17156-3836 FIN 355 (HD 155826)
17h 15m 35.95s -38° 35' 38.0" P.A. 216.00 sep 0.3 mag 6.30,7.88 Sp F7V+G2V dist. 30.59 pc (99.78 l.y.)
Coord 2000 |
17156-3836 |
|
Discov num |
FIN 355 |
|
Comp |
|
|
Coord arcsec 2000 |
17 15 35.95 -38 35 38.0 |
|
Date first |
1959 |
|
Date last |
2021 |
|
Obs |
19 |
|
Pa first |
142 |
|
Pa last |
215.9 |
|
P.A. Now (θ) |
204.5° |
|
Sep first |
0.1 |
|
Sep last |
0.281 |
|
Sep. Now (ρ) |
0.323" |
|
Mag pri |
6.30 |
|
Mag sec |
7.88 |
|
delta mag (ΔM) |
1.58 |
|
Spectral class |
F7V+G2V (yellow-white/yellow) |
|
Pri motion ra |
-174 |
|
Sec motion ra |
|
|
Pri motion dec |
-412 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 155826 |
|
Constellation |
Scorpius |
|
SAO |
208591 |
|
HIP |
84425 |
|
Tycho2 |
7870-00136-1 |
|
HD |
155826 |
|
HR |
6398 |
|
GC |
23270 |
|
CD |
CD-3811686 |
|
CP |
CP-38 6755 |
|
Distance |
30.59 |
|
Distance ly |
99.78 |
|
ORBITAL ELEMENTS
Period (P) | 14.23y | ± 0.03 |
Periastron (T) | 1985.97y | ± 0.06 |
Semi-major axis (a) | 0.249a | ± 0.002 |
Eccentricity (e) | 0.476 | ± 0.01 |
Inclination (i) | 115.3° | ± 0.6 |
Longitude of periastron (ω) | 137.2° | ± 1 |
Node (Ω) | 191.9° | ± 0.6 |
Notes | n | |
Reference | Tok2015c | |
Equinox | 2000 | |
Last observation | 2014 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
47.2 |
0.084 |
2001 |
5.4 |
0.149 |
2002 |
337.7 |
0.136 |
2003 |
299.4 |
0.118 |
2004 |
261.4 |
0.139 |
2005 |
238.2 |
0.185 |
2006 |
224.7 |
0.236 |
2007 |
215.8 |
0.279 |
2008 |
209.0 |
0.310 |
2009 |
203.2 |
0.325 |
2010 |
197.6 |
0.322 |
2011 |
191.5 |
0.293 |
2012 |
183.1 |
0.234 |
2013 |
165.5 |
0.138 |
2014 |
72.3 |
0.066 |
2015 |
11.7 |
0.143 |
2016 |
344.7 |
0.142 |
2017 |
309.1 |
0.119 |
2018 |
268.9 |
0.131 |
2019 |
242.4 |
0.174 |
2020 |
227.3 |
0.224 |
2021 |
217.6 |
0.270 |
2022 |
210.5 |
0.304 |
2023 |
204.5 |
0.323 |
2024 |
198.9 |
0.324 |
2025 |
193.0 |
0.302 |
2026 |
185.4 |
0.251 |
2027 |
171.5 |
0.163 |
2028 |
106.7 |
0.063 |
2029 |
18.8 |
0.131 |
2030 |
351.2 |
0.147 |
|
|
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 17156-3836 FIN 355 (HD 155826) : NOTES
discov_num |
notes |
refcode |
FIN 355 |
Rapid motion. |
|
|
New orbit based on few observations, mass-sum too small. |
Sod1999 |
|
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic |
|
|
masses of 2.29 +/- 0.17, 2.22, and 2.12 Msun, respectively. |
Mlk2012 |
REFERENCES
refcode |
metd |
author |
reference |
Mlk2012 |
not - |
Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. |
2012A&A...546A..69M |
Mlk2012 |
|
A&A 546, A69, 2012 |
