10120-2836 B 194 (HD 88522)
10h 12m 02.88s -28° 36' 21.4" P.A. 200.00 sep 0.2 mag 6.78,7.41 Sp A1V dist. 152.67 pc (498.01 l.y.)
| Coord 2000 |
10120-2836 |
|
Discov num |
B 194 |
|
Comp |
|
|
Coord arcsec 2000 |
10 12 02.88 -28 36 21.4 |
|
| Date first |
1926 |
|
Date last |
2014 |
|
Obs |
36 |
|
| Pa first |
11 |
|
Pa last |
199.9 |
|
P.A. Now (θ) |
25.2° |
|
| Sep first |
0.2 |
|
Sep last |
0.196 |
|
Sep. Now (ρ) |
0.255" |
|
| Mag pri |
6.78 |
|
Mag sec |
7.41 |
|
delta mag (ΔM) |
0.63 |
|
Spectral class |
A1V (white) |
|
| Pri motion ra |
-040 |
|
Sec motion ra |
|
|
| Pri motion dec |
+003 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 88522 |
|
Constellation |
Antlia |
|
SAO |
178526 |
|
HIP |
49967 |
|
| Tycho2 |
6630-00998-1 |
|
Gaia DR2 |
5465308986098138112 |
|
HD |
88522 |
|
HR |
4003 |
|
| GC |
14010 |
|
ADS |
7681 |
|
CD |
CD-27 7266 |
|
CP |
CP-27 4055 |
|
| Distance |
152.67 |
|
Distance ly |
498.01 |
|
ORBITAL ELEMENTS
| Period (P) | 91.89y | ± 0.85 |
Periastron (T) | 2003.58y | ± 0.22 |
Semi-major axis (a) | 0.226a | ± 0.003 |
| Eccentricity (e) | 0.676 | ± 0.012 |
Inclination (i) | 76° | ± 0.7 |
Longitude of periastron (ω) | 59.7° | ± 1.1 |
| Node (Ω) | 198.3° | ± 0.5 |
Notes | n | |
Reference | Tok2015c | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
194.3 |
0.101 |
| 2001 |
198.1 |
0.092 |
| 2002 |
203.1 |
0.077 |
| 2003 |
211.4 |
0.055 |
| 2004 |
233.7 |
0.029 |
| 2005 |
313.8 |
0.021 |
| 2006 |
353.2 |
0.046 |
| 2007 |
3.9 |
0.073 |
| 2008 |
8.9 |
0.098 |
| 2009 |
11.9 |
0.120 |
| 2010 |
14.0 |
0.139 |
| 2011 |
15.7 |
0.156 |
| 2012 |
17.0 |
0.171 |
| 2013 |
18.1 |
0.184 |
| 2014 |
19.1 |
0.196 |
| 2015 |
20.0 |
0.206 |
| 2016 |
20.8 |
0.216 |
| 2017 |
21.5 |
0.224 |
| 2018 |
22.2 |
0.231 |
| 2019 |
22.9 |
0.237 |
| 2020 |
23.5 |
0.243 |
| 2021 |
24.1 |
0.247 |
| 2022 |
24.7 |
0.252 |
| 2023 |
25.2 |
0.255 |
| 2024 |
25.8 |
0.258 |
| 2025 |
26.3 |
0.260 |
| 2026 |
26.8 |
0.262 |
| 2027 |
27.3 |
0.263 |
| 2028 |
27.9 |
0.264 |
| 2029 |
28.4 |
0.265 |
| 2030 |
28.9 |
0.265 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
