13473+1727 STT 270 AB (Tau Boo)
13h 47m 15.74s +17° 27' 24.8" P.A. 76.00 sep 1.5 mag 4.50,11.10 Sp F6IV+M2V dist. 15.62 pc (50.95 l.y.)
Coord 2000 |
13473+1727 |
|
Discov num |
STT 270 |
|
Comp |
AB |
|
Coord arcsec 2000 |
13 47 15.74 +17 27 24.8 |
|
Date first |
1825 |
|
Date last |
2017 |
|
Obs |
70 |
|
Pa first |
345 |
|
Pa last |
76.3 |
|
P.A. Now (θ) |
76.3° |
|
Sep first |
22.5 |
|
Sep last |
1.5 |
|
Sep. Now (ρ) |
1.5" |
|
Mag pri |
4.50 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
6.6 |
|
Spectral class |
F6IV+M2V (yellow-white/red) |
|
Pri motion ra |
-482 |
|
Sec motion ra |
|
|
Pri motion dec |
+041 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
13473+1727 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
Tau Boo |
100706 |
13 47 16 +17 27 25 |
STT 270 AB |
2017 |
70 |
76 |
1.5 |
4.50 |
11.10 |
6.60 |
Y |
<=== |
Show |
|
100706 |
13 47 16 +17 27 25 |
PIN 9 AC |
1998 |
1 |
187 |
42.6 |
3.51 |
14.33 |
10.82 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
Tau Boo |
|
Var name |
NSV6444 Boo |
|
Constellation |
Bootes |
|
SAO |
100706 |
|
HIP |
67275 |
|
Tycho2 |
1460-00132-1 |
|
HD |
120136 |
|
HR |
5185 |
|
GC |
18637 |
|
ADS |
9025 |
|
GL |
Gl 527A |
|
BD |
BD+18 2782 |
|
Bayer |
Tau Bootis |
|
Bayer name |
Tau Boo |
|
Flamsteed |
4 Bootis |
|
Flamsteed name |
4 Boo |
|
FK5 |
507 |
|
Distance |
15.62 |
|
Distance ly |
50.95 |
|
Bayer greek |
τ Boo |
|
ORBITAL ELEMENTS
Period (P) | 964y | ± 1321 |
Periastron (T) | 2030y | ± 5 |
Semi-major axis (a) | 7.6a | ± 6.9 |
Eccentricity (e) | 0.836 | ± 0.074 |
Inclination (i) | 37° | ± 39.7 |
Longitude of periastron (ω) | 334.2° | ± 28.6 |
Node (Ω) | 171.9° | ± 50.3 |
Notes | n | |
Reference | Dru2014 | |
Equinox | | |
Last observation | 2012 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
31.1 |
2.818 |
2001 |
32.3 |
2.740 |
2002 |
33.6 |
2.662 |
2003 |
35.0 |
2.583 |
2004 |
36.4 |
2.503 |
2005 |
38.0 |
2.423 |
2006 |
39.7 |
2.343 |
2007 |
41.4 |
2.263 |
2008 |
43.4 |
2.183 |
2009 |
45.4 |
2.103 |
2010 |
47.6 |
2.024 |
2011 |
50.0 |
1.944 |
2012 |
52.6 |
1.866 |
2013 |
55.5 |
1.788 |
2014 |
58.6 |
1.713 |
2015 |
61.9 |
1.638 |
2016 |
65.6 |
1.567 |
2017 |
69.6 |
1.498 |
2018 |
74.1 |
1.433 |
2019 |
78.9 |
1.373 |
2020 |
84.1 |
1.318 |
2021 |
89.7 |
1.270 |
2022 |
95.8 |
1.229 |
2023 |
102.2 |
1.196 |
2024 |
109.0 |
1.172 |
2025 |
116.0 |
1.157 |
2026 |
123.1 |
1.151 |
2027 |
130.2 |
1.154 |
2028 |
137.2 |
1.164 |
2029 |
144.1 |
1.181 |
2030 |
150.8 |
1.203 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 13473+1727 STT 270 AB (Tau Boo) : NOTES
discov_num |
notes |
refcode |
STT 270 |
tau Boo = 4 Boo. A is a Delta Scuti-type variable. |
|
|
CHARA Array Limb-darkened diameter 0.786 +/- 0.016 mas, |
CIA2008c |
|
R = 1.331 +/- 0.027 \rsun. |
|
|
NPOI Limb-darkened diameter 0.822 +/- 0.049 mas, Sp = F7IV, |
NOI2018 |
|
R = 1.38 +/- 0.08 \rsun, Teff = 6556 +/-212 K, L = 3.2 +/- 0.2 \lsun. |
|
|
AB: Tau Boo. A hosts exolanet, P=3.31d |
Tok2014d |
REFERENCES
refcode |
metd |
author |
reference |
CIA2008c |
not j |
Baines, E.K., McAlister, H.A., ten Brummelaar, T.A., Turner, N.H., Sturmann, J., |
2008ApJ...680..728B |
CIA2008c |
|
Sturmann, L., Goldfinger, P.J. & Ridgway, S.T. |
. |
CIA2008c |
|
ApJ 680, 728, 2008 |
. |
Dru2014 |
A j |
Drummond, J.D. |
2014AJ....147...65D |
Dru2014 |
+orb |
AJ 147, 65, 2014 |
|
Dru2014 |
|
(Note: slight modifications to published measures, as well as additional measures, |
|
Dru2014 |
|
provided by Drummond, private comm.) |
|
NOI2018 |
not j |
Baines, E.K., Armstrong, J.T., Schmitt, H.R., Zavala, R.T., Benson, J.A., Hutter, |
2018AJ....155...30B |
NOI2018 |
|
D.J., Tycner, C. & van Belle, G.T. |
|
NOI2018 |
|
AJ 155, 30, 2018 |
|
Tok2014d |
E2 - |
Tokovinin, A. |
2014AJ....147...86T |
Tok2014d |
|
AJ 147, 86, 2014 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
PIN |
Pinfield, D.J., Jones, H.R.A., Lucas, P.W., Kendall, T.R., Folkes, S.L., |
1 |
PIN |
Day-Jones, A.C., Chappelle, R.J., & Steele, I.A. |
2 |
PIN |
Pinfield, D.J., Burningham, B., Lodieu, N., Leggett, S.K., Tinney, C.G., |
2 |
PIN |
van Spaandonk, L., Marocco, F., Smart, R., Gomes, J., Smith, L., Lucas, P.W., |
2 |
PIN |
Day-Jones, A.C., et al. |
3 |
STT |
Struve, O. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
13473+1727 |
STT 270 |
AB |
2012 |
61 |
57 |
1.8 |
4.50 |
11.10 |
F6IV M2 |
NO |
134715.74+172724.8 |
13473+1727 |
STT 270 |
AB |
2017 |
63 |
76 |
1.5 |
4.50 |
11.10 |
F6IV+M2V |
NO |
134715.74+172724.8 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 13473+1727 STT 270 AB (Tau Boo) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 13473+1727 STT 270 AB (Tau Boo) : MEASURES
No records found.
WDS 13473+1727 (Tau Boo) : 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 13473+1727 (Tau Boo) : ALADIN DSS IMAGE @ 13h 47m 15.74s +17° 27' 24.8"
WDS 13473+1727 STT 270 AB (Tau Boo) : 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 |
|
13473+1727 |
STT 270 |
AB |
76 |
1.5 |
|
Show |
|
13473+1727 |
PIN 9 |
AC |
187 |
42.6 |
|
Show |
|
13461+1703 |
SLE 918 |
AB |
3 |
13.1 |
30 |
Show |
|
13461+1703 |
SLE 918 |
AC |
206 |
24.4 |
30 |
Show |
|
13493+1742 |
S 655 |
AB |
86 |
46.3 |
33 |
Show |
|
13493+1742 |
S 655 |
AC |
11 |
57.4 |
33 |
Show |
|
13493+1742 |
S 655 |
BC |
326 |
63.6 |
34 |
Show |
|
13451+1747 |
BUP 153 |
AB |
335 |
111.5 |
37 |
Show |
|
13451+1747 |
BUP 153 |
AC |
107 |
446.9 |
37 |
Show |
|
13504+1734 |
SLW 939 |
|
266 |
159.1 |
46 |
Show |
|
13441+1701 |
BPM 607 |
|
249 |
109.0 |
53 |
Show |
|
13436+1738 |
GWP2068 |
AB |
349 |
222.6 |
54 |
Show |
