02321-1515 TOK 382 Aa,Ab
02h 32m 05.23s -15° 14' 40.6" P.A. 199.00 sep 0.6 mag 4.70,8.70 Sp F4IV dist. 26.7 pc (87.1 l.y.)
Coord 2000 |
02321-1515 |
|
Discov num |
TOK 382 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
02 32 05.23 -15 14 40.6 |
|
Date first |
2013 |
|
Date last |
2020 |
|
Obs |
8 |
|
Pa first |
342 |
|
Pa last |
199 |
|
P.A. Now (θ) |
199° |
|
Sep first |
0.2 |
|
Sep last |
0.554 |
|
Sep. Now (ρ) |
0.554" |
|
Mag pri |
4.70 |
|
Mag sec |
8.70 |
|
delta mag (ΔM) |
4 |
|
Spectral class |
F4IV (yellow-white) |
|
Pri motion ra |
-074 |
|
Sec motion ra |
|
|
Pri motion dec |
-122 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
02321-1515 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
148445 |
02 32 05 -15 14 41 |
TOK 382 Aa,Ab |
2020 |
8 |
199 |
0.6 |
4.70 |
8.70 |
4.00 |
Y |
<=== |
Show |
Sig Cet |
148445 |
02 32 05 -15 14 41 |
GWP 335 AB |
1999 |
5 |
252 |
345.6 |
4.79 |
8.77 |
3.98 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cetus |
|
SAO |
148445 |
|
HIP |
11783 |
|
Tycho2 |
5860-02587-1 |
|
Gaia DR2 |
5145955421492456960 |
|
HD |
15798 |
|
HR |
740 |
|
GC |
3045 |
|
BD |
BD-15 449 |
|
Bayer |
Sigma Ceti |
|
Bayer name |
Sig Cet |
|
Flamsteed |
76 Ceti |
|
Flamsteed name |
76 Cet |
|
FK5 |
1071 |
|
Distance |
26.7 |
|
Distance ly |
87.1 |
|
Bayer greek |
σ Cet |
|
ORBITAL ELEMENTS
Period (P) | 21y | ± 1.9 |
Periastron (T) | 2015.632y | ± 0.062 |
Semi-major axis (a) | 0.366a | ± 0.012 |
Eccentricity (e) | 0.858 | ± 0.016 |
Inclination (i) | 120.4° | ± 1.5 |
Longitude of periastron (ω) | 24.3° | ± 3 |
Node (Ω) | 23.4° | ± 1.6 |
Notes | n | |
Reference | Tok2021c | |
Equinox | 2000 | |
Last observation | 2021 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
198.5 |
0.561 |
2001 |
196.8 |
0.597 |
2002 |
195.2 |
0.621 |
2003 |
193.6 |
0.635 |
2004 |
192.2 |
0.641 |
2005 |
190.7 |
0.637 |
2006 |
189.2 |
0.625 |
2007 |
187.6 |
0.604 |
2008 |
185.9 |
0.575 |
2009 |
184.0 |
0.537 |
2010 |
181.8 |
0.490 |
2011 |
178.9 |
0.433 |
2012 |
175.2 |
0.364 |
2013 |
169.4 |
0.281 |
2014 |
157.9 |
0.183 |
2015 |
113.7 |
0.076 |
2016 |
246.0 |
0.068 |
2017 |
213.4 |
0.246 |
2018 |
206.8 |
0.363 |
2019 |
203.2 |
0.448 |
2020 |
200.6 |
0.513 |
2021 |
198.5 |
0.561 |
2022 |
196.8 |
0.597 |
2023 |
195.2 |
0.621 |
2024 |
193.6 |
0.635 |
2025 |
192.2 |
0.641 |
2026 |
190.7 |
0.637 |
2027 |
189.2 |
0.625 |
2028 |
187.6 |
0.604 |
2029 |
185.9 |
0.575 |
2030 |
184.0 |
0.537 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 02321-1515 TOK 382 Aa,Ab : NOTES
discov_num |
notes |
refcode |
GWP 335 |
ABL 52. |
Tob2012b |
|
sig Cet. B is BD-15@@447. |
|
|
SHY 141. Bayesian analysis by Shaya & Olling (2011) indicates very |
Shy2011 |
|
high (near 100%) probability pair is physical. |
|
REFERENCES
refcode |
metd |
author |
reference |
Shy2011 |
- |
Shaya, E.J. & Olling, R. |
2011ApJS..192....2S |
Shy2011 |
|
ApJS 192, 2, 2011 |
|
Shy2011 |
|
