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Doubles in session


Current system
20493+2957
TDS 1102
HD 335234


Nearby doubles
17' : 20487+2943
TDT2556

18' : 20483+3009
TDT2551

20' : 20489+2939
TDT2559

26' : 20490+2932
BRT 51AB

30' : 20475+3016
COU1176

33' : 20506+3024
STT 415

34' : 20519+3002
TDT2587

37' : 20501+2923
BAG 28AB

47' : 20492+2911
TDT2561

53' : 20484+3049
TDT2552

56' : 20522+2917
KU 129AB

56' : 20523+3038
LDS6417

57' : 20451+3014
ES 367

60' : 20461+2916
MLB 711

60' : 20525+3040
TDT2594

60' : 20506+3055
BU 67AB

61' : 20529+2920
BOW9002AB

63' : 20478+3057
ES 368

63' : 20448+3022
AG 410

64' : 20538+3029
J 3117

66' : 20456+3043
STF2726

70' : 20531+2909
STT 417AB

72' : 20439+3005
TDS1097

73' : 20515+3104
NSN 737AB

74' : 20492+3111
LDS2930

76' : 20463+2853
TDT2530



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.

20493+2957 TDS 1102 (HD 335234)

 
 
20h 49m 18.68s +29° 57' 25.4" P.A. 19.00 sep 1.1 mag 11.16,11.30
 
 
Coord 2000 20493+2957 Discov num TDS1102 Comp Coord arcsec 2000 20 49 18.68 +29 57 25.4
Date first 1991 Date last 2015 Obs 3
Pa first 22 Pa last 19.1 P.A. Now (θ) 19.1°
Sep first 1.1 Sep last 1.068 Sep. Now (ρ) 1.068"
Mag pri 11.16 Mag sec 11.30 delta mag (ΔM) 0.14 Spectral class
Pri motion ra -001 Sec motion ra -001
Pri motion dec +009 Sec motion dec +009
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 335234 Constellation Cygnus Tycho2 2183-00939-1 Gaia DR2 1858669229320976896
HD 335234
 
 
WDS 20493+2957 TDS 1102 (HD 335234) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
TDS Tycho Double Star (from additional DD list) ...................
TDT Tycho Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20493+2957 TDS1102 2000 2 20 1.1 11.16 11.30 204918.68+295725.4
20493+2957 TDS1102 2015 3 19 1.1 11.16 11.30 204918.68+295725.4

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

 
 
WDS 20493+2957 TDS 1102 (HD 335234) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20493+2957 TDS 1102 (HD 335234) : MEASURES
 
 
No records found.

 
 
WDS 20493+2957 (HD 335234) : VIRTUAL EYEPIECE
 
 

20493+2957 TDS1102A mag 11.16 20493+2957 TDS1102B sep 1.1 P.A. 16.70 mag 11.3 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 20493+2957 (HD 335234) : ALADIN DSS IMAGE @ 20h 49m 18.68s +29° 57' 25.4"
 
 
 
