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Doubles in session


Current system
20539+0620
TDS 1107


Nearby doubles
7' : 20540+0614
TDT2616

12' : 20533+0627
TDT2607

23' : 20546+0641
SLN 86

31' : 20543+0650
TDT2621

31' : 20533+0551
UC 4318

38' : 20556+0649
TDT2635

40' : 20554+0653
BRT2188

40' : 20559+0646
NSN 739

43' : 20511+0623
STF2730

47' : 20519+0544
A 613

56' : 20566+0659
TDT2649

56' : 20529+0529
GCB 60

56' : 20561+0535
TDT2642

57' : 20560+0708
GWP3020

58' : 20527+0527
J 572

63' : 20527+0720
STF2733

65' : 20526+0517
GCB 75

68' : 20514+0524
TOB 313

70' : 20539+0730
TDT2613

71' : 20511+0526
GCB 59

71' : 20552+0729
GWP3017

73' : 20583+0654
KPP 481

76' : 20500+0533
STTA210AB

76' : 20588+0600
UC 4347

77' : 20562+0728
LDS4861

77' : 20496+0538
GWP3002



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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20539+0620 TDS 1107

 
 
20h 53m 55.34s +06° 20' 10.1" P.A. 110.00 sep 1.6 mag 9.68,12.13 Sp K0
 
 
Coord 2000 20539+0620 Discov num TDS1107 Comp Coord arcsec 2000 20 53 55.34 +06 20 10.1
Date first 1991 Date last 1991 Obs 1
Pa first 110 Pa last 109.7 P.A. Now (θ) 109.7°
Sep first 1.6 Sep last 1.622 Sep. Now (ρ) 1.622"
Mag pri 9.68 Mag sec 12.13 delta mag (ΔM) 2.45 Spectral class K0 (yellow-orange)
Pri motion ra +005 Sec motion ra +005
Pri motion dec -015 Sec motion dec -015
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 0525-01730-1 Gaia DR2 1737288333926332160
 
 
WDS 20539+0620 TDS 1107 : 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
20539+0620 TDS1107 1991 1 110 1.6 9.68 12.13 205355.34+062010.1

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

 
 
WDS 20539+0620 TDS 1107 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20539+0620 TDS 1107 : MEASURES
 
 
No records found.

 
 
WDS 20539+0620 : VIRTUAL EYEPIECE
 
 

20539+0620 TDS1107A mag 9.68 Sp K0 20539+0620 TDS1107B sep 1.6 P.A. 109.80 mag 12.13 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 20539+0620 : ALADIN DSS IMAGE @ 20h 53m 55.34s +06° 20' 10.1"
 
 
 
