19243+2032 HDS 2752 AB (HD 349993)
19h 24m 18.14s +20° 31' 51.1" P.A. 124.00 sep 0.3 mag 9.00,10.68 Sp F6V dist. 120.48 pc (393.01 l.y.)
Coord 2000 |
19243+2032 |
|
Discov num |
HDS2752 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 24 18.14 +20 31 51.1 |
|
Date first |
1991 |
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Date last |
2021 |
|
Obs |
9 |
|
Pa first |
228 |
|
Pa last |
124.1 |
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P.A. Now (θ) |
124.1° |
|
Sep first |
0.2 |
|
Sep last |
0.286 |
|
Sep. Now (ρ) |
0.286" |
|
Mag pri |
9.00 |
|
Mag sec |
10.68 |
|
delta mag (ΔM) |
1.68 |
|
Spectral class |
F6V (yellow-white) |
|
Pri motion ra |
+003 |
|
Sec motion ra |
|
|
Pri motion dec |
-002 |
|
Sec motion dec |
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|
Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
19243+2032 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 349993 |
87157 |
19 24 18 +20 31 51 |
HDS 2752 AB |
2021 |
9 |
124 |
0.3 |
9.00 |
10.68 |
1.68 |
Y |
<=== |
Show |
|
87157 |
19 24 18 +20 31 51 |
HDS 2752 AC |
2021 |
3 |
286 |
1.0 |
9.00 |
13.80 |
4.80 |
|
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Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 349993 |
|
Constellation |
Vulpecula |
|
SAO |
87157 |
|
HIP |
95389 |
|
Tycho2 |
1608-00435-1 |
|
HD |
349993 |
|
BD |
BD+20 4126 |
|
Distance |
120.48 |
|
Distance ly |
393.01 |
|
ORBITAL ELEMENTS
Period (P) | 60y | |
Periastron (T) | 1985.47y | |
Semi-major axis (a) | 0.31a | |
Eccentricity (e) | 0.694 | |
Inclination (i) | 118.6° | |
Longitude of periastron (ω) | 99.1° | |
Node (Ω) | 68.4° | |
Notes | n | |
Reference | Tok2021c | |
Equinox | 2000 | |
Last observation | 2019 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
192.3 |
0.231 |
2001 |
188.6 |
0.232 |
2002 |
184.9 |
0.233 |
2003 |
181.3 |
0.234 |
2004 |
177.7 |
0.235 |
2005 |
174.1 |
0.236 |
2006 |
170.5 |
0.237 |
2007 |
167.0 |
0.239 |
2008 |
163.6 |
0.241 |
2009 |
160.2 |
0.243 |
2010 |
156.9 |
0.246 |
2011 |
153.6 |
0.248 |
2012 |
150.4 |
0.251 |
2013 |
147.3 |
0.254 |
2014 |
144.2 |
0.257 |
2015 |
141.3 |
0.260 |
2016 |
138.4 |
0.264 |
2017 |
135.5 |
0.267 |
2018 |
132.8 |
0.270 |
2019 |
130.1 |
0.274 |
2020 |
127.5 |
0.277 |
2021 |
124.9 |
0.280 |
2022 |
122.4 |
0.284 |
2023 |
120.0 |
0.286 |
2024 |
117.6 |
0.289 |
2025 |
115.2 |
0.292 |
2026 |
112.9 |
0.294 |
2027 |
110.6 |
0.295 |
2028 |
108.4 |
0.297 |
2029 |
106.1 |
0.297 |
2030 |
103.9 |
0.297 |
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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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