09285+0903 STF 1356 (Ome Leo)
09h 28m 27.41s +09° 03' 24.4" P.A. 116.00 sep 0.9 mag 5.69,7.28 Sp F9IV dist. 33.17 pc (108.2 l.y.)
Coord 2000 |
09285+0903 |
|
Discov num |
STF1356 |
|
Comp |
|
|
Coord arcsec 2000 |
09 28 27.41 +09 03 24.4 |
|
Date first |
1825 |
|
Date last |
2021 |
|
Obs |
691 |
|
Pa first |
154 |
|
Pa last |
116.3 |
|
P.A. Now (θ) |
117.5° |
|
Sep first |
1.0 |
|
Sep last |
0.92 |
|
Sep. Now (ρ) |
0.926" |
|
Mag pri |
5.69 |
|
Mag sec |
7.28 |
|
delta mag (ΔM) |
1.59 |
|
Spectral class |
F9IV (yellow-white) |
|
Pri motion ra |
+050 |
|
Sec motion ra |
+050 |
|
Pri motion dec |
-005 |
|
Sec motion dec |
-005 |
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
Ome Leo |
|
Constellation |
Leo |
|
SAO |
117717 |
|
HIP |
46454 |
|
Tycho2 |
0820-01635-1 |
|
HD |
81858 |
|
HR |
3754 |
|
GC |
13062 |
|
ADS |
7390 |
|
BD |
BD+09 2188 |
|
Bayer |
Omega Leonis |
|
Bayer name |
Ome Leo |
|
Flamsteed |
2 Leonis |
|
Flamsteed name |
2 Leo |
|
Distance |
33.17 |
|
Distance ly |
108.2 |
|
Bayer greek |
ω Leo |
|
ORBITAL ELEMENTS
Period (P) | 43089d (117.97y) | ± 26 |
Periastron (T) | 36649m (1959.219y) | ± 11 |
Semi-major axis (a) | 0.8599a | ± 0.0022 |
Eccentricity (e) | 0.5619 | ± 0.0014 |
Inclination (i) | 65.347° | ± 0.093 |
Longitude of periastron (ω) | 302.54° | ± 0.14 |
Node (Ω) | 325.982° | ± 0.074 |
Notes | n | |
Reference | Mut2010b | |
Equinox | 2000 | |
Last observation | 2008 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
84.5 |
0.578 |
2001 |
86.8 |
0.593 |
2002 |
88.9 |
0.609 |
2003 |
91.0 |
0.624 |
2004 |
92.9 |
0.640 |
2005 |
94.8 |
0.656 |
2006 |
96.5 |
0.673 |
2007 |
98.2 |
0.689 |
2008 |
99.8 |
0.705 |
2009 |
101.3 |
0.721 |
2010 |
102.8 |
0.738 |
2011 |
104.2 |
0.754 |
2012 |
105.5 |
0.770 |
2013 |
106.8 |
0.785 |
2014 |
108.1 |
0.801 |
2015 |
109.3 |
0.816 |
2016 |
110.4 |
0.831 |
2017 |
111.5 |
0.846 |
2018 |
112.6 |
0.860 |
2019 |
113.6 |
0.874 |
2020 |
114.6 |
0.888 |
2021 |
115.6 |
0.901 |
2022 |
116.5 |
0.914 |
2023 |
117.5 |
0.926 |
2024 |
118.4 |
0.938 |
2025 |
119.2 |
0.950 |
2026 |
120.1 |
0.961 |
2027 |
120.9 |
0.971 |
2028 |
121.7 |
0.981 |
2029 |
122.5 |
0.990 |
2030 |
123.3 |
0.999 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 09285+0903 STF 1356 (Ome Leo) : NOTES
discov_num |
notes |
refcode |
STF1356 |
ome Leo = 2 Leo. |
Mlr1956a |
|
Chevalier identified this star as ome Leo, but gave incorrect |
Che1911 |
|
coordinates, leading to its initial designation as 09283+0903 CHE 137. |
Hrt2012b |
|
Giant primary according to isochrone fit. |
|
|
1980.019: This observation of omega Leo by Weigelt (1983) was |
Wgt1983 |
|
incorrectly attributed to 09412+0954 = omi Leo in earlier editions |
|
|
of both the interferometric catalog and the WDS. As a result, omi Leo |
|
|
was incorrectly assigned the discoverer designation WGT 1. |
|
|
H 1 26. |
MEv2010 |
|
Combined spectroscopic/astrometric solution of SB1. Calculated masses |
|
|
1.92 +/- 0.96 and 0.28 +/- 0.92 Msun; values are poorly constrained. |
Mut2010b |
|
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic |
|
|
masses of 1.67 +/- 0.24, 2.14, and 1.27 Msun, respectively. |
Mlk2012 |
REFERENCES
refcode |
metd |
author |
reference |
Che1911 |
Ma - |
Chevalier, Stanislas |
. |
Che1911 |
+Pa |
Shanghai Obs. Zo-Se 7, B1, 1911 (corrections are described in Hrt2012b) |
|
Hrt2012b |
E2 - |
Hartkopf, W.I. |
................... |
Hrt2012b |
|
Webb Soc., Double Star Circ. 20, 2012 |
|
MEv2010 |
- |
MacEvoy, B. |
................... |
MEv2010 |
|
private communication, 2010 (see http://www.handprint.com/ASTRO/index.html) |
|
Mlk2012 |
not - |
Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. |
2012A&A...546A..69M |
Mlk2012 |
|
A&A 546, A69, 2012 |
|
Mlr1956a |
Mc - |
Muller, P. |
1956JO.....39..127M |
Mlr1956a |
|
J. Obs. 39, 127, 1956 |
|
Mut2010b |
Kp - |
Muterspaugh, M.W., Hartkopf, W.I., Lane. B.F., O'Connell, J., Williamson, M., |
2010AJ....140.1623M |
Mut2010b |
|
Kulkarni, S.R., Konacki, M., Burke, B.F., Colavita, M.M., Shao, M., & |
|
Mut2010b |
|
Wiktorowicz, S.J. |
|
Mut2010b |
|
AJ 140, 1623, 2010 |
|
Wgt1983 |
S j |
Weigelt, G.P. & Wirnitzer, B. |
1983OptL....8..389W |
Wgt1983 |
|
Optics Lett 8, 389, 1983 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
STF |
Struve, F.G.W. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
09285+0903 |
STF1356 |
|
2006 |
623 |
96 |
0.7 |
5.69 |
7.28 |
F9IV |
NOD |
092827.41+090324.4 |
09285+0903 |
STF1356 |
|
2009 |
627 |
101 |
0.7 |
5.69 |
7.28 |
F9IV |
NOD |
092827.41+090324.4 |
09285+0903 |
STF1356 |
|
2010 |
655 |
108 |
0.8 |
5.69 |
7.28 |
F9IV |
NOD |
092827.41+090324.4 |
09285+0903 |
STF1356 |
|
2011 |
658 |
106 |
0.8 |
5.69 |
7.28 |
F9IV |
NOD |
092827.41+090324.4 |
09285+0903 |
STF1356 |
|
2013 |
660 |
107 |
0.8 |
5.69 |
7.28 |
F9IV |
NOD |
092827.41+090324.4 |
09285+0903 |
STF1356 |
|
2014 |
650 |
108 |
0.8 |
5.69 |
7.28 |
F9IV |
NOD |
092827.41+090324.4 |
09285+0903 |
STF1356 |
|
2015 |
654 |
110 |
0.8 |
5.69 |
7.28 |
F9IV |
NOD |
092827.41+090324.4 |
09285+0903 |
STF1356 |
|
2016 |
655 |
109 |
0.8 |
5.69 |
7.28 |
F9IV |
NO |
092827.41+090324.4 |
09285+0903 |
STF1356 |
|
2017 |
665 |
112 |
0.9 |
5.69 |
7.28 |
F9IV |
NO |
092827.41+090324.4 |
09285+0903 |
STF1356 |
|
2018 |
668 |
117 |
1.0 |
5.69 |
7.28 |
F9IV |
NO |
092827.41+090324.4 |
09285+0903 |
STF1356 |
|
2019 |
686 |
115 |
0.9 |
5.69 |
7.28 |
F9IV |
NO |
092827.41+090324.4 |
09285+0903 |
STF1356 |
|
2020 |
687 |
114 |
1.0 |
5.69 |
7.28 |
F9IV |
NO |
092827.41+090324.4 |
09285+0903 |
STF1356 |
|
2021 |
690 |
116 |
0.9 |
5.69 |
7.28 |
F9IV |
NO |
092827.41+090324.4 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 09285+0903 STF 1356 (Ome Leo) : VISUAL OBSERVATIONS REPORTS
WDS 09285+0903 STF 1356 (Ome Leo) : MEASURES
No records found.
WDS 09285+0903 (Ome Leo) : 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 09285+0903 (Ome Leo) : ALADIN DSS IMAGE @ 09h 28m 27.41s +09° 03' 24.4"
WDS 09285+0903 STF 1356 (Ome Leo) : 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 |
|
09285+0903 |
STF1356 |
|
116 |
0.9 |
|
Show |
|
09276+0901 |
SLW 357 |
|
51 |
20.4 |
14 |
Show |
|
09276+0858 |
HEI 489 |
|
183 |
0.6 |
14 |
Show |
|
09290+0938 |
CHE 138 |
AB |
6 |
28.3 |
36 |
Show |
|
09290+0938 |
LAD 1 |
AC |
204 |
9.1 |
36 |
Show |
|
09261+0842 |
CHE 135 |
|
116 |
2.7 |
41 |
Show |
|
09312+0908 |
CHE 139 |
|
56 |
12.2 |
43 |
Show |
|
09313+0913 |
SKF1720 |
|
306 |
1.5 |
44 |
Show |
|
09312+0845 |
CHE 140 |
|
203 |
25.1 |
46 |
Show |
|
09279+0818 |
A 2978 |
|
102 |
1.3 |
47 |
Show |
|
09260+0937 |
LDS3890 |
|
46 |
15.8 |
50 |
Show |
|
09319+0911 |
OCC 891 |
|
-1 |
0.1 |
52 |
Show |
|
09285+0811 |
H 4 47 |
|
80 |
25.2 |
53 |
Show |
|
09262+0823 |
CHE 136 |
|
143 |
20.8 |
53 |
Show |
|
09322+0854 |
OCC9149 |
|
-1 |
0.4 |
56 |
Show |
|
09325+0906 |
XMI 93 |
|
196 |
21.8 |
60 |
Show |
|
09325+0840 |
SLW 364 |
|
213 |
132.3 |
64 |
Show |
|
09320+0943 |
SHJ 107 |
|
77 |
37.1 |
66 |
Show |
|
09333+0910 |
A 2756 |
AB |
359 |
1.4 |
72 |
Show |
|
09332+0927 |
SKF1721 |
|
36 |
1.3 |
74 |
Show |
|
09233+0921 |
HEI 487 |
|
104 |
2.3 |
79 |
Show |
|
09338+0910 |
GWP1194 |
|
17 |
102.7 |
79 |
Show |
|
09291+1024 |
CVR1225 |
|
78 |
3.1 |
82 |
Show |
|
09295+1029 |
GWP1185 |
|
300 |
41.6 |
87 |
Show |
|
09306+1036 |
STF1360 |
AB |
242 |
13.8 |
98 |
Show |
|
09306+1036 |
STF1360 |
AC |
76 |
104.8 |
98 |
Show |
|
09306+1036 |
STF1360 |
AD |
61 |
176.4 |
98 |
Show |
|
09225+0843 |
HJ 5477 |
|
327 |
30.5 |
99 |
Show |
|
09232+1008 |
J 386 |
|
53 |
0.5 |
101 |
Show |
|
09290+1047 |
TDS6592 |
|
239 |
1.2 |
105 |
Show |
|
09347+0811 |
OCC 385 |
|
-1 |
0.5 |
107 |
Show |
|
09337+1021 |
CVR1228 |
|
72 |
4.3 |
110 |
Show |
|
09242+1033 |
OCC 549 |
|
-1 |
0.1 |
110 |
Show |
|
09344+1009 |
HJ 816 |
|
16 |
12.7 |
111 |
Show |
|
09275+1054 |
J 388 |
|
351 |
4.9 |
112 |
Show |
|
09323+1046 |
ARY 50 |
|
253 |
120.2 |
119 |
Show |
|
09358+0952 |
OCC 568 |
|
-1 |
0.4 |
120 |
Show |
|
09344+1025 |
SLW 368 |
|
339 |
11.3 |
121 |
Show |
|
09209+0816 |
DAM1601 |
|
317 |
13.8 |
122 |
Show |
|
09204+0834 |
GTZ 7 |
|
238 |
15.4 |
124 |
Show |
|
09261+0704 |
GWP1173 |
|
252 |
541.5 |
125 |
Show |
|
09369+0927 |
DAL 17 |
|
279 |
29.0 |
127 |
Show |
|
09207+0810 |
A 2976 |
AB |
237 |
28.6 |
127 |
Show |
|
09207+0810 |
A 2976 |
BC |
137 |
1.0 |
128 |
Show |
|
09198+0844 |
GWP1161 |
|
332 |
10.1 |
130 |
Show |
|
09245+1100 |
HJ 811 |
|
37 |
16.6 |
131 |
Show |
|
09226+0725 |
A 2977 |
|
267 |
1.6 |
132 |
Show |
|
09357+1023 |
GWP1200 |
|
40 |
21.8 |
134 |
Show |
|
09205+0752 |
BRT2148 |
|
37 |
3.3 |
138 |
Show |
|
09195+0947 |
OCC 933 |
|
-1 |
0.1 |
140 |
Show |
|
09345+0716 |
GWP1197 |
|
104 |
30.7 |
140 |
|
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WDS 09285+0903 : COMPONENTS
09285+0903 A
Componente originario normalizzato |
AB |
|
Name |
Ome Leo |
|
Coord arcsec 2000 |
092827.41+090324.4 |
|
Mag |
5.69 |
|
Spectral class |
F9IV (yellow-white) |
|
PmRA |
50.00 |
|
PmDE |
-5.0 |
|
SAO |
117717 |
|
HIP |
46454 |
|
Tycho2 |
0820-01635-1 |
|
HD |
81858 |
|
HR |
3754 |
|
GC |
13062 |
|
BD |
BD+09 2188 |
|
Bayer |
Omega Leonis |
|
Bayer name |
Ome |
|
Flamsteed |
2 Leonis |
|
Flamsteed name |
2 Leo |
|
Tycho2 |
0820-01635-1 |
|
Pflag |
|
|
RAmdeg |
142.11422732 |
|
DEmdeg |
9.05678227 |
|
PmRA |
50.4 |
|
PmDE |
-5.0 |
|
E RAmdeg |
4 |
|
E DEmdeg |
4 |
|
E pmRA |
0.9 |
|
E pmDE |
0.9 |
|
EpRAm |
1991.45 |
|
EpDEm |
1991.25 |
|
Num |
18 |
|
Q RAmdeg |
1.5 |
|
Q DEmdeg |
1.0 |
|
Q pmRA |
1.4 |
|
Q pmDE |
1.0 |
|
BTmag |
6.171 |
|
E BTmag |
0.015 |
|
VTmag |
5.507 |
|
E VTmag |
0.010 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
46454 |
|
CCDM |
AB |
|
RAdeg |
142.11411139 |
|
DEdeg |
9.05679417 |
|
EpRA 1990 |
1.80 |
|
EpDE 1990 |
1.58 |
|
E RAdeg |
3.6 |
|
E DEdeg |
4.3 |
|
Posflg |
P |
|
Corr |
0.0 |
|
SAO |
117717 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0036 |
|
DE1950 |
|
|
PmDE1950 |
-0.007 |
|
Vmag |
5.5 |
|
SpType |
G0 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
13062 |
|
DM |
BD+09 2188 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
81858 |
|
M HD |
0 |
|
GC |
13062 |
|
RA1950rad |
2.46868516 |
|
DE1950rad |
0.16188903 |
|
PmRA2000 |
0.0037 |
|
PmDE2000 |
-0.004 |
|
Catalog |
H |
|
HIP |
46454 |
|
Proxy |
H |
|
RAhms |
09 28 27.38 |
|
DEdms |
+09 03 24.4 |
|
Vmag |
5.4 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
142.114 |
|
DEdeg |
9.05677 |
|
AstroRef |
A |
|
Plx |
29.05 |
|
CCDM |
09285+0903 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
AB |
|
Theta |
59 |
|
Rho |
0.471 |
|
HD |
81858 |
|
BD |
BD+09 2188 |
|
CD |
|
|
CP |
|
|
Dm number |
+09 2188 |
|
VIred |
0.67 |
|
SpType |
F9V |
|
R SpType |
|
|
Coord arcsec 2000 |
092827.38+090324.4 |
|
HIP |
46454 |
|
Sn |
15 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
2.4803584325 |
|
DErad |
0.1580704704 |
|
Plx |
30.15 |
|
PmRA |
36.98 |
|
PmDE |
5.78 |
|
E RArad |
1.47 |
|
E DErad |
0.71 |
|
E Plx |
1.45 |
|
E pmRA |
2.3 |
|
E pmDE |
0.7 |
|
Hpmag |
5.5324 |
|
E Hpmag |
0.0009 |
|
SHp |
0.004 |
|
VA |
0 |
|
BV |
0.605 |
|
E BV |
0.005 |
|
VI |
0.67 |
|
Ccdm |
09285+0903 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
-2.57 |
|
DDEs |
23.8 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
5.9 |
|
Sp |
G0 |
|
PmNote |
* |
|
PmRA |
59 |
|
PmDE |
-21 |
|
Dm number |
+09 2188 |
|
Cat1 |
BD |
|
Name2 |
+09 1210 |
|
Cat2 |
AGK2/3 |
|
HD |
81858 |
|
M HD |
|
|
ADS BDS |
A 7390 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
09231N0930A |
|
HIC |
46454 |
|
09285+0903 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
092827.46+090324.0 |
|
Mag |
7.28 |
|
PmRA |
50.00 |
|
PmDE |
-5.0 |
|
Calc delta mag |
1.59 |
|
Calc coord |
yes |
|
Ccdm |
09285+0903 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
* |
|
Note2 |
|
|
Discov num |
STF1356 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1825 |
|
Theta |
|
|
Rho |
|
|
Obs |
99 |
|
Vmag |
6.7 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A 7390 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
09231N0930B |
|
HIC |
46454 |
|