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Doubles in session


Current system
20411+2751
TDT 2471
HD 340775


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

20411+2751 TDT 2471 (HD 340775)

 
 
20h 41m 05.76s +27° 50' 57.8" P.A. 2.00 sep 0.2 mag 11.23,12.16
 
 
Coord 2000 20411+2751 Discov num TDT2471 Comp Coord arcsec 2000 20 41 05.76 +27 50 57.8
Date first 1991 Date last 2016 Obs 2
Pa first 13 Pa last 2.4 P.A. Now (θ) 2.4°
Sep first 0.8 Sep last 0.24 Sep. Now (ρ) 0.24"
Mag pri 11.23 Mag sec 12.16 delta mag (ΔM) 0.93 Spectral class
Pri motion ra +006 Sec motion ra +006
Pri motion dec +004 Sec motion dec +004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 340775 Constellation Vulpecula Tycho2 2178-00154-1 Gaia DR2 1856556620811559680
HD 340775
 
 
WDS 20411+2751 TDT 2471 (HD 340775) : 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
20411+2751 TDT2471 1991 1 13 0.8 11.23 12.16 204105.76+275057.8
20411+2751 TDT2471 2016 2 2 0.2 11.23 12.16 204105.76+275057.8

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

 
 
WDS 20411+2751 TDT 2471 (HD 340775) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20411+2751 TDT 2471 (HD 340775) : MEASURES
 
 
No records found.

 
 
WDS 20411+2751 (HD 340775) : VIRTUAL EYEPIECE
 
 

20411+2751 TDT2471A mag 11.23 20411+2751 TDT2471B sep 0.2 P.A. 2.10 mag 12.16 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20411+2751 (HD 340775) : ALADIN DSS IMAGE @ 20h 41m 05.76s +27° 50' 57.8"
 
 
 
