05270-6837 I   276

 
 
05h 26m 59.84s -68 37' 21.6" P.A. 157.80 sep 1.5 mag 6.66,6.95 Sp F0IV-V dist. 77.88 pc (254.04 l.y.)
 
 
Coord 2000
05270-6837
Discov num
I   276
Comp
Coord arcsec 2000
05 26 59.84 -68 37 21.6
Date first
1898
Date last
2015
Obs
38
Pa first
210
Pa last
159
P.A. Now (θ)
157.8°
Sep first
0.5
Sep last
1.4
Sep. Now (ρ)
1.49"
Mag pri
6.66
Mag sec
6.95
delta mag (ΔM)
0.29
Spectral class
F0IV-V (yellow-white)
Pri motion ra
-004
Sec motion ra
-004
Pri motion dec
-017
Sec motion dec
-017
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
159.2
Precise sep
1.431
Constellation
Dorado
SAO
249281
HIP
25482
Tycho2
9162-00986-1
Gaia DR2
4658497043124726656
HD
36584
HR
1859
CP
CP-68 375
Distance
77.88
Distance ly
254.04
last precise pa
159.2
last precise sep
1.431
 
 
ORBITAL ELEMENTS
 
 
Period (P)795.5y Periastron (T)1869.63y Semi-major axis (a)1.704a
Eccentricity (e)0.887 Inclination (i)129.5° Longitude of periastron (ω)112.3°
Node (Ω)74.8° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2008
label rho theta
2000 1.374 161.7
2001 1.380 161.5
2002 1.385 161.3
2003 1.391 161.1
2004 1.397 160.9
2005 1.403 160.7
2006 1.409 160.5
2007 1.414 160.4
2008 1.420 160.2
2009 1.426 160.0
2010 1.431 159.8
2011 1.437 159.6
2012 1.443 159.4
2013 1.448 159.2
2014 1.454 159.0
2015 1.459 158.9
2016 1.465 158.7
2017 1.470 158.5
2018 1.476 158.3
2019 1.481 158.1
2020 1.487 158.0
2021 1.492 157.8
2022 1.497 157.6
2023 1.503 157.4
2024 1.508 157.3
2025 1.513 157.1
2026 1.519 156.9
2027 1.524 156.8
2028 1.529 156.6
2029 1.534 156.4
2030 1.540 156.3


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



 
 


wds05270-6837a.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
05270-6837 I 276 2001 36 161 1.4 6.66 6.95 F0IV-V D 052659.84-683721.6
05270-6837 I 276 2008 37 161 1.4 6.66 6.95 F0IV-V D 052659.84-683721.6
05270-6837 I 276 2015 38 159 1.4 6.66 6.95 F0IV-V O 052659.84-683721.6

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