10275+0334 STT 218 (HD 90572)
10h 27m 30.21s +03° 33' 48.7" P.A. 187.00 sep 0.3 mag 7.44,9.60 Sp K0 dist. 138.31 pc (451.17 l.y.)
| Coord 2000 |
10275+0334 |
|
Discov num |
STT 218 |
|
Comp |
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Coord arcsec 2000 |
10 27 30.21 +03 33 48.7 |
|
| Date first |
1843 |
|
Date last |
2021 |
|
Obs |
86 |
|
| Pa first |
58 |
|
Pa last |
187 |
|
P.A. Now (θ) |
187° |
|
| Sep first |
0.8 |
|
Sep last |
0.345 |
|
Sep. Now (ρ) |
0.345" |
|
| Mag pri |
7.44 |
|
Mag sec |
9.60 |
|
delta mag (ΔM) |
2.16 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
-131 |
|
Sec motion ra |
-131 |
|
| Pri motion dec |
-022 |
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Sec motion dec |
-022 |
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| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 90572 |
|
Constellation |
Sextans |
|
SAO |
118314 |
|
HIP |
51204 |
|
| Tycho2 |
0249-01240-1 |
|
Gaia DR2 |
3857109261507109376 |
|
HD |
90572 |
|
GC |
14355 |
|
| ADS |
7779 |
|
BD |
BD+04 2333 |
|
Distance |
138.31 |
|
Distance ly |
451.17 |
|
ORBITAL ELEMENTS
| Period (P) | 2450y | |
Periastron (T) | 1982.6y | |
Semi-major axis (a) | 2.65a | |
| Eccentricity (e) | 0.724 | |
Inclination (i) | 61.4° | |
Longitude of periastron (ω) | 48.8° | |
| Node (Ω) | 89.6° | |
Notes | | |
Reference | USN2002 | |
| Equinox | 2000 | |
Last observation | 1997 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
144.6 |
0.419 |
| 2001 |
146.5 |
0.414 |
| 2002 |
148.5 |
0.409 |
| 2003 |
150.6 |
0.405 |
| 2004 |
152.7 |
0.401 |
| 2005 |
154.8 |
0.397 |
| 2006 |
157.0 |
0.394 |
| 2007 |
159.2 |
0.391 |
| 2008 |
161.5 |
0.389 |
| 2009 |
163.7 |
0.388 |
| 2010 |
166.0 |
0.387 |
| 2011 |
168.3 |
0.386 |
| 2012 |
170.6 |
0.386 |
| 2013 |
172.9 |
0.386 |
| 2014 |
175.1 |
0.387 |
| 2015 |
177.4 |
0.389 |
| 2016 |
179.7 |
0.391 |
| 2017 |
181.9 |
0.393 |
| 2018 |
184.1 |
0.396 |
| 2019 |
186.2 |
0.400 |
| 2020 |
188.3 |
0.404 |
| 2021 |
190.4 |
0.408 |
| 2022 |
192.4 |
0.413 |
| 2023 |
194.4 |
0.418 |
| 2024 |
196.3 |
0.424 |
| 2025 |
198.2 |
0.430 |
| 2026 |
200.0 |
0.436 |
| 2027 |
201.7 |
0.443 |
| 2028 |
203.5 |
0.450 |
| 2029 |
205.1 |
0.458 |
| 2030 |
206.7 |
0.465 |
|
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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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