(Statistical analysis of probability that wide Hipparcos pairs are physical. Pairs |
|
Shy2011 |
|
added to WDS only if probability 90% or greater.) |
|
Tob2012b |
not - |
Tobal, T. |
................... |
Tob2012b |
|
private communication, 2012 |
|
Tok2021c |
orb - |
Tokovinin, A. |
2021IAUDS.203....1S |
Tok2021c |
|
Inf. Circ. 203, 1, 2021 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
GWP |
Garraf Wide Pairs: CPM wide pairs (>50mas/y) discovered in the Garraf Astronomical |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
02321-1515 |
TOK 382 |
Aa,Ab |
2013 |
1 |
342 |
0.2 |
4.70 |
8.70 |
F4IV |
|
023205.23-151440.6 |
02321-1515 |
TOK 382 |
Aa,Ab |
2014 |
3 |
338 |
0.2 |
4.70 |
8.70 |
F4IV |
|
023205.23-151440.6 |
02321-1515 |
TOK 382 |
Aa,Ab |
2017 |
5 |
29 |
0.3 |
4.70 |
8.70 |
F4IV |
N |
023205.23-151440.6 |
02321-1515 |
TOK 382 |
Aa,Ab |
2018 |
6 |
204 |
0.4 |
4.70 |
8.70 |
F4IV |
N |
023205.23-151440.6 |
02321-1515 |
TOK 382 |
Aa,Ab |
2019 |
7 |
201 |
0.5 |
4.70 |
8.70 |
F4IV |
N |
023205.23-151440.6 |
02321-1515 |
TOK 382 |
Aa,Ab |
2020 |
8 |
199 |
0.6 |
4.70 |
8.70 |
F4IV |
N |
023205.23-151440.6 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 02321-1515 TOK 382 Aa,Ab : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 02321-1515 TOK 382 Aa,Ab : MEASURES
No records found.
WDS 02321-1515 : 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 02321-1515 : ALADIN DSS IMAGE @ 02h 32m 05.23s -15° 14' 40.6"
WDS 02321-1515 TOK 382 Aa,Ab : 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 |
|
02321-1515 |
GWP 335 |
AB |
252 |
345.6 |
|
Show |
|
02321-1515 |
TOK 382 |
Aa,Ab |
199 |
0.6 |
|
Show |
|
02350-1522 |
GWP 340 |
|
20 |
12.9 |
43 |
Show |
|
02297-1541 |
DEA 13 |
|
154 |
80.8 |
43 |
Show |
|
02351-1535 |
HU 429 |
|
142 |
4.2 |
48 |
Show |
|
02359-1515 |
HU 809 |
|
44 |
1.0 |
55 |
Show |
|
02310-1418 |
LDS3397 |
|
14 |
13.1 |
59 |
Show |
|
02313-1416 |
RST3367 |
|
200 |
2.5 |
60 |
Show |
|
02284-1442 |
LDS3391 |
|
99 |
5.9 |
63 |
Show |
|
02276-1450 |
LDS3389 |
|
75 |
156.2 |
70 |
Show |
|
02366-1439 |
HDS 339 |
|
46 |
0.8 |
74 |
Show |
|
02278-1601 |
ARA 14 |
|
287 |
5.7 |
78 |
Show |
|
02299-1358 |
HDS 323 |
|
15 |
0.4 |
83 |
Show |
|
02376-1455 |
LDS5389 |
|
54 |
271.5 |
84 |
Show |
|
02260-1520 |
H 3 80 |
AB |
296 |
12.2 |
89 |
Show |
|
02260-1520 |
H 3 80 |
AC |
30 |
110.4 |
89 |
Show |
|
02262-1602 |
GWP 317 |
|
246 |
43.0 |
98 |
Show |
|
02250-1501 |
GWP 312 |
|
136 |
8.9 |
104 |
Show |
|
02342-1331 |
HDS 336 |
|
333 |
0.1 |
108 |
Show |
|
02398-1522 |
GWP 352 |
|
133 |
9.9 |
113 |
Show |
|
02362-1656 |
GWP 344 |
|
78 |
23.8 |
118 |
Show |
|
02366-1654 |
FEN 2 |
|
333 |
4.7 |
118 |
Show |
|
02362-1332 |
RST3369 |
|
97 |
1.0 |
119 |
Show |
|
02396-1611 |
A 2903 |
|
194 |
3.4 |
122 |
Show |
|
02282-1703 |
KPP3490 |
|
158 |
1.8 |
122 |
Show |
|
02298-1315 |
SKF2163 |
|
131 |
47.8 |
125 |
Show |
|
02313-1310 |
GAL 322 |
|
24 |
37.7 |
126 |
Show |
|
02404-1427 |
SKF2164 |
|
336 |
160.9 |
131 |
Show |
|
02360-1312 |
GWP 343 |
|
199 |
46.7 |
136 |
Show |
|
02415-1506 |
HDS 351 |
|
20 |
0.0 |
137 |
Show |
|
02276-1313 |
RST4206 |
|
43 |
1.0 |
139 |
Show |
|
02234-1614 |
STZ 3 |
|
196 |
12.6 |
140 |
Show |
|
02340-1257 |
HDS 335 |
|
172 |
0.2 |
141 |
Show |
|
02422-1531 |
ARA 1 |
|
136 |
6.7 |
148 |
Show |
|
02427-1513 |
GWP 358 |
|
224 |
28.1 |
155 |
Show |
|
02427-1511 |
LDS5391 |
AB |
198 |
123.2 |
155 |
Show |
|
02427-1511 |
LDS5391 |
Aa,Ab |
98 |
4.7 |
155 |
Show |
|
02216-1546 |
HDS 307 |
|
257 |
0.5 |
155 |
Show |
|
02405-1341 |
GAL 324 |
AB |
75 |
42.4 |
155 |
Show |
|
02405-1341 |
TOB 362 |
AC |
14 |
11.1 |
155 |
Show |
|
02354-1247 |
A 2607 |
AB |
250 |
1.2 |
156 |
Show |
|
02354-1247 |
HJ 2148 |
AB,C |
345 |
23.7 |
156 |
Show |
|
02217-1428 |
HU 427 |
|
338 |
0.9 |
158 |
Show |
|
02216-1434 |
HU 426 |
|
348 |
0.8 |
159 |
Show |
|
02415-1647 |
A 2904 |
|
184 |
3.0 |
164 |
Show |
|
02424-1358 |
LDS3419 |
|
355 |
12.2 |
168 |
Show |
|
02215-1354 |
GWP 303 |
|
238 |
4.6 |
174 |
Show |
|
02296-1224 |
MET 15 |
|
178 |
0.1 |
175 |
Show |
|
02225-1704 |
HJ 2135 |
|
322 |
16.6 |
176 |
Show |
|
02340-1812 |
BRG 13 |
|
5 |
0.9 |
180 |
Show |
|
02229-1718 |
GWP 308 |
|
9 |
295.1 |
181 |
|
|
WDS 02321-1515 : COMPONENTS
|
A |
Ab |
Ab |
pa=198.4°
sep=0.55"
| |
B |
pa=251.8°
sep=334.55"
| pa=251.9°
sep=334.22"
|
02321-1515 A
Name |
Sig Cet |
|
Coord arcsec 2000 |
023205.23-151440.6 |
|
Mag |
4.79 |
|
Spectral class |
F4IV (yellow-white) |
|
PmRA |
-73.00 |
|
PmDE |
-128.0 |
|
SAO |
148445 |
|
HIP |
11783 |
|
Tycho2 |
5860-02587-1 |
|
HD |
15798 |
|
HR |
740 |
|
GC |
3045 |
|
BD |
BD-15 449 |
|
Bayer |
Sigma Ceti |
|
Bayer name |
Sig |
|
Flamsteed |
76 Ceti |
|
Flamsteed name |
76 Cet |
|
FK5 |
1071 |
|
Tycho2 |
5860-02587-1 |
|
Pflag |
|
|
RAmdeg |
38.02180500 |
|
DEmdeg |
-15.24461550 |
|
PmRA |
-72.5 |
|
PmDE |
-120.4 |
|
E RAmdeg |
3 |
|
E DEmdeg |
3 |
|
E pmRA |
0.7 |
|
E pmDE |
0.6 |
|
EpRAm |
1991.04 |
|
EpDEm |
1991.30 |
|
Num |
19 |
|
Q RAmdeg |
1.3 |
|
Q DEmdeg |
2.7 |
|
Q pmRA |
1.3 |
|
Q pmDE |
2.7 |
|
BTmag |
5.259 |
|
E BTmag |
0.014 |
|
VTmag |
4.792 |
|
E VTmag |
0.009 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
11783 |
|
CCDM |
|
|
RAdeg |
38.02198417 |
|
DEdeg |
-15.24433667 |
|
EpRA 1990 |
1.40 |
|
EpDE 1990 |
1.66 |
|
E RAdeg |
3.4 |
|
E DEdeg |
3.3 |
|
Posflg |
|
|
Corr |
-0.6 |
|
SAO |
148445 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0053 |
|
DE1950 |
|
|
PmDE1950 |
-0.117 |
|
Vmag |
4.8 |
|
SpType |
F5 |
|
Double code |
|
|
Source |
74 |
|
CatNum |
1071 |
|
DM |
BD-15 449 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
15798 |
|
M HD |
0 |
|
GC |
3045 |
|
RA1950rad |
0.6532584 |
|
DE1950rad |
-0.26988347 |
|
PmRA2000 |
-0.0049 |
|
PmDE2000 |
-0.119 |
|
Catalog |
H |
|
HIP |
11783 |
|
Proxy |
|
|
RAhms |
02 32 05.28 |
|
DEdms |
-15 14 39.6 |
|
Vmag |
4.74 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
38.022 |
|
DEdeg |
-15.2443 |
|
AstroRef |
|
|
Plx |
38.73 |
|
CCDM |
|
|
N CCDM |
|
|
Nsys |
|
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
15798 |
|
BD |
BD-15 449 |
|
CD |
|
|
CP |
|
|
Dm number |
-15 449 |
|
VIred |
0.55 |
|
SpType |
F5V |
|
R SpType |
|
|
Coord arcsec 2000 |
023205.28-151439.6 |
|
HIP |
11783 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
0.6636088945 |
|
DErad |
-0.2660635556 |
|
Plx |
37.46 |
|
PmRA |
-80.21 |
|
PmDE |
-146.29 |
|
E RArad |
0.16 |
|
E DErad |
0.18 |
|
E Plx |
0.25 |
|
E pmRA |
0.22 |
|
E pmDE |
0.24 |
|
Hpmag |
4.8432 |
|
E Hpmag |
0.0004 |
|
SHp |
0.004 |
|
VA |
0 |
|
BV |
0.454 |
|
E BV |
0.012 |
|
VI |
0.55 |
|
02321-1515 Ab
Coord arcsec 2000 |
023205.22-151441.1 |
|
Mag |
8.7 |
|
Calc delta mag |
4 |
|
Calc coord |
yes |
|
02321-1515 B
Coord arcsec 2000 |
023143.27-151625.1 |
|
Mag |
8.77 |
|
PmRA |
-75.00 |
|
PmDE |
-118.0 |
|
SAO |
148443 |
|
HIP |
11759 |
|
Tycho2 |
5860-01581-1 |
|
HD |
15767 |
|
BD |
BD-15 447 |
|
Calc delta mag |
4.07 |
|
Calc coord |
yes |
|
Tycho2 |
5860-01581-1 |
|
Pflag |
|
|
RAmdeg |
37.92697488 |
|
DEmdeg |
-15.27345104 |
|
PmRA |
-73.5 |
|
PmDE |
-118.4 |
|
E RAmdeg |
10 |
|
E DEmdeg |
9 |
|
E pmRA |
1.2 |
|
E pmDE |
1.4 |
|
EpRAm |
1989.94 |
|
EpDEm |
1990.84 |
|
Num |
9 |
|
Q RAmdeg |
0.7 |
|
Q DEmdeg |
0.7 |
|
Q pmRA |
0.7 |
|
Q pmDE |
0.7 |
|
BTmag |
9.864 |
|
E BTmag |
0.025 |
|
VTmag |
8.770 |
|
E VTmag |
0.015 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
11759 |
|
CCDM |
|
|
RAdeg |
37.92715583 |
|
DEdeg |
-15.27317389 |
|
EpRA 1990 |
1.42 |
|
EpDE 1990 |
1.58 |
|
E RAdeg |
10.3 |
|
E DEdeg |
9.3 |
|
Posflg |
|
|
Corr |
-0.4 |
|
SAO |
148443 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0024 |
|
DE1950 |
|
|
PmDE1950 |
-0.128 |
|
Vmag |
8.8 |
|
SpType |
K0 |
|
Double code |
|
|
Source |
21 |
|
CatNum |
661 |
|
DM |
BD-15 447 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
15767 |
|
M HD |
0 |
|
GC |
|
|
RA1950rad |
0.6516068 |
|
DE1950rad |
-0.27039412 |
|
PmRA2000 |
-0.002 |
|
PmDE2000 |
-0.13 |
|
Catalog |
H |
|
HIP |
11759 |
|
Proxy |
|
|
RAhms |
02 31 42.52 |
|
DEdms |
-15 16 23.4 |
|
Vmag |
8.67 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
37.9272 |
|
DEdeg |
-15.2732 |
|
AstroRef |
|
|
Plx |
38.3 |
|
CCDM |
|
|
N CCDM |
|
|
Nsys |
|
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
15767 |
|
BD |
BD-15 447 |
|
CD |
|
|
CP |
|
|
Dm number |
-15 447 |
|
VIred |
0.98 |
|
SpType |
K2V |
|
R SpType |
|
|
Coord arcsec 2000 |
023142.52-151623.4 |
|
HIP |
11759 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
0.6619537381 |
|
DErad |
-0.2665670157 |
|
Plx |
35.86 |
|
PmRA |
-75.62 |
|
PmDE |
-120.63 |
|
E RArad |
0.6 |
|
E DErad |
0.73 |
|
E Plx |
0.95 |
|
E pmRA |
0.92 |
|
E pmDE |
0.99 |
|
Hpmag |
8.8195 |
|
E Hpmag |
0.0018 |
|
SHp |
0.015 |
|
VA |
0 |
|
BV |
0.935 |
|
E BV |
0.015 |
|
VI |
0.98 |
|