15513-0305 CHR 51 (36 Ser)
15h 51m 15.65s -03° 05' 25.5" P.A. 62.00 sep 0.4 mag 5.20,7.80 Sp A3V+F8 dist. 49.75 pc (162.28 l.y.)
| Coord 2000 |
15513-0305 |
|
Discov num |
CHR 51 |
|
Comp |
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Coord arcsec 2000 |
15 51 15.65 -03 05 25.5 |
|
| Date first |
1985 |
|
Date last |
2018 |
|
Obs |
32 |
|
| Pa first |
206 |
|
Pa last |
62 |
|
P.A. Now (θ) |
59.5° |
|
| Sep first |
0.1 |
|
Sep last |
0.411 |
|
Sep. Now (ρ) |
0.425" |
|
| Mag pri |
5.20 |
|
Mag sec |
7.80 |
|
delta mag (ΔM) |
2.6 |
|
Spectral class |
A3V+F8 (white/yellow-white) |
|
| Pri motion ra |
-084 |
|
Sec motion ra |
|
|
| Pri motion dec |
-027 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
36 Ser |
|
Constellation |
Serpens |
|
SAO |
140801 |
|
HIP |
77660 |
|
| Tycho2 |
5022-00935-1 |
|
Gaia DR2 |
4402884744523453312 |
|
HD |
141851 |
|
HR |
5895 |
|
| GC |
21301 |
|
BD |
BD-02 4058 |
|
Flamsteed |
36 Serpentis |
|
Flamsteed name |
36 Ser |
|
| Distance |
49.75 |
|
Distance ly |
162.28 |
|
ORBITAL ELEMENTS
| Period (P) | 64.842y | |
Periastron (T) | 2033.411y | |
Semi-major axis (a) | 0.562a | |
| Eccentricity (e) | 0.8 | |
Inclination (i) | 94.4° | |
Longitude of periastron (ω) | 100° | |
| Node (Ω) | 54.3° | |
Notes | | |
Reference | Tok2018e | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
80.2 |
0.175 |
| 2001 |
77.8 |
0.192 |
| 2002 |
75.8 |
0.208 |
| 2003 |
74.0 |
0.224 |
| 2004 |
72.5 |
0.240 |
| 2005 |
71.2 |
0.256 |
| 2006 |
70.1 |
0.271 |
| 2007 |
69.0 |
0.286 |
| 2008 |
68.1 |
0.301 |
| 2009 |
67.2 |
0.315 |
| 2010 |
66.5 |
0.329 |
| 2011 |
65.7 |
0.342 |
| 2012 |
65.1 |
0.354 |
| 2013 |
64.4 |
0.366 |
| 2014 |
63.9 |
0.377 |
| 2015 |
63.3 |
0.387 |
| 2016 |
62.8 |
0.397 |
| 2017 |
62.3 |
0.405 |
| 2018 |
61.8 |
0.412 |
| 2019 |
61.3 |
0.418 |
| 2020 |
60.9 |
0.422 |
| 2021 |
60.4 |
0.425 |
| 2022 |
60.0 |
0.426 |
| 2023 |
59.5 |
0.425 |
| 2024 |
59.1 |
0.422 |
| 2025 |
58.6 |
0.415 |
| 2026 |
58.1 |
0.405 |
| 2027 |
57.6 |
0.391 |
| 2028 |
57.1 |
0.371 |
| 2029 |
56.5 |
0.344 |
| 2030 |
55.7 |
0.307 |
|
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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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