07534-5239 RST 3557
07h 53m 21.16s -52° 39' 13.6" P.A. 151.00 sep 0.1 mag 9.81,11.50 Sp F8 dist. 108.93 pc (355.33 l.y.)
| Coord 2000 |
07534-5239 |
|
Discov num |
RST3557 |
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Comp |
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Coord arcsec 2000 |
07 53 21.16 -52 39 13.6 |
|
| Date first |
1937 |
|
Date last |
2020 |
|
Obs |
7 |
|
| Pa first |
301 |
|
Pa last |
150.6 |
|
P.A. Now (θ) |
150.6° |
|
| Sep first |
0.4 |
|
Sep last |
0.109 |
|
Sep. Now (ρ) |
0.109" |
|
| Mag pri |
9.81 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
1.69 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+098 |
|
Sec motion ra |
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| Pri motion dec |
+018 |
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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
| Constellation |
Carina |
|
HIP |
38526 |
|
Tycho2 |
8553-00734-1 |
|
Gaia DR2 |
5489531880096156416 |
|
| CD |
CD-52 2174 |
|
CP |
CP-52 1324 |
|
Distance |
108.93 |
|
Distance ly |
355.33 |
|
ORBITAL ELEMENTS
| Period (P) | 220y | |
Periastron (T) | 2030.76y | |
Semi-major axis (a) | 0.463a | |
| Eccentricity (e) | 0.2 | |
Inclination (i) | 97.4° | |
Longitude of periastron (ω) | 309° | |
| Node (Ω) | 123.6° | |
Notes | | |
Reference | Tok2021c | |
| Equinox | 2000 | |
Last observation | 2021 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
291.9 |
0.225 |
| 2001 |
291.0 |
0.211 |
| 2002 |
289.9 |
0.198 |
| 2003 |
288.7 |
0.185 |
| 2004 |
287.3 |
0.171 |
| 2005 |
285.6 |
0.157 |
| 2006 |
283.7 |
0.143 |
| 2007 |
281.3 |
0.129 |
| 2008 |
278.3 |
0.116 |
| 2009 |
274.6 |
0.102 |
| 2010 |
269.8 |
0.089 |
| 2011 |
263.3 |
0.077 |
| 2012 |
254.6 |
0.066 |
| 2013 |
242.8 |
0.057 |
| 2014 |
227.5 |
0.051 |
| 2015 |
209.8 |
0.050 |
| 2016 |
192.6 |
0.053 |
| 2017 |
178.4 |
0.060 |
| 2018 |
167.7 |
0.070 |
| 2019 |
159.9 |
0.081 |
| 2020 |
154.0 |
0.094 |
| 2021 |
149.6 |
0.107 |
| 2022 |
146.2 |
0.120 |
| 2023 |
143.4 |
0.134 |
| 2024 |
141.2 |
0.148 |
| 2025 |
139.3 |
0.161 |
| 2026 |
137.7 |
0.175 |
| 2027 |
136.4 |
0.188 |
| 2028 |
135.2 |
0.201 |
| 2029 |
134.2 |
0.214 |
| 2030 |
133.3 |
0.227 |
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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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