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Current system
17550+0521
BRT 2173


Nearby doubles
22' : 17536+0516
STF2240

26' : 17551+0546
GWP2744

26' : 17533+0523
TDT 557

37' : 17531+0545
UC 3440

43' : 17567+0447
HEI 255

44' : 17528+0550
UC 3438

53' : 17532+0606
JNN 244AB

58' : 17519+0556
SKF2214

66' : 17553+0416
BAL2906

69' : 17577+0426
BAR 44

74' : 17584+0428
KUI 84AB

75' : 17506+0445
BAL2905

75' : 17547+0636
HEI 866

79' : 18001+0537
TDT 623AB

80' : 17504+0440
BAL2901

81' : 17595+0436
BAL2909

83' : 17504+0433
BAL2902AB

84' : 17500+0520
STF2227

85' : 17494+0534
TDS 886

87' : 18008+0518
TDT 634

88' : 17599+0435
GRV 972

93' : 17490+0458
STF2223

95' : 17488+0542
CVR 207

96' : 17503+0415
HJ 855

99' : 18003+0422
WSI 65

102' : 17539+0701
HEI 865



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.

17550+0521 BRT 2173

 
 
17h 54m 58.87s +05° 20' 52.3" P.A. 197.00 sep 3.8 mag 9.60,11.40
 
 
Coord 2000 17550+0521 Discov num BRT2173 Comp Coord arcsec 2000 17 54 58.87 +05 20 52.3
Date first 1899 Date last 2016 Obs 7
Pa first 212 Pa last 197.4 P.A. Now (θ) 197.4°
Sep first 3.0 Sep last 3.832 Sep. Now (ρ) 3.832"
Mag pri 9.60 Mag sec 11.40 delta mag (ΔM) 1.8 Spectral class
Pri motion ra +007 Sec motion ra
Pri motion dec +003 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus Tycho2 0425-01043-1 Gaia DR2 4473114400480175488
 
 
WDS 17550+0521 BRT 2173 : 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
17550+0521 BRT2173 2001 5 199 3.9 9.60 11.40 D 175458.87+052052.3
17550+0521 BRT2173 2016 7 197 3.8 9.60 11.40 175458.87+052052.3

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

 
 
WDS 17550+0521 BRT 2173 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17550+0521 BRT 2173 : MEASURES
 
 
No records found.

 
 
WDS 17550+0521 : VIRTUAL EYEPIECE
 
 

17550+0521 BRT2173A mag 9.6 17550+0521 BRT2173B sep 3.8 P.A. 197.30 mag 11.4 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 17550+0521 : ALADIN DSS IMAGE @ 17h 54m 58.87s +05° 20' 52.3"
 
 
 
 
WDS 17550+0521 BRT 2173 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17550+0521 BRT2173 distance=0' 17536+0516 STF2240 distance=22' 17551+0546 GWP2744 distance=26' 17533+0523 TDT 557 distance=26' 17531+0545 UC 3440 distance=37' 17567+0447 HEI 255 distance=43' 17528+0550 UC 3438 distance=44' 17532+0606 JNN 244AB distance=53' 17532+0606 JNN 244AC distance=53' 17532+0606 JNN 244AD distance=53' 17519+0556 SKF2214 distance=58' 17553+0416 BAL2906 distance=66' 17577+0426 BAR 44 distance=69' 17584+0428 KUI 84AB distance=74' 17584+0428 SKF2215AC distance=74' 17506+0445 BAL2905 distance=75' 17547+0636 HEI 866 distance=75' 18001+0537 TDT 623AB distance=79' 18001+0537 SKF1859AB,C distance=79' 18001+0537 GII 256Aa,Ab distance=79' 17504+0440 BAL2901 distance=80' 17595+0436 BAL2909 distance=81' 17504+0433 BAL2902BC distance=83' 17504+0433 BAL2902AB distance=83' 17504+0433 BAL2902AC distance=83' 17500+0520 STF2227 distance=84' 17494+0534 TDS 886 distance=85' 18008+0518 TDT 634 distance=87' 17599+0435 GRV 972 distance=88' 17490+0458 STF2223 distance=93' 17488+0542 CVR 207 distance=95' 17503+0415 HJ 855 distance=96' 18003+0422 WSI 65 distance=99' 17539+0701 HEI 865 distance=102' 17581+0651 GWP2748 distance=102' 18015+0448 OSO 92AB distance=103' 18015+0448 OSO 92AC distance=103' 17516+0350 BAL2457 distance=104' 18007+0627 GRV1260 distance=109' 17496+0404 DAM 96 distance=112' 17475+0530 UC 3408 distance=112' 17493+0406 DAM 95 distance=113' 17493+0404 BAL2899 distance=114' 17543+0328 A 2188 distance=114' 17482+0616 J 2116BC distance=116' 17482+0616 J 2116AB distance=116' 17540+0324 BAL2460 distance=119' 17470+0526 DCH 114 distance=120' 17579+0328 J 1333 distance=120' 17560+0320 J 1332 distance=121' 17470+0542 STF2216 distance=121' 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 17550+0521 BRT2173 197 3.8
Show 17536+0516 STF2240 204 3.0 22
Show 17551+0546 GWP2744 301 48.8 26
Show 17533+0523 TDT 557 62 1.5 26
Show 17531+0545 UC 3440 133 8.7 37
Show 17567+0447 HEI 255 269 0.4 43
Show 17528+0550 UC 3438 34 34.4 44
Show 17532+0606 JNN 244 AB 124 3.0 53
Show 17532+0606 JNN 244 AC 307 3.4 53
Show 17532+0606 JNN 244 AD 175 4.4 53
Show 17519+0556 SKF2214 235 8.0 58
Show 17553+0416 BAL2906 177 14.8 66
Show 17577+0426 BAR 44 68 145.0 69
Show 17584+0428 KUI 84 AB 346 0.2 74
Show 17584+0428 SKF2215 AC 320 18.0 74
Show 17506+0445 BAL2905 275 18.3 75
Show 17547+0636 HEI 866 127 2.7 75
Show 18001+0537 TDT 623 AB 239 0.3 79
Show 18001+0537 SKF1859 AB,C 183 3.8 79
Show 18001+0537 GII 256 Aa,Ab 280 0.1 79
Show 17504+0440 BAL2901 8.6 80
Show 17595+0436 BAL2909 151 6.0 81
Show 17504+0433 BAL2902 BC 50 18.5 83
Show 17504+0433 BAL2902 AB 50 3.3 83
Show 17504+0433 BAL2902 AC 50 21.6 83
Show 17500+0520 STF2227 110 15.1 84
Show 17494+0534 TDS 886 298 2.1 85
Show 18008+0518 TDT 634 252 1.6 87
Show 17599+0435 GRV 972 27.1 88
Show 17490+0458 STF2223 210 18.5 93
Show 17488+0542 CVR 207 219 14.0 95
Show 17503+0415 HJ 855 80 19.7 96
Show 18003+0422 WSI 65 216 0.1 99
Show 17539+0701 HEI 865 357 1.7 102
Show 17581+0651 GWP2748 38 13.2 102
Show 18015+0448 OSO 92 AB 145 18.0 103
Show 18015+0448 OSO 92 AC 318 22.5 103
Show 17516+0350 BAL2457 107 10.2 104
Show 18007+0627 GRV1260 147 18.8 109
Show 17496+0404 DAM 96 229 7.2 112
Show 17475+0530 UC 3408 312 54.3 112
Show 17493+0406 DAM 95 179 4.5 113
Show 17493+0404 BAL2899 190 3.1 114
Show 17543+0328 A 2188 167 0.1 114
Show 17482+0616 J 2116 BC 298 5.9 116
Show 17482+0616 J 2116 AB 30 48.9 116
Show 17540+0324 BAL2460 113 13.0 119
Show 17470+0526 DCH 114 118 1.9 120
Show 17579+0328 J 1333 352 2.8 120
Show 17560+0320 J 1332 32 2.5 121
Show 17470+0542 STF2216 27 27.3 121

 
 
WDS 17550+0521 : COMPONENTS
 
 
  A
B pa=197.3°
sep=3.83"
 
 
17550+0521 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 175458.87+052052.3 Mag 9.6 PmRA 7.00
PmDE 3.0 Tycho2 0425-01043-1
Tycho2
Tycho2 0425-01043-1 Pflag RAmdeg 268.74530611 DEmdeg 5.34788774
PmRA 6.4 PmDE 6.6 E RAmdeg 25 E DEmdeg 30
E pmRA 2.6 E pmDE 2.5 EpRAm 1990.54 EpDEm 1989.73
Num 3 Q RAmdeg 0.5 Q DEmdeg 0.8 Q pmRA 0.5
Q pmDE 0.8 BTmag 10.468 E BTmag 0.048 VTmag 9.819
E VTmag 0.038 Prox 999 TYC T HIP
CCDM RAdeg 268.74529111 DEdeg 5.34787222 EpRA 1990 1.68
EpDE 1990 1.52 E RAdeg 24.5 E DEdeg 30.0 Posflg
Corr -0.2
 
 
17550+0521 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175458.79+052048.6 Mag 11.4 Calc delta mag 1.8
Calc coord yes