06093-3550 WHH 1 AB (HD 42069)
06h 09m 19.21s -35° 49' 31.1" P.A. 241.00 sep 2.9 mag 7.03,12.01 Sp M1Ve+L4
| Coord 2000 |
06093-3550 |
|
Discov num |
WHH 1 |
|
Comp |
AB |
|
Coord arcsec 2000 |
06 09 19.21 -35 49 31.1 |
|
| Date first |
2009 |
|
Date last |
2018 |
|
Obs |
3 |
|
| Pa first |
244 |
|
Pa last |
241 |
|
P.A. Now (θ) |
241° |
|
| Sep first |
3.2 |
|
Sep last |
2.925 |
|
Sep. Now (ρ) |
2.925" |
|
| Mag pri |
7.03 |
|
Mag sec |
12.01 |
|
delta mag (ΔM) |
4.98 |
|
Spectral class |
M1Ve+L4 (red/very deep red) |
|
| Pri motion ra |
-006 |
|
Sec motion ra |
|
|
| Pri motion dec |
-057 |
|
Sec motion dec |
|
|
| Notes |
N
O
K
(See Notes, Orbital solution, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
06093-3550 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 42069 |
|
06 09 19 -35 49 31 |
WHH 1 AB |
2018 |
3 |
241 |
2.9 |
7.03 |
12.01 |
4.98 |
Y |
<=== |
| Show |
|
95298 |
06 09 19 -35 49 31 |
WHH 1 AC |
2010 |
2 |
276 |
5.3 |
7.03 |
|
|
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 42069 |
|
Constellation |
Columba |
|
Tycho2 |
7084-00794-1 |
|
Gaia DR2 |
2885863400349980288 |
|
| HD |
42069 |
|
ORBITAL ELEMENTS
| Period (P) | 5380y3 | ± 900 |
Periastron (T) | 2262.6366y | ± 594.61 |
Semi-major axis (a) | 10.7569a | ± 5.8025 |
| Eccentricity (e) | 0.94 | ± 0.033 |
Inclination (i) | 151° | ± 20 |
Longitude of periastron (ω) | 136° | ± 33 |
| Node (Ω) | 260° | ± 22 |
Notes | n | |
Reference | Bwl2020 | |
| Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
272.6 |
6.795 |
| 2001 |
272.6 |
6.778 |
| 2002 |
272.5 |
6.762 |
| 2003 |
272.5 |
6.745 |
| 2004 |
272.4 |
6.728 |
| 2005 |
272.4 |
6.712 |
| 2006 |
272.3 |
6.695 |
| 2007 |
272.3 |
6.678 |
| 2008 |
272.2 |
6.661 |
| 2009 |
272.2 |
6.644 |
| 2010 |
272.1 |
6.627 |
| 2011 |
272.1 |
6.610 |
| 2012 |
272.0 |
6.593 |
| 2013 |
272.0 |
6.576 |
| 2014 |
271.9 |
6.559 |
| 2015 |
271.8 |
6.542 |
| 2016 |
271.8 |
6.525 |
| 2017 |
271.7 |
6.508 |
| 2018 |
271.7 |
6.491 |
| 2019 |
271.6 |
6.474 |
| 2020 |
271.6 |
6.456 |
| 2021 |
271.5 |
6.439 |
| 2022 |
271.5 |
6.422 |
| 2023 |
271.4 |
6.405 |
| 2024 |
271.4 |
6.387 |
| 2025 |
271.3 |
6.370 |
| 2026 |
271.2 |
6.352 |
| 2027 |
271.2 |
6.335 |
| 2028 |
271.1 |
6.317 |
| 2029 |
271.1 |
6.300 |
| 2030 |
271.0 |
6.282 |
| 2031 |
270.9 |
6.265 |
| 2032 |
270.9 |
6.247 |
| 2033 |
270.8 |
6.229 |
| 2034 |
270.8 |
6.212 |
| 2035 |
270.7 |
6.194 |
| 2036 |
270.6 |
6.176 |
| 2037 |
270.6 |
6.158 |
| 2038 |
270.5 |
6.140 |
| 2039 |
270.5 |
6.122 |
| 2040 |
270.4 |
6.104 |
| 2041 |
270.3 |
6.086 |
| 2042 |
270.3 |
6.068 |
| 2043 |
270.2 |
6.050 |
| 2044 |
270.2 |
6.032 |
| 2045 |
270.1 |
6.014 |
| 2046 |
270.0 |
5.996 |
| 2047 |
270.0 |
5.978 |
| 2048 |
269.9 |
5.959 |
| 2049 |
269.8 |
5.941 |
| 2050 |
269.8 |
5.923 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
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