|
Sod1999 |
orb - |
Soderhjelm, S. |
1999A&A...341..121S |
Sod1999 |
|
A&A 341, 121, 1999 |
|
Tok2015c |
orb+j |
Tokovinin, A., Mason, B.D., Hartkopf, W.I., Mendez, R.A., & Horch, E.P. |
2015AJ....150...50T |
Tok2015c |
+St |
AJ 150, 50, 2015 (some measures corrected in Tok2017b) |
2017AJ....154..110T |
DISCOVERER
idgroup |
discov |
author |
1 |
FIN |
Finsen, W.S. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
17156-3836 |
FIN 355 |
|
1992 |
12 |
218 |
0.3 |
6.30 |
7.88 |
F7V+G2V |
NO |
171536.08-383534.6 |
17156-3836 |
FIN 355 |
|
2009 |
13 |
21 |
0.3 |
6.30 |
7.88 |
F7V+G2V |
NO |
171536.08-383534.6 |
17156-3836 |
FIN 355 |
|
2010 |
14 |
195 |
0.3 |
6.30 |
7.88 |
F7V+G2V |
NO |
171536.08-383534.6 |
17156-3836 |
FIN 355 |
|
2014 |
13 |
44 |
0.1 |
6.30 |
7.88 |
F7V+G2V |
NO |
171536.08-383534.6 |
17156-3836 |
FIN 355 |
|
2015 |
14 |
4 |
0.2 |
6.30 |
7.88 |
F7V+G2V |
NO |
171536.08-383534.6 |
17156-3836 |
FIN 355 |
|
2017 |
16 |
297 |
0.1 |
6.30 |
7.88 |
F7V+G2V |
NO |
171535.95-383538.0 |
17156-3836 |
FIN 355 |
|
2018 |
17 |
263 |
0.1 |
6.30 |
7.88 |
F7V+G2V |
NO |
171535.95-383538.0 |
17156-3836 |
FIN 355 |
|
2019 |
18 |
237 |
0.2 |
6.30 |
7.88 |
F7V+G2V |
NO |
171535.95-383538.0 |
17156-3836 |
FIN 355 |
|
2021 |
19 |
216 |
0.3 |
6.30 |
7.88 |
F7V+G2V |
NO |
171535.95-383538.0 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 17156-3836 FIN 355 (HD 155826) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 17156-3836 FIN 355 (HD 155826) : MEASURES
No records found.
WDS 17156-3836 (HD 155826) : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
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WDS 17156-3836 (HD 155826) : ALADIN DSS IMAGE @ 17h 15m 35.95s -38° 35' 38.0"
WDS 17156-3836 FIN 355 (HD 155826) : 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 |
|
17156-3836 |
FIN 355 |
|
216 |
0.3 |
1 |
Show |
|
17158-3842 |
ALD 90 |
|
150 |
1.3 |
7 |
Show |
|
17164-3839 |
HJ 4928 |
|
300 |
13.8 |
11 |
Show |
|
17160-3819 |
RST1945 |
|
345 |
14.5 |
17 |
Show |
|
17139-3818 |
HWE 86 |
|
150 |
2.6 |
27 |
Show |
|
17185-3827 |
TDT 300 |
|
159 |
0.8 |
36 |
Show |
|
17185-3848 |
RST1947 |
|
231 |
0.2 |
37 |
Show |
|
17181-3810 |
SEE 324 |
|
83 |
0.1 |
40 |
Show |
|
17190-3849 |
HDS2447 |
AB |
141 |
9.8 |
43 |
Show |
|
17190-3849 |
HDS2447 |
BC |
74 |
4.1 |
43 |
Show |
|
17191-3849 |
WSI 60 |
|
334 |
1.4 |
43 |
Show |
|
17114-3825 |
HDS2427 |
|
294 |
18.0 |
51 |
Show |
|
17139-3748 |
B 902 |
|
71 |
1.6 |
52 |
Show |
|
17124-3915 |
SKF2060 |
|
147 |
19.2 |
55 |
Show |
|
17128-3751 |
