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Doubles in session


Current system
18242-3423
SEE 351 AB


Nearby doubles
4' : 18239-3421
ARY 76

7' : 18241-3430
TDT 835

8' : 18248-3424
SKF2065

18' : 18233-3408
VVV 56

34' : 18244-3349
BRT1775

43' : 18272-3402
B 1363

45' : 18206-3424
JSP 773

45' : 18205-3420
JSP 939

51' : 18221-3507
BRT1772

53' : 18240-3516
BRT1773

61' : 18246-3523
JSP 774

61' : 18213-3333
B 937

63' : 18268-3517
B 2866

65' : 18293-3431
B 1364

65' : 18294-3416
B 1365

70' : 18190-3357
BRT1768

72' : 18188-3448
RST3171

73' : 18185-3441
TOK 902

73' : 18248-3535
BRT3331

73' : 18202-3517
RST3174

75' : 18220-3313
BRT1771

77' : 18243-3539
BRT1774

78' : 18191-3509
OL 18

79' : 18203-3526
TOK 801

81' : 18185-3503
OL 17

84' : 18176-3406
HJ 5036AB



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.

18242-3423 SEE 351 AB

 
 
18h 24m 10.33s -34° 23' 04.6" P.A. 314.00 sep 39.9 mag 1.85,14.30 Sp B9.5III dist. 43.94 pc (143.33 l.y.)
 
 
Coord 2000 18242-3423 Discov num SEE 351 Comp AB Coord arcsec 2000 18 24 10.33 -34 23 04.6
Date first 1896 Date last 2022 Obs 5
Pa first 295 Pa last 313.8 P.A. Now (θ) 313.8°
Sep first 32.5 Sep last 39.91 Sep. Now (ρ) 39.91"
Mag pri 1.85 Mag sec 14.30 delta mag (ΔM) 12.45 Spectral class B9.5III (blue-white)
Pri motion ra -039 Sec motion ra
Pri motion dec -124 Sec motion dec
Notes N U (See Notes, Proper motion indicates non-physical)
This double is not physical.
 
 
18242-3423 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 210091 18 24 10 -34 23 05 SEE 351 AB 2022 5 314 39.9 1.85 14.30 12.45 <===
Show Kaus Australis 210091 18 24 10 -34 23 05 GOL 2 AC 1999 2 142 2.4 1.85 8.40 6.55
Show 210091 18 24 10 -34 23 05 TOK 617 AD 2022 5 36 862.9 1.85 9.03 7.18
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Kaus Australis Constellation Sagittarius SAO 210091 HIP 90185
Tycho2 7401-03471-1 Gaia DR2 4044447699101567360 HD 169022 HR 6879
GC 25100 CD CD-3412784 Bayer Epsilon Sagittarii Bayer name Eps Sgr
Flamsteed 20 Sagittarii Flamsteed name 20 Sgr FK5 689 Distance 43.94
Distance ly 143.33 Bayer greek ε Sgr
 
 
WDS 18242-3423 SEE 351 AB : NOTES
 
 
discov_num notes refcode
SEE 351 eps Sgr = 20 Sgr = Kaus Australis. Infrared excess and probable
circumstellar disk. Spectral peculiarities lead to classification
problems. Alternative types B9IVp, A0II(shell)
Intensity Interferometer Limb-darkened diameter 1.44 +/- 0.06 mas. HBr1974
 
 
REFERENCES
 
 
refcode metd author reference
HBr1974 - Hanbury Brown, R., Davis, J., & Allen, L.R. 1974MNRAS.167..121H
HBr1974 MNRAS 167, 121, 1974
 
 
DISCOVERER
 
 
idgroup discov author
1 GOL Goldschmidt, H. (from additional DD list)
1 SEE See, T.J.J.
92 TOK Tokovinin, A.A.
139 TOK Tokovinin, A.A., Balega, Y.Y., Pluzhnik, E.A., Shatsky, N.I., Gorynya, N.A., &
139 TOK Weigelt, G.
153 TOK Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N.,
153 TOK Martinez, M., & Mondaca, E.
221 TOK Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M.,
221 TOK Ratzloff, J. & Walter, F.M.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18242-3423 SEE 351 AB 1998 3 314 39.4 1.85 14.30 B9.5III N D 182410.33-342304.6
18242-3423 SEE 351 AB 1999 4 313 38.6 1.85 14.30 B9.5III NUD 182410.33-342304.6
18242-3423 SEE 351 AB 2022 5 314 39.9 1.85 14.30 B9.5III NU 182410.33-342304.6

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

 
 
WDS 18242-3423 SEE 351 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18242-3423 SEE 351 AB : MEASURES
 
 
No records found.

 
 
WDS 18242-3423 : VIRTUAL EYEPIECE
 
 

18242-3423 SEE 351A mag 1.85 Sp B9.5III 18242-3423 SEE 351B sep 36.4 P.A. 319.30 mag 14.3 18242-3423 GOL 2C sep 2.2 P.A. 147.50 mag 8.4 18242-3423 TOK 617D sep 815.2 P.A. 30.60 mag 9.03 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 18242-3423 : ALADIN DSS IMAGE @ 18h 24m 10.33s -34° 23' 04.6"
 
 
 
 
WDS 18242-3423 SEE 351 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18242-3423 SEE 351AB (Kaus Australis) distance=0' 18239-3421 ARY 76 distance=4' 18241-3430 TDT 835 distance=7' 18248-3424 SKF2065 distance=8' 18233-3408 VVV 56 distance=18' 18244-3349 BRT1775 distance=34' 18272-3402 B 1363 distance=43' 18206-3424 JSP 773 distance=45' 18205-3420 JSP 939 distance=45' 18221-3507 BRT1772 distance=51' 18240-3516 BRT1773 distance=53' 18246-3523 JSP 774 distance=61' 18213-3333 B 937 distance=61' 18268-3517 B 2866 distance=63' 18293-3431 B 1364 distance=65' 18294-3416 B 1365 distance=65' 18190-3357 BRT1768 distance=70' 18188-3448 RST3171 distance=72' 18185-3441 TOK 902 distance=73' 18248-3535 BRT3331 distance=73' 18202-3517 RST3174 distance=73' 18220-3313 BRT1771 distance=75' 18243-3539 BRT1774 distance=77' 18191-3509 OL 18 distance=78' 18203-3526 TOK 801 distance=79' 18185-3503 OL 17 distance=81' 18176-3406 HJ 5036CD distance=83' 18176-3406 HJ 5036AB distance=84' 18176-3406 HJ 5036AC distance=84' 18176-3442 BRT1766 distance=84' 18188-3325 BRT1767 distance=90' 18167-3447 VVV 53 distance=96' 18297-3532 BRT1780 distance=97' 18187-3534 LDS 636 distance=98' 18266-3247 RST2054 distance=102' 18180-3538 B 425AB distance=107' 18180-3538 B 425AC distance=107' 18207-3245 BRT1770 distance=107' 18202-3601 BRT1769 distance=110' 18153-3413 BRT1762 distance=110' 18314-3315 COO 226 distance=113' 18332-3436 JSP 776 distance=114' 18304-3548 HDS2622 distance=115' 18150-3448 BRT1761 distance=117' 18175-3300 PRO 201 distance=119' 18337-3444 JSP 778 distance=119' 18311-3259 HWE 43AB distance=121' 18311-3259 HWE 43AC distance=121' 18256-3628 OL 19 distance=126' 18167-3258 BRT1765 distance=127' 18276-3224 HDS2611 distance=127' 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 Kaus Australis 18242-3423 SEE 351 AB 314 39.9
Show Kaus Australis 18242-3423 GOL 2 AC 142 2.4
Show Kaus Australis 18242-3423 TOK 617 AD 36 862.9
Show 18239-3421 ARY 76 10 18.9 4
Show 18241-3430 TDT 835 76 0.6 7
Show 18248-3424 SKF2065 164 23.3 8
Show 18233-3408 VVV 56 193 17.3 18
Show 18244-3349 BRT1775 147 3.2 34
Show 18272-3402 B 1363 223 2.4 43
Show 18206-3424 JSP 773 337 1.0 45
Show 18205-3420 JSP 939 27 3.3 45
Show 18221-3507 BRT1772 195 2.8 51
Show 18240-3516 BRT1773 295 3.6 53
Show 18246-3523 JSP 774 72 4.3 61
Show 18213-3333 B 937 142 0.8 61
Show 18268-3517 B 2866 343 4.5 63
Show 18293-3431 B 1364 34 3.6 65
Show 18294-3416 B 1365 242 4.1 65
Show 18190-3357 BRT1768 72 4.3 70
Show 18188-3448 RST3171 234 1.1 72
Show 18185-3441 TOK 902 29 0.2 73
Show 18248-3535 BRT3331 192 5.5 73
Show 18202-3517 RST3174 306 1.5 73
Show 18220-3313 BRT1771 115 3.8 75
Show 18243-3539 BRT1774 55 3.5 77
Show 18191-3509 OL 18 296 1.1 78
Show 18203-3526 TOK 801 7 0.1 79
Show 18185-3503 OL 17 252 6.1 81
Show 18176-3406 HJ 5036 CD 346 22.4 83
Show 18176-3406 HJ 5036 AB 85 38.7 84
Show 18176-3406 HJ 5036 AC 41 93.8 84
Show 18176-3442 BRT1766 261 2.4 84
Show 18188-3325 BRT1767 209 4.2 90
Show 18167-3447 VVV 53 8 4.5 96
Show 18297-3532 BRT1780 252 2.1 97
Show 18187-3534 LDS 636 6 20.8 98
Show 18266-3247 RST2054 350 0.8 102
Show 18180-3538 B 425 AB 51 2.9 107
Show 18180-3538 B 425 AC 356 7.3 107
Show 18207-3245 BRT1770 354 4.5 107
Show 18202-3601 BRT1769 1 4.1 110
Show 18153-3413 BRT1762 13 4.8 110
Show 18314-3315 COO 226 193 12.6 113
Show 18332-3436 JSP 776 31 0.3 114
Show 18304-3548 HDS2622 70 4.6 115
Show 18150-3448 BRT1761 145 3.8 117
Show 18175-3300 PRO 201 205 7.8 119
Show 18337-3444 JSP 778 162 1.5 119
Show 18311-3259 HWE 43 AB 185 3.4 121
Show 18311-3259 HWE 43 AC 339 32.1 121
Show 18256-3628 OL 19 261 4.1 126

