19534+2020 HDS 2833 Ba,Bb
19h 53m 24.27s +20° 19' 38.7" P.A. 265.00 sep 0.2 mag 7.63,9.39 Sp A0 dist. 164.2 pc (535.62 l.y.)
Coord 2000 |
19534+2020 |
|
Discov num |
HDS2833 |
|
Comp |
Ba,Bb |
|
Coord arcsec 2000 |
19 53 24.27 +20 19 38.7 |
|
Date first |
1991 |
|
Date last |
2021 |
|
Obs |
5 |
|
Pa first |
28 |
|
Pa last |
264.5 |
|
P.A. Now (θ) |
264.5° |
|
Sep first |
0.2 |
|
Sep last |
0.179 |
|
Sep. Now (ρ) |
0.179" |
|
Mag pri |
7.63 |
|
Mag sec |
9.39 |
|
delta mag (ΔM) |
1.76 |
|
Spectral class |
A0 (white) |
|
Pri motion ra |
+030 |
|
Sec motion ra |
|
|
Pri motion dec |
+016 |
|
Sec motion dec |
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|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
19534+2020 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 188211 |
87874 |
19 53 23 +20 20 14 |
STFA 48 AB |
2019 |
67 |
147 |
41.7 |
7.14 |
7.34 |
0.20 |
|
|
Show |
|
87874 |
19 53 23 +20 20 14 |
GUI 28 AC |
2015 |
15 |
218 |
222.3 |
7.14 |
10.48 |
3.34 |
|
|
Show |
|
87876 |
19 53 24 +20 19 39 |
HDS 2833 Ba,Bb |
2021 |
5 |
265 |
0.2 |
7.63 |
9.39 |
1.76 |
Y |
<=== |
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Vulpecula |
|
SAO |
87876 |
|
HIP |
97879 |
|
Tycho2 |
1624-00307-1 |
|
Gaia DR2 |
1826324586571571712 |
|
HD |
188212 |
|
GC |
27540 |
|
BD |
BD+19 4196 |
|
Distance |
164.2 |
|
Distance ly |
535.62 |
|
ORBITAL ELEMENTS
Period (P) | 85y | |
Periastron (T) | 2036.5y | |
Semi-major axis (a) | 0.224a | |
Eccentricity (e) | 0.083 | |
Inclination (i) | 141.6° | |
Longitude of periastron (ω) | 190.6° | |
Node (Ω) | 27.9° | |
Notes | n | |
Reference | Tok2021f | |
Equinox | 2000 | |
Last observation | 2021 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
1.6 |
0.227 |
2001 |
358.3 |
0.224 |
2002 |
354.9 |
0.220 |
2003 |
351.5 |
0.216 |
2004 |
347.8 |
0.212 |
2005 |
344.1 |
0.208 |
2006 |
340.2 |
0.204 |
2007 |
336.1 |
0.200 |
2008 |
331.9 |
0.196 |
2009 |
327.5 |
0.192 |
2010 |
322.9 |
0.189 |
2011 |
318.2 |
0.185 |
2012 |
313.3 |
0.183 |
2013 |
308.2 |
0.180 |
2014 |
303.0 |
0.178 |
2015 |
297.8 |
0.177 |
2016 |
292.5 |
0.176 |
2017 |
287.1 |
0.176 |
2018 |
281.8 |
0.176 |
2019 |
276.5 |
0.177 |
2020 |
271.2 |
0.179 |
2021 |
266.1 |
0.181 |
2022 |
261.0 |
0.183 |
2023 |
256.1 |
0.185 |
2024 |
251.4 |
0.188 |
2025 |
246.7 |
0.190 |
2026 |
242.2 |
0.193 |
2027 |
237.8 |
0.196 |
2028 |
233.5 |
0.198 |
2029 |
229.4 |
0.200 |
2030 |
225.3 |
0.202 |
|
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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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