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Doubles in session


Current system
18073-3517
BRT 1756 AC


Nearby doubles
16' : 18065-3504
TDT 687

21' : 18057-3511
VVV 51

26' : 18053-3510
TDT 669

28' : 18061-3541
TDT 682

35' : 18067-3444
BRT1755

36' : 18101-3524
BRT1759

38' : 18094-3544
B 1351

39' : 18100-3535
R 307

39' : 18090-3446
RSS 474

40' : 18100-3458
LDS 627

41' : 18101-3538
B 2857

42' : 18100-3452
JSP 937

45' : 18108-3529
B 1352

45' : 18057-3437
HJ 5012

46' : 18064-3601
SKF2032AB

48' : 18065-3431
RST3153

48' : 18048-3554
HDO 283

49' : 18033-3516
BRT1753

57' : 18051-3428
BRT3326

57' : 18085-3612
BRT1757

60' : 18063-3419
OL 47AB

63' : 18026-3453
TDT 649

64' : 18090-3617
SHY 738AB

70' : 18129-3513
SLR 13

75' : 18024-3433
JSP 765AB

77' : 18114-3615
RST3160



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.

18073-3517 BRT 1756 AC

 
 
18h 07m 15.99s -35° 17' 05.7" P.A. 162.00 sep 9.1 mag 10.62,13.40 Sp B9
 
 
Coord 2000 18073-3517 Discov num BRT1756 Comp AC Coord arcsec 2000 18 07 15.99 -35 17 05.7
Date first 1912 Date last 2015 Obs 7
Pa first 157 Pa last 161.9 P.A. Now (θ) 161.9°
Sep first 9.4 Sep last 9.144 Sep. Now (ρ) 9.144"
Mag pri 10.62 Mag sec 13.40 delta mag (ΔM) 2.78 Spectral class B9 (blue-white)
Pri motion ra +003 Sec motion ra
Pri motion dec -006 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18073-3517 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 321287 18 07 16 -35 17 06 BRT 1756 AB 2015 9 94 7.1 10.62 12.40 1.78
Show 18 07 16 -35 17 06 BRT 1756 AC 2015 7 162 9.1 10.62 13.40 2.78 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 7399-00841-1 Gaia DR2 4038873175251290112 HD 321287
 
 
WDS 18073-3517 BRT 1756 AC : 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
18073-3517 BRT1756 AC 1913 2 275 7.6 10.62 13.40 B9 180715.99-351705.7
18073-3517 BRT1756 AC 2000 3 162 9.2 10.62 13.40 B9 180715.99-351705.7
18073-3517 BRT1756 AC 2015 8 162 9.1 10.62 13.40 B9 180715.99-351705.7

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

 
 
WDS 18073-3517 BRT 1756 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18073-3517 BRT 1756 AC : MEASURES
 
 
No records found.

 
 
WDS 18073-3517 : VIRTUAL EYEPIECE
 
 

18073-3517 BRT1756A mag 10.62 Sp B9 18073-3517 BRT1756B sep 5.8 P.A. 94.40 mag 12.4 18073-3517 BRT1756C sep 9.0 P.A. 165.10 mag 13.4 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 18073-3517 : ALADIN DSS IMAGE @ 18h 07m 15.99s -35° 17' 05.7"
 
 
 
 
WDS 18073-3517 BRT 1756 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18073-3517 BRT1756AC distance=0' 18065-3504 TDT 687 distance=16' 18057-3511 VVV 51 distance=21' 18053-3510 TDT 669 distance=26' 18061-3541 TDT 682 distance=28' 18067-3444 BRT1755 distance=35' 18101-3524 BRT1759 distance=36' 18094-3544 B 1351 distance=38' 18100-3535 R 307 distance=39' 18090-3446 RSS 474 distance=39' 18100-3458 LDS 627 distance=40' 18101-3538 B 2857 distance=41' 18100-3452 JSP 937 distance=42' 18108-3529 B 1352 distance=45' 18057-3437 HJ 5012 distance=45' 18064-3601 SKF2032AB distance=46' 18064-3601 AMM 8AC distance=46' 18064-3601 AMM 8AD distance=46' 18064-3601 AMM 8AE distance=46' 18064-3601 AMM 8AF distance=46' 18064-3601 AMM 8AG distance=46' 18064-3601 AMM 8AH distance=46' 18064-3601 AMM 8AI distance=46' 18064-3601 AMM 8AJ distance=46' 18064-3601 AMM 8AK distance=46' 18064-3601 AMM 8AL distance=46' 18064-3601 AMM 8AM distance=46' 18064-3601 AMM 8AN distance=46' 18064-3601 AMM 8AO distance=46' 18064-3601 AMM 8AP distance=46' 18064-3601 AMM 8AQ distance=46' 18064-3601 AMM 8AR distance=46' 18064-3601 AMM 8AS distance=46' 18064-3601 AMM 8A,Ta distance=46' 18064-3601 AMM 8A,Tb distance=46' 18064-3601 AMM 8A,Tc distance=46' 18064-3601 AMM 8A,Td distance=46' 18064-3601 AMM 8A,Te distance=46' 18064-3601 AMM 8A,Tf distance=46' 18064-3601 AMM 8A,Tg distance=46' 18064-3601 AMM 8A,Th distance=46' 18064-3601 AMM 8A,Ti distance=46' 18064-3601 AMM 8A,Tj distance=46' 18064-3601 AMM 8A,Tk distance=46' 18064-3601 AMM 8A,Tl distance=46' 18064-3601 AMM 8A,Tm distance=46' 18064-3601 AMM 8A,Tn distance=46' 18064-3601 AMM 8A,To distance=46' 18064-3601 AMM 8A,Tp distance=46' 18064-3601 AMM 8A,Tq distance=46' 18064-3601 AMM 8A,Tr distance=46' 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 18073-3517 BRT1756 AB 94 7.1
Show 18073-3517 BRT1756 AC 162 9.1
Show 18065-3504 TDT 687 0.6 16
Show 18057-3511 VVV 51 156 7.4 21
Show 18053-3510 TDT 669 106 0.4 26
Show 18061-3541 TDT 682 206 0.7 28
Show 18067-3444 BRT1755 10 3.3 35
Show 18101-3524 BRT1759 6 3.3 36
Show 18094-3544 B 1351 270 0.5 38
Show 18100-3535 R 307 352 2.5 39
Show 18090-3446 RSS 474 337 26.8 39
Show 18100-3458 LDS 627 313 9.0 40
Show 18101-3538 B 2857 303 6.1 41
Show 18100-3452 JSP 937 352 7.3 42
Show 18108-3529 B 1352 224 0.2 45
Show 18057-3437 HJ 5012 188 23.4 45
Show 18064-3601 SKF2032 AB 180 12.3 46
Show 18064-3601 AMM 8 AC 105 3.2 46
Show 18064-3601 AMM 8 AD 174 3.3 46
Show 18064-3601 AMM 8 AE 306 5.0 46
Show 18064-3601 AMM 8 AF 20 4.9 46
Show 18064-3601 AMM 8 AG 91 4.8 46
Show 18064-3601 AMM 8 AH 15 5.2 46
Show 18064-3601 AMM 8 AI 10 5.2 46
Show 18064-3601 AMM 8 AJ 18 5.2 46
Show 18064-3601 AMM 8 AK 117 5.4 46
Show 18064-3601 AMM 8 AL 319 5.8 46
Show 18064-3601 AMM 8 AM 308 5.9 46
Show 18064-3601 AMM 8 AN 12 5.8 46
Show 18064-3601 AMM 8 AO 181 6.0 46
Show 18064-3601 AMM 8 AP 47 5.8 46
Show 18064-3601 AMM 8 AQ 344 6.1 46
Show 18064-3601 AMM 8 AR 304 6.3 46
Show 18064-3601 AMM 8 AS 305 6.5 46
Show 18064-3601 AMM 8 A,Ta 76 6.1 46
Show 18064-3601 AMM 8 A,Tb 233 6.6 46
Show 18064-3601 AMM 8 A,Tc 172 6.7 46
Show 18064-3601 AMM 8 A,Td 209 6.9 46
Show 18064-3601 AMM 8 A,Te 170 6.9 46
Show 18064-3601 AMM 8 A,Tf 232 7.2 46
Show 18064-3601 AMM 8 A,Tg 215 7.4 46
Show 18064-3601 AMM 8 A,Th 310 7.5 46
Show 18064-3601 AMM 8 A,Ti 252 7.7 46
Show 18064-3601 AMM 8 A,Tj 346 7.5 46
Show 18064-3601 AMM 8 A,Tk 194 7.6 46
Show 18064-3601 AMM 8 A,Tl 322 7.7 46
Show 18064-3601 AMM 8 A,Tm 258 7.8 46
Show 18064-3601 AMM 8 A,Tn 203 7.8 46
Show 18064-3601 AMM 8 A,To 225 8.0 46
Show 18064-3601 AMM 8 A,Tp 55 7.6 46
Show 18064-3601 AMM 8 A,Tq 218 8.0 46

 
 
WDS 18073-3517 : COMPONENTS
 
 
  A B
B pa=94.4°
sep=5.81"
 
C pa=165.1°
sep=9.00"
pa=202.9°
sep=8.95"
 
 
18073-3517 A
 
 
Name HD 321287 Coord arcsec 2000 180715.99-351705.7 Mag 10.62 Spectral class B9 (blue-white)
PmRA 1.00 PmDE 0.0 Tycho2 7399-00841-1 HD 321287
Tycho2
Tycho2 7399-00841-1 Pflag RAmdeg 271.81665375 DEmdeg -35.28492168
PmRA 2.9 PmDE -5.5 E RAmdeg 30 E DEmdeg 41
E pmRA 2.3 E pmDE 2.3 EpRAm 1989.59 EpDEm 1987.38
Num 3 Q RAmdeg 0.5 Q DEmdeg 1.2 Q pmRA 0.5
Q pmDE 1.2 BTmag 10.686 E BTmag 0.048 VTmag 10.624
E VTmag 0.067 Prox 999 TYC T HIP
CCDM RAdeg 271.81664528 DEdeg -35.28490917 EpRA 1990 1.77
EpDE 1990 1.78 E RAdeg 29.6 E DEdeg 41.8 Posflg
Corr -0.1
CCDM
Ccdm 18073-3517 RComp Comp A Note1
Note2 Discov num DRAs -2.10 DDEs -5.8
R dRAs 41 Year Theta Rho
Obs 3 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number -3512266 Cat1 CD
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18006S3518A
HIC
 
 
18073-3517 B
 
 
Coord arcsec 2000 180716.46-351706.1 Mag 12.4 PmRA -4.00 PmDE -7.0
Calc delta mag 1.78 Calc coord yes
CCDM
Ccdm 18073-3517 RComp Comp B Note1
Note2 Discov num BRT1756 DRAs -1.26 DDEs -6.1
R dRAs 41 Year 1913 Theta 092 Rho 7.6
Obs 1 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18006S3518B
HIC
 
 
18073-3517 C
 
 
Coord arcsec 2000 180716.18-351714.4 Mag 13.4 Calc delta mag 2.78 Calc coord yes
CCDM
Ccdm 18073-3517 RComp Comp C Note1
Note2 Discov num BRT1756 DRAs -2.59 DDEs -7.9
R dRAs 41 Year 1913 Theta 259 Rho 9.5
Obs 1 Vmag 13.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18006S3518C
HIC