TDT 264 |
|
205 |
1.0 |
56 |
Show |
|
17158-3934 |
RST1944 |
|
261 |
2.2 |
59 |
Show |
|
17137-3738 |
RST3969 |
|
292 |
0.2 |
62 |
Show |
|
17163-3937 |
RSS 434 |
|
38 |
9.9 |
62 |
Show |
|
17153-3939 |
I 229 |
|
233 |
5.0 |
64 |
Show |
|
17123-3930 |
TOK 607 |
|
322 |
882.6 |
68 |
Show |
|
17136-3729 |
TDS 858 |
|
70 |
1.4 |
71 |
Show |
|
17145-3946 |
HJ 4926 |
AB |
335 |
13.8 |
72 |
Show |
|
17145-3946 |
HJ 4926 |
AC |
209 |
16.4 |
72 |
Show |
|
17128-3728 |
B 899 |
|
330 |
1.8 |
76 |
Show |
|
17095-3901 |
VVV 37 |
|
37 |
2.1 |
76 |
Show |
|
17189-3946 |
I 409 |
|
35 |
5.4 |
81 |
Show |
|
17208-3932 |
RST1951 |
|
81 |
0.9 |
84 |
Show |
|
17132-3955 |
RST1942 |
|
155 |
1.4 |
85 |
Show |
|
17132-3714 |
B 2827 |
|
150 |
4.5 |
87 |
Show |
|
17227-3812 |
I 1317 |
|
247 |
0.3 |
87 |
Show |
|
17091-3753 |
B 896 |
|
87 |
4.7 |
88 |
Show |
|
17232-3821 |
RST1955 |
|
51 |
0.4 |
91 |
Show |
|
17151-4006 |
WG 201 |
|
91 |
5.7 |
91 |
Show |
|
17096-3738 |
TDT 238 |
|
144 |
1.4 |
92 |
Show |
|
17077-3849 |
I 1311 |
|
86 |
3.8 |
94 |
Show |
|
17084-3754 |
RST3070 |
|
172 |
0.4 |
95 |
Show |
|
17227-3748 |
B 908 |
AB |
115 |
2.7 |
96 |
Show |
|
17227-3748 |
B 908 |
AC |
208 |
9.7 |
96 |
Show |
|
17204-3954 |
WG 204 |
|
167 |
4.8 |
97 |
Show |
|
17241-3849 |
KPP4038 |
|
42 |
1.6 |
100 |
Show |
|
17228-3739 |
B 909 |
|
72 |
2.9 |
102 |
Show |
|
17094-3716 |
HDS2423 |
|
151 |
0.2 |
109 |
Show |
|
17131-3651 |
B 901 |
|
297 |
2.9 |
109 |
Show |
|
17080-3733 |
JSP 707 |
|
317 |
0.8 |
111 |
Show |
|
17062-3838 |
SEE 318 |
|
356 |
1.1 |
111 |
Show |
|
17244-3759 |
RST3092 |
|
64 |
0.3 |
111 |
Show |
|
17214-3707 |
BRT1714 |
|
9 |
1.7 |
113 |
Show |
|
17175-3645 |
TDT 297 |
|
292 |
0.5 |
114 |
Show |
|
17210-3701 |
B 906 |
|
335 |
0.4 |
114 |
Show |
|
17232-3946 |
WG 206 |
AB |
147 |
4.8 |
114 |
Show |
|
17232-3946 |
SHT 31 |
AC |
265 |
13.1 |
114 |
|
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WDS 17156-3836 : COMPONENTS
17156-3836 A
Componente originario normalizzato |
AB |
|
Name |
HD 155826 |
|
Coord arcsec 2000 |
171535.95-383538.0 |
|
Mag |
6.3 |
|
Spectral class |
F7V (yellow-white) |
|
PmRA |
-174.00 |
|
PmDE |
-412.0 |
|
SAO |
208591 |
|
HIP |
84425 |
|
Tycho2 |
7870-00136-1 |
|
HD |
155826 |
|
HR |
6398 |
|
GC |
23270 |
|
CD |
CD-3811686 |
|
CP |
CP-38 6755 |
|
Tycho2 |
7870-00136-1 |
|
Pflag |
|
|
RAmdeg |
258.89978410 |
|
DEmdeg |
-38.59394682 |
|
PmRA |
-173.8 |
|
PmDE |
-410.6 |
|
E RAmdeg |
4 |
|
E DEmdeg |
4 |
|
E pmRA |
1.3 |
|
E pmDE |
1.3 |
|
EpRAm |
1991.42 |
|
EpDEm |
1991.08 |
|
Num |
