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Current system
20112-3439
BRT 1806


Nearby doubles
25' : 20128-3454
HDS2881

39' : 20094-3510
HJ 5170

45' : 20137-3407
HJ 5178AB

50' : 20089-3520
KPP4186

65' : 20072-3520
LIT 33

68' : 20112-3547
UC 4115

82' : 20093-3322
B 2482

82' : 20114-3601
TDT2065

85' : 20098-3602
HDS2872

87' : 20112-3606
HJ 5173AB

87' : 20062-3340
I 1043

89' : 20046-3513
B 466

89' : 20138-3602
I 299

92' : 20041-3503
BRT1805

93' : 20040-3504
UC 4073

93' : 20130-3609
TDT2095

96' : 20043-3520
B 465

107' : 20053-3557
KPP 454

111' : 20202-3435
I 1416

112' : 20041-3548
NSN 484

114' : 20054-3312
RST5468

115' : 20047-3600
I 9021

117' : 20089-3247
UC 4104

118' : 20201-3356
JSP 811

120' : 20131-3637
TDT2097

120' : 20209-3450
B 478



Selections
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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.

20112-3439 BRT 1806

 
 
20h 11m 16.22s -34° 39' 22.4" P.A. 301.00 sep 4.8 mag 11.96,12.60
 
 
Coord 2000 20112-3439 Discov num BRT1806 Comp Coord arcsec 2000 20 11 16.22 -34 39 22.4
Date first 1911 Date last 2016 Obs 10
Pa first 306 Pa last 300.9 P.A. Now (θ) 300.9°
Sep first 4.7 Sep last 4.766 Sep. Now (ρ) 4.766"
Mag pri 11.96 Mag sec 12.60 delta mag (ΔM) 0.64 Spectral class
Pri motion ra -006 Sec motion ra
Pri motion dec -024 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 7449-00753-1 Gaia DR2 6699405093426039552
 
 
WDS 20112-3439 BRT 1806 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Brt1926a Pa - Barton, S.G. 1926AJ.....36..155B
Brt1926a AJ 36, 155, 1926 (BRT 1 - BRT 62)
Brt1926b Pa j Barton, S.G. 1926AJ.....37...57B
Brt1926b AJ 37, 57, 1926 (BRT 63 - BRT 116)
Brt1928 Pa - Barton, S.G. 1928AJ.....38..168B
Brt1928 AJ 38, 168, 1928 (BRT 117 - BRT 230)
Brt1929a Pa - Barton, S.G. 1929AN....235..425B
Brt1929a AN 235, 425, 1929 (BRT 294 - BRT 322)
Brt1929b Pa - Barton, S.G. 1929AJ.....39...93B
Brt1929b AJ 39, 93, 1929 (BRT 231 - BRT 293)
Brt1929c Ma j Barton, S.G. 1929AJ.....39..120B
Brt1929c AJ 39, 120, 1929
Brt1930 Pa - Barton, S.G. 1930AJ.....40..181B
Brt1930 AJ 40, 181, 1930 (BRT 323 - BRT 348)
Brt1931 Pa - Barton, S.G. (BRT 349 - BRT 562) 1931AJ.....41...35B
Brt1931 AJ 41, 35, 1931 (no measures for BRT 529 - BRT 562)
Brt1932a Pa - Barton, S.G. 1932AJ.....42...93B
Brt1932a AJ 42, 93, 1932 (BRT 604 - BRT 636)
Brt1932b Ma - Barton, S.G. 1932PFAO....5a...1B
Brt1932b +Pa Pub. Univ. Penn. 5, Pt.1, Sec.2, 1932 (BRT 563 - BRT 603, BRT1928, etc.)
Brt1932C Ma - Barton, S.G. 1932QB821.A43......
Brt1932C cited in ADS (Aitken Double Star Cat.), 1932
Brt1933 Pa - Barton, S.G. 1933AN....250...49B
Brt1933 AN 250, 49, 1933
Brt1933 (BRT 637 - BRT1134; very approximate dates added for pairs listed with only
Brt1933 secondary magnitudes and no astrometry)
Brt1934 Pa - Barton, S.G. 1934AJ.....43..119B
Brt1934 +Ma AJ 43, 119, 1934
Brt1935a Pa - Barton, S.G. 1935AJ.....44..105B
Brt1935a +Ma AJ 44, 105, 1935
Brt1935b Pa - Barton, S.G. 1935AN....256..357B
Brt1935b AN 256, 357, 1935
Brt1936a Ma - Barton, S.G. 1936AJ.....45...33B
Brt1936a +Pa AJ 45, 33, 1936
Brt1936b Pa - Barton, S.G. 1936AJ.....45...99B
Brt1936b +Ma AJ 45, 99, 1936
Brt1937a Pa - Barton, S.G. 1937AN....263..347B
Brt1937a AN 263, 347, 1937
Brt1937b Pa - Barton, S.G. 1937AN....263..383B
Brt1937b AN 263, 383, 1937
Brt1938 Ma - Barton, S.G. 1938AJ.....47..133B
Brt1938 +Pa AJ 47, 133, 1938
Brt1939a Ma - Barton, S.G. 1939PFAO....5b...1B
Brt1939a +Pa Pub. Univ. Penn. 5, Pt.2, Sec.2, 1939
Brt1939b Pa - Barton, S.G. 1939AJ.....48..145B
Brt1939b +Ma AJ 48, 145, 1939
Brt1941 Pa - Barton, S.G. 1941PASP...55..339B
Brt1941 PASP 55, 339, 1941
Brt1942 Pa - Barton, S.G. 1942AJ.....50...11B
Brt1942 AJ 50, 11, 1942
Brt1947 Ma - Barton, S.G. 1947AJ.....52..178B
Brt1947 +Pa AJ 52, 178, 1947
Brt1949 Ma - Barton, S.G. 1949PFAO....7a...1B
Brt1949 Pub. Univ. Penn. 7, Pt.1, Sec.1, 1949
Brt1951 Pa - Barton, S.G. 1951AJ.....55..218B
Brt1951 AJ 55, 218, 1951
Brt1957 Ma - Barton, S.G. 1957QB4.P5v7ps3....
Brt1957 Pub. Univ. Penn. 7, Pt.3, 15, 1957
Brt9999 Ma - Barton, S.G. ...................
Brt9999 +Pa Unpublished, manuscript or reference not found.
Brt2002A Ma - Barton, S.G. 2002yCat.1275....0D
Brt2002A +Pa cited in CCDM
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20112-3439 BRT1806 1999 5 301 4.8 11.96 12.60 D 201116.22-343922.4
20112-3439 BRT1806 2010 7 302 4.7 11.96 12.60 201116.22-343922.4
20112-3439 BRT1806 2015 8 301 4.8 11.96 12.60 201116.22-343922.4
20112-3439 BRT1806 2016 10 301 4.8 11.96 12.60 201116.22-343922.4

