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 | | |
Reference | Zir2013d | |
| Equinox | 2000 | |
Last observation | 2008 | |
Grade | 4 | (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 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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