09186+2944 A 221 Ba,Bb
09h 18m 35.04s +29° 44' 26.6" P.A. 210.00 sep 0.2 mag 9.80,10.10 Sp G
| Coord 2000 |
09186+2944 |
|
Discov num |
A 221 |
|
Comp |
Ba,Bb |
|
Coord arcsec 2000 |
09 18 35.04 +29 44 26.6 |
|
| Date first |
1901 |
|
Date last |
2021 |
|
Obs |
28 |
|
| Pa first |
302 |
|
Pa last |
210 |
|
P.A. Now (θ) |
210° |
|
| Sep first |
0.3 |
|
Sep last |
0.162 |
|
Sep. Now (ρ) |
0.162" |
|
| Mag pri |
9.80 |
|
Mag sec |
10.10 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
G (yellow) |
|
| Pri motion ra |
-064 |
|
Sec motion ra |
|
|
| Pri motion dec |
-070 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
09186+2944 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 80131 |
61393 |
09 18 50 +29 49 14 |
HJL 1054 AB |
2015 |
15 |
213 |
343.4 |
8.34 |
9.93 |
1.59 |
|
|
| Show |
|
|
09 18 35 +29 44 27 |
A 221 Ba,Bb |
2021 |
28 |
210 |
0.2 |
9.80 |
10.10 |
0.30 |
Y |
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cancer |
|
Tycho2 |
1958-00854-1 |
|
Gaia DR2 |
698832724279410560 |
|
HD |
80101 |
|
| ADS |
7288 |
|
ORBITAL ELEMENTS
| Period (P) | 184y | |
Periastron (T) | 1881.1y | |
Semi-major axis (a) | 0.591a | |
| Eccentricity (e) | 0.9 | |
Inclination (i) | 99.2° | |
Longitude of periastron (ω) | 82.7° | |
| Node (Ω) | 142.3° | |
Notes | | |
Reference | Tok2019e | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
236.6 |
0.170 |
| 2001 |
235.0 |
0.169 |
| 2002 |
233.3 |
0.168 |
| 2003 |
231.6 |
0.167 |
| 2004 |
229.9 |
0.166 |
| 2005 |
228.2 |
0.166 |
| 2006 |
226.4 |
0.165 |
| 2007 |
224.7 |
0.165 |
| 2008 |
222.9 |
0.164 |
| 2009 |
221.1 |
0.164 |
| 2010 |
219.4 |
0.164 |
| 2011 |
217.6 |
0.164 |
| 2012 |
215.8 |
0.164 |
| 2013 |
214.1 |
0.165 |
| 2014 |
212.3 |
0.165 |
| 2015 |
210.6 |
0.166 |
| 2016 |
208.9 |
0.166 |
| 2017 |
207.2 |
0.167 |
| 2018 |
205.5 |
0.168 |
| 2019 |
203.8 |
0.169 |
| 2020 |
202.1 |
0.170 |
| 2021 |
200.5 |
0.171 |
| 2022 |
198.9 |
0.172 |
| 2023 |
197.3 |
0.173 |
| 2024 |
195.7 |
0.175 |
| 2025 |
194.2 |
0.176 |
| 2026 |
192.6 |
0.178 |
| 2027 |
191.1 |
0.179 |
| 2028 |
189.7 |
0.181 |
| 2029 |
188.2 |
0.183 |
| 2030 |
186.8 |
0.184 |
| 2031 |
185.4 |
0.186 |
| 2032 |
184.1 |
0.188 |
| 2033 |
182.7 |
0.189 |
| 2034 |
181.4 |
0.191 |
| 2035 |
180.1 |
0.193 |
| 2036 |
178.8 |
0.195 |
| 2037 |
177.6 |
0.196 |
| 2038 |
176.4 |
0.198 |
| 2039 |
175.2 |
0.200 |
| 2040 |
174.0 |
0.201 |
| 2041 |
172.8 |
0.203 |
| 2042 |
171.7 |
0.204 |
| 2043 |
170.5 |
0.205 |
| 2044 |
169.4 |
0.207 |
| 2045 |
168.3 |
0.208 |
| 2046 |
167.2 |
0.209 |
| 2047 |
166.1 |
0.209 |
| 2048 |
165.0 |
0.210 |
| 2049 |
163.9 |
0.210 |
| 2050 |
162.9 |
0.210 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
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