|
13451+1822 |
FYM 240 |
BD |
278 |
18.1 |
63 |
Show |
|
13451+1822 |
STF1782 |
AB |
185 |
30.4 |
63 |
Show |
|
13517+1722 |
CVR 711 |
|
212 |
24.7 |
65 |
Show |
|
13422+1807 |
HJ 230 |
|
320 |
64.2 |
83 |
Show |
|
13530+1745 |
SLE 920 |
|
111 |
7.7 |
84 |
Show |
|
13414+1741 |
KPP1621 |
|
217 |
12.4 |
85 |
Show |
|
13431+1830 |
SLW 919 |
|
236 |
56.2 |
86 |
Show |
|
13509+1615 |
GWP2101 |
|
26 |
14.9 |
89 |
Show |
|
13523+1830 |
SLE 919 |
|
147 |
6.7 |
95 |
Show |
|
13529+1818 |
GWP2117 |
AB |
115 |
394.9 |
96 |
Show |
|
13529+1818 |
GWP2118 |
AC |
351 |
253.6 |
96 |
Show |
|
13409+1647 |
SLW 910 |
|
60 |
15.8 |
100 |
Show |
|
13465+1545 |
A 2063 |
|
137 |
0.2 |
103 |
Show |
|
13453+1910 |
SLW 925 |
|
190 |
11.1 |
106 |
Show |
|
13412+1624 |
COU2192 |
|
271 |
2.5 |
108 |
Show |
|
13473+1915 |
LDS4407 |
|
313 |
16.5 |
109 |
Show |
|
13541+1631 |
CBL 433 |
|
9 |
36.2 |
113 |
Show |
|
13555+1720 |
GWP2141 |
|
288 |
332.2 |
118 |
Show |
Muphrid |
13547+1824 |
SHJ 169 |
|
85 |
114.9 |
121 |
Show |
|
13494+1924 |
LDS4413 |
|
239 |
130.9 |
121 |
Show |
|
13465+1522 |
CBL 430 |
|
235 |
12.0 |
126 |
Show |
|
13389+1807 |
BPM 605 |
|
172 |
14.1 |
126 |
Show |
|
13555+1813 |
SHN 184 |
|
-1 |
0.3 |
127 |
Show |
|
13564+1654 |
BPM 608 |
|
162 |
79.0 |
136 |
Show |
|
13507+1934 |
SKF1747 |
|
70 |
1.7 |
136 |
Show |
|
13564+1808 |
SHN 185 |
|
223 |
0.4 |
138 |
Show |
|
13566+1826 |
SHN 186 |
|
-1 |
0.3 |
146 |
Show |
|
13575+1717 |
GWP2153 |
|
312 |
249.6 |
147 |
Show |
|
13577+1744 |
LDS 951 |
AB |
266 |
20.5 |
147 |
Show |
|
13549+1546 |
LDS1398 |
|
187 |
13.4 |
150 |
Show |
|
13455+1956 |
LDS4400 |
AB |
86 |
37.5 |
151 |
Show |
|
13455+1956 |
LDS4400 |
AC |
183 |
69.4 |
151 |
Show |
|
13465+1456 |
SLW 928 |
|
49 |
10.9 |
152 |
Show |
|
13582+1744 |
CVR1553 |
|
311 |
3.3 |
157 |
Show |
|
13375+1613 |
KPP2677 |
|
44 |
4.5 |
159 |
Show |
|
13388+1913 |
LDS4386 |
|
128 |
145.9 |
160 |
Show |
|
13369+1622 |
SLW 903 |
|
110 |
10.0 |
164 |
Show |
|
13587+1743 |
GWP2157 |
|
150 |
174.2 |
164 |
Show |
|
13587+1711 |
COU 58 |
|
2 |
1.4 |
164 |
|
|
WDS 13473+1727 : COMPONENTS
|
A |
B |
B |
pa=75.7°
sep=1.43"
| |
C |
pa=186.5°
sep=42.59"
| pa=188.3°
sep=43.12"
|
13473+1727 A
Name |
Tau Boo |
|
Coord arcsec 2000 |
134715.74+172724.8 |
|
Mag |
4.5 |
|
Spectral class |
F6IV (yellow-white) |
|
PmRA |
-482.00 |
|
PmDE |
41.0 |
|
SAO |
100706 |
|
HIP |
67275 |
|
Tycho2 |
1460-00132-1 |
|
HD |
120136 |
|
HR |
5185 |
|
GC |
18637 |
|
ADS |
9025 |
|
BD |
BD+18 2782 |
|
Bayer |
Tau Bootis |
|
Bayer name |
Tau |
|
Flamsteed |
4 Bootis |
|
Flamsteed name |
4 Boo |
|
FK5 |
507 |
|
Tycho2 |
1460-00132-1 |
|
Pflag |
|
|
RAmdeg |
206.81559567 |
|
DEmdeg |
17.45689887 |
|
PmRA |
-480.8 |
|
PmDE |
50.4 |
|
E RAmdeg |
3 |
|
E DEmdeg |
3 |
|
E pmRA |
0.4 |
|
E pmDE |