 
 
WDS 18242-3423 : COMPONENTS
 
 
  A B C
B pa=319.3°
sep=36.44"
 
C pa=147.5°
sep=2.24"
pa=139.8°
sep=38.67"
 
D pa=30.6°
sep=815.20"
pa=33.0°
sep=804.30"
pa=30.4°
sep=816.22"
 
 
18242-3423 A
 
 
Common name Kaus Australis Coord arcsec 2000 182410.33-342304.6 Mag 1.85 Spectral class B9.5III (blue-white)
PmRA -39.00 PmDE -124.0 SAO 210091 HIP 90185
Tycho2 7401-03471-1 HD 169022 HR 6879 GC 25100
CD CD-3412784 Bayer Epsilon Sagittarii Bayer name Eps Sgr Flamsteed 20 Sagittarii
Flamsteed name 20 Sgr FK5 689
SAO
SAO 210091 DelFlag RA1950 PmRA1950 -0.0026
DE1950 PmDE1950 -0.125 Vmag 2 SpType A0
Double code Source 74 CatNum 689 DM CD-3412784
DMcomp BDsup HD 169022 M HD 0
GC 25100 RA1950rad 4.80337791 DE1950rad -0.60057236 PmRA2000 -0.0026
PmDE2000 -0.126
Hipparcos
Catalog H HIP 90185 Proxy RAhms 18 24 10.35
DEdms -34 23 03.5 Vmag 1.79 VarFlag R Vmag H
RAdeg 276.043 DEdeg -34.3843 AstroRef Plx 22.55
CCDM 18242-3423 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 169022 BD
CD CD-3412784 CP Dm number -3412784 VIred 0.01
SpType B9.5III R SpType Coord arcsec 2000 182410.35-342303.5
Hipparcos 2
HIP 90185 Sn 5 So 0 Nc 1
RArad 4.8178611373 DErad -0.6001195009 Plx 22.76 PmRA -39.42
PmDE -124.2 E RArad 0.22 E DErad 0.14 E Plx 0.24
E pmRA 0.22 E pmDE 0.14 Hpmag 1.7986 E Hpmag 0.0008
SHp 0.004 VA 0 BV -0.031 E BV 0.004
VI 0.01
CCDM
Ccdm 18242-3423 RComp Comp A Note1
Note2 Discov num DRAs -1.64 DDEs -4.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 2.0 Sp A0 PmNote *
PmRA -32 PmDE -125 Dm number -3412784 Cat1 CD
Name2 210091 Cat2 SAO HD 169022 M HD
ADS BDS M ADS BDS N IDS IDS 18175S3427A
HIC 90185
 
 
18242-3423 B
 
 
Coord arcsec 2000 182408.41-342237.0 Mag 14.3 Calc delta mag 12.45 Calc coord yes
CCDM
Ccdm 18242-3423 RComp Comp B Note1
Note2 Discov num SEE 351 DRAs DDEs
R dRAs Year 1896 Theta 295 Rho 32.5
Obs 1 Vmag 14.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18175S3427B
HIC
 
 
18242-3423 C
 
 
Coord arcsec 2000 182410.43-342306.5 Mag 8.4 Calc delta mag 6.55 Calc coord yes
 
 
18242-3423 D
 
 
Coord arcsec 2000 182443.82-341123.0 Mag 9.03 PmRA -33.00 PmDE -130.0
Calc delta mag 7.18 Calc coord yes