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Doubles in session


Current system
20490+2932
BRT 51 BC


Nearby doubles
7' : 20489+2939
TDT2559

12' : 20487+2943
TDT2556

19' : 20501+2923
BAG 28AB

22' : 20492+2911
TDT2561

26' : 20493+2957
TDS1102

38' : 20483+3009
TDT2551

42' : 20461+2916
MLB 711

46' : 20522+2917
KU 129AB

48' : 20475+3016
COU1176

49' : 20519+3002
TDT2587

53' : 20463+2853
TDT2530

53' : 20494+2840
CBL 86

54' : 20529+2920
BOW9002AB

57' : 20506+3024
STT 415

59' : 20531+2909
STT 417AB

60' : 20483+2832
GRV 382

65' : 20531+2856
MLB 535

65' : 20451+3014
ES 367

66' : 20447+2857
TDT2514

68' : 20497+2825
MLB 534

70' : 20523+2839
BRT 52

70' : 20445+2856
MLB 710

72' : 20435+2930
NSN 735

73' : 20448+3022
AG 410

74' : 20496+2819
GRV 385

74' : 20439+3005
TDS1097



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.

20490+2932 BRT 51 BC

 
 
20h 48m 57.23s +29° 32' 17.1" P.A. 128.00 sep 4.6 mag 10.60,11.80
 
 
Coord 2000 20490+2932 Discov num BRT  51 Comp BC Coord arcsec 2000 20 48 57.23 +29 32 17.1
Date first 1894 Date last 2015 Obs 7
Pa first 121 Pa last 127.5 P.A. Now (θ) 127.5°
Sep first 5.7 Sep last 4.562 Sep. Now (ρ) 4.562"
Mag pri 10.60 Mag sec 11.80 delta mag (ΔM) 1.2 Spectral class
Pri motion ra -018 Sec motion ra
Pri motion dec +168 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20490+2932 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 335167 89164 20 48 57 +29 32 10 BRT 51 AB 2018 10 355 6.9 9.20 10.60 1.40
Show 89164 20 48 57 +29 32 10 BRT 51 AC 2018 8 37 5.1 9.20 11.80 2.60
Show 20 48 57 +29 32 17 BRT 51 BC 2015 7 128 4.6 10.60 11.80 1.20 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1858269763011419648
 
 
WDS 20490+2932 BRT 51 BC : 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
20490+2932 BRT 51 BC 1999 5 126 4.8 10.20 11.30 D 204857.23+293217.1
20490+2932 BRT 51 BC 2009 6 127 4.6 10.20 11.30 D 204857.23+293217.1
20490+2932 BRT 51 BC 2015 7 128 4.6 10.60 11.80 204857.23+293217.1

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

 
 
WDS 20490+2932 BRT 51 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20490+2932 BRT 51 BC : MEASURES
 
 
No records found.

 
 
WDS 20490+2932 : VIRTUAL EYEPIECE
 
 

20490+2932 BRT 51A mag 9.2 Sp A3 20490+2932 BRT 51B sep 6.7 P.A. 354.40 mag 10.6 20490+2932 BRT 51C sep 4.8 P.A. 33.40 mag 11.8 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 20490+2932 : ALADIN DSS IMAGE @ 20h 48m 57.23s +29° 32' 17.1"
 
 
 
