15496-0326 CHR 259 (Mu Ser)
15h 49m 37.20s -03° 25' 48.7" P.A. 313.00 sep 0.4 mag 3.75,5.39 Sp A0V dist. 52 pc (169.62 l.y.)
| Coord 2000 |
15496-0326 |
|
Discov num |
CHR 259 |
|
Comp |
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Coord arcsec 2000 |
15 49 37.20 -03 25 48.7 |
|
| Date first |
1991 |
|
Date last |
2021 |
|
Obs |
18 |
|
| Pa first |
106 |
|
Pa last |
312.9 |
|
P.A. Now (θ) |
312.9° |
|
| Sep first |
0.2 |
|
Sep last |
0.426 |
|
Sep. Now (ρ) |
0.426" |
|
| Mag pri |
3.75 |
|
Mag sec |
5.39 |
|
delta mag (ΔM) |
1.64 |
|
Spectral class |
A0V (white) |
|
| Pri motion ra |
-098 |
|
Sec motion ra |
|
|
| Pri motion dec |
-027 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
Mu Ser |
|
Constellation |
Serpens |
|
SAO |
140787 |
|
HIP |
77516 |
|
| Tycho2 |
5022-00936-1 |
|
Gaia DR2 |
4402474042571751424 |
|
HD |
141513 |
|
HR |
5881 |
|
| GC |
21269 |
|
BD |
BD-02 4052 |
|
Bayer |
Mu Serpentis |
|
Bayer name |
Mu Ser |
|
| Flamsteed |
32 Serpentis |
|
Flamsteed name |
32 Ser |
|
FK5 |
585 |
|
Distance |
52 |
|
| Distance ly |
169.62 |
|
Bayer greek |
μ Ser |
|
ORBITAL ELEMENTS
| Period (P) | 71.094y | |
Periastron (T) | 1989.836y | |
Semi-major axis (a) | 0.552a | |
| Eccentricity (e) | 0.662 | |
Inclination (i) | 104.3° | |
Longitude of periastron (ω) | 120.1° | |
| Node (Ω) | 284.4° | |
Notes | | |
Reference | Tok2018e | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
68.6 |
0.219 |
| 2001 |
62.3 |
0.206 |
| 2002 |
55.1 |
0.194 |
| 2003 |
47.1 |
0.185 |
| 2004 |
38.4 |
0.178 |
| 2005 |
29.3 |
0.176 |
| 2006 |
20.1 |
0.177 |
| 2007 |
11.1 |
0.182 |
| 2008 |
2.8 |
0.190 |
| 2009 |
355.3 |
0.201 |
| 2010 |
348.7 |
0.215 |
| 2011 |
343.0 |
0.231 |
| 2012 |
338.0 |
0.248 |
| 2013 |
333.7 |
0.267 |
| 2014 |
329.9 |
0.286 |
| 2015 |
326.6 |
0.305 |
| 2016 |
323.8 |
0.325 |
| 2017 |
321.2 |
0.345 |
| 2018 |
318.9 |
0.365 |
| 2019 |
316.9 |
0.384 |
| 2020 |
315.1 |
0.403 |
| 2021 |
313.4 |
0.422 |
| 2022 |
311.8 |
0.441 |
| 2023 |
310.4 |
0.459 |
| 2024 |
309.1 |
0.477 |
| 2025 |
307.9 |
0.494 |
| 2026 |
306.8 |
0.510 |
| 2027 |
305.7 |
0.526 |
| 2028 |
304.7 |
0.541 |
| 2029 |
303.8 |
0.555 |
| 2030 |
302.9 |
0.568 |
|
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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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