19491-6149 I 120 AB
19h 49m 07.25s -61° 48' 53.2" P.A. 166.00 sep 0.4 mag 8.31,8.02 Sp F7/8V dist. 56.31 pc (183.68 l.y.)
| Coord 2000 |
19491-6149 |
|
Discov num |
I 120 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 49 07.25 -61 48 53.2 |
|
| Date first |
1896 |
|
Date last |
2019 |
|
Obs |
59 |
|
| Pa first |
185 |
|
Pa last |
165.8 |
|
P.A. Now (θ) |
160.1° |
|
| Sep first |
0.8 |
|
Sep last |
0.445 |
|
Sep. Now (ρ) |
0.472" |
|
| Mag pri |
8.31 |
|
Mag sec |
8.02 |
|
delta mag (ΔM) |
0.29 |
|
Spectral class |
F7/8V (yellow-white) |
|
| Pri motion ra |
+038 |
|
Sec motion ra |
|
|
| Pri motion dec |
-096 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
19491-6149 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
254655 |
19 49 07 -61 48 53 |
I 120 AB |
2019 |
59 |
166 |
0.4 |
8.31 |
8.02 |
0.29 |
Y |
<=== |
| Show |
|
254655 |
19 49 07 -61 48 53 |
HJ 5141 AB,C |
2020 |
17 |
340 |
14.0 |
7.36 |
10.45 |
3.09 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pavo |
|
SAO |
254655 |
|
HIP |
97508 |
|
Tycho2 |
9085-00729-1 |
|
| HD |
186602 |
|
GC |
27374 |
|
CP |
CP-62 6108 |
|
Distance |
56.31 |
|
| Distance ly |
183.68 |
|
ORBITAL ELEMENTS
| Period (P) | 64.09y | |
Periastron (T) | 1996.49y | |
Semi-major axis (a) | 0.324a | |
| Eccentricity (e) | 0.687 | |
Inclination (i) | 141.2° | |
Longitude of periastron (ω) | 139.5° | |
| Node (Ω) | 118.7° | |
Notes | n | |
Reference | Tok2018b | |
| Equinox | 2000 | |
Last observation | 2017 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
252.0 |
0.156 |
| 2001 |
239.5 |
0.173 |
| 2002 |
229.3 |
0.190 |
| 2003 |
220.9 |
0.208 |
| 2004 |
213.8 |
0.226 |
| 2005 |
207.7 |
0.244 |
| 2006 |
202.5 |
0.261 |
| 2007 |
197.9 |
0.279 |
| 2008 |
193.8 |
0.295 |
| 2009 |
190.2 |
0.312 |
| 2010 |
186.9 |
0.327 |
| 2011 |
184.0 |
0.342 |
| 2012 |
181.2 |
0.357 |
| 2013 |
178.7 |
0.371 |
| 2014 |
176.4 |
0.384 |
| 2015 |
174.2 |
0.396 |
| 2016 |
172.1 |
0.408 |
| 2017 |
170.2 |
0.419 |
| 2018 |
168.3 |
0.430 |
| 2019 |
166.5 |
0.440 |
| 2020 |
164.8 |
0.449 |
| 2021 |
163.2 |
0.457 |
| 2022 |
161.6 |
0.465 |
| 2023 |
160.1 |
0.472 |
| 2024 |
158.7 |
0.479 |
| 2025 |
157.2 |
0.485 |
| 2026 |
155.8 |
0.490 |
| 2027 |
154.4 |
0.494 |
| 2028 |
153.1 |
0.498 |
| 2029 |
151.7 |
0.501 |
| 2030 |
150.4 |
0.503 |
|
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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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