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Doubles in session


Current system
16091-2009
KSA 90


Nearby doubles
3' : 16093-2008
BIL 6

25' : 16080-2028
IRE 7AB

25' : 16089-2034
IRE 9AB

28' : 16102-1946
LAF 122AB

29' : 16096-2037
HU 660

29' : 16087-1942
TSN 63

32' : 16085-1940
ARA 703

32' : 16070-2020
KSA 86

33' : 16107-1947
J 2665AB

34' : 16077-2036
BOY 20

35' : 16080-2040
KSA 87AB

36' : 16084-1936
KSA 128AB

36' : 16091-1934
KSA 89

39' : 16070-2033
KSA 85AB

40' : 16071-2036
KSA 125AB

41' : 16109-1938
LAF 125

45' : 16080-1928
LAF 114

47' : 16063-1947
B 1799

49' : 16121-2033
TOK 756

49' : 16057-2004
KOH 72

49' : 16102-2056
LDS4646

50' : 16062-2037
IRE 5AB

50' : 16058-2023
LAF 105AB

50' : 16117-1935
GWP2607

51' : 16072-1927
KSA 126AB

51' : 16107-1924
OCC 463



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

16091-2009 KSA 90

 
 
16h 09m 08.45s -20° 09' 27.8" P.A. 140.00 sep 2.0 mag 10.98,11.26 Sp M4
 
 
Coord 2000 16091-2009 Discov num KSA  90 Comp Coord arcsec 2000 16 09 08.45 -20 09 27.8
Date first 1999 Date last 2015 Obs 3
Pa first 139 Pa last 139.6 P.A. Now (θ) 139.6°
Sep first 1.9 Sep last 2.032 Sep. Now (ρ) 2.032"
Mag pri 10.98 Mag sec 11.26 delta mag (ΔM) 0.28 Spectral class M4 (red)
Pri motion ra -010 Sec motion ra
Pri motion dec -014 Sec motion dec
Notes K (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
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius Gaia DR2 6244148803549549312
 
 
WDS 16091-2009 KSA 90 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
KsA2007a E2 j Kraus, A.L. & Hillenbrand, L.A. 2007ApJ...662..413K
KsA2007a +Ed ApJ 662, 413, 2007
KsA2007b Ag j Kraus, A.L. & Hillenbrand, L.A. 2007ApJ...664.1167K
KsA2007b +E+ ApJ 664, 1167, 2007
KsA2007b +Pu
KsA2008 Am j Kraus, A.L., Ireland, M.J., Martinache, F., & Lloyd, J.P. 2008ApJ...679..762K
KsA2008 +C ApJ 679, 762, 2008
KsA2009 A+ j Kraus, A.L. & Hillenbrand, L.A. 2009ApJ...703.1511K
KsA2009 +Pb ApJ 703, 1511, 2009
KsA2009 +E+
KsA2009 +C
KsA2011 Am j Kraus, A.L., Ireland, M.J., Martinache, F., & Hillenbrand, L.A. 2011ApJ...731....8K
KsA2011 ApJ 731, 8, 2011
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
KsA2016 A j Kraus, A.L., Ireland, M.J., Huber, D., Mann, A.W., & Dupuy, T.J. 2016AJ....152....8K
KsA2016 +Ao AJ 152, 8, 2016
KsA2021 A Pearce, L.A., Kraus, A.L., Dupuy, T.J., Mann, A.W. & Huber, D. 2021ApJ...909..216P
KsA2021 ApJ 909, 216, 2021
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16091-2009 KSA 90 1999 1 139 1.9 10.98 11.26 M4 DK 160908.45-200927.8
16091-2009 KSA 90 2007 2 139 2.0 10.98 11.26 M4 K 160908.45-200927.8
16091-2009 KSA 90 2015 3 140 2.0 10.98 11.26 M4 K 160908.45-200927.8

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 16091-2009 KSA 90 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16091-2009 KSA 90 : MEASURES
 
 
No records found.

 
 
WDS 16091-2009 : VIRTUAL EYEPIECE
 
 

16091-2009 KSA 90A mag 10.98 Sp M4 16091-2009 KSA 90B sep 2.0 P.A. 141.40 mag 11.26 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 16091-2009 : ALADIN DSS IMAGE @ 16h 09m 08.45s -20° 09' 27.8"
 
 
 
