09228-0950 A 1342 AB
09h 22m 50.87s -09° 50' 19.5" P.A. 49.00 sep 0.1 mag 6.99,7.84 Sp A3V dist. 144.51 pc (471.39 l.y.)
Coord 2000 |
09228-0950 |
|
Discov num |
A 1342 |
|
Comp |
AB |
|
Coord arcsec 2000 |
09 22 50.87 -09 50 19.5 |
|
Date first |
1905 |
|
Date last |
2020 |
|
Obs |
79 |
|
Pa first |
198 |
|
Pa last |
48.6 |
|
P.A. Now (θ) |
59.7° |
|
Sep first |
0.1 |
|
Sep last |
0.12 |
|
Sep. Now (ρ) |
0.1" |
|
Mag pri |
6.99 |
|
Mag sec |
7.84 |
|
delta mag (ΔM) |
0.85 |
|
Spectral class |
A3V (white) |
|
Pri motion ra |
-023 |
|
Sec motion ra |
|
|
Pri motion dec |
-016 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
09228-0950 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
136799 |
09 22 51 -09 50 20 |
A 1342 AB |
2020 |
79 |
49 |
0.1 |
6.99 |
7.84 |
0.85 |
Y |
<=== |
Show |
KU Hya |
136799 |
09 22 51 -09 50 20 |
RST 5568 AB,C |
2013 |
16 |
209 |
1.9 |
6.53 |
11.60 |
5.07 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
KU Hya |
|
Constellation |
Hydra |
|
SAO |
136799 |
|
HIP |
45999 |
|
Tycho2 |
5463-01516-1 |
|
Gaia DR2 |
5739817903810452352 |
|
HD |
81009 |
|
HR |
3724 |
|
GC |
12936 |
|
ADS |
7334 |
|
BD |
BD-09 2816 |
|
Distance |
144.51 |
|
Distance ly |
471.39 |
|
ORBITAL ELEMENTS
Period (P) | 56.61y | ± 0.22 |
Periastron (T) | 2013.51y | ± 0.1 |
Semi-major axis (a) | 0.166a | ± 0.001 |
Eccentricity (e) | 0 | |
Inclination (i) | 66.7° | ± 0.5 |
Longitude of periastron (ω) | 0° | |
Node (Ω) | 24.9° | ± 0.3 |
Notes | n | |
Reference | Tok2021c | |
Equinox | 2000 | |
Last observation | 2021 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
305.1 |
0.067 |
2001 |
319.9 |
0.071 |
2002 |
332.3 |
0.079 |
2003 |
342.1 |
0.089 |
2004 |
350.0 |
0.100 |
2005 |
356.2 |
0.111 |
2006 |
1.4 |
0.122 |
2007 |
5.7 |
0.132 |
2008 |
9.4 |
0.141 |
2009 |
12.7 |
0.149 |
2010 |
15.7 |
0.156 |
2011 |
18.4 |
0.161 |
2012 |
21.1 |
0.164 |
2013 |
23.6 |
0.166 |
2014 |
26.1 |
0.166 |
2015 |
28.7 |
0.164 |
2016 |
31.3 |
0.161 |
2017 |
34.1 |
0.156 |
2018 |
37.0 |
0.149 |
2019 |
40.3 |
0.141 |
2020 |
44.0 |
0.132 |
2021 |
48.3 |
0.122 |
2022 |
53.5 |
0.111 |
2023 |
59.7 |
0.100 |
2024 |
67.5 |
0.089 |
2025 |
77.3 |
0.079 |
2026 |
89.6 |
0.071 |
2027 |
104.4 |
0.067 |
2028 |
120.3 |
0.066 |
2029 |
135.6 |
0.069 |
2030 |
148.8 |
0.076 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 09228-0950 A 1342 AB : NOTES
discov_num |
notes |
refcode |
A 1342 |
A magnetic and variable star, KU Hya, , 3.41d, 0.05V, is in the system. |
Mlr1956a |
|
See Baize & Petit (1989) catalog of doubles with variable component. |
Baz1989d |
|
Combined analysis using speckle, radial velocity, various magnetic |
|
|
field and polarization measurements. |
Wad2000 |
|
AB: Malkov et al. (2012) derive dynamical, photometric, and |
|
|
spectroscopic masses 5.13 +/- 1.94, 4.25, and 2.00 Msun, respectively. |
Mlk2012 |
REFERENCES
refcode |
metd |
author |
reference |
Baz1989d |
- |
Baize, P. & Petit, M. |
1989A&AS...77..497B |
Baz1989d |
|
A&AS 77, 497, 1989 |
|
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 |
|
Tok2021c |
orb - |
Tokovinin, A. |
2021IAUDS.203....1S |
Tok2021c |
|
Inf. Circ. 203, 1, 2021 |
|
Wad2000 |
- |
Wade, G.A. et al. |
2000A&A...361..991W |
Wad2000 |
|
A&A 361, 991, 2000 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
A |
Aitken, R.G. |
312 |
RST |
Rossiter, R.A. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
09228-0950 |
A 1342 |
AB |
2006 |
72 |
182 |
0.1 |
6.99 |
7.84 |
A3V |
NO |
092250.87-095019.5 |
09228-0950 |
A 1342 |
AB |
2009 |
73 |
193 |
0.2 |
6.99 |
7.84 |
A3V |
NO |
092250.87-095019.5 |
09228-0950 |
A 1342 |
AB |
2010 |
74 |
198 |
0.2 |
6.99 |
7.84 |
A3V |
NO |
092250.87-095019.5 |
09228-0950 |
A 1342 |
AB |
2013 |
73 |
204 |
0.2 |
6.99 |
7.84 |
A3V |
NO |
092250.87-095019.5 |
09228-0950 |
A 1342 |
AB |
2014 |
76 |
207 |
0.2 |
6.99 |
7.84 |
A3V |
NO |
092250.87-095019.5 |
09228-0950 |
A 1342 |
AB |
2016 |
77 |
34 |
0.2 |
6.99 |
7.84 |
A3V |
NO |
092250.87-095019.5 |
09228-0950 |
A 1342 |
AB |
2018 |
78 |
38 |
0.1 |
6.99 |
7.84 |
A3V |
NO |
092250.87-095019.5 |
09228-0950 |
A 1342 |
AB |
2020 |
79 |
49 |
0.1 |
6.99 |
7.84 |
A3V |
NO |
092250.87-095019.5 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 09228-0950 A 1342 AB : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 09228-0950 A 1342 AB : MEASURES
No records found.
WDS 09228-0950 : 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 09228-0950 : ALADIN DSS IMAGE @ 09h 22m 50.87s -09° 50' 19.5"
WDS 09228-0950 A 1342 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 |
|
09228-0950 |
A 1342 |
AB |
49 |
0.1 |
1 |
Show |
|
09228-0950 |
RST5568 |
AB,C |
209 |
1.9 |
1 |
Show |
|
09244-0925 |
SKF 786 |
|
206 |
124.7 |
35 |
Show |
|
09205-0933 |
SHJ 105 |
AB |
211 |
229.1 |
39 |
Show |
|
09205-0933 |
GUI 13 |
AD |
227 |
122.3 |
39 |
Show |
|
09205-0933 |
DOO 49 |
BC |
199 |
9.2 |
40 |
Show |
|
09249-1034 |
J 1547 |
|
14 |
9.0 |
52 |
Show |
|
09257-0919 |
HJ 814 |
|
346 |
11.0 |
53 |
Show |
|
09193-0933 |
A 126 |
|
122 |
1.2 |
55 |
Show |
|
09252-0907 |
A 1587 |
|
99 |
1.0 |
57 |
Show |
|
09268-0947 |
GWP1176 |
|
219 |
35.3 |
59 |
Show |
|
09188-1025 |
A 125 |
AB |
30 |
3.0 |
70 |
Show |
|
09188-1025 |
A 125 |
AC |
80 |
51.7 |
70 |
Show |
|
09272-0913 |
A 1588 |
AB |
196 |
0.4 |
75 |
Show |
|
09272-0913 |
BU 590 |
AB,C |
171 |
10.9 |
75 |
Show |
|
09240-1105 |
HU 55 |
|
123 |
0.7 |
77 |
Show |
|
09283-0959 |
STF1357 |
AB |
54 |
7.7 |
82 |
Show |
|
09283-0959 |
FYM 167 |
AC |
275 |
18.3 |
82 |
Show |