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

 
 
WDS 20112-3439 BRT 1806 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20112-3439 BRT 1806 : MEASURES
 
 
No records found.

 
 
WDS 20112-3439 : VIRTUAL EYEPIECE
 
 

20112-3439 BRT1806A mag 11.96 20112-3439 BRT1806B sep 4.2 P.A. 306.00 mag 12.6 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 20112-3439 : ALADIN DSS IMAGE @ 20h 11m 16.22s -34° 39' 22.4"
 
 
 
 
WDS 20112-3439 BRT 1806 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20112-3439 BRT1806 distance=0' 20128-3454 HDS2881 distance=25' 20094-3510 HJ 5170 distance=39' 20137-3407 HJ 5178AB distance=45' 20137-3407 JC 24AC distance=45' 20089-3520 KPP4186 distance=50' 20072-3520 LIT 33 distance=65' 20112-3547 UC 4115 distance=68' 20093-3322 B 2482 distance=82' 20114-3601 TDT2065 distance=82' 20098-3602 HDS2872 distance=85' 20112-3606 HJ 5173AB distance=87' 20112-3606 ARY 113AC distance=87' 20062-3340 I 1043 distance=87' 20046-3513 B 466 distance=89' 20138-3602 I 299 distance=89' 20041-3503 BRT1805 distance=92' 20040-3504 UC 4073 distance=93' 20130-3609 TDT2095 distance=93' 20043-3520 B 465 distance=96' 20053-3557 KPP 454 distance=107' 20202-3435 I 1416 distance=111' 20041-3548 NSN 484 distance=112' 20054-3312 RST5468 distance=114' 20047-3600 I 9021 distance=115' 20089-3247 UC 4104 distance=117' 20201-3356 JSP 811 distance=118' 20131-3637 TDT2097 distance=120' 20209-3450 B 478 distance=120' 20055-3300 SEE 404AB distance=123' 20055-3300 SEE 404AB,C distance=123' 20164-3627 HJ 5183AB distance=125' 20164-3627 HJ 5183AC distance=125' 20069-3633 JSP 809 distance=126' 20036-3315 OCC1105 distance=128' 20211-3530 UC 4156 distance=132' 20182-3258 SEE 413AB distance=135' 20182-3258 SEE 413BC distance=135' 20173-3638 RSS 545 distance=140' 20109-3219 B 987 distance=141' 19599-3442 I 1410BC distance=141' 19599-3442 I 1410AB distance=141' 20169-3236 STN 64 distance=142' 19597-3517 ISO 11 distance=147' 20222-3541 I 430 distance=148' 20035-3636 B 463AB distance=150' 20035-3636 SEE 402AC distance=150' 20035-3240 BRT3353 distance=154' 20114-3715 B 470 distance=156' 20213-3304 RST2139 distance=157' 20247-3445 HJ 5195AB distance=165' 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 20112-3439 BRT1806 301 4.8
Show 20128-3454 HDS2881 12 15.5 25
Show 20094-3510 HJ 5170 314 12.8 39
Show 20137-3407 HJ 5178 AB 9 2.8 45
Show 20137-3407 JC 24 AC 16 79.5 45