 
WDS 16091-2009 KSA 90 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16091-2009 KSA 90 distance=0' 16093-2008 BIL 6 distance=3' 16080-2028 IRE 7AB distance=25' 16080-2028 IRE 7AC distance=25' 16080-2028 LAF 113AD distance=25' 16080-2028 LAF 113AE distance=25' 16080-2028 LAF 113AF distance=25' 16089-2034 IRE 9AB distance=25' 16089-2034 LAF 119AC distance=25' 16089-2034 LAF 119AD distance=25' 16089-2034 LAF 119AE distance=25' 16102-1946 LAF 122AB distance=28' 16102-1946 LAF 122AC distance=28' 16102-1946 LAF 122AD distance=28' 16096-2037 HU 660 distance=29' 16087-1942 TSN 63 distance=29' 16085-1940 ARA 703 distance=32' 16070-2020 KSA 86 distance=32' 16107-1947 J 2665AB distance=33' 16107-1947 J 2665AC distance=33' 16077-2036 BOY 20 distance=34' 16080-2040 KSA 87AB distance=35' 16080-2040 KSA 87AC distance=35' 16084-1936 KSA 128AB distance=36' 16084-1936 KSA 128AC distance=36' 16084-1936 LAF 117AD distance=36' 16091-1934 KSA 89 distance=36' 16070-2033 KSA 85AB distance=39' 16070-2033 TOK 744CD distance=39' 16071-2036 KSA 125Aa,Ab distance=40' 16071-2036 KSA 125AB distance=40' 16071-2036 IRE 6AC distance=40' 16109-1938 LAF 125 distance=41' 16093-1927 KOU 55EF distance=43' 16093-1927 USD 728Ea,Eb distance=43' 16080-1928 LAF 114 distance=45' 16063-1947 B 1799 distance=47' 16121-2033 TOK 756 distance=49' 16057-2004 KOH 72 distance=49' 16102-2056 LDS4646 distance=49' 16062-2037 IRE 5AB distance=50' 16062-2037 LAF 106AC distance=50' 16058-2023 LAF 105AB distance=50' 16058-2023 LAF 105AC distance=50' 16058-2023 LAF 105AD distance=50' 16117-1935 GWP2607 distance=50' 16072-1927 LAF 112AC distance=51' 16072-1927 KSA 126AB distance=51' 16107-1924 OCC 463 distance=51' 16077-2058 OCC 388 distance=53' 16116-2050 UC 3130 distance=54' grafico limitrofi
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 16091-2009 KSA 90 140 2.0
Show 16093-2008 BIL 6 16 0.1 3
Show 16080-2028 IRE 7 AB 325 7.1 25
Show 16080-2028 IRE 7 AC 68 10.8 25
Show 16080-2028 LAF 113 AD 69 3.5 25
Show 16080-2028 LAF 113 AE 265 4.0 25
Show 16080-2028 LAF 113 AF 139 4.8 25
Show 16089-2034 IRE 9 AB 216 8.9 25
Show 16089-2034 LAF 119 AC 223 5.9 25
Show 16089-2034 LAF 119 AD 334 6.7 25
Show 16089-2034 LAF 119 AE 173 10.1 25
Show 16102-1946 LAF 122 AB 163 8.3 28
Show 16102-1946 LAF 122 AC 189 10.3 28
Show 16102-1946 LAF 122 AD 255 10.5 28
Show 16096-2037 HU 660 67 2.6 29
Show 16087-1942 TSN 63 231 13.3 29
Show 16085-1940 ARA 703 120 14.4 32
Show 16070-2020 KSA 86 242 1.6 32
Show 16107-1947 J 2665 AB 312 6.6 33
Show 16107-1947 J 2665 AC 82 17.9 33
Show 16077-2036 BOY 20 18 0.1 34
Show 16080-2040 KSA 87 AB 201 21.5 35
Show 16080-2040 KSA 87 AC 287 22.9 35
Show 16084-1936 KSA 128 AB 65 0.7 36
Show 16084-1936 KSA 128 AC 252 4.1 36
Show 16084-1936 LAF 117 AD 289 6.3 36
Show 16091-1934 KSA 89 329 1.3 36
Show 16070-2033 KSA 85 AB 293 11.8 39
Show 16070-2033 TOK 744 CD 129 0.1 39
Show 16071-2036 KSA 125 Aa,Ab 339 0.2 40
Show 16071-2036 KSA 125 AB 234 2.1 40
Show 16071-2036 IRE 6 AC 48 11.9 40
Show 16109-1938 LAF 125 156 7.3 41
Show 16093-1927 KOU 55 EF 54 0.9 43
Show 16093-1927 USD 728 Ea,Eb 118 0.1 43
Show 16080-1928 LAF 114 314 0.8 45
Show 16063-1947 B 1799 200 2.2 47
Show 16121-2033 TOK 756 130 1.8 49
Show 16057-2004 KOH 72 352 0.6 49
Show 16102-2056 LDS4646 7 50.1 49
Show 16062-2037 IRE 5 AB 61 6.9 50
Show 16062-2037 LAF 106 AC 327 10.6 50
Show 16058-2023 LAF 105 AB 147 1.6 50
Show 16058-2023 LAF 105 AC 48 2.1 50
Show 16058-2023 LAF 105 AD 60 10.0 50
Show 16117-1935 GWP2607 50 24.0 50
Show 16072-1927 LAF 112 AC 25 6.5 51
Show 16072-1927 KSA 126 AB 51 0.1 51
Show 16107-1924 OCC 463 -1 0.3 51
Show 16077-2058 OCC 388 -1 0.5 53
Show 16116-2050 UC 3130 29 20.1 54

 
 
WDS 16091-2009 : COMPONENTS
 
 
  A
B pa=141.4°
sep=1.98"
 
 
16091-2009 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 160908.45-200927.8 Mag 10.98 Spectral class M4 (red)
PmRA -10.00 PmDE -14.0
 
 
16091-2009 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 160908.54-200929.3 Mag 11.26 Calc delta mag 0.28
Calc coord yes