 
WDS 20490+2932 BRT 51 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20490+2932 BRT 51BC distance=0' 20490+2932 BRT 51AB distance=1' 20490+2932 BRT 51AC distance=1' 20489+2939 TDT2559 distance=7' 20487+2943 TDT2556 distance=12' 20501+2923 BAG 28AB distance=19' 20501+2923 HLA 29AC distance=19' 20492+2911 TDT2561 distance=22' 20493+2957 TDS1102 distance=26' 20483+3009 TDT2551 distance=38' 20461+2916 MLB 711 distance=42' 20522+2917 KU 129AB distance=46' 20522+2917 KU 129AC distance=46' 20475+3016 COU1176 distance=48' 20519+3002 TDT2587 distance=49' 20463+2853 TDT2530 distance=53' 20494+2840 CBL 86 distance=53' 20529+2920 BOW9002AB distance=54' 20529+2920 DAM 295AC distance=54' 20506+3024 STT 415 distance=57' 20531+2909 STT 417AB distance=59' 20531+2909 STT 417AB,C distance=59' 20483+2832 GRV 382 distance=60' 20531+2856 MLB 535 distance=65' 20451+3014 ES 367 distance=65' 20447+2857 TDT2514 distance=66' 20497+2825 MLB 534 distance=68' 20523+2839 BRT 52 distance=70' 20445+2856 MLB 710 distance=70' 20435+2930 NSN 735 distance=72' 20448+3022 AG 410 distance=73' 20496+2819 GRV 385 distance=74' 20439+3005 TDS1097 distance=74' 20539+2856 GRV 392 distance=75' 20484+3049 TDT2552 distance=77' 20523+3038 LDS6417 distance=79' 20525+3040 TDT2594 distance=83' 20538+3029 J 3117 distance=83' 20456+3043 STF2726 distance=83' 20506+3055 BU 67AB distance=86' 20506+3055 GII 293Aa,Ab distance=86' 20478+3057 ES 368 distance=86' 20448+2825 AG 411 distance=87' 20474+2808 BRT3363 distance=87' 20422+2939 COU1175 distance=88' 20422+2852 MLB 664 distance=98' 20515+3104 NSN 737AB distance=98' 20515+3104 RAO 676AC distance=98' 20563+2954 J 1779 distance=98' 20492+3111 LDS2930 distance=99' 20481+2753 ES 510BC distance=100' 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 20490+2932 BRT 51 BC 128 4.6
Show 20490+2932 BRT 51 AB 355 6.9 1
Show 20490+2932 BRT 51 AC 37 5.1 1
Show 20489+2939 TDT2559 176 0.5 7
Show 20487+2943 TDT2556 280 0.8 12
Show 20501+2923 BAG 28 AB 332 1.0 19
Show 20501+2923 HLA 29 AC 336 6.9 19
Show 20492+2911 TDT2561 5 3.5 22
Show 20493+2957 TDS1102 19 1.1 26
Show 20483+3009 TDT2551 41 3.2 38
Show 20461+2916 MLB 711 39 6.2 42
Show 20522+2917 KU 129 AB 103 15.1 46
Show 20522+2917 KU 129 AC 39 46.1 46
Show 20475+3016 COU1176 45 0.4 48
Show 20519+3002 TDT2587 349 1.0 49
Show 20463+2853 TDT2530 27 0.6 53
Show 20494+2840 CBL 86 317 53.7 53
Show 20529+2920 BOW9002 AB 354 9.9 54
Show 20529+2920 DAM 295 AC 37 22.2 54
Show 20506+3024 STT 415 234 3.7 57
Show 20531+2909 STT 417 AB 27 0.9 59
Show 20531+2909 STT 417 AB,C 108 30.8 59
Show 20483+2832 GRV 382 39 64.3 60
Show 20531+2856 MLB 535 2 7.1 65
Show 20451+3014 ES 367 244 6.9 65
Show 20447+2857 TDT2514 130 1.8 66
Show 20497+2825 MLB 534 134 5.3 68
Show 20523+2839 BRT 52 87 8.8 70
Show 20445+2856 MLB 710 180 7.6 70
Show 20435+2930 NSN 735 111 0.8 72
Show 20448+3022 AG 410 187 19.0 73
Show 20496+2819 GRV 385 40 51.0 74
Show 20439+3005 TDS1097 357 0.9 74
Show 20539+2856 GRV 392 3 33.8 75
Show 20484+3049 TDT2552 124 2.3 77
Show 20523+3038 LDS6417 295 228.9 79
Show 20525+3040 TDT2594 160 0.8 83
Show 20538+3029 J 3117 40 5.5 83
Show 20456+3043 STF2726 74 5.8 83
Show 20506+3055 BU 67 AB 311 1.5 86
Show 20506+3055 GII 293 Aa,Ab 137 0.1 86
Show 20478+3057 ES 368 359 3.1 86
Show 20448+2825 AG 411 20 2.9 87
Show 20474+2808 BRT3363 159 4.0 87
Show 20422+2939 COU1175 138 3.5 88
Show 20422+2852 MLB 664 172 4.7 98
Show 20515+3104 NSN 737 AB 134 1.4 98
Show 20515+3104 RAO 676 AC 22 4.5 98
Show 20563+2954 J 1779 246 2.5 98
Show 20492+3111 LDS2930 273 22.2 99
Show 20481+2753 ES 510 BC 229 8.9 100

