17592-3656 HJ 5000 AB (V1647 Sgr)
17h 59m 13.45s -36° 56' 19.8" P.A. 103.00 sep 7.7 mag 7.10,8.96 Sp A3III dist. 122.7 pc (400.25 l.y.)
Coord 2000 |
17592-3656 |
|
Discov num |
HJ 5000 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 59 13.45 -36 56 19.8 |
|
Date first |
1834 |
|
Date last |
2016 |
|
Obs |
22 |
|
Pa first |
117 |
|
Pa last |
103.1 |
|
P.A. Now (θ) |
103.1° |
|
Sep first |
6.0 |
|
Sep last |
7.67 |
|
Sep. Now (ρ) |
7.67" |
|
Mag pri |
7.10 |
|
Mag sec |
8.96 |
|
delta mag (ΔM) |
1.86 |
|
Spectral class |
A3III (white) |
|
Pri motion ra |
+011 |
|
Sec motion ra |
+011 |
|
Pri motion dec |
-010 |
|
Sec motion dec |
-010 |
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
17592-3656 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
V1647 Sgr |
209552 |
17 59 13 -36 56 20 |
HJ 5000 AB |
2016 |
22 |
103 |
7.7 |
7.10 |
8.96 |
1.86 |
Y |
<=== |
Show |
|
209552 |
17 59 13 -36 56 20 |
HJ 5000 AC |
2015 |
4 |
45 |
89.3 |
7.10 |
11.20 |
4.10 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
V1647 Sgr |
|
Constellation |
Sagittarius |
|
SAO |
209552 |
|
HIP |
88069 |
|
Tycho2 |
7390-01395-1 |
|
Gaia DR2 |
4037354234303734528 |
|
HD |
163708 |
|
GC |
24449 |
|
CD |
CD-3612064 |
|
CP |
CP-36 7843 |
|
Distance |
122.7 |
|
Distance ly |
400.25 |
|
ORBITAL ELEMENTS
Period (P) | 1219.7y | ± 83.4 |
Periastron (T) | 1778.4y | ± 76.2 |
Semi-major axis (a) | 14.36a | ± 6.08 |
Eccentricity (e) | 0.841 | ± 0.027 |
Inclination (i) | 94.7° | ± 8.5 |
Longitude of periastron (ω) | 269.4° | ± 21.2 |
Node (Ω) | 113.8° | ± 12.7 |
Notes | n | |
Reference | Zas2009 | |
Equinox | 2000 | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
103.2 |
7.584 |
2001 |
103.1 |
7.575 |
2002 |
103.1 |
7.565 |
2003 |
103.1 |
7.556 |
2004 |
103.0 |
7.546 |
2005 |
103.0 |
7.537 |
2006 |
102.9 |
7.527 |
2007 |
102.9 |
7.517 |
2008 |
102.8 |
7.507 |
2009 |
102.8 |
7.497 |
2010 |
102.7 |
7.487 |
2011 |
102.7 |
7.477 |
2012 |
102.6 |
7.467 |
2013 |
102.6 |
7.456 |
2014 |
102.5 |
7.446 |
2015 |
102.5 |
7.435 |
2016 |
102.4 |
7.425 |
2017 |
102.4 |
7.414 |
2018 |
102.3 |
7.403 |
2019 |
102.3 |
7.393 |
2020 |
102.2 |
7.382 |
2021 |
102.2 |
7.371 |
2022 |
102.1 |
7.360 |
2023 |
102.1 |
7.349 |
2024 |
102.0 |
7.338 |
2025 |
102.0 |
7.326 |
2026 |
101.9 |
7.315 |
2027 |
101.9 |
7.304 |
2028 |
101.8 |
7.292 |
2029 |
101.8 |
7.281 |
2030 |
101.7 |
7.269 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|