19222-0735 A 102 AB
19h 22m 09.28s -07° 35' 12.6" P.A. 270.00 sep 0.2 mag 9.50,9.50 Sp F2
Coord 2000 |
19222-0735 |
|
Discov num |
A 102 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 22 09.28 -07 35 12.6 |
|
Date first |
1900 |
|
Date last |
2021 |
|
Obs |
23 |
|
Pa first |
219 |
|
Pa last |
269.5 |
|
P.A. Now (θ) |
269.5° |
|
Sep first |
0.4 |
|
Sep last |
0.217 |
|
Sep. Now (ρ) |
0.217" |
|
Mag pri |
9.50 |
|
Mag sec |
9.50 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
F2 (yellow-white) |
|
Pri motion ra |
+014 |
|
Sec motion ra |
|
|
Pri motion dec |
-023 |
|
Sec motion dec |
|
|
Notes |
O
(Orbital solution) |
|
This double is physical.
19222-0735 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
143317 |
19 22 09 -07 35 13 |
A 102 AB |
2021 |
23 |
270 |
0.2 |
9.50 |
9.50 |
0.00 |
Y |
<=== |
Show |
HD 181782 |
143317 |
19 22 09 -07 35 13 |
HO 104 AB,C |
2014 |
12 |
123 |
5.5 |
8.60 |
11.50 |
2.90 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Aquila |
|
SAO |
143317 |
|
Tycho2 |
5709-01636-1 |
|
Gaia DR2 |
4207778605206583552 |
|
HD |
181782 |
|
ADS |
12348 |
|
ORBITAL ELEMENTS
Period (P) | 429y | ± 20 |
Periastron (T) | 1992.26y | ± 0.13 |
Semi-major axis (a) | 0.352a | ± 0.009 |
Eccentricity (e) | 0.653 | ± 0.011 |
Inclination (i) | 40° | ± 0.4 |
Longitude of periastron (ω) | 106.9° | ± 3 |
Node (Ω) | 67.5° | ± 2 |
Notes | | |
Reference | Lin2012a | |
Equinox | 2000 | |
Last observation | 2008 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
219.6 |
0.124 |
2001 |
223.3 |
0.129 |
2002 |
226.8 |
0.134 |
2003 |
230.1 |
0.139 |
2004 |
233.1 |
0.143 |
2005 |
236.0 |
0.148 |
2006 |
238.6 |
0.153 |
2007 |
241.1 |
0.157 |
2008 |
243.5 |
0.162 |
2009 |
245.8 |
0.166 |
2010 |
247.9 |
0.170 |
2011 |
249.9 |
0.175 |
2012 |
251.8 |
0.179 |
2013 |
253.7 |
0.183 |
2014 |
255.5 |
0.187 |
2015 |
257.2 |
0.190 |
2016 |
258.8 |
0.194 |
2017 |
260.4 |
0.198 |
2018 |
261.9 |
0.201 |
2019 |
263.3 |
0.205 |
2020 |
264.7 |
0.208 |
2021 |
266.1 |
0.211 |
2022 |
267.4 |
0.215 |
2023 |
268.7 |
0.218 |
2024 |
270.0 |
0.221 |
2025 |
271.2 |
0.224 |
2026 |
272.4 |
0.227 |
2027 |
273.5 |
0.230 |
2028 |
274.7 |
0.233 |
2029 |
275.8 |
0.236 |
2030 |
276.8 |
0.238 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|