|
09225-0828 |
A 1083 |
|
58 |
4.4 |
83 |
Show |
|
09196-0842 |
TDS6470 |
|
106 |
0.4 |
85 |
Show |
|
09276-1036 |
GWP1181 |
|
60 |
93.4 |
85 |
Show |
|
09188-0846 |
LDS3872 |
|
72 |
28.2 |
87 |
Show |
|
09171-1005 |
J 1542 |
|
92 |
8.5 |
87 |
Show |
|
09167-0941 |
HDO 122 |
|
93 |
8.9 |
92 |
Show |
|
09279-0858 |
RST3638 |
|
46 |
1.1 |
92 |
Show |
|
09165-0959 |
RST3630 |
|
232 |
0.6 |
95 |
Show |
|
09289-0916 |
BEU 13 |
|
98 |
0.5 |
96 |
Show |
|
09203-0822 |
AG 339 |
|
28 |
6.1 |
96 |
Show |
|
09208-1121 |
BRT3210 |
|
115 |
2.9 |
97 |
Show |
|
09204-0821 |
J 1545 |
|
19 |
11.2 |
97 |
Show |
|
09211-1124 |
DAM 720 |
|
224 |
13.9 |
98 |
Show |
|
09294-1013 |
TDS6596 |
|
122 |
0.6 |
100 |
Show |
Alphard |
09276-0840 |
H 6 111 |
AB |
155 |
284.4 |
100 |
Show |
Alphard |
09276-0840 |
H 6 111 |
AC |
85 |
257.0 |
100 |
Show |
|
09203-0817 |
GCB 24 |
|
298 |
7.1 |
101 |
Show |
|
09160-1014 |
KPP 576 |
|
200 |
5.4 |
104 |
Show |
|
09224-0759 |
TDS6512 |
|
58 |
0.5 |
112 |
Show |
|
09156-1036 |
MTG 2 |
|
45 |
0.1 |
117 |
Show |
|
09229-0753 |
BRT 428 |
|
191 |
4.3 |
117 |
Show |
|
09233-0752 |
UC 1785 |
|
39 |
52.8 |
119 |
Show |
|
09171-0827 |
J 745 |
|
214 |
3.3 |
120 |
Show |
|
09287-0827 |
SKF 429 |
|
259 |
17.5 |
121 |
Show |
|
09215-1151 |
RST3635 |
|
223 |
4.3 |
122 |
Show |
|
09159-0831 |
J 3249 |
|
152 |
3.7 |
129 |
Show |
|
09207-0742 |
BGH 4 |
CA |
326 |
135.0 |
131 |
Show |
|
09207-0742 |
TOK 527 |
CD |
342 |
999.9 |
131 |
Show |
|
09207-0742 |
A 1082 |
AB |
200 |
0.6 |
133 |
Show |
|
09283-0805 |
BU 213 |
|
171 |
1.9 |
133 |
Show |
|
09161-0821 |
BU 212 |
|
198 |
1.6 |
135 |
Show |
|
09149-0845 |
WEI 21 |
|
15 |
26.5 |
135 |
Show |
|
09230-0735 |
UC 1784 |
|
267 |
23.7 |
136 |
|
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WDS 09228-0950 : COMPONENTS
|
A |
B |
B |
pa=48.2°
sep=0.12"
| |
C |
pa=208.2°
sep=1.89"
| pa=209.4°
sep=2.01"
|
09228-0950 A
Coord arcsec 2000 |
092250.87-095019.5 |
|
Mag |
6.99 |
|
Spectral class |
A3V (white) |
|
PmRA |
-23.00 |
|
PmDE |
-16.0 |
|
SAO |
136799 |
|
HIP |
45999 |
|
Tycho2 |
5463-01516-1 |
|
HD |
81009 |
|
HR |
3724 |
|
GC |
12936 |
|
ADS |
7334 |
|
BD |
BD-09 2816 |
|
Tycho2 |
5463-01516-1 |
|
Pflag |
|
|
RAmdeg |
140.71189840 |
|
DEmdeg |
-9.83880187 |
|
PmRA |
-28.8 |
|
PmDE |
-16.0 |
|
E RAmdeg |
4 |
|
E DEmdeg |
4 |
|
E pmRA |
1.1 |
|
E pmDE |
1.2 |
|
EpRAm |
1991.39 |
|
EpDEm |
1991.39 |
|
Num |
14 |
|
Q RAmdeg |
1.2 |
|
Q DEmdeg |
1.2 |
|
Q pmRA |
1.3 |
|
Q pmDE |
1.3 |
|
BTmag |
6.796 |
|
E BTmag |
0.015 |
|
VTmag |
6.541 |
|
E VTmag |
0.010 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
45999 |
|
CCDM |
AS |
|
RAdeg |
140.71196528 |
|
DEdeg |
-9.83876472 |
|
EpRA 1990 |
1.75 |
|
EpDE 1990 |
1.69 |
|
E RAdeg |
3.8 |
|
E DEdeg |
