15567-4219 BIL   5

 
 
15h 56m 41.90s -42 19' 23.1" P.A. 117 sep 0.1 mag 5.20,10.00 Sp F6IIIe dist. 233.1 pc (760.37 l.y.)
 
 
Coord 2000
15567-4219
Discov num
BIL   5
Comp
Coord arcsec 2000
15 56 41.90 -42 19 23.1
Date first
2012
Date last
2014
Obs
7
Pa first
133
Pa last
117
P.A. Now (θ)
117°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
5.20
Mag sec
10.00
delta mag (ΔM)
4.8
Spectral class
F6IIIe (yellow-white)
Pri motion ra
-011
Sec motion ra
Pri motion dec
-024
Sec motion dec
Notes
N K (See Notes, K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
116.6
Precise sep
0.077
Cdsa2 id
BIL 5
Constellation
Lupus
SAO
226389
HIP
78092
Tycho2
7846-00688-1
HD
142527
CD
CD-4110447
CP
CP-41 7393
Ra deg
15.944972222222223
De deg
-42.32308333333334
Distance
233.1
Distance ly
760.37
last precise pa
116.6
last precise sep
0.077
 
 
ORBITAL ELEMENTS
 
 
Period (P) Periastron (T) Semi-major axis (a)0.14a± 0.095
Eccentricity (e)0.5± 0.2 Inclination (i)125°± 15 Longitude of periastron (ω)°
Node (Ω)355°± 40 Note Grade7(1=Definitive, 9=Indet.)
Equinox Last observation2014
label rho theta
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030

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

grafico orbita





 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15567-4219 BIL 5 2012 1 133 0.1 5.20 10.00 F6IIIe N K 155641.90-421923.1
15567-4219 BIL 5 2014 7 117 0.1 5.20 10.00 F6IIIe N K 155641.90-421923.1

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