 
 
WDS 20490+2932 : COMPONENTS
 
 
  A B
B pa=354.4°
sep=6.73"
 
C pa=33.4°
sep=4.82"
pa=128.9°
sep=4.26"
 
 
20490+2932 A
 
 
Name HD 335167 Coord arcsec 2000 204857.28+293210.4 Mag 9.2 Spectral class A3 (white)
PmRA 19.00 PmDE 1.0 SAO 89164 Tycho2 2183-00855-1
HD 335167 DM BD+29 4193
Tycho2
Tycho2 2183-00855-1 Pflag RAmdeg 312.23867634 DEmdeg 29.53623589
PmRA 19.2 PmDE 1.1 E RAmdeg 9 E DEmdeg 8
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.07 EpDEm 1991.12
Num 8 Q RAmdeg 0.6 Q DEmdeg 1.0 Q pmRA 0.6
Q pmDE 0.9 BTmag 9.367 E BTmag 0.018 VTmag 9.154
E VTmag 0.016 Prox 999 TYC T HIP
CCDM RAdeg 312.23862500 DEdeg 29.53623333 EpRA 1990 1.64
EpDE 1990 1.67 E RAdeg 8.7 E DEdeg 8.4 Posflg
Corr 0.2
SAO
SAO 89164 DelFlag RA1950 PmRA1950 0.0027
DE1950 PmDE1950 0.002 Vmag 8.7 SpType A3
Double code Source 34 CatNum 11791 DM BD+29 4193
DMcomp BDsup HD 335167 M HD 0
GC RA1950rad 5.44044469 DE1950rad 0.51225464 PmRA2000 0.0028
PmDE2000 -0.001
CCDM
Ccdm 20490+2932 RComp Comp A Note1
Note2 Discov num DRAs -2.78 DDEs 10.8
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.0 Sp A3 PmNote *
PmRA 19 PmDE 5 Dm number +29 4193 Cat1 BD
Name2 +29 2414 Cat2 AGK2/3 HD M HD
ADS BDS A14330 M ADS BDS N IDS IDS 20448N2910A
HIC
 
 
20490+2932 B
 
 
Coord arcsec 2000 204857.23+293217.1 Coord calc 204857.23+293217.1 Mag 10.6 PmRA -18.00
PmDE 168.0 Calc delta mag 1.4
CCDM
Ccdm 20490+2932 RComp Comp B Note1
Note2 Discov num BRT 51 DRAs DDEs
R dRAs Year 1897 Theta 355 Rho 6.5
Obs 2 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14330 M ADS BDS N IDS IDS 20448N2910B
HIC
 
 
20490+2932 C
 
 
Coord arcsec 2000 204857.48+293214.4 Mag 11.8 Calc delta mag 2.6 Calc coord yes
CCDM
Ccdm 20490+2932 RComp Comp C Note1
Note2 Discov num BRT 51 DRAs DDEs
R dRAs Year 1897 Theta 050 Rho 6.0
Obs 2 Vmag 11.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14330 M ADS BDS N IDS IDS 20448N2910C
HIC