16105-1913 KSA 93 AB
16h 10m 31.96s -19° 13' 06.2" P.A. 114.00 sep 5.7 mag 8.99,12.88 Sp K7
Coord 2000 |
16105-1913 |
|
Discov num |
KSA 93 |
|
Comp |
AB |
|
Coord arcsec 2000 |
16 10 31.96 -19 13 06.2 |
|
Date first |
1999 |
|
Date last |
2015 |
|
Obs |
17 |
|
Pa first |
114 |
|
Pa last |
114.4 |
|
P.A. Now (θ) |
114.4° |
|
Sep first |
5.7 |
|
Sep last |
5.748 |
|
Sep. Now (ρ) |
5.748" |
|
Mag pri |
8.99 |
|
Mag sec |
12.88 |
|
delta mag (ΔM) |
3.89 |
|
Spectral class |
K7 (yellow-orange) |
|
Pri motion ra |
-010 |
|
Sec motion ra |
|
|
Pri motion dec |
-034 |
|
Sec motion dec |
|
|
Notes |
N
V
K
(See Notes, Proper motion indicates physical, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
16105-1913 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
16 10 32 -19 13 06 |
KSA 93 Aa,Ab |
2011 |
3 |
91 |
0.2 |
8.99 |
11.74 |
2.75 |
|
|
Show |
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16 10 32 -19 13 06 |
KSA 93 AB |
2015 |
17 |
114 |
5.7 |
8.99 |
12.88 |
3.89 |
|
<=== |
Show |
|
|
16 10 32 -19 13 06 |
LAF 124 AC |
2008 |
1 |
77 |
8.1 |
8.99 |
18.37 |
9.38 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Scorpius |
|
Gaia DR2 |
6245761404851201408 |
|
WDS 16105-1913 KSA 93 AB : NOTES
discov_num |
notes |
refcode |
KSA 93 |
Primary is the pre-main sequence star [PBB2002] USco 161031.9-191305. |
|
|
Kraus et al. (2014) estimate mass of the companion at 70 +/- 10 Mjup. |
KsA2014 |
|
Lachapelle et al. (2015) derive the following properties for Aa,Ab,B: |
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|
Spectral type | K7 | ~M4 | M9 +/- 0.5 |
|
|
Teff (K) | ~4000 | 3200 +/- 300 | 2500 +/- 200 |
|
|
log(L/Lsun) | ... | -1.48 +/- 0.11 | -2.13 +/- 0.12 |
|
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Mass (Msun) (5 Myr) | ~0.77 | 0.12 +/- 0.02 | 0.032 +/- 0.004 |
|
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Mass (Msun) (10 Myr) | ~0.77 | 0.16 +/- 0.02 | 0.058 +/- 0.011 |
|
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Distance (pc) | 145 +/- 14 | ... | ... |
|
|
Proj. sep. (AU) | ... | 26 +/- 3 | 885 +/- 85 |
Lch2015 |
REFERENCES
refcode |
metd |
author |
reference |
KsA2014 |
A j |
Kraus, A.L., Ireland, M.J., Cieza, L.A., Hinkley, S., Dupuy, T.J., |
2014ApJ...781...20K |
KsA2014 |
|
Bowler, B.P., & Liu, M.C. |
|
KsA2014 |
|
ApJ 781, 20, 2014 |
|
Lch2015 |
A j |
Lachapelle, F.-R., Lafreniere, D., Gagne, J., Jayawardhana, R., Janson, M., |
2015ApJ...802...61L |
Lch2015 |
|
Helling, C., & Witte, S. |
|
Lch2015 |
|
ApJ 802, 61, 2015 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
LAF |
Lafreniere, D., Doyon, R., Marois, C., Nadeau, D., Oppenheimer, B.R., Roche, P.F., |
1 |
LAF |
Rigaut, F., Graham, J.R., et al. |
10 |
LAF |
Lafreniere, D., Jayawardhana, R., Janson, M., Helling, C., Witte, S., & |
10 |
LAF |
Hauschildt, P. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
16105-1913 |
KSA 93 |
AB |
2012 |
14 |
114 |
5.8 |
8.99 |
12.88 |
K7 |
V K |
161031.96-191306.2 |
16105-1913 |
KSA 93 |
AB |
2015 |
16 |
114 |
5.7 |
8.99 |
12.88 |
K7 |
NV K |
161031.96-191306.2 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 16105-1913 KSA 93 AB : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 16105-1913 KSA 93 AB : MEASURES
No records found.
