18368-2617 RST 3187 AB (HD 171595)
18h 36m 48.23s -26° 17' 21.6" P.A. 201.00 sep 0.1 mag 8.47,8.96 Sp G3V dist. 46.43 pc (151.45 l.y.)
Coord 2000 |
18368-2617 |
|
Discov num |
RST3187 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 36 48.23 -26 17 21.6 |
|
Date first |
1934 |
|
Date last |
2021 |
|
Obs |
24 |
|
Pa first |
231 |
|
Pa last |
201.4 |
|
P.A. Now (θ) |
209.7° |
|
Sep first |
0.2 |
|
Sep last |
0.132 |
|
Sep. Now (ρ) |
0.18" |
|
Mag pri |
8.47 |
|
Mag sec |
8.96 |
|
delta mag (ΔM) |
0.49 |
|
Spectral class |
G3V (yellow) |
|
Pri motion ra |
-043 |
|
Sec motion ra |
|
|
Pri motion dec |
-040 |
|
Sec motion dec |
|
|
Notes |
O
(Orbital solution) |
|
This double is physical.
18368-2617 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 171595 |
187041 |
18 36 48 -26 17 22 |
RST 3187 AB |
2021 |
24 |
201 |
0.1 |
8.47 |
8.96 |
0.49 |
Y |
<=== |
Show |
|
187041 |
18 36 48 -26 17 22 |
RST 3187 AC |
2015 |
9 |
41 |
12.7 |
8.47 |
13.80 |
5.33 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 171595 |
|
Constellation |
Sagittarius |
|
SAO |
187041 |
|
HIP |
91253 |
|
Tycho2 |
6866-00039-1 |
|
Gaia DR2 |
4075912835700087424 |
|
HD |
171595 |
|
CD |
CD-2613320 |
|
CP |
CP-26 6518 |
|
Distance |
46.43 |
|
Distance ly |
151.45 |
|
ORBITAL ELEMENTS
Period (P) | 18.37y | ± 0.18 |
Periastron (T) | 2017.3y | ± 0.16 |
Semi-major axis (a) | 0.1661a | ± 0.002 |
Eccentricity (e) | 0.364 | ± 0.022 |
Inclination (i) | 70.1° | ± 0.8 |
Longitude of periastron (ω) | 7.2° | ± 2.9 |
Node (Ω) | 40.6° | ± 0.9 |
Notes | | |
Reference | Tok2016e | |
Equinox | 2000 | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
64.8 |
0.076 |
2001 |
118.1 |
0.047 |
2002 |
177.0 |
0.073 |
2003 |
196.9 |
0.118 |
2004 |
205.9 |
0.159 |
2005 |
211.5 |
0.191 |
2006 |
215.7 |
0.212 |
2007 |
219.3 |
0.224 |
2008 |
222.7 |
0.225 |
2009 |
226.1 |
0.217 |
2010 |
230.1 |
0.200 |
2011 |
234.9 |
0.174 |
2012 |
242.0 |
0.139 |
2013 |
254.3 |
0.099 |
2014 |
283.6 |
0.061 |
2015 |
343.7 |
0.055 |
2016 |
20.6 |
0.086 |
2017 |
38.5 |
0.106 |
2018 |
55.5 |
0.090 |
2019 |
91.9 |
0.053 |
2020 |
161.8 |
0.058 |
2021 |
191.7 |
0.102 |
2022 |
203.2 |
0.145 |
2023 |
209.7 |
0.180 |
2024 |
214.3 |
0.205 |
2025 |
218.0 |
0.221 |
2026 |
221.4 |
0.226 |
2027 |
224.8 |
0.222 |
2028 |
228.5 |
0.208 |
2029 |
233.0 |
0.185 |
2030 |
239.0 |
0.153 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 18368-2617 RST 3187 AB (HD 171595) : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