14 |
|
Q RAmdeg |
1.5 |
|
Q DEmdeg |
1.2 |
|
Q pmRA |
1.6 |
|
Q pmDE |
1.2 |
|
BTmag |
6.648 |
|
E BTmag |
0.014 |
|
VTmag |
6.021 |
|
E VTmag |
0.009 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
84425 |
|
CCDM |
AB |
|
RAdeg |
258.90029528 |
|
DEdeg |
-38.59296028 |
|
EpRA 1990 |
1.73 |
|
EpDE 1990 |
1.35 |
|
E RAdeg |
3.5 |
|
E DEdeg |
3.9 |
|
Posflg |
P |
|
Corr |
0.1 |
|
SAO |
208591 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0157 |
|
DE1950 |
|
|
PmDE1950 |
-0.412 |
|
Vmag |
6.1 |
|
SpType |
F8 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
23270 |
|
DM |
CD-3811686 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
155826 |
|
M HD |
0 |
|
GC |
23270 |
|
RA1950rad |
4.50372627 |
|
DE1950rad |
-0.67252135 |
|
PmRA2000 |
-0.0155 |
|
PmDE2000 |
-0.412 |
|
Catalog |
H |
|
HIP |
84425 |
|
Proxy |
H |
|
RAhms |
17 15 36.08 |
|
DEdms |
-38 35 34.6 |
|
Vmag |
5.95 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
258.9 |
|
DEdeg |
-38.593 |
|
AstroRef |
* |
|
Plx |
32.6 |
|
CCDM |
17156-3836 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
AB |
|
Theta |
236 |
|
Rho |
0.216 |
|
HD |
155826 |
|
BD |
|
|
CD |
CD-3811686 |
|
CP |
CP-38 6755 |
|
Dm number |
-3811686 |
|
VIred |
0.64 |
|
SpType |
G0V |
|
R SpType |
|
|
Coord arcsec 2000 |
171536.08-383534.6 |
|
HIP |
84425 |
|
Sn |
55 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
4.5186630899 |
|
DErad |
-0.67357407 |
|
Plx |
32.69 |
|
PmRA |
-171.98 |
|
PmDE |
-391.07 |
|
E RArad |
0.51 |
|
E DErad |
0.29 |
|
E Plx |
0.59 |
|
E pmRA |
0.6 |
|
E pmDE |
0.31 |
|
Hpmag |
6.0707 |
|
E Hpmag |
0.0008 |
|
SHp |
0.006 |
|
VA |
0 |
|
BV |
0.58 |
|
E BV |
0.004 |
|
VI |
0.64 |
|
Ccdm |
17156-3836 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
-0.06 |
|
DDEs |
22.2 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
6.7 |
|
Sp |
F8 |
|
PmNote |
* |
|
PmRA |
-177 |
|
PmDE |
-407 |
|
Dm number |
-3811686 |
|
Cat1 |
CD |
|
Name2 |
208591 |
|
Cat2 |
SAO |
|
HD |
155826 |
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
17088S3828A |
|
HIC |
84425 |
|
17156-3836 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
171535.94-383538.2 |
|
Mag |
7.88 |
|
Spectral class |
G2V (yellow) |
|
Calc delta mag |
1.58 |
|
Calc coord |
yes |
|
Ccdm |
17156-3836 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
FIN 355 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1959 |
|
Theta |
142 |
|
Rho |
0.1 |
|
Obs |
1 |
|
Vmag |
6.8 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
17088S3828B |
|
HIC |
84425 |
|