 
WDS 20493+2957 TDS 1102 (HD 335234) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20493+2957 TDS1102 distance=0' 20487+2943 TDT2556 distance=17' 20483+3009 TDT2551 distance=18' 20489+2939 TDT2559 distance=20' 20490+2932 BRT 51BC distance=26' 20490+2932 BRT 51AB distance=26' 20490+2932 BRT 51AC distance=26' 20475+3016 COU1176 distance=30' 20506+3024 STT 415 distance=33' 20519+3002 TDT2587 distance=34' 20501+2923 BAG 28AB distance=37' 20501+2923 HLA 29AC distance=37' 20492+2911 TDT2561 distance=47' 20484+3049 TDT2552 distance=53' 20522+2917 KU 129AB distance=56' 20522+2917 KU 129AC distance=56' 20523+3038 LDS6417 distance=56' 20451+3014 ES 367 distance=57' 20461+2916 MLB 711 distance=60' 20525+3040 TDT2594 distance=60' 20506+3055 BU 67AB distance=60' 20506+3055 GII 293Aa,Ab distance=60' 20529+2920 BOW9002AB distance=61' 20529+2920 DAM 295AC distance=61' 20478+3057 ES 368 distance=63' 20448+3022 AG 410 distance=63' 20538+3029 J 3117 distance=64' 20456+3043 STF2726 distance=66' 20531+2909 STT 417AB distance=70' 20531+2909 STT 417AB,C distance=70' 20439+3005 TDS1097 distance=72' 20515+3104 NSN 737AB distance=73' 20515+3104 RAO 676AC distance=73' 20492+3111 LDS2930 distance=74' 20463+2853 TDT2530 distance=76' 20493+3113 TDS1101 distance=76' 20494+2840 CBL 86 distance=78' 20531+2856 MLB 535 distance=78' 20435+2930 NSN 735 distance=81' 20535+3057 STTA212 distance=81' 20455+3102 A 1211 distance=82' 20547+3046 LDS2934 distance=84' 20447+2857 TDT2514 distance=85' 20483+2832 GRV 382 distance=86' 20539+2856 GRV 392 distance=87' 20555+3028 TDT2633 distance=87' 20487+3124 TDT2555 distance=87' 20554+3033 GRV 396 distance=88' 20523+2839 BRT 52 distance=88' 20538+3104 CLL 16 distance=89' 20445+2856 MLB 710 distance=90' 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 20493+2957 TDS1102 19 1.1
Show 20487+2943 TDT2556 280 0.8 17
Show 20483+3009 TDT2551 41 3.2 18
Show 20489+2939 TDT2559 176 0.5 20
Show 20490+2932 BRT 51 BC 128 4.6 26
Show 20490+2932 BRT 51 AB 355 6.9 26
Show 20490+2932 BRT 51 AC 37 5.1 26
Show 20475+3016 COU1176 45 0.4 30
Show 20506+3024 STT 415 234 3.7 33
Show 20519+3002 TDT2587 349 1.0 34
Show 20501+2923 BAG 28 AB 332 1.0 37
Show 20501+2923 HLA 29 AC 336 6.9 37
Show 20492+2911 TDT2561 5 3.5 47
Show 20484+3049 TDT2552 124 2.3 53
Show 20522+2917 KU 129 AB 103 15.1 56
Show 20522+2917 KU 129 AC 39 46.1 56
Show 20523+3038 LDS6417 295 228.9 56
Show 20451+3014 ES 367 244 6.9 57
Show 20461+2916 MLB 711 39 6.2 60
Show 20525+3040 TDT2594 160 0.8 60
Show 20506+3055 BU 67 AB 311 1.5 60
Show 20506+3055 GII 293 Aa,Ab 137 0.1 60
Show 20529+2920 BOW9002 AB 354 9.9 61
Show 20529+2920 DAM 295 AC 37 22.2 61
Show 20478+3057 ES 368 359 3.1 63
Show 20448+3022 AG 410 187 19.0 63
Show 20538+3029 J 3117 40 5.5 64
Show 20456+3043 STF2726 74 5.8 66
Show 20531+2909 STT 417 AB 27 0.9 70
Show 20531+2909 STT 417 AB,C 108 30.8 70
Show 20439+3005 TDS1097 357 0.9 72
Show 20515+3104 NSN 737 AB 134 1.4 73
Show 20515+3104 RAO 676 AC 22 4.5 73
Show 20492+3111 LDS2930 273 22.2 74
Show 20463+2853 TDT2530 27 0.6 76
Show 20493+3113 TDS1101 231 1.2 76
Show 20494+2840 CBL 86 317 53.7 78
Show 20531+2856 MLB 535 2 7.1 78
Show 20435+2930 NSN 735 111 0.8 81
Show 20535+3057 STTA212 155 65.7 81
Show 20455+3102 A 1211 242 3.6 82
Show 20547+3046 LDS2934 178 10.8 84
Show 20447+2857 TDT2514 130 1.8 85
Show 20483+2832 GRV 382 39 64.3 86
Show 20539+2856 GRV 392 3 33.8 87
Show 20555+3028 TDT2633 116 1.4 87
Show 20487+3124 TDT2555 188 0.9 87
Show 20554+3033 GRV 396 349 67.4 88
Show 20523+2839 BRT 52 87 8.8 88
Show 20538+3104 CLL 16 184 32.0 89
Show 20445+2856 MLB 710 180 7.6 90

 
 
WDS 20493+2957 : COMPONENTS
 
 
  A
B pa=16.7°
sep=1.05"
 
 
20493+2957 A
 
 
Componente originario normalizzato AB Name HD 335234 Coord arcsec 2000 204918.68+295725.4 Mag 11.16
PmRA -1.00 PmDE 9.0 Tycho2 2183-00939-1 HD 335234
Tycho2
Tycho2 2183-00939-1 Pflag P RAmdeg 312.32784227 DEmdeg 29.95705790
PmRA -1.4 PmDE 8.7 E RAmdeg 42 E DEmdeg 36
E pmRA 2.6 E pmDE 2.5 EpRAm 1988.60 EpDEm 1989.56
Num 3 Q RAmdeg 0.3 Q DEmdeg 1.6 Q pmRA 0.3
Q pmDE 1.6 BTmag 11.944 E BTmag 0.081 VTmag 11.155
E VTmag 0.064 Prox 11 TYC T HIP
CCDM RAdeg 312.32776528 DEdeg 29.95686083 EpRA 1990 1.44
EpDE 1990 1.69 E RAdeg 47.3 E DEdeg 39.4 Posflg D
Corr -0.1
 
 
20493+2957 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204918.70+295726.4 Mag 11.3 PmRA -1.00
PmDE 9.0 Tycho2 2183-00939-2 Calc delta mag 0.14 Calc coord yes
Tycho2
Tycho2 2183-00939-2 Pflag P RAmdeg 312.32784227 DEmdeg 29.95705790
PmRA -1.4 PmDE 8.7 E RAmdeg 42 E DEmdeg 36
E pmRA 2.6 E pmDE 2.5 EpRAm 1988.60 EpDEm 1989.56
Num 3 Q RAmdeg 0.3 Q DEmdeg 1.6 Q pmRA 0.3
Q pmDE 1.6 BTmag 11.586 E BTmag 0.057 VTmag 11.301
E VTmag 0.073 Prox 11 TYC T HIP
CCDM RAdeg 312.32789250 DEdeg 29.95713861 EpRA 1990 1.44
EpDE 1990 1.69 E RAdeg 42.6 E DEdeg 35.6 Posflg D
Corr -0.1