Tok2016e |
orb - |
Tokovinin, A. |
2016AJ....152..138T |
Tok2016e |
|
AJ 152, 138, 2016 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
RST |
Rossiter, R.A. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
18368-2617 |
RST3187 |
AB |
2013 |
16 |
93 |
0.1 |
8.47 |
8.96 |
G3V |
|
183648.23-261721.6 |
18368-2617 |
RST3187 |
AB |
2014 |
17 |
117 |
0.1 |
8.47 |
8.96 |
G3V |
|
183648.23-261721.6 |
18368-2617 |
RST3187 |
AB |
2015 |
18 |
1 |
0.1 |
8.47 |
8.96 |
G3V |
|
183648.23-261721.6 |
18368-2617 |
RST3187 |
AB |
2017 |
20 |
44 |
0.1 |
8.47 |
8.96 |
G3V |
O |
183648.23-261721.6 |
18368-2617 |
RST3187 |
AB |
2018 |
21 |
61 |
0.1 |
8.47 |
8.96 |
G3V |
O |
183648.23-261721.6 |
18368-2617 |
RST3187 |
AB |
2019 |
22 |
132 |
0.0 |
8.47 |
8.96 |
G3V |
O |
183648.23-261721.6 |
18368-2617 |
RST3187 |
AB |
2020 |
23 |
189 |
0.1 |
8.47 |
8.96 |
G3V |
O |
183648.23-261721.6 |
18368-2617 |
RST3187 |
AB |
2021 |
24 |
201 |
0.1 |
8.47 |
8.96 |
G3V |
O |
183648.23-261721.6 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 18368-2617 RST 3187 AB (HD 171595) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18368-2617 RST 3187 AB (HD 171595) : MEASURES
No records found.
WDS 18368-2617 (HD 171595) : 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 18368-2617 (HD 171595) : ALADIN DSS IMAGE @ 18h 36m 48.23s -26° 17' 21.6"
WDS 18368-2617 RST 3187 AB (HD 171595) : 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 |
|
18368-2617 |
RST3187 |
AB |
201 |
0.1 |
|
Show |
|
18368-2617 |
RST3187 |
AC |
41 |
12.7 |
|
Show |
|
18371-2612 |
VVV 58 |
|
171 |
1.7 |
8 |
Show |
|
18356-2617 |
B 396 |
AB |
218 |
1.7 |
17 |
Show |
|
18356-2617 |
OCC9050 |
Ba,Bb |
-1 |
0.0 |
17 |
Show |
|
18354-2607 |
TDT 949 |
|
91 |
0.7 |
21 |
Show |
|
18401-2638 |
B 397 |
|
193 |
1.2 |
49 |
Show |
|
18383-2525 |
HO 436 |
|
178 |
4.1 |
56 |
Show |
|
18399-2531 |
ARG 32 |
AB |
220 |
7.0 |
63 |
Show |
|
18399-2531 |
ARG 32 |
AC |
285 |
53.2 |
63 |
Show |
|
18399-2531 |
ARG 32 |
AD |
217 |
80.2 |
63 |
Show |
|
18399-2531 |
OCC9182 |
Aa,Ab |
-1 |
0.8 |
63 |
Show |
|
18322-2630 |
SKF2066 |
|
282 |
17.5 |
63 |
Show |
|
18416-2557 |
BRT3074 |
|
25 |
4.7 |
68 |
Show |
|
18422-2617 |
RST3190 |
|
152 |
0.3 |
74 |
Show |
|
18317-2541 |
OCC 264 |
|
-1 |
0.1 |
78 |
Show |
|
18346-2734 |
I 1026 |
AB |
41 |
9.0 |
82 |
Show |
|
18346-2734 |
I 1026 |
A,CD |
145 |
36.1 |
82 |
Show |
|
18346-2734 |
TOK 422 |
Aa,Ab |
102 |
0.1 |
82 |
Show |
|
18346-2734 |
I 1027 |
CD |
69 |
1.9 |
83 |
Show |
|
18389-2736 |
RST2069 |
|
123 |
1.7 |
83 |
Show |
|
18337-2502 |
VVV 57 |
|
162 |
8.0 |
87 |
Show |
|
18307-2700 |
RST2059 |
|
5 |
1.9 |
93 |
Show |
|
18400-2743 |
SKF2132 |
|
237 |
12.4 |
96 |
Show |
|
18303-2533 |
B 394 |
|
197 |
0.2 |
98 |
Show |
|
18350-2441 |
J 1746 |
|
165 |
3.9 |
100 |
Show |
|
18328-2747 |
KPP 417 |
|
57 |
5.0 |
105 |
Show |
|
18292-2640 |
B 391 |
|
65 |
0.2 |
105 |
Show |
|
18444-2546 |
RST3196 |
|
71 |
0.2 |
107 |
Show |
|
18290-2635 |
WNO 6 |
|
182 |
41.8 |
107 |
Show |
|
18447-2548 |
SEE 358 |
|
69 |
1.2 |
111 |
Show |
|
18311-2738 |
J 1632 |
|
165 |
5.3 |
112 |
Show |
|
18325-2753 |
SKF2131 |
|
47 |
4.7 |
112 |
Show |
|
18352-2427 |
J 1654 |
|
78 |
3.5 |
113 |
Show |
|
18413-2436 |
B 399 |
|
49 |
3.5 |
118 |
Show |
|
18281-2645 |
HDS2615 |
AB |
186 |
0.3 |
121 |
Show |
|
18281-2645 |
ARY 126 |
AC |
135 |
54.1 |
121 |
Show |
|
18289-2716 |
OCC 185 |
|
-1 |
0.1 |
121 |
Show |
|
18286-2717 |
J 2214 |
|
119 |
5.3 |
122 |
Show |
|
18456-2651 |
I 1382 |
|
200 |
0.4 |
123 |
Show |
|
18280-2651 |
I 1366 |
|
225 |
0.4 |
123 |
Show |
|
18277-2638 |
BU 133 |
|
230 |
0.6 |
124 |
Show |
|
18459-2637 |
J 2229 |
|
26 |
3.7 |
124 |
Show |
|
18312-2757 |
RST2060 |
Ba,Bb |
8 |
0.6 |
125 |
Show |
|
18457-2659 |
OCC9185 |
|
10 |
0.2 |
126 |
Show |
|
18396-2817 |
J 1596 |
|
105 |
8.2 |
127 |
Show |
|
18362-2409 |
J 2219 |
|
313 |
4.6 |
129 |
Show |
|
18289-2503 |
H N 125 |
AB |
107 |
2.5 |
130 |
Show |
Kaus Borealis |
18280-2525 |
WFC 208 |
|
184 |
82.5 |
131 |
Show |
|
18448-2501 |
CHR 78 |
|
192 |
0.1 |
133 |
Show |
|
18266-2600 |
J 2213 |
|
90 |
6.5 |
135 |
|
|
WDS 18368-2617 : COMPONENTS
|
A |
B |
B |
pa=199.4°
sep=0.13"
| |
C |
pa=38.1°
sep=12.17"
| pa=37.9°
sep=12.29"
|
18368-2617 A
Name |
HD 171595 |
|
Coord arcsec 2000 |
183648.23-261721.6 |
|
Mag |
8.47 |
|
Spectral class |
G3V (yellow) |
|
PmRA |
-43.00 |
|
PmDE |
-40.0 |
|
SAO |
187041 |
|
HIP |
91253 |
|
Tycho2 |
6866-00039-1 |
|
HD |
171595 |
|
CD |
CD-2613320 |
|
CP |
CP-26 6518 |
|
Tycho2 |
6866-00039-1 |
|
Pflag |
|
|
RAmdeg |
279.20085882 |
|
DEmdeg |
-26.28944156 |
|
PmRA |
-45.1 |
|
PmDE |
-42.8 |
|
E RAmdeg |
7 |
|
E DEmdeg |
9 |
|
E pmRA |
1.9 |
|
E pmDE |
1.6 |
|
EpRAm |
1991.23 |
|
EpDEm |
1990.49 |
|
Num |
6 |
|
Q RAmdeg |
1.0 |
|
Q DEmdeg |
0.9 |
|
Q pmRA |
1.1 |
|
Q pmDE |
0.9 |
|
BTmag |
8.596 |
|
E BTmag |
0.020 |
|
VTmag |
7.893 |
|
E VTmag |
0.014 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
