17077+0722 YSC 62
17h 07m 40.84s +07° 22' 06.6" P.A. 4.00 sep 0.1 mag 9.25,10.04 Sp M5V
| Coord 2000 |
17077+0722 |
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Discov num |
YSC 62 |
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Comp |
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Coord arcsec 2000 |
17 07 40.84 +07 22 06.6 |
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| Date first |
2006 |
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Date last |
2021 |
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Obs |
22 |
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| Pa first |
63 |
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Pa last |
3.6 |
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P.A. Now (θ) |
79.3° |
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| Sep first |
0.1 |
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Sep last |
0.078 |
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Sep. Now (ρ) |
0.246" |
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| Mag pri |
9.25 |
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Mag sec |
10.04 |
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delta mag (ΔM) |
0.79 |
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Spectral class |
M5V (red) |
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| Pri motion ra |
-492 |
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Sec motion ra |
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| Pri motion dec |
-387 |
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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
ORBITAL ELEMENTS
| Period (P) | 14.108y | ± 0.053 |
Periastron (T) | 2006.502y | ± 0.032 |
Semi-major axis (a) | 298m | ± 1.4 |
| Eccentricity (e) | 0.5087 | ± 0.0051 |
Inclination (i) | 114.46° | ± 0.3 |
Longitude of periastron (ω) | 200.72° | ± 0.79 |
| Node (Ω) | 61.01° | ± 0.2 |
Notes | n | |
Reference | Mdz2021 | |
| Equinox | | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
49.6 |
0.410 |
| 2001 |
44.2 |
0.366 |
| 2002 |
37.0 |
0.303 |
| 2003 |
25.1 |
0.223 |
| 2004 |
358.9 |
0.140 |
| 2005 |
298.5 |
0.111 |
| 2006 |
250.6 |
0.151 |
| 2007 |
201.6 |
0.094 |
| 2008 |
100.7 |
0.135 |
| 2009 |
77.9 |
0.257 |
| 2010 |
69.1 |
0.347 |
| 2011 |
63.4 |
0.404 |
| 2012 |
58.8 |
0.432 |
| 2013 |
54.5 |
0.434 |
| 2014 |
50.1 |
0.414 |
| 2015 |
44.9 |
0.372 |
| 2016 |
37.9 |
0.310 |
| 2017 |
26.8 |
0.232 |
| 2018 |
3.1 |
0.148 |
| 2019 |
305.8 |
0.109 |
| 2020 |
254.4 |
0.149 |
| 2021 |
210.6 |
0.104 |
| 2022 |
106.0 |
0.121 |
| 2023 |
79.3 |
0.246 |
| 2024 |
69.8 |
0.339 |
| 2025 |
63.9 |
0.399 |
| 2026 |
59.3 |
0.430 |
| 2027 |
55.0 |
0.435 |
| 2028 |
50.6 |
0.417 |
| 2029 |
45.5 |
0.377 |
| 2030 |
38.8 |
0.318 |
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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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