Show 20089-3520 KPP4186 150 1.3 50
Show 20072-3520 LIT 33 233 4.6 65
Show 20112-3547 UC 4115 276 47.3 68
Show 20093-3322 B 2482 125 7.0 82
Show 20114-3601 TDT2065 150 1.7 82
Show 20098-3602 HDS2872 205 0.5 85
Show 20112-3606 HJ 5173 AB 130 4.3 87
Show 20112-3606 ARY 113 AC 6 66.8 87
Show 20062-3340 I 1043 240 2.4 87
Show 20046-3513 B 466 84 3.4 89
Show 20138-3602 I 299 26 0.6 89
Show 20041-3503 BRT1805 202 5.4 92
Show 20040-3504 UC 4073 3 26.4 93
Show 20130-3609 TDT2095 265 0.4 93
Show 20043-3520 B 465 73 0.7 96
Show 20053-3557 KPP 454 215 4.9 107
Show 20202-3435 I 1416 323 0.1 111
Show 20041-3548 NSN 484 258 6.0 112
Show 20054-3312 RST5468 23 0.8 114
Show 20047-3600 I 9021 12 10.4 115
Show 20089-3247 UC 4104 63 27.6 117
Show 20201-3356 JSP 811 147 1.5 118
Show 20131-3637 TDT2097 236 1.2 120
Show 20209-3450 B 478 28 6.0 120
Show 20055-3300 SEE 404 AB 112 0.6 123
Show 20055-3300 SEE 404 AB,C 186 21.7 123
Show 20164-3627 HJ 5183 AB 229 36.8 125
Show 20164-3627 HJ 5183 AC 179 46.3 125
Show 20069-3633 JSP 809 74 0.4 126
Show 20036-3315 OCC1105 290 0.0 128
Show 20211-3530 UC 4156 350 25.7 132
Show 20182-3258 SEE 413 AB 33 17.5 135
Show 20182-3258 SEE 413 BC 145 5.1 135
Show 20173-3638 RSS 545 132 22.1 140
Show 20109-3219 B 987 27 5.1 141
Show 19599-3442 I 1410 BC 105 1.4 141
Show 19599-3442 I 1410 AB 165 32.8 141
Show 20169-3236 STN 64 295 1.7 142
Show 19597-3517 ISO 11 175 0.2 147
Show 20222-3541 I 430 345 20.7 148
Show 20035-3636 B 463 AB 200 1.3 150
Show 20035-3636 SEE 402 AC 312 24.6 150
Show 20035-3240 BRT3353 293 3.3 154
Show 20114-3715 B 470 253 3.2 156
Show 20213-3304 RST2139 320 0.2 157
Show 20247-3445 HJ 5195 AB 115 16.3 165

 
 
WDS 20112-3439 : COMPONENTS
 
 
  A
B pa=306.0°
sep=4.16"
 
 
20112-3439 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201116.22-343922.4 Mag 11.96 PmRA -6.00
PmDE -24.0 Tycho2 7449-00753-1 DM CD-3513972
Tycho2
Tycho2 7449-00753-1 Pflag RAmdeg 302.81760862 DEmdeg -34.65623933
PmRA -24.4 PmDE -16.5 E RAmdeg 72 E DEmdeg 87
E pmRA 2.1 E pmDE 2.3 EpRAm 1972.51 EpDEm 1963.20
Num 5 Q RAmdeg 0.3 Q DEmdeg 1.3 Q pmRA 0.3
Q pmDE 1.3 BTmag 12.363 E BTmag 0.207 VTmag 11.960
E VTmag 0.208 Prox 999 TYC HIP
CCDM RAdeg 302.81767722 DEdeg -34.65620028 EpRA 1990 1.74
EpDE 1990 1.57 E RAdeg 82.9 E DEdeg 109.1 Posflg
Corr 0.0
 
 
20112-3439 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201115.95-343920.0 Mag 12.6 Calc delta mag 0.64
Calc coord yes