91253 |
|
CCDM |
AB |
|
RAdeg |
279.20097500 |
|
DEdeg |
-26.28934111 |
|
EpRA 1990 |
1.66 |
|
EpDE 1990 |
1.51 |
|
E RAdeg |
7.1 |
|
E DEdeg |
8.6 |
|
Posflg |
P |
|
Corr |
0.3 |
|
SAO |
187041 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0033 |
|
DE1950 |
|
|
PmDE1950 |
-0.015 |
|
Vmag |
8.2 |
|
SpType |
G0 |
|
Double code |
|
|
Source |
25 |
|
CatNum |
12920 |
|
DM |
CD-2613320 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
171595 |
|
M HD |
0 |
|
GC |
|
|
RA1950rad |
4.85942834 |
|
DE1950rad |
-0.45956661 |
|
PmRA2000 |
-0.0034 |
|
PmDE2000 |
-0.015 |
|
Catalog |
H |
|
HIP |
91253 |
|
Proxy |
H |
|
RAhms |
18 36 48.23 |
|
DEdms |
-26 17 21.6 |
|
Vmag |
7.8 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
279.201 |
|
DEdeg |
-26.2893 |
|
AstroRef |
* |
|
Plx |
20.55 |
|
CCDM |
18368-2617 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
AB |
|
Theta |
229 |
|
Rho |
0.214 |
|
HD |
171595 |
|
BD |
|
|
CD |
CD-2613320 |
|
CP |
CP-26 6518 |
|
Dm number |
-2613320 |
|
VIred |
0.7 |
|
SpType |
G3V |
|
R SpType |
|
|
Coord arcsec 2000 |
183648.23-261721.6 |
|
HIP |
91253 |
|
Sn |
55 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
4.8729762397 |
|
DErad |
-0.458835482 |
|
Plx |
21.54 |
|
PmRA |
-43.34 |
|
PmDE |
-43.5 |
|
E RArad |
1.22 |
|
E DErad |
0.94 |
|
E Plx |
1.7 |
|
E pmRA |
1.99 |
|
E pmDE |
1.28 |
|
Hpmag |
7.9297 |
|
E Hpmag |
0.0016 |
|
SHp |
0.013 |
|
VA |
0 |
|
BV |
0.634 |
|
E BV |
0.017 |
|
VI |
0.7 |
|
Ccdm |
18368-2617 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
0.22 |
|
DDEs |
-20.5 |
|
R dRAs |
41 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
8.4 |
|
Sp |
G0 |
|
PmNote |
* |
|
PmRA |
-44 |
|
PmDE |
-15 |
|
Dm number |
-2613320 |
|
Cat1 |
CD |
|
Name2 |
187041 |
|
Cat2 |
SAO |
|
HD |
171595 |
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
18306S2622A |
|
HIC |
91253 |
|
18368-2617 B
Coord arcsec 2000 |
183648.23-261721.7 |
|
Mag |
8.96 |
|
Calc delta mag |
0.49 |
|
Calc coord |
yes |
|
Ccdm |
18368-2617 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
RST3187 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1934 |
|
Theta |
231 |
|
Rho |
0.2 |
|
Obs |
3 |
|
Vmag |
8.5 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
N |
|
N IDS |
|
|
IDS |
18306S2622B |
|
HIC |
91253 |
|
18368-2617 C
Coord arcsec 2000 |
183648.79-261712.0 |
|
Mag |
13.8 |
|
Spectral class |
M (red) |
|
Calc delta mag |
5.33 |
|
Calc coord |
yes |
|