 
WDS 20539+0620 TDS 1107 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20539+0620 TDS1107 distance=0' 20540+0614 TDT2616 distance=7' 20533+0627 TDT2607 distance=12' 20546+0641 SLN 86 distance=23' 20543+0650 TDT2621 distance=31' 20533+0551 UC 4318 distance=31' 20556+0649 TDT2635 distance=38' 20554+0653 BRT2188 distance=40' 20559+0646 NSN 739 distance=40' 20511+0623 STF2730 distance=43' 20519+0544 A 613 distance=47' 20566+0659 TDT2649 distance=56' 20529+0529 GCB 60 distance=56' 20561+0535 TDT2642 distance=56' 20560+0708 GWP3020 distance=57' 20527+0527 J 572 distance=58' 20527+0720 STF2733 distance=63' 20526+0517 GCB 75 distance=65' 20514+0524 TOB 313 distance=68' 20539+0730 TDT2613 distance=70' 20511+0526 GCB 59 distance=71' 20552+0729 GWP3017 distance=71' 20583+0654 KPP 481 distance=73' 20500+0533 STTA210BC distance=76' 20500+0533 STTA210AB distance=76' 20588+0600 UC 4347 distance=76' 20562+0728 LDS4861 distance=77' 20496+0538 GWP3002 distance=77' 20516+0734 A 612 distance=82' 20487+0706 J 3223 distance=90' 20478+0600 BU 65 distance=94' 20516+0747 SKF1868 distance=94' 20586+0723 J 1715 distance=95' 20478+0555 TDT2543 distance=95' 20506+0453 BAL2974 distance=102' 20488+0512 J 2321AB distance=102' 20488+0512 OSO 135AC distance=102' 21006+0554 GRV 403 distance=104' 20492+0502 HDS2967 distance=106' 20559+0435 UC 4332 distance=110' 20557+0432 STF2735 distance=112' 20464+0618 TDT2533 distance=113' 20582+0447 AG 268 distance=113' 20516+0431 KPP1501 distance=115' 21010+0704 HEI 821 distance=115' 20530+0427 TDT2603 distance=115' 21001+0731 KUI 102 distance=116' 20501+0802 GWP3003 distance=117' 20584+0757 ARY 68 distance=118' 21014+0542 ELP 47 distance=118' 20580+0804 ARY 67 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 20539+0620 TDS1107 110 1.6
Show 20540+0614 TDT2616 100 0.4 7
Show 20533+0627 TDT2607 281 0.6 12
Show 20546+0641 SLN 86 160 4.8 23
Show 20543+0650 TDT2621 4 1.7 31
Show 20533+0551 UC 4318 168 33.0 31
Show 20556+0649 TDT2635 259 0.8 38
Show 20554+0653 BRT2188 46 4.2 40
Show 20559+0646 NSN 739 52 8.8 40
Show 20511+0623 STF2730 333 3.3 43
Show 20519+0544 A 613 324 0.7 47
Show 20566+0659 TDT2649 8 0.6 56
Show 20529+0529 GCB 60 152 6.5 56
Show 20561+0535 TDT2642 77 0.6 56
Show 20560+0708 GWP3020 179 6.7 57
Show 20527+0527 J 572 138 3.4 58
Show 20527+0720 STF2733 145 40.2 63
Show 20526+0517 GCB 75 101 3.3 65
Show 20514+0524 TOB 313 130 20.8 68
Show 20539+0730 TDT2613 69 0.6 70
Show 20511+0526 GCB 59 238 10.1 71
Show 20552+0729 GWP3017 96 132.1 71
Show 20583+0654 KPP 481 233 3.8 73
Show 20500+0533 STTA210 BC 222 12.4 76
Show 20500+0533 STTA210 AB 127 78.2 76
Show 20588+0600 UC 4347 31 40.4 76
Show 20562+0728 LDS4861 90 2.0 77
Show 20496+0538 GWP3002 247 57.2 77
Show 20516+0734 A 612 7 2.0 82
Show 20487+0706 J 3223 307 2.7 90
Show 20478+0600 BU 65 200 1.5 94
Show 20516+0747 SKF1868 313 57.7 94
Show 20586+0723 J 1715 125 5.2 95
Show 20478+0555 TDT2543 263 0.6 95
Show 20506+0453 BAL2974 42 3.7 102
Show 20488+0512 J 2321 AB 151 6.6 102
Show 20488+0512 OSO 135 AC 158 16.6 102
Show 21006+0554 GRV 403 116 33.5 104
Show 20492+0502 HDS2967 190 0.4 106
Show 20559+0435 UC 4332 60 52.9 110
Show 20557+0432 STF2735 282 2.0 112
Show 20464+0618 TDT2533 230 0.7 113
Show 20582+0447 AG 268 287 12.5 113
Show 20516+0431 KPP1501 50 11.3 115
Show 21010+0704 HEI 821 90 2.9 115
Show 20530+0427 TDT2603 281 1.7 115
Show 21001+0731 KUI 102 191 0.2 116
Show 20501+0802 GWP3003 228 21.2 117
Show 20584+0757 ARY 68 339 112.4 118
Show 21014+0542 ELP 47 25 6.3 118
Show 20580+0804 ARY 67 1 152.9 121

 
 
WDS 20539+0620 : COMPONENTS
 
 
  A
B pa=109.8°
sep=1.61"
 
 
20539+0620 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205355.34+062010.1 Mag 9.68 Spectral class K0 (yellow-orange)
PmRA 5.00 PmDE -15.0 Tycho2 0525-01730-1
Tycho2
Tycho2 0525-01730-1 Pflag P RAmdeg 313.48059524 DEmdeg 6.33615081
PmRA 4.5 PmDE -15.2 E RAmdeg 14 E DEmdeg 20
E pmRA 2.0 E pmDE 1.9 EpRAm 1991.14 EpDEm 1990.04
Num 4 Q RAmdeg 0.4 Q DEmdeg 1.3 Q pmRA 0.4
Q pmDE 1.3 BTmag 10.928 E BTmag 0.041 VTmag 9.677
E VTmag 0.022 Prox 16 TYC T HIP
CCDM RAdeg 313.48054167 DEdeg 6.33620278 EpRA 1990 1.72
EpDE 1990 1.36 E RAdeg 14.0 E DEdeg 19.8 Posflg D
Corr 0.1
 
 
20539+0620 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205355.44+062009.6 Mag 12.13 PmRA 5.00
PmDE -15.0 Tycho2 0525-01730-2 Calc delta mag 2.45 Calc coord yes
Tycho2
Tycho2 0525-01730-2 Pflag P RAmdeg 313.48059524 DEmdeg 6.33615081
PmRA 4.5 PmDE -15.2 E RAmdeg 14 E DEmdeg 20
E pmRA 2.0 E pmDE 1.9 EpRAm 1991.14 EpDEm 1990.04
Num 4 Q RAmdeg 0.4 Q DEmdeg 1.3 Q pmRA 0.4
Q pmDE 1.3 BTmag 12.665 E BTmag 0.206 VTmag 12.134
E VTmag 0.179 Prox 16 TYC HIP
CCDM RAdeg 313.48096833 DEdeg 6.33605083 EpRA 1990 1.71
EpDE 1990 1.37 E RAdeg 70.4 E DEdeg 99.3 Posflg D
Corr 0.1