17577-2143 HDS 2530
17h 57m 40.96s -21° 43' 09.5" P.A. 179.00 sep 0.6 mag 10.21,12.68 Sp K3/K4V dist. 31.81 pc (103.76 l.y.)
Coord 2000 |
17577-2143 |
|
Discov num |
HDS2530 |
|
Comp |
|
|
Coord arcsec 2000 |
17 57 40.96 -21 43 09.5 |
|
Date first |
1991 |
|
Date last |
2019 |
|
Obs |
8 |
|
Pa first |
297 |
|
Pa last |
179.4 |
|
P.A. Now (θ) |
179.4° |
|
Sep first |
0.4 |
|
Sep last |
0.558 |
|
Sep. Now (ρ) |
0.558" |
|
Mag pri |
10.21 |
|
Mag sec |
12.68 |
|
delta mag (ΔM) |
2.47 |
|
Spectral class |
K3/K4V (yellow-orange) |
|
Pri motion ra |
+024 |
|
Sec motion ra |
|
|
Pri motion dec |
-162 |
|
Sec motion dec |
|
|
Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
HIP |
87925 |
|
Tycho2 |
6262-00252-3 |
|
Gaia DR2 |
4070388266455534720 |
|
HD |
163573 |
|
BD |
BD-21 4791 |
|
Distance |
31.81 |
|
Distance ly |
103.76 |
|
ORBITAL ELEMENTS
Period (P) | 59.9y | ± 2.1 |
Periastron (T) | 1998.25y | ± 0.56 |
Semi-major axis (a) | 0.514a | ± 0.013 |
Eccentricity (e) | 0.608 | ± 0.019 |
Inclination (i) | 58.9° | ± 1.6 |
Longitude of periastron (ω) | 250.9° | ± 2.3 |
Node (Ω) | 143.7° | ± 2.6 |
Notes | | |
Reference | Tok2019c | |
Equinox | | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
102.1 |
0.156 |
2001 |
120.7 |
0.225 |
2002 |
130.7 |
0.288 |
2003 |
137.3 |
0.343 |
2004 |
142.1 |
0.389 |
2005 |
146.0 |
0.427 |
2006 |
149.3 |
0.459 |
2007 |
152.3 |
0.485 |
2008 |
154.9 |
0.507 |
2009 |
157.3 |
0.524 |
2010 |
159.7 |
0.538 |
2011 |
161.9 |
0.549 |
2012 |
164.0 |
0.557 |
2013 |
166.1 |
0.563 |
2014 |
168.1 |
0.567 |
2015 |
170.1 |
0.569 |
2016 |
172.1 |
0.569 |
2017 |
174.1 |
0.568 |
2018 |
176.2 |
0.565 |
2019 |
178.2 |
0.561 |
2020 |
180.3 |
0.556 |
2021 |
182.4 |
0.549 |
2022 |
184.6 |
0.542 |
2023 |
186.9 |
0.535 |
2024 |
189.2 |
0.526 |
2025 |
191.6 |
0.517 |
2026 |
194.1 |
0.508 |
2027 |
196.6 |
0.498 |
2028 |
199.3 |
0.488 |
2029 |
202.1 |
0.477 |
2030 |
205.0 |
0.467 |
|
|
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 |
|
WDS 17577-2143 HDS 2530 : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
Tok2019c |
St j |
Tokovinin, A., Mason, B.D., Mendez, R.A., Horch, E.P. & Briceno, C. |
2019AJ....158...48T |
Tok2019c |
+orb |
AJ 158, 48, 2019 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
HDS |
Hipparcos Double Star (from additional DD list) |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
17577-2143 |
HDS2530 |
|
1991 |
1 |
297 |
0.4 |
10.21 |
12.68 |
K3/K4V |
|
175740.96-214309.5 |
17577-2143 |
HDS2530 |
|
2008 |
2 |
156 |
0.5 |
10.21 |
12.68 |
K3/K4V |
D |
175740.96-214309.5 |
17577-2143 |
HDS2530 |
|
2014 |
3 |
168 |
0.6 |
10.21 |
12.68 |
K3/K4V |
|
175740.96-214309.5 |
17577-2143 |
HDS2530 |
|
2017 |
4 |
176 |
0.6 |
10.21 |
12.68 |
K3/K4V |
|
175740.96-214309.5 |
17577-2143 |
HDS2530 |
|
2018 |
5 |
176 |
0.6 |
10.21 |
12.68 |
K3/K4V |
|
175740.96-214309.5 |
17577-2143 |
HDS2530 |
|
2019 |
6 |
179 |
0.6 |
10.21 |
12.68 |
K3/K4V |
O |
175740.96-214309.5 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 17577-2143 HDS 2530 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 17577-2143 HDS 2530 : MEASURES
No records found.