WDS 16105-1913 : 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 16105-1913 : ALADIN DSS IMAGE @ 16h 10m 31.96s -19° 13' 06.2"
WDS 16105-1913 KSA 93 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 |
|
16105-1913 |
KSA 93 |
AB |
114 |
5.7 |
|
Show |
|
16105-1913 |
KSA 93 |
Aa,Ab |
91 |
0.2 |
|
Show |
|
16105-1913 |
LAF 124 |
AC |
77 |
8.1 |
|
Show |
|
16107-1917 |
KSA 94 |
AB |
186 |
16.7 |
5 |
Show |
|
16107-1917 |
USD 820 |
Aa,Ab |
168 |
1.1 |
5 |
Show |
|
16105-1905 |
KOH 77 |
|
57 |
0.3 |
9 |
Show |
|
16104-1904 |
KOH 76 |
AB |
7 |
4.6 |
10 |
Show |
|
16104-1904 |
KOH 76 |
AC |
-1 |
-1.0 |
10 |
Show |
|
16104-1904 |
KSA 133 |
AD |
104 |
3.0 |
10 |
Show |
|
16104-1904 |
KSA 133 |
AE |
333 |
4.4 |
10 |
Show |
|
16104-1904 |
KSA 133 |
AF |
334 |
4.5 |
10 |
Show |
|
16107-1924 |
OCC 463 |
|
-1 |
0.3 |
11 |
Show |
|
16111-1905 |
MSR 7 |
|
204 |
10.0 |
13 |
Show |
|
16120-1907 |
KOH 78 |
AB |
192 |
3.4 |
22 |
Show |
|
16120-1907 |
MSR 8 |
AC |
336 |
7.2 |
22 |
Show |
|
16120-1907 |
MSR 8 |
AD |
209 |
10.0 |
22 |
Show |
|
16120-1907 |
MSR 8 |
AE |
73 |
14.3 |
22 |
Show |
|
16090-1909 |
IRE 10 |
|
275 |
6.8 |
22 |
Show |
|
16093-1927 |
KOU 55 |
EF |
54 |
0.9 |
23 |
Show |
|
16093-1927 |
USD 728 |
Ea,Eb |
118 |
0.1 |
23 |
Show |
|
16120-1928 |
MTL 2 |
CD |
55 |
2.4 |
25 |
Show |
|
16109-1938 |
LAF 125 |
|
156 |
7.3 |
25 |
Show |
|
16090-1900 |
KOU 54 |
AB |
100 |
1.0 |
25 |
Show |
|
16090-1900 |
LAF 120 |
AC |
134 |
6.0 |
25 |
Show |
|
16090-1900 |
HNK 6 |
Aa,Ab |
253 |
0.2 |
25 |
Show |
|
16095-1853 |
TOK 752 |
|
166 |
0.2 |
26 |
Show |
Jabbah |
16120-1928 |
CHR 146 |
Aa,Ab |
344 |
0.1 |
26 |
Show |
Jabbah |
16120-1928 |
BU 120 |
AB |
1 |
1.4 |
26 |
Show |
Jabbah |
16120-1928 |
H 5 6 |
AC |
336 |
41.3 |
26 |
Show |
Jabbah |
16120-1928 |
LAF 127 |
AE |
318 |
5.3 |
26 |
Show |
|
16086-1912 |
TOK 750 |
|
143 |
0.3 |
28 |
Show |
|
16117-1935 |
GWP2607 |
|
50 |
24.0 |
28 |
Show |
|
16096-1848 |
KSA 91 |
|
4 |
20.2 |
29 |
Show |
|
16087-1901 |
TOK 751 |
|
141 |
0.1 |
29 |
Show |
|
16091-1934 |
KSA 89 |
|
329 |
1.3 |
30 |
Show |
|
16084-1912 |
LAF 116 |
|
320 |
10.2 |
31 |
Show |
|
16127-1924 |
PRA 1 |
|
103 |
0.7 |
33 |
Show |
|
16082-1909 |
KSA 127 |
AB |
43 |
0.0 |
33 |
Show |
|
16082-1909 |
LAF 115 |
AC |
321 |
6.3 |
33 |
Show |
|
16127-1859 |
GHE 20 |
Aa,Ab |
156 |
0.1 |
34 |
Show |
|
16127-1859 |
KSA 96 |
AB |
269 |
19.1 |
34 |
Show |
|
16102-1946 |
LAF 122 |
AB |
163 |
8.3 |
34 |
Show |
|
16102-1946 |
LAF 122 |
AC |
189 |
10.3 |
34 |
Show |
|
16102-1946 |
LAF 122 |
AD |
255 |
10.5 |
34 |
Show |
|
16124-1935 |
KOU 57 |
|
340 |
3.2 |
34 |
Show |
|
16107-1947 |
J 2665 |
AB |
312 |
6.6 |
35 |
Show |
|
16107-1947 |
J 2665 |
AC |
82 |
17.9 |
35 |
Show |
|
16116-1839 |
HER 25 |
AB |
218 |
1.3 |
38 |
Show |
|
16116-1839 |
KRS 4 |
Ba,Bb |
101 |
0.0 |
38 |
Show |
|
16084-1936 |
KSA 128 |
AB |
65 |
0.7 |
38 |
Show |
|
16084-1936 |
KSA 128 |
AC |
252 |
4.1 |
38 |
|
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WDS 16105-1913 : COMPONENTS
|
A |
Ab |
B |
Ab |
pa=90.6°
sep=0.16"
| |
B |
pa=115.7°
sep=5.48"
| pa=116.4°
sep=5.34"
| |
C |
pa=75.8°
sep=7.66"
| pa=75.5°
sep=7.50"
| pa=30.3°
sep=4.92"
|
16105-1913 A
Coord arcsec 2000 |
161031.96-191306.2 |
|
Mag |
8.99 |
|
Spectral class |
K7 (yellow-orange) |
|
PmRA |
-10.00 |
|
PmDE |
-34.0 |
|
16105-1913 Ab
Coord arcsec 2000 |
161031.97-191306.2 |
|
Mag |
11.74 |
|
Calc delta mag |
2.75 |
|
Calc coord |
yes |
|
16105-1913 B
Coord arcsec 2000 |
161032.31-191308.6 |
|
Mag |
12.88 |
|
Calc delta mag |
3.89 |
|
Calc coord |
yes |
|
16105-1913 C
Coord arcsec 2000 |
161032.48-191304.3 |
|
Mag |
18.37 |
|
Calc delta mag |
9.38 |
|
Calc coord |
yes |
|