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Current system
20530+0427
TDT 2603


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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20530+0427 TDT 2603

 
 
20h 53m 00.44s +04° 26' 44.5" P.A. 281.00 sep 1.7 mag 11.33,12.45
 
 
Coord 2000 20530+0427 Discov num TDT2603 Comp Coord arcsec 2000 20 53 00.44 +04 26 44.5
Date first 1991 Date last 1991 Obs 1
Pa first 281 Pa last 280.8 P.A. Now (θ) 280.8°
Sep first 1.7 Sep last 1.7 Sep. Now (ρ) 1.7"
Mag pri 11.33 Mag sec 12.45 delta mag (ΔM) 1.12 Spectral class
Pri motion ra +003 Sec motion ra +003
Pri motion dec -005 Sec motion dec -005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 0521-01861-1 Gaia DR2 1734554016009958272
 
 
WDS 20530+0427 TDT 2603 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20530+0427 TDT2603 1991 1 281 1.7 11.33 12.45 205300.44+042644.5

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

 
 
WDS 20530+0427 TDT 2603 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20530+0427 TDT 2603 : MEASURES
 
 
No records found.

 
 
WDS 20530+0427 : VIRTUAL EYEPIECE
 
 

20530+0427 TDT2603A mag 11.33 20530+0427 TDT2603B sep 1.7 P.A. 280.80 mag 12.45 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 20530+0427 : ALADIN DSS IMAGE @ 20h 53m 00.44s +04° 26' 44.5"
 
 
 
 
WDS 20530+0427 TDT 2603 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20530+0427 TDT2603 distance=0' 20525+0416 TDT2595 distance=14' 20516+0431 KPP1501 distance=22' 20541+0357 HJ 3005 distance=34' 20557+0432 STF2735 distance=41' 20513+0353 GWP3006 distance=43' 20559+0435 UC 4332 distance=45' 20506+0453 BAL2974 distance=45' 20529+0337 BAL2547 distance=51' 20564+0422 CVR 877 distance=51' 20537+0336 BAL2548 distance=53' 20526+0517 GCB 75 distance=53' 20527+0527 J 572 distance=60' 20529+0529 GCB 60 distance=61' 20514+0524 TOB 313 distance=62' 20511+0526 GCB 59 distance=65' 20492+0502 HDS2967 distance=67' 20543+0321 BAL2039 distance=69' 20484+0426 AG 267 distance=69' 20484+0407 BAL2546 distance=73' 20580+0420 UC 4346 distance=75' 20528+0311 HLD 43 distance=76' 20488+0512 J 2321AB distance=77' 20488+0512 OSO 135AC distance=77' 20525+0310 GWP3009 distance=77' 20500+0533 STTA210BC distance=79' 20551+0314 UC 4324 distance=80' 20519+0544 A 613 distance=80' 20552+0314 BAL2040 distance=80' 20500+0533 STTA210AB distance=80' 20582+0447 AG 268 distance=81' 20561+0535 TDT2642 distance=83' 20582+0356 WSI 39CD distance=84' 20582+0356 BAR 13AB distance=85' 20582+0356 BAR 13AC distance=85' 20582+0356 WSI 39AD distance=85' 20533+0551 UC 4318 distance=85' 20581+0352 BAL2550 distance=85' 20473+0426 UC 4288 distance=85' 20535+0300 HEI 819 distance=87' 20496+0538 GWP3002 distance=88' 20591+0418 STF2737BC distance=92' 20591+0418 STF2737AB distance=92' 20591+0418 STF2737AD distance=92' 20591+0418 STF2737AB,C distance=92' 20466+0344 BAL2545 distance=106' 20540+0614 TDT2616 distance=109' 20457+0430 A 2285AB distance=110' 20457+0430 A 2285AC distance=110' 21002+0406 HEI 820 distance=110' 20458+0445 BAL2971 distance=111' 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 20530+0427 TDT2603 281 1.7
Show 20525+0416 TDT2595 359 0.7 14
Show 20516+0431 KPP1501 50 11.3 22
Show 20541+0357 HJ 3005 300 30.5 34
Show 20557+0432 STF2735 282 2.0 41
Show 20513+0353 GWP3006 117 24.4 43
Show 20559+0435 UC 4332 60 52.9 45
Show 20506+0453 BAL2974 42 3.7 45
Show 20529+0337 BAL2547 220 8.5 51
Show 20564+0422 CVR 877 125 26.3 51
Show 20537+0336 BAL2548 258 7.5 53
Show 20526+0517 GCB 75 101 3.3 53
Show 20527+0527 J 572 138 3.4 60
Show 20529+0529 GCB 60 152 6.5 61
Show 20514+0524 TOB 313 130 20.8 62
Show 20511+0526 GCB 59 238 10.1 65
Show 20492+0502 HDS2967 190 0.4 67
Show 20543+0321 BAL2039 28 14.7 69
Show 20484+0426 AG 267 260 6.1 69
Show 20484+0407 BAL2546 40 9.6 73
Show 20580+0420 UC 4346 205 22.4 75
Show 20528+0311 HLD 43 9 2.2 76
Show 20488+0512 J 2321 AB 151 6.6 77
Show 20488+0512 OSO 135 AC 158 16.6 77
Show 20525+0310 GWP3009 237 76.6 77
Show 20500+0533 STTA210 BC 222 12.4 79
Show 20551+0314 UC 4324 290 9.9 80
Show 20519+0544 A 613 324 0.7 80
Show 20552+0314 BAL2040 68 8.4 80
Show 20500+0533 STTA210 AB 127 78.2 80
Show 20582+0447 AG 268 287 12.5 81
Show 20561+0535 TDT2642 77 0.6 83
Show 20582+0356 WSI 39 CD 330 13.6 84
Show 20582+0356 BAR 13 AB 87 1.6 85
Show 20582+0356 BAR 13 AC 249 20.6 85
Show 20582+0356 WSI 39 AD 280 26.4 85
Show 20533+0551 UC 4318 168 33.0 85
Show 20581+0352 BAL2550 157 3.4 85
Show 20473+0426 UC 4288 79 48.6 85
Show 20535+0300 HEI 819 135 0.2 87
Show 20496+0538 GWP3002 247 57.2 88
Show 20591+0418 STF2737 BC 66 10.6 92
Show 20591+0418 STF2737 AB 125 0.0 92
Show 20591+0418 STF2737 AD 293 69.3 92
Show 20591+0418 STF2737 AB,C 67 10.6 92
Show 20466+0344 BAL2545 281 11.8 106
Show 20540+0614 TDT2616 100 0.4 109
Show 20457+0430 A 2285 AB 222 7.7 110
Show 20457+0430 A 2285 AC 116 33.4 110
Show 21002+0406 HEI 820 65 2.3 110
Show 20458+0445 BAL2971 21 17.1 111

 
 
WDS 20530+0427 : COMPONENTS
 
 
  A
B pa=280.8°
sep=1.70"
 
 
20530+0427 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205300.44+042644.5 Mag 11.33 PmRA 3.00
PmDE -5.0 Tycho2 0521-01861-1
Tycho2
Tycho2 0521-01861-1 Pflag RAmdeg 313.25182250 DEmdeg 4.44569222
PmRA 2.5 PmDE -4.7 E RAmdeg 31 E DEmdeg 30
E pmRA 1.2 E pmDE 1.2 EpRAm 1981.18 EpDEm 1977.49
Num 7 Q RAmdeg 1.3 Q DEmdeg 2.0 Q pmRA 1.3
Q pmDE 2.0 BTmag 11.749 E BTmag 0.064 VTmag 11.190
E VTmag 0.067 Prox 999 TYC T HIP
CCDM RAdeg 313.25181139 DEdeg 4.44570639 EpRA 1990 1.79
EpDE 1990 1.52 E RAdeg 35.8 E DEdeg 45.8 Posflg
Corr -0.1
 
 
20530+0427 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205300.33+042644.8 Mag 12.45 PmRA 3.00
PmDE -5.0 Calc delta mag 1.12 Calc coord yes