WDS 17577-2143 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 17577-2143 : ALADIN DSS IMAGE @ 17h 57m 40.96s -21° 43' 09.5"
WDS 17577-2143 HDS 2530 : NEIGHBORHOODS
|
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
Show |
name |
coord_2000 |
discov# |
comp |
pa |
sep |
dist(') |
Show |
|
17577-2143 |
HDS2530 |
|
179 |
0.6 |
|
Show |
|
17576-2158 |
ARA1506 |
|
17 |
13.5 |
15 |
Show |
|
17575-2113 |
BRT1511 |
|
216 |
3.7 |
31 |
Show |
|
17552-2149 |
ARA1504 |
|
163 |
9.4 |
35 |
Show |
|
17555-2203 |
ARA1830 |
|
122 |
11.9 |
36 |
Show |
|
17573-2223 |
BRT1510 |
|
221 |
5.2 |
40 |
Show |
|
17591-2218 |
ARA1833 |
|
99 |
14.1 |
40 |
Show |
|
17590-2231 |
SNA 75 |
AB |
221 |
3.9 |
52 |
Show |
|
17590-2231 |
SNA 75 |
AC |
46 |
6.2 |
52 |
Show |
|
17590-2231 |
SNA 75 |
AD |
302 |
6.9 |
52 |
Show |
|
17590-2231 |
SNA 75 |
AE |
349 |
7.9 |
52 |
Show |
|
17594-2228 |
SNA 76 |
AB |
92 |
2.0 |
52 |
Show |
|
17594-2228 |
SNA 76 |
AC |
265 |
2.5 |
52 |
Show |
|
17594-2228 |
SNA 76 |
AD |
84 |
6.5 |
52 |
Show |
|
17594-2228 |
SNA 76 |
AE |
63 |
6.5 |
52 |
Show |
|
17587-2232 |
B 367 |
|
217 |
1.8 |
52 |
Show |
|
18003-2224 |
TDT 627 |
|
278 |
0.6 |
55 |
Show |
|
18018-2208 |
ARA1837 |
|
289 |
12.8 |
64 |
Show |
|
17568-2036 |
J 1617 |
AB |
104 |
8.3 |
65 |
Show |
|
17568-2036 |
J 1617 |
AC |
248 |
10.6 |
65 |
Show |
|
18004-2235 |
DON 877 |
|
96 |
2.7 |
65 |
Show |
|
18015-2221 |
ARA1836 |
|
20 |
8.4 |
66 |
Show |
|
17581-2249 |
ARA1832 |
|
15 |
6.9 |
66 |
Show |
|
17531-2125 |
HDS2524 |
|
331 |
0.1 |
67 |
Show |
|
17533-2221 |
HJ 4990 |
|
300 |
23.6 |
73 |
Show |
|
18011-2048 |
HLD 140 |
|
265 |
2.3 |
73 |
Show |
|
17530-2219 |
ARA1827 |
|
35 |
12.7 |
75 |
Show |
|
17535-2231 |
ARA1828 |
|
94 |
7.0 |
75 |
Show |
|
17529-2218 |
ARA1826 |
|
97 |
7.1 |
75 |
Show |
|
17552-2035 |
DON 869 |
|
127 |
0.6 |
77 |
Show |
|
17567-2026 |
DON 871 |
|
310 |
5.4 |
79 |
Show |
|
17536-2049 |
OL 102 |
|
278 |
3.6 |
79 |
Show |
|
17526-2108 |
J 1616 |
|
151 |
6.0 |
80 |
Show |
|
18033-2156 |
TDT 656 |
|
268 |
1.0 |
80 |
Show |
|
17577-2305 |
ARA2206 |
|
157 |
9.4 |
83 |
Show |
|
18000-2027 |
DON 876 |
|
15 |
1.2 |
83 |
Show |
|
18011-2252 |
ARA1835 |
|
304 |
9.8 |
83 |
Show |
|
18004-2258 |
ARA1834 |
|
224 |
15.1 |
84 |
Show |
|
17599-2023 |
TDT 619 |
|
198 |
1.5 |
87 |
Show |
|
18019-2247 |
BU 283 |
AB |
238 |
8.3 |
87 |
Show |
|
18019-2247 |
BU 283 |
AC |
33 |
13.6 |
87 |
Show |
|
18019-2247 |
FOX9030 |
AD |
265 |
24.5 |
87 |
Show |
|
17585-2016 |
DON 875 |
|
325 |
6.0 |
88 |
Show |
|
18030-2233 |
ARA1838 |
AB |
138 |
8.3 |
90 |
Show |
|
18030-2233 |
ABH 93 |
AD |
354 |
34.1 |
90 |
Show |
|
18030-2233 |
ABH 93 |
AE |
159 |
40.7 |
90 |
Show |
|
18030-2233 |
ABH 93 |
AF |
186 |
66.0 |
90 |
Show |
|
18030-2233 |
ABH 93 |
AG |
222 |
24.9 |
90 |
Show |
|
18030-2233 |
ABH 93 |
AH |
255 |
28.4 |
90 |
Show |
|
18030-2233 |
ABH 93 |
AI |
234 |
73.3 |
90 |
Show |
|
