00335-5520 I 45 AB (HD 3075)

 
 
00h 33m 29.70s -55 19' 42.0" P.A. 204.00 sep 0.8 mag 7.65,8.59 Sp A1V dist. 185.53 pc (605.2 l.y.)
 
 
Coord 2000 00335-5520 Discov num I    45 Comp AB Coord arcsec 2000 00 33 29.70 -55 19 42.0
Date first 1895 Date last 2016 Obs 31
Pa first 290 Pa last 203.8 P.A. Now (θ) 203.8°
Sep first 0.5 Sep last 0.82 Sep. Now (ρ) 0.82"
Mag pri 7.65 Mag sec 8.59 delta mag (ΔM) 0.94 Spectral class A1V (white)
Pri motion ra +027 Sec motion ra +027
Pri motion dec +019 Sec motion dec +019
Notes O (Orbital solution)
This double is physical.
 
 
00335-5520 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 3075 232087 00 33 30 -55 19 42 I 45 AB 2016 31 204 0.8 7.65 8.59 0.94 Y <===
Show 232087 00 33 30 -55 19 42 HJ 3376 AB,C 2016 15 242 7.0 7.65 9.86 2.21
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 3075 Constellation Phoenix SAO 232087 HIP 2642
Tycho2 8468-01485-1 Gaia DR2 4921337011392671616 HD 3075 GC 662
CP CP-56 103 Distance 185.53 Distance ly 605.2
 
 
ORBITAL ELEMENTS
 
 
Period (P)665.1y Periastron (T)1773.66y Semi-major axis (a)0.736a
Eccentricity (e)0.023 Inclination (i)129.9° Longitude of periastron (ω)16.2°
Node (Ω)1.2° Notes ReferenceZir2013d
Equinox2000 Last observation2008 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 208.7 0.652
2001 208.3 0.655
2002 207.9 0.657
2003 207.4 0.659
2004 207.0 0.662
2005 206.6 0.664
2006 206.1 0.666
2007 205.7 0.668
2008 205.3 0.671
2009 204.9 0.673
2010 204.5 0.675
2011 204.1 0.677
2012 203.6 0.679
2013 203.2 0.682
2014 202.8 0.684
2015 202.4 0.686
2016 202.0 0.688
2017 201.6 0.690
2018 201.2 0.692
2019 200.9 0.694
2020 200.5 0.696
2021 200.1 0.698
2022 199.7 0.699
2023 199.3 0.701
2024 198.9 0.703
2025 198.5 0.705
2026 198.2 0.707
2027 197.8 0.708
2028 197.4 0.710
2029 197.0 0.712
2030 196.7 0.713


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



 
 


wds00335-5520a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic