03496-0220 YR 23 (HD 24031)
03h 49m 38.68s -02° 19' 42.5" P.A. 283.00 sep 0.4 mag 7.73,8.29 Sp G0 dist. 50.94 pc (166.17 l.y.)
Coord 2000 |
03496-0220 |
|
Discov num |
YR 23 |
|
Comp |
|
|
Coord arcsec 2000 |
03 49 38.68 -02 19 42.5 |
|
Date first |
2000 |
|
Date last |
2021 |
|
Obs |
40 |
|
Pa first |
10 |
|
Pa last |
282.5 |
|
P.A. Now (θ) |
282.5° |
|
Sep first |
0.3 |
|
Sep last |
0.393 |
|
Sep. Now (ρ) |
0.393" |
|
Mag pri |
7.73 |
|
Mag sec |
8.29 |
|
delta mag (ΔM) |
0.56 |
|
Spectral class |
G0 (yellow) |
|
Pri motion ra |
-062 |
|
Sec motion ra |
|
|
Pri motion dec |
-041 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 24031 |
|
Constellation |
Eridanus |
|
SAO |
130752 |
|
HIP |
17895 |
|
Tycho2 |
4717-00812-1 |
|
Gaia DR2 |
3250243512297702016 |
|
HD |
24031 |
|
BD |
BD-02 726 |
|
Distance |
50.94 |
|
Distance ly |
166.17 |
|
ORBITAL ELEMENTS
Period (P) | 51.1y | |
Periastron (T) | 1988.3y | |
Semi-major axis (a) | 0.383a | |
Eccentricity (e) | 0.6 | |
Inclination (i) | 121.1° | |
Longitude of periastron (ω) | 286.5° | |
Node (Ω) | 68.6° | |
Notes | n | |
Reference | Tok2018a | |
Equinox | 2000 | |
Last observation | 2014 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
13.1 |
0.281 |
2001 |
7.7 |
0.282 |
2002 |
2.4 |
0.283 |
2003 |
357.1 |
0.285 |
2004 |
351.9 |
0.287 |
2005 |
346.7 |
0.291 |
2006 |
341.8 |
0.295 |
2007 |
336.9 |
0.300 |
2008 |
332.3 |
0.306 |
2009 |
327.8 |
0.312 |
2010 |
323.5 |
0.319 |
2011 |
319.4 |
0.327 |
2012 |
315.5 |
0.335 |
2013 |
311.8 |
0.343 |
2014 |
308.2 |
0.351 |
2015 |
304.9 |
0.359 |
2016 |
301.6 |
0.367 |
2017 |
298.5 |
0.375 |
2018 |
295.6 |
0.383 |
2019 |
292.7 |
0.390 |
2020 |
289.9 |
0.396 |
2021 |
287.2 |
0.401 |
2022 |
284.6 |
0.406 |
2023 |
282.0 |
0.410 |
2024 |
279.5 |
0.412 |
2025 |
277.0 |
0.413 |
2026 |
274.5 |
0.412 |
2027 |
272.0 |
0.409 |
2028 |
269.4 |
0.405 |
2029 |
266.7 |
0.398 |
2030 |
264.0 |
0.387 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 03496-0220 YR 23 (HD 24031) : NOTES
discov_num |
notes |
refcode |
YR 23 |
Triple. The RV amplitude of 9.5 km s-1 and double lines seen in GCS |
|
|
cannot be caused by the visual system YR 23 with estimated period of |
|
|
~50 yr which could however be responsible for dmu. |
Tok2012a |
|
The Hipparcos parallax, individual magnitudes and standard relations |
Tok2018a |
|
for main-sequence stars leads to masses of 1.14, 0.96 and 0.80 \msun |
|
|
for A and the unresolved Ba and Bb pair. |
|
|
Ba,Bb is estimated to have a dM in V band of 1.2 and a maximum |
|
|
separation of 26 mas. |
|
REFERENCES
refcode |
metd |
author |
reference |
Tok2012a |
A j |
Tokovinin, A., Hartnung, M., Hayward, T.L., & Makarov, V.V. |
2012AJ....144....7T |
Tok2012a |
|
AJ 144, 7, 2012 |
|
Tok2018a |
St+ - |
Gorynya, N.A. & Tokovinin, A. |
2018MNRAS.475.1375G |
Tok2018a |
+orb+ |
MNRAS 475, 1375, 2018 |
|
Tok2018a |
+not |
|
|
DISCOVERER
idgroup |
discov |
author |
1 |
YR |
Yale-Rochester (from additional DD list - see HOR) |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
03496-0220 |
YR 23 |
|
2004 |
4 |
343 |
0.4 |
7.73 |
8.29 |
|
D |
034938.68-021942.5 |
03496-0220 |
YR 23 |
|
2007 |
6 |
338 |
0.3 |
7.73 |
8.29 |
|
D |
034938.68-021942.5 |
03496-0220 |
YR 23 |
|
2008 |
7 |
329 |
0.3 |
7.73 |
8.29 |
|
D |
034938.68-021942.5 |
03496-0220 |
YR 23 |
|
2010 |
8 |
323 |
0.3 |
7.73 |
8.29 |
|
D |
034938.68-021942.5 |
03496-0220 |
YR 23 |
|
2011 |
10 |
320 |
0.3 |
7.73 |
8.29 |
|
D |
034938.68-021942.5 |
03496-0220 |
YR 23 |
|
2012 |
11 |
313 |
0.3 |
7.73 |
8.29 |
|
D |
034938.68-021942.5 |
03496-0220 |
YR 23 |
|
2014 |
12 |
306 |
0.4 |
7.73 |
8.29 |
G0 |
NO |
034938.68-021942.5 |
03496-0220 |
YR 23 |
|
2016 |
23 |
296 |
0.4 |
7.73 |
8.29 |
G0 |
NO |
034938.68-021942.5 |
03496-0220 |
YR 23 |
|
2017 |
25 |
296 |
0.4 |
7.73 |
8.29 |
G0 |
NO |
034938.68-021942.5 |
03496-0220 |
YR 23 |
|
2018 |
29 |
292 |
0.4 |
7.73 |
8.29 |
G0 |
NO |
034938.68-021942.5 |
03496-0220 |
YR 23 |
|
2019 |
34 |
289 |
0.4 |
7.73 |
8.29 |
G0 |
NO |
034938.68-021942.5 |
03496-0220 |
YR 23 |
|
2020 |
37 |
286 |
0.4 |
7.73 |
8.29 |
G0 |
NO |
034938.68-021942.5 |
03496-0220 |
YR 23 |
|
2021 |
40 |
283 |
0.4 |
7.73 |
8.29 |
G0 |
NO |
034938.68-021942.5 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 03496-0220 YR 23 (HD 24031) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 03496-0220 YR 23 (HD 24031) : MEASURES
No records found.
WDS 03496-0220 (HD 24031) : 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 03496-0220 (HD 24031) : ALADIN DSS IMAGE @ 03h 49m 38.68s -02° 19' 42.5"
WDS 03496-0220 YR 23 (HD 24031) : 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 |
|
03496-0220 |
YR 23 |
|
283 |
0.4 |
1 |
Show |
|
03500-0217 |
UC 1074 |
|
280 |
46.6 |
7 |
Show |
|
03497-0210 |
KPP2721 |
|
71 |
6.7 |
10 |
Show |
|
03503-0131 |
BU 401 |
AB |
253 |
4.6 |
50 |
Show |
|
03503-0131 |
BU 401 |
AC |
285 |
45.9 |
50 |
Show |
|
03503-0131 |
WAL 26 |
AD |
256 |
79.1 |
50 |
Show |
|
03503-0131 |
SHY 164 |
AE |
252 |
999.9 |
50 |
Show |
|
03493-0131 |
BU 539 |
|
274 |
2.7 |
50 |
Show |
|
03493-0127 |
RST4760 |
Aa,Ab |
286 |
0.8 |
53 |
Show |
|
03493-0127 |
UC 1069 |
AB |
81 |
22.3 |
53 |
Show |
|
03518-0306 |
GWP 524 |
|
50 |
10.9 |
57 |
Show |
|
03532-0200 |
STF 466 |
|
58 |
8.4 |
57 |
Show |
|
03532-0150 |
STF 468 |
A,BC |
99 |
19.7 |
61 |
Show |
|
03532-0150 |
BU 1276 |
BC |
66 |
1.8 |
61 |
Show |
|
03494-0115 |
DAM 56 |
AB |
270 |
4.9 |
66 |
Show |
|
03494-0115 |
STE 5 |
AC |
187 |
58.5 |
66 |
Show |
|
03496-0113 |
RST4761 |
|
36 |
1.1 |
67 |
Show |
|
03460-0300 |
UC 1058 |
|
49 |
12.2 |
68 |
Show |
|
03497-0105 |
UC 1072 |
|
160 |
37.2 |
75 |
Show |
|
03543-0257 |
STF 470 |
AB |
349 |
6.9 |
80 |
Show |
|
03543-0257 |
STF 470 |
AC |
5 |
164.7 |
80 |
Show |
|
03521-0109 |
ENG 15 |
|
153 |
97.1 |
81 |
Show |
|
03553-0237 |
BRT1928 |
|
114 |
5.4 |
88 |
Show |
|
03556-0158 |
KPP1093 |
|
64 |
8.7 |
92 |
Show |
|
03444-0124 |
SKF1143 |
|
256 |
5.9 |
97 |
Show |
|
03537-0101 |
BAL 288 |
|
160 |
4.4 |
100 |
Show |
|
03550-0116 |
BU 541 |
|
249 |
0.7 |
103 |
Show |
|
03525-0403 |
GWP 525 |
|
284 |
11.1 |
112 |
Show |
|
03455-0353 |
RST4232 |
|
254 |
0.3 |
112 |
Show |
|
03423-0249 |
LDS3525 |
|
54 |
2.3 |
113 |
Show |
|
03450-0349 |
KPP2720 |
|
205 |
5.4 |
113 |
Show |
|
03567-0134 |
SEE 503 |
|
168 |
0.7 |
116 |
Show |
|
03572-0246 |
BRT 364 |
|
272 |
2.2 |
116 |
Show |
|
03414-0157 |
BAL 23 |
|
204 |
14.7 |
128 |
Show |
|
03412-0151 |
KPP1531 |
|
161 |
11.6 |
130 |
Show |
|
03586-0239 |
BU 1042 |
AD |
251 |
37.3 |
137 |
Show |
|
03586-0239 |
BU 1042 |
A,BC |
91 |
59.0 |
137 |
Show |
|
03575-0110 |
BU 543 |
|
14 |
11.0 |
137 |
Show |
|
03586-0239 |
BU 1042 |
BC |
40 |
1.3 |
138 |
Show |
|
03405-0147 |
BAL 22 |
|
264 |
5.6 |
142 |
Show |
|
03410-0324 |
ALD 1 |
|
158 |
2.0 |
145 |
Show |
|
03439-0417 |
A 48 |
|
58 |
3.0 |
146 |
Show |
|
03404-0313 |
SOZ 9 |
|
267 |
19.2 |
149 |
Show |
|
03509-0010 |
A 1292 |
AB |
97 |
0.4 |
151 |
Show |
|
03509-0010 |
HJ 668 |
AB,C |
298 |
21.6 |
151 |
Show |
|
03503-0011 |
HJ 667 |
AB |
89 |
12.6 |
152 |
Show |
|
03503-0011 |
HJ 667 |
AC |
311 |
27.1 |
152 |
Show |
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03531+0003 |
UC 56 |
|
269 |
58.7 |
152 |
Show |
|
03424-0407 |
KPP 741 |
|
102 |
6.5 |
153 |
Show |
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03467-0010 |
SKF 847 |
|
41 |
111.0 |
157 |
Show |
|
03506+0018 |
TVB 57 |
|
13 |
12.3 |
159 |
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WDS 03496-0220 : COMPONENTS
03496-0220 A
Componente originario normalizzato |
AB |
|
Name |
HD 24031 |
|
Coord arcsec 2000 |
034938.68-021942.5 |
|
Mag |
7.73 |
|
Spectral class |
G0 (yellow) |
|
PmRA |
-62.00 |
|
PmDE |
-41.0 |
|
SAO |
130752 |
|
HIP |
17895 |
|
Tycho2 |
4717-00812-1 |
|
HD |
24031 |
|
BD |
BD-02 726 |
|
Tycho2 |
4717-00812-1 |
|
Pflag |
|
|
RAmdeg |
57.41103716 |
|
DEmdeg |
-2.32853437 |
|
PmRA |
-57.7 |
|
PmDE |
-27.8 |
|
E RAmdeg |
5 |
|
E DEmdeg |
5 |
|
E pmRA |
1.2 |
|
E pmDE |
1.2 |
|
EpRAm |
1991.02 |
|
EpDEm |
1990.96 |
|
Num |
12 |
|
Q RAmdeg |
1.2 |
|
Q DEmdeg |
1.4 |
|
Q pmRA |
1.3 |
|
Q pmDE |
1.3 |
|
BTmag |
7.925 |
|
E BTmag |
0.016 |
|
VTmag |
7.293 |
|
E VTmag |
0.011 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
17895 |
|
CCDM |
|
|
RAdeg |
57.41117167 |
|
DEdeg |
-2.32846889 |
|
EpRA 1990 |
1.58 |
|
EpDE 1990 |
1.50 |
|
E RAdeg |
4.6 |
|
E DEdeg |
5.1 |
|
Posflg |
|
|
Corr |
-0.2 |
|
SAO |
130752 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0038 |
|
DE1950 |
|
|
PmDE1950 |
-0.061 |
|
Vmag |
7.3 |
|
SpType |
G0 |
|
Double code |
|
|
Source |
27 |
|
CatNum |
945 |
|
DM |
BD-02 726 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
24031 |
|
M HD |
0 |
|
GC |
|
|
RA1950rad |
0.99101597 |
|
DE1950rad |
-0.04327904 |
|
PmRA2000 |
-0.0035 |
|
PmDE2000 |
-0.063 |
|
Catalog |
H |
|
HIP |
17895 |
|
Proxy |
|
|
RAhms |
03 49 38.68 |
|
DEdms |
-02 19 42.5 |
|
Vmag |
7.22 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
57.4112 |
|
DEdeg |
-2.32847 |
|
AstroRef |
|
|
Plx |
18.21 |
|
CCDM |
|
|
N CCDM |
|
|
Nsys |
|
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
S |
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
24031 |
|
BD |
BD-02 726 |
|
CD |
|
|
CP |
|
|
Dm number |
-02 726 |
|
VIred |
0.65 |
|
SpType |
G0 |
|
R SpType |
|
|
Coord arcsec 2000 |
034938.68-021942.5 |
|
HIP |
17895 |
|
Sn |
7 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
1.002014064 |
|
DErad |
-0.0406394141 |
|
Plx |
19.63 |
|
PmRA |
-59.61 |
|
PmDE |
-41.43 |
|
E RArad |
0.61 |
|
E DErad |
0.51 |
|
E Plx |
0.66 |
|
E pmRA |
0.69 |
|
E pmDE |
0.64 |
|
Hpmag |
7.3448 |
|
E Hpmag |
0.0016 |
|
SHp |
0.01 |
|
VA |
0 |
|
BV |
0.587 |
|
E BV |
0.011 |
|
VI |
0.66 |
|
03496-0220 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
034938.65-021942.4 |
|
Mag |
8.29 |
|
Calc delta mag |
0.56 |
|
Calc coord |
yes |
|