04590-1623 BU 314 AB (NSV1793)
04h 59m 01.33s -16° 22' 33.0" P.A. 316.00 sep 0.7 mag 5.92,7.50 Sp F3V+F9V dist. 40.47 pc (132.01 l.y.)
| Coord 2000 |
04590-1623 |
|
Discov num |
BU 314 |
|
Comp |
AB |
|
Coord arcsec 2000 |
04 59 01.33 -16 22 33.0 |
|
| Date first |
1875 |
|
Date last |
2021 |
|
Obs |
104 |
|
| Pa first |
320 |
|
Pa last |
315.8 |
|
P.A. Now (θ) |
315.3° |
|
| Sep first |
0.5 |
|
Sep last |
0.705 |
|
Sep. Now (ρ) |
0.711" |
|
| Mag pri |
5.92 |
|
Mag sec |
7.50 |
|
delta mag (ΔM) |
1.58 |
|
Spectral class |
F3V+F9V (yellow-white/yellow-white) |
|
| Pri motion ra |
-141 |
|
Sec motion ra |
-132 |
|
| Pri motion dec |
+147 |
|
Sec motion dec |
+136 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
rPM=0.07 (< 0.3, Physical double)
This double is physical.
04590-1623 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
NSV1793 |
150052 |
04 59 01 -16 22 33 |
BU 314 AB |
2021 |
104 |
316 |
0.7 |
5.92 |
7.50 |
1.58 |
Y |
<=== |
| Show |
|
150052 |
04 59 01 -16 22 33 |
BU 314 AB,C |
2007 |
12 |
55 |
53.3 |
5.92 |
10.36 |
4.44 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
NSV1793 |
|
Constellation |
Lepus |
|
SAO |
150052 |
|
HIP |
23166 |
|
| Tycho2 |
5900-01176-1 |
|
Gaia DR2 |
2980171639399498240 |
|
HD |
31925 |
|
HR |
1604 |
|
| GC |
6082 |
|
ADS |
3588 |
|
BD |
BD-16 1013 |
|
Distance |
40.47 |
|
| Distance ly |
132.01 |
|
ORBITAL ELEMENTS
| Period (P) | 58.74y | |
Periastron (T) | 2037.84y | |
Semi-major axis (a) | 0.446a | |
| Eccentricity (e) | 0.914 | |
Inclination (i) | 122.8° | |
Longitude of periastron (ω) | 351° | |
| Node (Ω) | 136.4° | |
Notes | n | |
Reference | Doc2019e | |
| Equinox | 2000 | |
Last observation | 2016 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
324.6 |
0.788 |
| 2001 |
324.2 |
0.800 |
| 2002 |
323.8 |
0.811 |
| 2003 |
323.4 |
0.820 |
| 2004 |
323.0 |
0.828 |
| 2005 |
322.6 |
0.834 |
| 2006 |
322.2 |
0.839 |
| 2007 |
321.9 |
0.843 |
| 2008 |
321.5 |
0.846 |
| 2009 |
321.1 |
0.847 |
| 2010 |
320.7 |
0.846 |
| 2011 |
320.4 |
0.845 |
| 2012 |
320.0 |
0.842 |
| 2013 |
319.6 |
0.837 |
| 2014 |
319.2 |
0.832 |
| 2015 |
318.8 |
0.824 |
| 2016 |
318.4 |
0.816 |
| 2017 |
318.0 |
0.806 |
| 2018 |
317.6 |
0.794 |
| 2019 |
317.2 |
0.781 |
| 2020 |
316.7 |
0.766 |
| 2021 |
316.3 |
0.750 |
| 2022 |
315.8 |
0.731 |
| 2023 |
315.3 |
0.711 |
| 2024 |
314.7 |
0.689 |
| 2025 |
314.1 |
0.665 |
| 2026 |
313.5 |
0.639 |
| 2027 |
312.8 |
0.610 |
| 2028 |
312.0 |
0.579 |
| 2029 |
311.2 |
0.545 |
| 2030 |
310.2 |
0.507 |
|
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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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