06047-4505 HJ 3834 AB (HD 41742)
06h 04m 40.10s -45° 04' 44.1" P.A. 214.00 sep 5.8 mag 6.02,8.98 Sp F5V dist. 26.9 pc (87.75 l.y.)
| Coord 2000 |
06047-4505 |
|
Discov num |
HJ 3834 |
|
Comp |
AB |
|
Coord arcsec 2000 |
06 04 40.10 -45 04 44.1 |
|
| Date first |
1837 |
|
Date last |
2020 |
|
Obs |
44 |
|
| Pa first |
246 |
|
Pa last |
213.5 |
|
P.A. Now (θ) |
213.5° |
|
| Sep first |
1.1 |
|
Sep last |
5.77 |
|
Sep. Now (ρ) |
5.77" |
|
| Mag pri |
6.02 |
|
Mag sec |
8.98 |
|
delta mag (ΔM) |
2.96 |
|
Spectral class |
F5V (yellow-white) |
|
| Pri motion ra |
-080 |
|
Sec motion ra |
-083 |
|
| Pri motion dec |
+254 |
|
Sec motion dec |
+236 |
|
| Notes |
N
O
T
(See Notes, Orbital solution, Parallax indicates physical) |
|
rPM=0.069 (< 0.3, Physical double)
This double is physical.
06047-4505 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 41742 |
217706 |
06 04 40 -45 04 44 |
HJ 3834 AB |
2020 |
44 |
214 |
5.8 |
6.02 |
8.98 |
2.96 |
Y |
<=== |
| Show |
|
217706 |
06 04 40 -45 04 44 |
EHR 7 AC |
2008 |
3 |
103 |
7.9 |
4.70 |
13.40 |
8.70 |
|
|
| Show |
|
217706 |
06 04 40 -45 04 44 |
EHR 7 AD |
2008 |
3 |
355 |
7.7 |
4.70 |
13.90 |
9.20 |
|
|
| Show |
|
217706 |
06 04 40 -45 04 44 |
HJ 3834 AE |
2015 |
15 |
321 |
196.1 |
6.02 |
6.39 |
0.37 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 41742 |
|
Constellation |
Puppis |
|
SAO |
217706 |
|
HIP |
28790 |
|
| Tycho2 |
8101-01755-1 |
|
Gaia DR2 |
5567901976544151168 |
|
HD |
41742 |
|
HR |
2158 |
|
| GC |
7727 |
|
CD |
CD-45 2302 |
|
CP |
CP-45 755 |
|
Distance |
26.9 |
|
| Distance ly |
87.75 |
|
ORBITAL ELEMENTS
| Period (P) | 1474.9822y | ± 666.6665 |
Periastron (T) | 1710.78y | ± 82.3797 |
Semi-major axis (a) | 6.06796a | ± 4.60201 |
| Eccentricity (e) | 0.74942 | ± 0.19312 |
Inclination (i) | 114.575° | ± 16.663 |
Longitude of periastron (ω) | 342.121° | ± 92.706 |
| Node (Ω) | 11.845° | ± 15.288 |
Notes | n | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2010 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
216.0 |
5.721 |
| 2001 |
215.9 |
5.739 |
| 2002 |
215.9 |
5.757 |
| 2003 |
215.8 |
5.776 |
| 2004 |
215.7 |
5.794 |
| 2005 |
215.6 |
5.811 |
| 2006 |
215.6 |
5.829 |
| 2007 |
215.5 |
5.847 |
| 2008 |
215.4 |
5.865 |
| 2009 |
215.3 |
5.883 |
| 2010 |
215.3 |
5.901 |
| 2011 |
215.2 |
5.918 |
| 2012 |
215.1 |
5.936 |
| 2013 |
215.1 |
5.954 |
| 2014 |
215.0 |
5.971 |
| 2015 |
214.9 |
5.989 |
| 2016 |
214.9 |
6.006 |
| 2017 |
214.8 |
6.024 |
| 2018 |
214.7 |
6.041 |
| 2019 |
214.7 |
6.059 |
| 2020 |
214.6 |
6.076 |
| 2021 |
214.5 |
6.093 |
| 2022 |
214.5 |
6.111 |
| 2023 |
214.4 |
6.128 |
| 2024 |
214.3 |
6.145 |
| 2025 |
214.3 |
6.162 |
| 2026 |
214.2 |
6.179 |
| 2027 |
214.1 |
6.196 |
| 2028 |
214.1 |
6.213 |
| 2029 |
214.0 |
6.230 |
| 2030 |
213.9 |
6.247 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