4.2 |
|
Posflg |
P |
|
Corr |
0.2 |
|
SAO |
136799 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0022 |
|
DE1950 |
|
|
PmDE1950 |
-0.026 |
|
Vmag |
6.5 |
|
SpType |
A2 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
12936 |
|
DM |
BD-09 2816 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
81009 |
|
M HD |
0 |
|
GC |
12936 |
|
RA1950rad |
2.44524309 |
|
DE1950rad |
-0.16797325 |
|
PmRA2000 |
-0.0018 |
|
PmDE2000 |
-0.021 |
|
Catalog |
H |
|
HIP |
45999 |
|
Proxy |
H |
|
RAhms |
09 22 50.87 |
|
DEdms |
-09 50 19.5 |
|
Vmag |
6.51 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
140.712 |
|
DEdeg |
-9.83876 |
|
AstroRef |
* |
|
Plx |
7.2 |
|
CCDM |
09228-0950 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
S |
|
Qual |
A |
|
M HIP |
AS |
|
Theta |
35 |
|
Rho |
0.138 |
|
HD |
81009 |
|
BD |
BD-09 2816 |
|
CD |
|
|
CP |
|
|
Dm number |
-09 2816 |
|
VIred |
0.24 |
|
SpType |
A5spe... |
|
R SpType |
|
|
Coord arcsec 2000 |
092250.87-095019.5 |
|
HIP |
45999 |
|
Sn |
55 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
2.4558871796 |
|
DErad |
-0.1717188017 |
|
Plx |
6.92 |
|
PmRA |
-27.94 |
|
PmDE |
-13.01 |
|
E RArad |
0.5 |
|
E DErad |
0.41 |
|
E Plx |
0.61 |
|
E pmRA |
0.61 |
|
E pmDE |
0.36 |
|
Hpmag |
6.582 |
|
E Hpmag |
0.0013 |
|
SHp |
0.009 |
|
VA |
0 |
|
BV |
0.246 |
|
E BV |
0.006 |
|
VI |
0.28 |
|
Ccdm |
09228-0950 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
2.86 |
|
DDEs |
-20.2 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
3 |
|
Vmag |
7.3 |
|
Sp |
A2 |
|
PmNote |
* |
|
PmRA |
-30 |
|
PmDE |
-25 |
|
Dm number |
-09 2816 |
|
Cat1 |
BD |
|
Name2 |
136799 |
|
Cat2 |
SAO |
|
HD |
81009 |
|
M HD |
|
|
ADS BDS |
A 7334 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
09180S0925A |
|
HIC |
45999 |
|
09228-0950 B
Coord arcsec 2000 |
092250.88-095019.4 |
|
Mag |
7.84 |
|
Calc delta mag |
0.85 |
|
Calc coord |
yes |
|
Ccdm |
09228-0950 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
* |
|
Note2 |
|
|
Discov num |
A 1342 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1959 |
|
Theta |
027 |
|
Rho |
0.1 |
|
Obs |
99 |
|
Vmag |
7.3 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A 7334 |
|
M ADS BDS |
N |
|
N IDS |
|
|
IDS |
09180S0925B |
|
HIC |
45999 |
|
09228-0950 C
Coord arcsec 2000 |
092250.81-095021.2 |
|
Mag |
11.6 |
|
Calc delta mag |
4.61 |
|
Calc coord |
yes |
|
Ccdm |
09228-0950 |
|
RComp |
|
|
Comp |
C |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
RST |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1938 |
|
Theta |
204 |
|
Rho |
1.8 |
|
Obs |
10 |
|
Vmag |
11.6 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A 7334 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
09180S0925C |
|
HIC |
45999 |
|