21492-3538 B 1013 (HD 207363)
21h 49m 12.69s -35° 38' 18.7" P.A. 329.00 sep 0.0 mag 8.90,9.00 Sp F6/7V dist. 103.09 pc (336.28 l.y.)
| Coord 2000 |
21492-3538 |
|
Discov num |
B 1013 |
|
Comp |
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Coord arcsec 2000 |
21 49 12.69 -35 38 18.7 |
|
| Date first |
1927 |
|
Date last |
2021 |
|
Obs |
15 |
|
| Pa first |
132 |
|
Pa last |
329.3 |
|
P.A. Now (θ) |
282.5° |
|
| Sep first |
0.2 |
|
Sep last |
0.017 |
|
Sep. Now (ρ) |
0.054" |
|
| Mag pri |
8.90 |
|
Mag sec |
9.00 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
F6/7V (yellow-white) |
|
| Pri motion ra |
+061 |
|
Sec motion ra |
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|
| Pri motion dec |
-087 |
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Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 207363 |
|
Constellation |
Piscis Austrinus |
|
SAO |
213312 |
|
HIP |
107715 |
|
| Tycho2 |
7494-00740-1 |
|
Gaia DR2 |
6587983716098250368 |
|
HD |
207363 |
|
CD |
CD-3615029 |
|
| CP |
CP-36 9479 |
|
Distance |
103.09 |
|
Distance ly |
336.28 |
|
ORBITAL ELEMENTS
| Period (P) | 38.62y | ± 0.95 |
Periastron (T) | 2021.9y | ± 0.42 |
Semi-major axis (a) | 0.15a | ± 0.005 |
| Eccentricity (e) | 0.736 | ± 0.102 |
Inclination (i) | 108.2° | ± 3.3 |
Longitude of periastron (ω) | 126.3° | ± 2.8 |
| Node (Ω) | 109.6° | ± 4.5 |
Notes | | |
Reference | Tok2021c | |
| Equinox | 2000 | |
Last observation | 2021 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
137.2 |
0.149 |
| 2001 |
135.3 |
0.157 |
| 2002 |
133.6 |
0.164 |
| 2003 |
132.0 |
0.170 |
| 2004 |
130.5 |
0.176 |
| 2005 |
129.1 |
0.181 |
| 2006 |
127.8 |
0.185 |
| 2007 |
126.5 |
0.188 |
| 2008 |
125.3 |
0.190 |
| 2009 |
124.1 |
0.191 |
| 2010 |
122.8 |
0.191 |
| 2011 |
121.6 |
0.190 |
| 2012 |
120.4 |
0.187 |
| 2013 |
119.1 |
0.183 |
| 2014 |
117.7 |
0.177 |
| 2015 |
116.2 |
0.169 |
| 2016 |
114.6 |
0.158 |
| 2017 |
112.6 |
0.144 |
| 2018 |
110.2 |
0.126 |
| 2019 |
106.8 |
0.103 |
| 2020 |
100.9 |
0.072 |
| 2021 |
81.1 |
0.030 |
| 2022 |
306.8 |
0.030 |
| 2023 |
282.5 |
0.054 |
| 2024 |
268.7 |
0.057 |
| 2025 |
254.3 |
0.054 |
| 2026 |
237.7 |
0.050 |
| 2027 |
219.7 |
0.049 |
| 2028 |
202.2 |
0.052 |
| 2029 |
187.3 |
0.058 |
| 2030 |
175.7 |
0.066 |
|
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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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