 
WDS 20411+2751 TDT 2471 (HD 340775) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20411+2751 TDT2471 distance=0' 20399+2753 MLB 613 distance=16' 20429+2754 MLB 709 distance=24' 20429+2732 J 513 distance=31' 20382+2806 MLB 612 distance=42' 20393+2714 HJ 1557AB distance=43' 20393+2714 TDT2454Ba,Bb distance=43' 20400+2835 TDS1088 distance=47' 20412+2703 COU1038AB distance=49' 20412+2703 KPP4398AC distance=49' 20391+2710 CVR 228 distance=50' 20423+2837 HJ 1561 distance=51' 20425+2704 TDT2484 distance=51' 20435+2709 TDT2500 distance=54' 20407+2848 MLB 533 distance=60' 20387+2701 TDT2447 distance=60' 20448+2825 AG 411 distance=61' 20422+2852 MLB 664 distance=64' 20368+2823 MLB 482 distance=66' 20371+2830 TDT2426AB distance=66' 20430+2649 BUP 216 distance=68' 20447+2703 TDT2515 distance=68' 20461+2740 TDT2527 distance=68' 20359+2756 TDT2406 distance=69' 20373+2703 TDS1086 distance=70' 20463+2740 MLB 712AB distance=71' 20463+2740 MLB 712AC distance=71' 20463+2740 BRT3362CD distance=71' 20357+2754 HJ 1544 distance=72' 20357+2741 BRT3359 distance=73' 20374+2847 MLB 483 distance=75' 20355+2739 COU1171 distance=76' 20401+2906 TDT2458 distance=77' 20445+2856 MLB 710 distance=77' 20393+2906 HO 136 distance=79' 20349+2757 GRV 358 distance=82' 20350+2754 FOX 95 distance=82' 20447+2857 TDT2514 distance=82' 20385+2909 HO 458 distance=85' 20387+2910 L 69 distance=85' 20402+2916 FMR 160 distance=86' 20474+2808 BRT3363 distance=86' 20367+2649 J 3097 distance=87' 20449+2640 STJ 56 distance=88' 20413+2922 ARY 29 distance=91' 20391+2624 J 570 distance=92' 20463+2853 TDT2530 distance=93' 20349+2833 MLB 708 distance=93' 20481+2753 ES 510BC distance=93' 20481+2753 ES 510AB distance=94' 20411+2925 ES 508AB distance=95' 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 20411+2751 TDT2471 2 0.2
Show 20399+2753 MLB 613 143 8.2 16
Show 20429+2754 MLB 709 323 2.7 24
Show 20429+2732 J 513 163 4.0 31
Show 20382+2806 MLB 612 168 6.6 42
Show 20393+2714 HJ 1557 AB 207 13.1 43
Show 20393+2714 TDT2454 Ba,Bb 46 0.9 43
Show 20400+2835 TDS1088 153 0.9 47
Show 20412+2703 COU1038 AB 90 1.2 49
Show 20412+2703 KPP4398 AC 215 43.4 49
Show 20391+2710 CVR 228 320 43.3 50
Show 20423+2837 HJ 1561 275 9.4 51
Show 20425+2704 TDT2484 199 0.5 51
Show 20435+2709 TDT2500 353 2.2 54
Show 20407+2848 MLB 533 269 3.4 60
Show 20387+2701 TDT2447 164 0.6 60
Show 20448+2825 AG 411 20 2.9 61
Show 20422+2852 MLB 664 172 4.7 64
Show 20368+2823 MLB 482 269 8.5 66
Show 20371+2830 TDT2426 AB 259 2.6 66
Show 20430+2649 BUP 216 97 65.2 68
Show 20447+2703 TDT2515 278 0.4 68
Show 20461+2740 TDT2527 94 2.0 68
Show 20359+2756 TDT2406 170 0.5 69
Show 20373+2703 TDS1086 315 1.7 70
Show 20463+2740 MLB 712 AB 43 8.5 71
Show 20463+2740 MLB 712 AC 126 24.1 71
Show 20463+2740 BRT3362 CD 84 6.3 71
Show 20357+2754 HJ 1544 226 8.7 72
Show 20357+2741 BRT3359 268 4.3 73
Show 20374+2847 MLB 483 69 8.6 75
Show 20355+2739 COU1171 103 0.5 76
Show 20401+2906 TDT2458 197 2.4 77
Show 20445+2856 MLB 710 180 7.6 77
Show 20393+2906 HO 136 358 2.6 79
Show 20349+2757 GRV 358 72 17.8 82
Show 20350+2754 FOX 95 195 4.1 82
Show 20447+2857 TDT2514 130 1.8 82
Show 20385+2909 HO 458 101 2.3 85
Show 20387+2910 L 69 89 3.0 85
Show 20402+2916 FMR 160 215 59.7 86
Show 20474+2808 BRT3363 159 4.0 86
Show 20367+2649 J 3097 64 5.7 87
Show 20449+2640 STJ 56 251 0.8 88
Show 20413+2922 ARY 29 143 119.3 91
Show 20391+2624 J 570 82 4.9 92
Show 20463+2853 TDT2530 27 0.6 93
Show 20349+2833 MLB 708 306 3.9 93
Show 20481+2753 ES 510 BC 229 8.9 93
Show 20481+2753 ES 510 AB 337 43.9 94
Show 20411+2925 ES 508 AB 232 2.5 95

 
 
WDS 20411+2751 : COMPONENTS
 
 
  A
B pa=2.1°
sep=0.24"
 
 
20411+2751 A
 
 
Componente originario normalizzato AB Name HD 340775 Coord arcsec 2000 204105.76+275057.8 Mag 11.23
PmRA 6.00 PmDE 4.0 Tycho2 2178-00154-1 HD 340775
Tycho2
Tycho2 2178-00154-1 Pflag RAmdeg 310.27399894 DEmdeg 27.84944220
PmRA 6.0 PmDE 4.0 E RAmdeg 29 E DEmdeg 28
E pmRA 2.2 E pmDE 2.1 EpRAm 1986.34 EpDEm 1986.46
Num 4 Q RAmdeg 0.7 Q DEmdeg 1.2 Q pmRA 0.7
Q pmDE 1.3 BTmag 11.580 E BTmag 0.060 VTmag 10.965
E VTmag 0.056 Prox 621 TYC T HIP
CCDM RAdeg 310.27398778 DEdeg 27.84944333 EpRA 1990 1.69
EpDE 1990 1.67 E RAdeg 37.8 E DEdeg 36.6 Posflg
Corr 0.0
 
 
20411+2751 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204105.76+275058.0 Mag 12.16 PmRA 6.00
PmDE 4.0 Calc delta mag 0.93 Calc coord yes