12152-1019 BUP 139

 
 
12h 15m 10.55s -10° 18' 44.6" P.A. 71.00 sep 42.8 mag 6.11,12.90 Sp F5V dist. 22.35 pc (72.91 l.y.)
 
 
Coord 2000 12152-1019 Discov num BUP 139 Comp Coord arcsec 2000 12 15 10.55 -10 18 44.6
Date first 1909 Date last 2000 Obs 4
Pa first 149 Pa last 70.8 P.A. Now (θ) 70.8°
Sep first 89.4 Sep last 42.844 Sep. Now (ρ) 42.844"
Mag pri 6.11 Mag sec 12.90 delta mag (ΔM) 6.79 Spectral class F5V (yellow-white)
Pri motion ra +004 Sec motion ra
Pri motion dec -102 Sec motion dec
Notes N P (See Notes, 100-year proper motion)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Virgo SAO 157168 HIP 59750 Tycho2 5522-01684-1
HD 106516 HR 4657 GC 16731 BD BD-09 3468
Distance 22.35 Distance ly 72.91
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier12152-1019 BUP 139 A
coord_arcsec_2000121510.54-101835.8
Period (P)843.9d (2.31y) Periastron (T)47589d (1989.17y) Semi-major axis (a)4.4m± 0.5
Eccentricity (e)0.046 Inclination (i)80.7°± 2.3 Longitude of periastron (ω)199°
Node (Ω)108.4°± 3.1 Notesn ReferenceRen2013
Equinox2000 Last observation Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 156.2 0.001
2001-01-01 308.3 0.002
2002-01-01 115.2 0.004
2003-01-01 290.6 0.004
2004-01-01 107.1 0.005
2005-01-01 281.0 0.003
2006-01-01 96.0 0.003
2007-01-01 210.5 0.001
2008-01-01 324.0 0.001
2009-01-01 118.0 0.003
2010-01-01 292.7 0.004
2011-01-01 108.7 0.005
2012-01-01 283.6 0.004
2013-01-01 99.7 0.003
2014-01-01 252.3 0.001
2015-01-01 8.7 0.001
2016-01-01 121.9 0.003
2017-01-01 295.3 0.003
2018-01-01 110.3 0.005
2019-01-01 285.7 0.004
2020-01-01 102.4 0.004
2021-01-01 267.7 0.002
2022-01-01 64.0 0.001
2023-01-01 128.4 0.002
2024-01-01 298.7 0.003
2025-01-01 112.0 0.004
2026-01-01 287.7 0.004
2027-01-01 104.5 0.004
2028-01-01 274.9 0.002
2029-01-01 84.6 0.002
2030-01-01 141.7 0.001


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



 
 


wds12152-1019f.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic