006 183.3
2006-01-01 0.002 65.1
2007-01-01 0.006 180.7
2008-01-01 0.002 25.1
2009-01-01 0.007 178.1
2010-01-01 0.002 348.6
2011-01-01 0.007 175.7
2012-01-01 0.003 328.6
2013-01-01 0.007 173.4
2014-01-01 0.003 317.2
2015-01-01 0.007 171.1
2016-01-01 0.004 309.7
2017-01-01 0.007 169.0
2018-01-01 0.005 303.9
2019-01-01 0.007 167.0
2020-01-01 0.005 299.2
2021-01-01 0.007 165.0
2022-01-01 0.005 295.1
2023-01-01 0.008 163.1
2024-01-01 0.005 291.3
2025-01-01 0.008 161.3
2026-01-01 0.006 287.7
2027-01-01 0.008 159.5
2028-01-01 0.006 284.2
2029-01-01 0.008 157.8
2030-01-01 0.006 280.9

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

grafico orbita





wds09276-3500r.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
09276-3500 B 2215 1951 3 161 0.1 7.40 7.50 A5III/IV NO 092738.42-350026.5
09276-3500 B 2215 2009 5 344 0.0 7.40 7.50 A5III/IV NO 092738.42-350026.5
09276-3500 B 2215 2012 6 38 0.0 7.40 7.50 A5III/IV NO 092738.42-350026.5

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