0.4 |
|
EpRAm |
1990.47 |
|
EpDEm |
1990.42 |
|
Num |
23 |
|
Q RAmdeg |
1.3 |
|
Q DEmdeg |
1.3 |
|
Q pmRA |
1.2 |
|
Q pmDE |
1.5 |
|
BTmag |
5.064 |
|
E BTmag |
0.014 |
|
VTmag |
4.536 |
|
E VTmag |
0.009 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
67275 |
|
CCDM |
|
|
RAdeg |
206.81675028 |
|
DEdeg |
17.45677917 |
|
EpRA 1990 |
1.75 |
|
EpDE 1990 |
1.45 |
|
E RAdeg |
3.2 |
|
E DEdeg |
3.4 |
|
Posflg |
|
|
Corr |
0.3 |
|
SAO |
100706 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0338 |
|
DE1950 |
|
|
PmDE1950 |
0.034 |
|
Vmag |
4.5 |
|
SpType |
F5 |
|
Double code |
|
|
Source |
74 |
|
CatNum |
507 |
|
DM |
BD+18 2782 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
120136 |
|
M HD |
0 |
|
GC |
18637 |
|
RA1950rad |
3.59924045 |
|
DE1950rad |
0.30901486 |
|
PmRA2000 |
-0.0337 |
|
PmDE2000 |
0.038 |
|
Catalog |
H |
|
HIP |
67275 |
|
Proxy |
|
|
RAhms |
13 47 16.04 |
|
DEdms |
+17 27 24.4 |
|
Vmag |
4.5 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
206.817 |
|
DEdeg |
17.4568 |
|
AstroRef |
|
|
Plx |
64.12 |
|
CCDM |
13473+1727 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
120136 |
|
BD |
BD+18 2782 |
|
CD |
|
|
CP |
|
|
Dm number |
+18 2782 |
|
VIred |
0.51 |
|
SpType |
F7V |
|
R SpType |
|
|
Coord arcsec 2000 |
134716.04+172724.4 |
|
HIP |
67275 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
3.6096344455 |
|
DErad |
0.3046781868 |
|
Plx |
64.03 |
|
PmRA |
-479.53 |
|
PmDE |
53.49 |
|
E RArad |
0.16 |
|
E DErad |
0.13 |
|
E Plx |
0.19 |
|
E pmRA |
0.16 |
|
E pmDE |
0.13 |
|
Hpmag |
4.5949 |
|
E Hpmag |
0.0004 |
|
SHp |
0.006 |
|
VA |
0 |
|
BV |
0.508 |
|
E BV |
0.001 |
|
VI |
0.51 |
|
Ccdm |
13473+1727 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
-2.26 |
|
DDEs |
24.0 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
4.5 |
|
Sp |
F5 |
|
PmNote |
* |
|
PmRA |
-482 |
|
PmDE |
34 |
|
Dm number |
+18 2782 |
|
Cat1 |
BD |
|
Name2 |
100706 |
|
Cat2 |
SAO |
|
HD |
120136 |
|
M HD |
|
|
ADS BDS |
A 9025 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
13425N1757A |
|
HIC |
67275 |
|
13473+1727 B
Coord arcsec 2000 |
134715.84+172725.2 |
|
Mag |
11.1 |
|
Spectral class |
M2V (red) |
|
Calc delta mag |
6.6 |
|
Calc coord |
yes |
|
Ccdm |
13473+1727 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
STT 270 |
|
DRAs |
-2.15 |
|
DDEs |
27.6 |
|
R dRAs |
90 |
|
Year |
1958 |
|
Theta |
007 |
|
Rho |
5.4 |
|
Obs |
27 |
|
Vmag |
11.1 |
|
Sp |
|
|
PmNote |
* |
|
PmRA |
-458 |
|
PmDE |
-12 |
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A 9025 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
13425N1757B |
|
HIC |
67275 |
|
13473+1727 C
Coord arcsec 2000 |
134715.40+172642.5 |
|
Mag |
14.33 |
|
Spectral class |
L? (very deep red) |
|
Calc delta mag |
9.83 |
|
Calc coord |
yes |
|