11239+1032 STF 1536 AB (Tsze tseang)
11h 23m 55.37s +10° 31' 46.9" P.A. 92.00 sep 2.3 mag 4.06,6.71 Sp F4IV dist. 23.67 pc (77.21 l.y.)
Coord 2000 |
11239+1032 |
|
Discov num |
STF1536 |
|
Comp |
AB |
|
Coord arcsec 2000 |
11 23 55.37 +10 31 46.9 |
|
Date first |
1827 |
|
Date last |
2021 |
|
Obs |
555 |
|
Pa first |
95 |
|
Pa last |
91.7 |
|
P.A. Now (θ) |
90.1° |
|
Sep first |
3.0 |
|
Sep last |
2.275 |
|
Sep. Now (ρ) |
2.284" |
|
Mag pri |
4.06 |
|
Mag sec |
6.71 |
|
delta mag (ΔM) |
2.65 |
|
Spectral class |
F4IV (yellow-white) |
|
Pri motion ra |
+153 |
|
Sec motion ra |
+153 |
|
Pri motion dec |
-065 |
|
Sec motion dec |
-065 |
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
11239+1032 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
Tsze tseang |
99587 |
11 23 55 +10 31 47 |
STF 1536 AB |
2021 |
555 |
92 |
2.3 |
4.06 |
6.71 |
2.65 |
Y |
<=== |
Show |
|
99587 |
11 23 55 +10 31 47 |
STF 1536 AB,C |
2015 |
7 |
346 |
332.1 |
4.06 |
11.06 |
7.00 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Common name |
Tsze tseang |
|
Var name |
NSV5184 Leo |
|
Constellation |
Leo |
|
SAO |
99587 |
|
HIP |
55642 |
|
Tycho2 |
0858-01221-1 |
|
Gaia DR2 |
3915612630249291008 |
|
HD |
99028 |
|
HR |
4399 |
|
GC |
15652 |
|
ADS |
8148 |
|
BD |
BD+11 2348 |
|
Bayer |
Iota Leonis |
|
Bayer name |
Iot Leo |
|
Flamsteed |
78 Leonis |
|
Flamsteed name |
78 Leo |
|
Distance |
23.67 |
|
Distance ly |
77.21 |
|
Bayer greek |
ι Leo |
|
ORBITAL ELEMENTS
Period (P) | 184.4572y | ± 1.3275 |
Periastron (T) | 1948.3626y | ± 0.2117 |
Semi-major axis (a) | 1.91525a | ± 0.0155 |
Eccentricity (e) | 0.53689 | ± 0.00459 |
Inclination (i) | 127.642° | ± 0.598 |
Longitude of periastron (ω) | 142.829° | ± 0.878 |
Node (Ω) | 54.376° | ± 0.846 |
Notes | n | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2014 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
111.7 |
1.700 |
2001 |
110.4 |
1.728 |
2002 |
109.2 |
1.756 |
2003 |
108.0 |
1.783 |
2004 |
106.9 |
1.811 |
2005 |
105.8 |
1.838 |
2006 |
104.7 |
1.865 |
2007 |
103.6 |
1.893 |
2008 |
102.6 |
1.919 |
2009 |
101.6 |
1.946 |
2010 |
100.7 |
1.972 |
2011 |
99.7 |
1.998 |
2012 |
98.8 |
2.024 |
2013 |
97.9 |
2.050 |
2014 |
97.1 |
2.075 |
2015 |
96.2 |
2.100 |
2016 |
95.4 |
2.124 |
2017 |
94.6 |
2.148 |
2018 |
93.8 |
2.172 |
2019 |
93.0 |
2.195 |
2020 |
92.3 |
2.218 |
2021 |
91.5 |
2.241 |
2022 |
90.8 |
2.263 |
2023 |
90.1 |
2.284 |
2024 |
89.4 |
2.306 |
2025 |
88.7 |
2.326 |
2026 |
88.0 |
2.347 |
2027 |
87.4 |
2.366 |
2028 |
86.7 |
2.386 |
2029 |
86.1 |
2.405 |
2030 |
85.4 |
2.423 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 11239+1032 STF 1536 AB (Tsze tseang) : NOTES
discov_num |
notes |
refcode |
STF1536 |
iot Leo = 78 Leo. Mt. Wilson spectral types F3s and F3s. A is a Delta |
|
|
Scuti-type variable. A small variation in the early RV's was not |
|
|
confirmed by fairly numerous subsequent observations. From the visual |
|
|
separations, Baize suggests a subsystem with P = 16 yr. |
Baz1980a |
|
See Baize & Petit (1989) catalog of doubles with variable component. |
Baz1989d |
|
AB: Malkov et al. (2012) derive dynamical, photometric, and |
|
|
spectroscopic masses 2.67 +/- 1.45, 2.33, and 1.38 Msun, respectively. |
Mlk2012 |
REFERENCES
refcode |
metd |
author |
reference |
Baz1980a |
orb - |
Baize, P. |
1980A&AS...39...83B |
Baz1980a |
|
A&AS 39, 83, 1980 |
|
Baz1989d |
- |
Baize, P. & Petit, M. |
1989A&AS...77..497B |
Baz1989d |
|
A&AS 77, 497, 1989 |
|
Izm2019 |
orb u |
Izmailov, I.S. |
2019AstL...45...30I |
Izm2019 |
|
Ast. Lett. 45, 30, 2019 |
|
Izm2019 |
|
(Orbital elements from weighted solutions used when available (Table 2), |
|
Izm2019 |
|
unweighted elements (Table 1) used for remaining 29 systems.) |
|
Mlk2012 |
not - |
Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. |
2012A&A...546A..69M |
Mlk2012 |
|
A&A 546, A69, 2012 |
|
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 |
11239+1032 |
STF1536 |
AB |
2007 |
508 |
105 |
1.9 |
4.06 |
6.71 |
F4IV |
NOD |
112355.37+103146.9 |
11239+1032 |
STF1536 |
AB |
2010 |
525 |
101 |
2.0 |
4.06 |
6.71 |
F4IV |
NOD |
112355.37+103146.9 |
11239+1032 |
STF1536 |
AB |
2011 |
532 |
101 |
2.0 |
4.06 |
6.71 |
F4IV |
NOD |
112355.37+103146.9 |
11239+1032 |
STF1536 |
AB |
2013 |
534 |
95 |
2.1 |
4.06 |
6.71 |
F4IV |
NOD |
112355.37+103146.9 |
11239+1032 |
STF1536 |
AB |
2014 |
538 |
100 |
1.9 |
4.06 |
6.71 |
F4IV |
NOD |
112355.37+103146.9 |
11239+1032 |
STF1536 |
AB |
2015 |
540 |
99 |
2.0 |
4.06 |
6.71 |
F4IV |
NO |
112355.37+103146.9 |
11239+1032 |
STF1536 |
AB |
2016 |
543 |
96 |
2.2 |
4.06 |
6.71 |
F4IV |
NO |
112355.37+103146.9 |
11239+1032 |
STF1536 |
AB |
2017 |
545 |
97 |
2.1 |
4.06 |
6.71 |
F4IV |
NO |
112355.37+103146.9 |
11239+1032 |
STF1536 |
AB |
2018 |
549 |
96 |
2.2 |
4.06 |
6.71 |
F4IV |
NO |
112355.37+103146.9 |
11239+1032 |
STF1536 |
AB |
2019 |
552 |
93 |
2.2 |
4.06 |
6.71 |
F4IV |
NO |
112355.37+103146.9 |
11239+1032 |
STF1536 |
AB |
2021 |
555 |
92 |
2.3 |
4.06 |
6.71 |
F4IV |
NO |
112355.37+103146.9 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 11239+1032 STF 1536 AB (Tsze tseang) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 11239+1032 STF 1536 AB (Tsze tseang) : MEASURES
No records found.
WDS 11239+1032 (Tsze tseang) : 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 11239+1032 (Tsze tseang) : ALADIN DSS IMAGE @ 11h 23m 55.37s +10° 31' 46.9"
WDS 11239+1032 STF 1536 AB (Tsze tseang) : 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 |
Tsze tseang |
11239+1032 |
STF1536 |
AB |
92 |
2.3 |
1 |
Show |
|
11239+1032 |
STF1536 |
AB,C |
346 |
332.1 |
1 |
Show |
|
11232+1011 |
RAO 261 |
|
249 |
0.8 |
24 |
Show |
|
11255+1004 |
SKF2329 |
|
194 |
7.3 |
37 |
Show |
|
11214+1011 |
LDS4087 |
|
56 |
218.7 |
43 |
Show |
|
11278+1020 |
CVR 612 |
|
262 |
10.1 |
59 |
Show |
|
11244+1140 |
GOM 13 |
|
134 |
234.2 |
69 |
Show |
|
11196+0956 |
STF1528 |
|
218 |
19.3 |
74 |
Show |
|
11261+0924 |
SLW 600 |
|
126 |
9.6 |
76 |
Show |
|
11189+1014 |
A 3083 |
|
250 |
1.7 |
76 |
Show |
|
11289+1011 |
CRC 18 |
|
205 |
14.3 |
77 |
Show |
|
11191+0945 |
OCC 83 |
|
-1 |
0.1 |
85 |
Show |
|
11190+1129 |
HJ 179 |
|
301 |
16.2 |
91 |
Show |
|
11169+1026 |
SLW 585 |
|
90 |
20.3 |
105 |
Show |
|
11172+0954 |
SKF1733 |
|
249 |
1.5 |
106 |
Show |
|
11260+1213 |
YSC 41 |
AB |
280 |
1.2 |
107 |
Show |
|
11260+1213 |
GII 174 |
Aa,Ab |
84 |
0.4 |
107 |
Show |
|
11296+1138 |
HJ 2572 |
|
171 |
38.9 |
107 |
Show |
|
11196+1158 |
LDS4082 |
|
91 |
41.3 |
108 |
Show |
|
11295+0921 |
GWP1592 |
|
64 |
49.4 |
109 |
Show |
|
11191+0858 |
UC 2115 |
|
58 |
44.2 |
118 |
Show |
|
11216+1231 |
FMR 219 |
|
111 |
3.6 |
125 |
Show |
|
11183+1210 |
GWP1572 |
|
145 |
26.2 |
128 |
Show |
|
11302+1200 |
CVR 616 |
|
145 |
16.7 |
129 |
Show |
|
11149+1013 |
HJ 5483 |
|
242 |
18.8 |
135 |
Show |
|
11163+0915 |
HDS1606 |
|
260 |
0.5 |
137 |
Show |
|
11280+0827 |
J 1014 |
|
14 |
4.5 |
138 |
Show |
|
11277+1239 |
LEP 42 |
|
350 |
16.9 |
139 |
Show |
|
11330+0938 |
J 428 |
CD |
260 |
4.0 |
145 |
Show |
|
11330+0938 |
A 2576 |
AB |
260 |
0.6 |
146 |
Show |
|
11330+0938 |
A 2576 |
AB,C |
237 |
32.0 |
146 |
Show |
|
11265+0806 |
A 2575 |
|
49 |
0.4 |
152 |
Show |
|
11326+1156 |
UC 2164 |
|
10 |
39.2 |
154 |
Show |
|
11342+1101 |
YSC 43 |
Aa,Ab |
173 |
0.0 |
154 |
Show |
|
11342+1101 |
HDS1642 |
AB |
246 |
1.2 |
154 |
Show |
|
11324+1212 |
BGH 35 |
|
106 |
395.5 |
161 |
Show |
|
11128+1031 |
HEI 500 |
|
81 |
1.6 |
165 |
Show |
|
11181+0810 |
UC 162 |
|
147 |
38.1 |
166 |
Show |
|
11137+1147 |
RAO 259 |
|
111 |
0.7 |
169 |
Show |
|
11158+0833 |
GWP1568 |
|
115 |
101.4 |
170 |
Show |
|
11286+0749 |
CVR 613 |
|
148 |
23.7 |
177 |
Show |
|
11329+0835 |
GWP1604 |
|
267 |
46.2 |
178 |
Show |
|
11352+1128 |
HJ 182 |
|
263 |
16.7 |
178 |
Show |
|
11183+0746 |
HEG 1 |
|
18 |
0.5 |
186 |
Show |
|
11115+1115 |
DVG 30 |
|
259 |
46.3 |
188 |
Show |
|
11285+0750 |
WLF 1 |
BC |
276 |
156.9 |
192 |
Show |
|
11285+0750 |
WLF 1 |
AB |
336 |
114.7 |
193 |
Show |
|
11285+0750 |
WLF 1 |
AC |
301 |
236.6 |
193 |
Show |
|
11111+1116 |
DVG 29 |
|
166 |
19.8 |
195 |
Show |
|
11172+0745 |
HDS1609 |
|
196 |
1.0 |
195 |
Show |
|
11297+0736 |
BU 9005 |
|
285 |
18.3 |
196 |
|
|
WDS 11239+1032 : COMPONENTS
|
A |
B |
B |
pa=91.7°
sep=2.24"
| |
C |
pa=346.1°
sep=331.77"
| pa=345.8°
sep=332.38"
|
11239+1032 A
Common name |
Tsze tseang |
|
Meaning |
General seconds |
|
Coord arcsec 2000 |
112355.37+103146.9 |
|
Mag |
4.06 |
|
Spectral class |
F4IV (yellow-white) |
|
PmRA |
153.00 |
|
PmDE |
-65.0 |
|
SAO |
99587 |
|
HIP |
55642 |
|
Tycho2 |
0858-01221-1 |
|
HD |
99028 |
|
HR |
4399 |
|
GC |
15652 |
|
BD |
BD+11 2348 |
|
Bayer |
Iota Leonis |
|
Bayer name |
Iot Leo |
|
Flamsteed |
78 Leonis |
|
Flamsteed name |
78 Leo |
|
Tycho2 |
0858-01221-1 |
|
Pflag |
P |
|
RAmdeg |
170.98108722 |
|
DEmdeg |
10.52953361 |
|
PmRA |
152.5 |
|
PmDE |
-65.2 |
|
E RAmdeg |
4 |
|
E DEmdeg |
4 |
|
E pmRA |
2.0 |
|
E pmDE |
1.9 |
|
EpRAm |
1991.58 |
|
EpDEm |
1991.34 |
|
Num |
4 |
|
Q RAmdeg |
1.0 |
|
Q DEmdeg |
1.0 |
|
Q pmRA |
0.9 |
|
Q pmDE |
1.1 |
|
BTmag |
4.484 |
|
E BTmag |
0.014 |
|
VTmag |
4.056 |
|
E VTmag |
0.009 |
|
Prox |
15 |
|
TYC |
T |
|
HIP |
55642 |
|
CCDM |
A |
|
RAdeg |
170.98071806 |
|
DEdeg |
10.52969667 |
|
EpRA 1990 |
1.64 |
|
EpDE 1990 |
1.40 |
|
E RAdeg |
3.6 |
|
E DEdeg |
3.8 |
|
Posflg |
D |
|
Corr |
0.2 |
|
SAO |
99587 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0113 |
|
DE1950 |
|
|
PmDE1950 |
-0.079 |
|
Vmag |
4 |
|
SpType |
F5 |
|
Double code |
|
|
Source |
71 |
|
CatNum |
430 |
|
DM |
BD+11 2348 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
99028 |
|
M HD |
0 |
|
GC |
15652 |
|
RA1950rad |
2.9728142 |
|
DE1950rad |
0.18858069 |
|
PmRA2000 |
0.0114 |
|
PmDE2000 |
-0.075 |
|
Catalog |
H |
|
HIP |
55642 |
|
Proxy |
H |
|
RAhms |
11 23 55.37 |
|
DEdms |
+10 31 46.9 |
|
Vmag |
4 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
170.981 |
|
DEdeg |
10.5297 |
|
AstroRef |
A |
|
Plx |
41.26 |
|
CCDM |
11239+1032 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
AB |
|
Theta |
124 |
|
Rho |
1.492 |
|
HD |
99028 |
|
BD |
BD+11 2348 |
|
CD |
|
|
CP |
|
|
Dm number |
+11 2348 |
|
VIred |
0.47 |
|
SpType |
F2IV SB |
|
R SpType |
|
|
Coord arcsec 2000 |
112355.37+103146.9 |
|
HIP |
55642 |
|
Sn |
15 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
2.9841762309 |
|
DErad |
0.1837778952 |
|
Plx |
42.24 |
|
PmRA |
141.45 |
|
PmDE |
-79.14 |
|
E RArad |
0.76 |
|
E DErad |
0.57 |
|
E Plx |
0.83 |
|
E pmRA |
0.94 |
|
E pmDE |
0.62 |
|
Hpmag |
4.0331 |
|
E Hpmag |
0.0006 |
|
SHp |
0.006 |
|
VA |
0 |
|
BV |
0.423 |
|
E BV |
0.015 |
|
VI |
0.47 |
|
Ccdm |
11239+1032 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
@ |
|
Discov num |
|
|
DRAs |
1.57 |
|
DDEs |
-14.3 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
4.1 |
|
Sp |
F5 |
|
PmNote |
* |
|
PmRA |
181 |
|
PmDE |
-70 |
|
Dm number |
+11 2348 |
|
Cat1 |
BD |
|
Name2 |
99587 |
|
Cat2 |
SAO |
|
HD |
99028 |
|
M HD |
|
|
ADS BDS |
A 8148 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
11187N1105A |
|
HIC |
55642 |
|
11239+1032 B
Coord arcsec 2000 |
112355.52+103146.8 |
|
Mag |
6.71 |
|
PmRA |
153.00 |
|
PmDE |
-65.0 |
|
Tycho2 |
0858-01221-2 |
|
Calc delta mag |
2.65 |
|
Calc coord |
yes |
|
Tycho2 |
0858-01221-2 |
|
Pflag |
P |
|
RAmdeg |
170.98108722 |
|
DEmdeg |
10.52953361 |
|
PmRA |
152.5 |
|
PmDE |
-65.2 |
|
E RAmdeg |
4 |
|
E DEmdeg |
4 |
|
E pmRA |
2.0 |
|
E pmDE |
1.9 |
|
EpRAm |
1991.58 |
|
EpDEm |
1991.34 |
|
Num |
4 |
|
Q RAmdeg |
1.0 |
|
Q DEmdeg |
1.0 |
|
Q pmRA |
0.9 |
|
Q pmDE |
1.1 |
|
BTmag |
7.624 |
|
E BTmag |
0.017 |
|
VTmag |
6.708 |
|
E VTmag |
0.011 |
|
Prox |
15 |
|
TYC |
|
|
HIP |
55642 |
|
CCDM |
B |
|
RAdeg |
170.98104083 |
|
DEdeg |
10.52944028 |
|
EpRA 1990 |
1.58 |
|
EpDE 1990 |
1.44 |
|
E RAdeg |
5.6 |
|
E DEdeg |
6.2 |
|
Posflg |
D |
|
Corr |
0.1 |
|
Ccdm |
11239+1032 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
* |
|
Note2 |
|
|
Discov num |
STF1536 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1832 |
|
Theta |
|
|
Rho |
|
|
Obs |
99 |
|
Vmag |
7.3 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A 8148 |
|
M ADS BDS |
N |
|
N IDS |
|
|
IDS |
11187N1105B |
|
HIC |
55642 |
|
11239+1032 C
Coord arcsec 2000 |
112349.98+103709.0 |
|
Mag |
11.06 |
|
PmRA |
159.00 |
|
PmDE |
-66.0 |
|
Tycho2 |
0858-00720-1 |
|
Calc delta mag |
7 |
|
Calc coord |
yes |
|
Tycho2 |
0858-00720-1 |
|
Pflag |
|
|
RAmdeg |
170.95807006 |
|
DEmdeg |
10.61885850 |
|
PmRA |
158.5 |
|
PmDE |
-65.2 |
|
E RAmdeg |
73 |
|
E DEmdeg |
84 |
|
E pmRA |
2.1 |
|
E pmDE |
2.2 |
|
EpRAm |
1971.67 |
|
EpDEm |
1963.02 |
|
Num |
4 |
|
Q RAmdeg |
0.1 |
|
Q DEmdeg |
1.6 |
|
Q pmRA |
0.1 |
|
Q pmDE |
1.6 |
|
BTmag |
12.669 |
|
E BTmag |
0.363 |
|
VTmag |
11.056 |
|
E VTmag |
0.116 |
|
Prox |
999 |
|
TYC |
|
|
HIP |
|
|
CCDM |
|
|
RAdeg |
170.95769639 |
|
DEdeg |
10.61901333 |
|
EpRA 1990 |
1.66 |
|
EpDE 1990 |
1.39 |
|
E RAdeg |
84.1 |
|
E DEdeg |
103.9 |
|
Posflg |
|
|
Corr |
0.0 |
|