23357-2729 SEE 492 AB (HD 221839)
23h 35m 40.06s -27° 29' 25.7" P.A. 43.00 sep 0.7 mag 6.84,9.18 Sp F9V dist. 38.51 pc (125.62 l.y.)
| Coord 2000 |
23357-2729 |
|
Discov num |
SEE 492 |
|
Comp |
AB |
|
Coord arcsec 2000 |
23 35 40.06 -27 29 25.7 |
|
| Date first |
1897 |
|
Date last |
2021 |
|
Obs |
67 |
|
| Pa first |
265 |
|
Pa last |
42.6 |
|
P.A. Now (θ) |
43.8° |
|
| Sep first |
0.4 |
|
Sep last |
0.689 |
|
Sep. Now (ρ) |
0.694" |
|
| Mag pri |
6.84 |
|
Mag sec |
9.18 |
|
delta mag (ΔM) |
2.34 |
|
Spectral class |
F9V (yellow-white) |
|
| Pri motion ra |
+094 |
|
Sec motion ra |
+094 |
|
| Pri motion dec |
-155 |
|
Sec motion dec |
-155 |
|
| Notes |
N
O
W
(See Notes, Orbital solution, ) |
|
This double is physical.
23357-2729 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 221839 |
192020 |
23 35 40 -27 29 26 |
SEE 492 AB |
2021 |
67 |
43 |
0.7 |
6.84 |
9.18 |
2.34 |
Y |
<=== |
| Show |
|
192020 |
23 35 40 -27 29 26 |
SKF 2110 AC |
2010 |
4 |
272 |
162.5 |
6.70 |
16.40 |
9.70 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 221839 |
|
Constellation |
Sculptor |
|
SAO |
192020 |
|
HIP |
116436 |
|
| Tycho2 |
6983-01298-1 |
|
Gaia DR2 |
2331919340510674944 |
|
HD |
221839 |
|
GC |
32802 |
|
| ADS |
16850 |
|
CD |
CD-2818257 |
|
Distance |
38.51 |
|
Distance ly |
125.62 |
|
ORBITAL ELEMENTS
| Period (P) | 77.75y | |
Periastron (T) | 1969.11y | |
Semi-major axis (a) | 0.601a | |
| Eccentricity (e) | 0.491 | |
Inclination (i) | 50° | |
Longitude of periastron (ω) | 110.6° | |
| Node (Ω) | 72.1° | |
Notes | n | |
Reference | Doc2015g | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
351.1 |
0.562 |
| 2001 |
354.0 |
0.570 |
| 2002 |
356.9 |
0.577 |
| 2003 |
359.6 |
0.585 |
| 2004 |
2.3 |
0.593 |
| 2005 |
5.0 |
0.601 |
| 2006 |
7.5 |
0.609 |
| 2007 |
10.0 |
0.617 |
| 2008 |
12.5 |
0.625 |
| 2009 |
14.8 |
0.632 |
| 2010 |
17.1 |
0.640 |
| 2011 |
19.4 |
0.647 |
| 2012 |
21.6 |
0.654 |
| 2013 |
23.8 |
0.661 |
| 2014 |
25.9 |
0.667 |
| 2015 |
28.0 |
0.673 |
| 2016 |
30.0 |
0.678 |
| 2017 |
32.0 |
0.683 |
| 2018 |
34.0 |
0.687 |
| 2019 |
36.0 |
0.690 |
| 2020 |
38.0 |
0.692 |
| 2021 |
39.9 |
0.694 |
| 2022 |
41.9 |
0.694 |
| 2023 |
43.8 |
0.694 |
| 2024 |
45.8 |
0.692 |
| 2025 |
47.7 |
0.689 |
| 2026 |
49.7 |
0.685 |
| 2027 |
51.7 |
0.679 |
| 2028 |
53.8 |
0.672 |
| 2029 |
55.9 |
0.663 |
| 2030 |
58.1 |
0.652 |
|
|
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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