23356+2816 BRT 230 AB
23h 35m 34.09s +28° 15' 41.3" P.A. 6.00 sep 3.2 mag 11.39,11.54
| Coord 2000 |
23356+2816 |
|
Discov num |
BRT 230 |
|
Comp |
AB |
|
Coord arcsec 2000 |
23 35 34.09 +28 15 41.3 |
|
| Date first |
1897 |
|
Date last |
2020 |
|
Obs |
35 |
|
| Pa first |
349 |
|
Pa last |
5.9 |
|
P.A. Now (θ) |
5.9° |
|
| Sep first |
1.8 |
|
Sep last |
3.18 |
|
Sep. Now (ρ) |
3.18" |
|
| Mag pri |
11.39 |
|
Mag sec |
11.54 |
|
delta mag (ΔM) |
0.15 |
|
Spectral class |
|
|
| Pri motion ra |
-021 |
|
Sec motion ra |
-021 |
|
| Pri motion dec |
-031 |
|
Sec motion dec |
-031 |
|
| Notes |
O
W
(Orbital solution, ) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Tycho2 |
2256-02685-1 |
|
ADS |
16852 |
|
SUSPECTED ORBITAL ELEMENTS
| Identifier | 23356+2816 BRT 230 |
| coord_arcsec_2000 | 233534.09+281541.3 |
| Period (P) | 1768.1865y | ± 680.6194 |
Periastron (T) | 2201.3128y | ± 412.2656 |
Semi-major axis (a) | 6.5078a | ± 3.37299 |
| Eccentricity (e) | 0.78997 | ± 0.16285 |
Inclination (i) | 91.559° | ± 1.825 |
Longitude of periastron (ω) | 80.727° | ± 14.467 |
| Node (Ω) | 3.381° | ± 5.155 |
Notes | | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
6.0 |
3.175 |
| 2001 |
6.0 |
3.177 |
| 2002 |
5.9 |
3.180 |
| 2003 |
5.9 |
3.183 |
| 2004 |
5.9 |
3.186 |
| 2005 |
5.9 |
3.188 |
| 2006 |
5.9 |
3.191 |
| 2007 |
5.9 |
3.194 |
| 2008 |
5.9 |
3.196 |
| 2009 |
5.8 |
3.199 |
| 2010 |
5.8 |
3.201 |
| 2011 |
5.8 |
3.203 |
| 2012 |
5.8 |
3.206 |
| 2013 |
5.8 |
3.208 |
| 2014 |
5.8 |
3.210 |
| 2015 |
5.8 |
3.212 |
| 2016 |
5.8 |
3.215 |
| 2017 |
5.7 |
3.217 |
| 2018 |
5.7 |
3.219 |
| 2019 |
5.7 |
3.221 |
| 2020 |
5.7 |
3.222 |
| 2021 |
5.7 |
3.224 |
| 2022 |
5.7 |
3.226 |
| 2023 |
5.7 |
3.228 |
| 2024 |
5.6 |
3.229 |
| 2025 |
5.6 |
3.231 |
| 2026 |
5.6 |
3.232 |
| 2027 |
5.6 |
3.234 |
| 2028 |
5.6 |
3.235 |
| 2029 |
5.6 |
3.237 |
| 2030 |
5.6 |
3.238 |
|
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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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