15035-4035 I  1262

 
 
15h 03m 32.00s -40 35' 22.8" P.A. 29.60 sep 0.4 mag 9.78,9.58 Sp F3V dist. 164.2 pc (535.62 l.y.)
 
 
Coord 2000
15035-4035
Discov num
I  1262
Comp
Coord arcsec 2000
15 03 32.00 -40 35 22.8
Date first
1927
Date last
2016
Obs
18
Pa first
223
Pa last
27
P.A. Now (θ)
29.6°
Sep first
0.2
Sep last
0.4
Sep. Now (ρ)
0.39"
Mag pri
9.78
Mag sec
9.58
delta mag (ΔM)
0.2
Spectral class
F3V (yellow-white)
Pri motion ra
-015
Sec motion ra
Pri motion dec
-024
Sec motion dec
Notes
N O (See Notes, Orbital solution)
Visually invisible, K-band or other infrared star This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
26.8
Precise sep
0.38
Constellation
Lupus
SAO
225407
HIP
73667
Tycho2
7825-02014-1
Gaia DR2
25287435776
HD
133022
CD
CD-40 9221
CP
CP-40 6793
Distance
164.2
Distance ly
535.62
last precise pa
26.8
last precise sep
0.38
 
 
ORBITAL ELEMENTS
 
 
Period (P)235y Periastron (T)1920.6y Semi-major axis (a)0.3122a
Eccentricity (e)0.257 Inclination (i)52.6° Longitude of periastron (ω)189.6°
Node (Ω)33.6° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.340 15.9
2001 0.343 16.6
2002 0.347 17.3
2003 0.349 18.1
2004 0.352 18.8
2005 0.355 19.5
2006 0.358 20.2
2007 0.360 20.8
2008 0.363 21.5
2009 0.365 22.2
2010 0.367 22.8
2011 0.370 23.5
2012 0.372 24.1
2013 0.374 24.7
2014 0.375 25.4
2015 0.377 26.0
2016 0.379 26.6
2017 0.380 27.2
2018 0.382 27.8
2019 0.383 28.4
2020 0.384 29.0
2021 0.386 29.6
2022 0.387 30.2
2023 0.387 30.8
2024 0.388 31.4
2025 0.389 31.9
2026 0.390 32.5
2027 0.390 33.1
2028 0.391 33.7
2029 0.391 34.2
2030 0.391 34.8

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






wds15035-4035b.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
15035-4035 I 1262 1991 16 188 0.3 9.53 9.85 F3V NOD 150332.00-403522.8
15035-4035 I 1262 2009 17 22 0.4 9.53 9.85 F3V NOD 150332.00-403522.8
15035-4035 I 1262 2016 18 27 0.4 9.78 9.58 F3V NO 150332.00-403522.8

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