19598-0957 HO 276 AB
19h 59m 47.49s -09° 57' 26.2" P.A. 109.00 sep 0.2 mag 6.22,7.83 Sp F8V dist. 22.2 pc (72.42 l.y.)
Coord 2000 |
19598-0957 |
|
Discov num |
HO 276 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 59 47.49 -09 57 26.2 |
|
Date first |
1961 |
|
Date last |
2019 |
|
Obs |
63 |
|
Pa first |
136 |
|
Pa last |
109.2 |
|
P.A. Now (θ) |
109.2° |
|
Sep first |
0.2 |
|
Sep last |
0.239 |
|
Sep. Now (ρ) |
0.239" |
|
Mag pri |
6.22 |
|
Mag sec |
7.83 |
|
delta mag (ΔM) |
1.61 |
|
Spectral class |
F8V (yellow-white) |
|
Pri motion ra |
-276 |
|
Sec motion ra |
|
|
Pri motion dec |
-401 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
19598-0957 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
163168 |
19 59 47 -09 57 26 |
HO 276 AB |
2019 |
63 |
109 |
0.2 |
6.22 |
7.83 |
1.61 |
Y |
<=== |
Show |
HD 189340 |
163168 |
19 59 47 -09 57 26 |
HLA 22 AC |
2016 |
2 |
296 |
10.3 |
4.40 |
7.83 |
3.43 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Aquila |
|
SAO |
163168 |
|
HIP |
98416 |
|
Tycho2 |
5742-01060-1 |
|
HD |
189340 |
|
HR |
7637 |
|
GC |
27689 |
|
GL |
Gl 773.3 |
|
BD |
BD-10 5238 |
|
Distance |
22.2 |
|
Distance ly |
72.42 |
|
SUSPECTED ORBITAL ELEMENTS
Identifier | 19598-0957 HO 276 |
coord_arcsec_2000 | 195947.49-095726.2 |
Period (P) | 4.867y | ± 0.004 |
Periastron (T) | 2012.022y | ± 0.011 |
Semi-major axis (a) | 0.1514a | ± 0.0013 |
Eccentricity (e) | 0.605 | ± 0.004 |
Inclination (i) | 18.8° | ± 2.7 |
Longitude of periastron (ω) | 319.4° | ± 2.2 |
Node (Ω) | 326.6° | ± 1.8 |
Notes | n | |
Reference | Tok2017b | |
Equinox | 2000 | |
Last observation | | |
Grade | 1 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
110.8 |
0.238 |
2001 |
136.1 |
0.202 |
2002 |
202.9 |
0.085 |
2003 |
50.7 |
0.139 |
2004 |
90.2 |
0.219 |
2005 |
113.9 |
0.237 |
2006 |
140.5 |
0.192 |
2007 |
233.4 |
0.066 |
2008 |
58.7 |
0.154 |
2009 |
93.6 |
0.224 |
2010 |
116.9 |
0.235 |
2011 |
145.4 |
0.180 |
2012 |
279.3 |
0.058 |
2013 |
65.3 |
0.167 |
2014 |
96.9 |
0.229 |
2015 |
120.0 |
0.231 |
2016 |
151.0 |
0.167 |
2017 |
325.5 |
0.065 |
2018 |
70.9 |
0.179 |
2019 |
100.1 |
0.233 |
2020 |
123.3 |
0.227 |
2021 |
157.7 |
0.152 |
2022 |
358.0 |
0.081 |
2023 |
75.9 |
0.190 |
2024 |
103.2 |
0.236 |
2025 |
126.6 |
0.222 |
2026 |
166.0 |
0.135 |
2027 |
19.6 |
0.098 |
2028 |
80.4 |
0.199 |
2029 |
106.3 |
0.237 |
2030 |
130.2 |
0.215 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|