18030-2233 |
ABH 93 |
AJ |
284 |
104.1 |
90 |
|
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WDS 17577-2143 : COMPONENTS
17577-2143 A
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
175740.96-214309.5 |
|
Mag |
10.21 |
|
Spectral class |
K3/K4V (yellow-orange) |
|
PmRA |
24.00 |
|
PmDE |
-162.0 |
|
HIP |
87925 |
|
Tycho2 |
6262-00252-3 |
|
HD |
163573 |
|
BD |
BD-21 4791 |
|
Tycho2 |
6262-00252-3 |
|
Pflag |
|
|
RAmdeg |
269.42073829 |
|
DEmdeg |
-21.71968913 |
|
PmRA |
31.6 |
|
PmDE |
-159.5 |
|
E RAmdeg |
21 |
|
E DEmdeg |
32 |
|
E pmRA |
1.7 |
|
E pmDE |
2.3 |
|
EpRAm |
1985.86 |
|
EpDEm |
1987.20 |
|
Num |
6 |
|
Q RAmdeg |
1.4 |
|
Q DEmdeg |
1.4 |
|
Q pmRA |
1.4 |
|
Q pmDE |
1.4 |
|
BTmag |
11.624 |
|
E BTmag |
0.080 |
|
VTmag |
10.193 |
|
E VTmag |
0.038 |
|
Prox |
999 |
|
TYC |
|
|
HIP |
87925 |
|
CCDM |
AB |
|
RAdeg |
269.42066000 |
|
DEdeg |
-21.71933361 |
|
EpRA 1990 |
2.01 |
|
EpDE 1990 |
2.02 |
|
E RAdeg |
26.3 |
|
E DEdeg |
37.4 |
|
Posflg |
|
|
Corr |
-0.2 |
|
Catalog |
H |
|
HIP |
87925 |
|
Proxy |
H |
|
RAhms |
17 57 40.96 |
|
DEdms |
-21 43 09.5 |
|
Vmag |
9.99 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
269.421 |
|
DEdeg |
-21.7193 |
|
AstroRef |
A |
|
Plx |
33.65 |
|
CCDM |
17577-2143 |
|
N CCDM |
H |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
C |
|
M HIP |
AB |
|
Theta |
297 |
|
Rho |
0.35 |
|
HD |
163573 |
|
BD |
BD-21 4791 |
|
CD |
|
|
CP |
|
|
Dm number |
-21 4791 |
|
VIred |
1.46 |
|
SpType |
K3/K4V |
|
R SpType |
|
|
Coord arcsec 2000 |
175740.96-214309.5 |
|
HIP |
87925 |
|
Sn |
15 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
4.7022778073 |
|
DErad |
-0.3790732993 |
|
Plx |
31.44 |
|
PmRA |
24.46 |
|
PmDE |
-160.75 |
|
E RArad |
2.02 |
|
E DErad |
1.32 |
|
E Plx |
2.21 |
|
E pmRA |
2.45 |
|
E pmDE |
1.37 |
|
Hpmag |
10.1012 |
|
E Hpmag |
0.0027 |
|
SHp |
0.023 |
|
VA |
0 |
|
BV |
1.282 |
|
E BV |
0.005 |
|
VI |
1.46 |
|
Ccdm |
17577-2143 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
-1.02 |
|
DDEs |
-10.9 |
|
R dRAs |
82 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
10.2 |
|
Sp |
K3 |
|
PmNote |
* |
|
PmRA |
24 |
|
PmDE |
-162 |
|
Dm number |
-21 4791 |
|
Cat1 |
BD |
|
Name2 |
|
|
Cat2 |
|
|
HD |
163573 |
|
M HD |
|
|
ADS BDS |
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M ADS BDS |
|
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N IDS |
|
|
IDS |
|
|
HIC |
87925 |
|
17577-2143 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
175740.96-214310.1 |
|
Mag |
12.68 |
|
Calc delta mag |
2.47 |
|
Calc coord |
yes |
|
Ccdm |
17577-2143 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
HDS |
|
DRAs |
-1.04 |
|
DDEs |
-10.7 |
|
R dRAs |
82 |
|
Year |
1991 |
|
Theta |
297 |
|
Rho |
0.4 |
|
Obs |
1 |
|
Vmag |
12.7 |
|
Sp |
|
|
PmNote |
* |
|
PmRA |
24 |
|
PmDE |
-162 |
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
|
|
HIC |
87925 |
|