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Current system
20346+3009
TDT 2387


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

20346+3009 TDT 2387

 
 
20h 34m 34.32s +30° 08' 53.3" P.A. 216.00 sep 0.5 mag 11.92,12.10
 
 
Coord 2000 20346+3009 Discov num TDT2387 Comp Coord arcsec 2000 20 34 34.32 +30 08 53.3
Date first 1991 Date last 1991 Obs 1
Pa first 216 Pa last 215.5 P.A. Now (θ) 215.5°
Sep first 0.5 Sep last 0.53 Sep. Now (ρ) 0.53"
Mag pri 11.92 Mag sec 12.10 delta mag (ΔM) 0.18 Spectral class
Pri motion ra +005 Sec motion ra +005
Pri motion dec -002 Sec motion dec -002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2686-01447-1 Gaia DR2 1860800873133394816
 
 
WDS 20346+3009 TDT 2387 : 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
20346+3009 TDT2387 1991 1 216 0.5 11.92 12.10 203434.32+300853.3

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

 
 
WDS 20346+3009 TDT 2387 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20346+3009 TDT 2387 : MEASURES
 
 
No records found.

 
 
WDS 20346+3009 : VIRTUAL EYEPIECE
 
 

20346+3009 TDT2387A mag 11.92 20346+3009 TDT2387B sep 0.5 P.A. 211.70 mag 12.1 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 20346+3009 : ALADIN DSS IMAGE @ 20h 34m 34.32s +30° 08' 53.3"
 
 
 
 
WDS 20346+3009 TDT 2387 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20346+3009 TDT2387 distance=0' 20344+3004 TDT2384 distance=6' 20332+3008 BRT 281 distance=17' 20362+3010 TDT2408 distance=22' 20328+3007 TDT2356 distance=23' 20351+3031 COU1327 distance=24' 20361+2955 TDT2407 distance=24' 20340+2942 TDS1084 distance=28' 20368+2955 TDT2421 distance=33' 20368+2951 BTN 1 distance=37' 20317+3005 ARY 46AB distance=38' 20317+3005 ARY 46AC distance=38' 20371+2953 MLB 663 distance=38' 20319+3024 BRT 280 distance=39' 20374+2958 HJ 1547 distance=40' 20328+2936 TDT2357 distance=41' 20363+3044 TDT2411 distance=42' 20325+2934 TDT2347 distance=44' 20378+2951 TDT2435 distance=46' 20339+2923 MLB 481 distance=46' 20381+2958 A 743 distance=47' 20332+3052 TDT2366 distance=47' 20326+3049 TDT2349 distance=48' 20378+2943 A 742BC distance=49' 20381+2953 A 744 distance=49' 20378+2943 A 742A,BC distance=50' 20329+3056 COU1326 distance=53' 20346+2914 TDT2388Aa,Ab distance=55' 20346+2914 J 565AB distance=55' 20346+2914 J 565AC distance=55' 20316+2929 MLB 571 distance=55' 20306+3029 ES 505 distance=56' 20385+2945 COU1172 distance=57' 20300+3029 STJ 59 distance=63' 20320+2915 GRV 349 distance=63' 20330+3108 TDT2360 distance=63' 20396+3030 STF2711 distance=69' 20327+2903 ARY 27BC distance=71' 20327+2903 ARY 27BD distance=71' 20327+2903 ARY 47AB distance=71' 20291+2956 AG 406 distance=73' 20377+3112 BRT 283 distance=75' 20382+3109 AG 261 distance=76' 20294+3048 HJ 1521 distance=78' 20403+2947 STF2714 distance=78' 20385+2909 HO 458 distance=80' 20407+3007 TDT2467 distance=80' 20331+2852 ES 507AB distance=80' 20331+2852 ES 507AC distance=80' 20331+2852 ES 507AD distance=80' 20331+2852 FYM 137AE distance=80' 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 20346+3009 TDT2387 216 0.5
Show 20344+3004 TDT2384 142 0.5 6
Show 20332+3008 BRT 281 154 6.4 17
Show 20362+3010 TDT2408 177 0.4 22
Show 20328+3007 TDT2356 328 0.4 23
Show 20351+3031 COU1327 8 2.7 24
Show 20361+2955 TDT2407 124 0.5 24
Show 20340+2942 TDS1084 6 1.8 28
Show 20368+2955 TDT2421 159 0.4 33
Show 20368+2951 BTN 1 1 13.8 37
Show 20317+3005 ARY 46 AB 5 91.1 38
Show 20317+3005 ARY 46 AC 92 146.6 38
Show 20371+2953 MLB 663 265 4.3 38
Show 20319+3024 BRT 280 48 4.8 39
Show 20374+2958 HJ 1547 8 17.0 40
Show 20328+2936 TDT2357 29 0.5 41
Show 20363+3044 TDT2411 90 0.8 42
Show 20325+2934 TDT2347 309 0.4 44
Show 20378+2951 TDT2435 143 2.3 46
Show 20339+2923 MLB 481 345 4.0 46
Show 20381+2958 A 743 309 1.2 47
Show 20332+3052 TDT2366 146 0.7 47
Show 20326+3049 TDT2349 60 0.6 48
Show 20378+2943 A 742 BC 132 1.2 49
Show 20381+2953 A 744 272 0.7 49
Show 20378+2943 A 742 A,BC 343 56.8 50
Show 20329+3056 COU1326 263 0.4 53
Show 20346+2914 TDT2388 Aa,Ab 297 0.5 55
Show 20346+2914 J 565 AB 48 6.5 55
Show 20346+2914 J 565 AC 88 16.2 55
Show 20316+2929 MLB 571 261 3.4 55
Show 20306+3029 ES 505 15 2.1 56
Show 20385+2945 COU1172 100 0.3 57
Show 20300+3029 STJ 59 219 1.4 63
Show 20320+2915 GRV 349 42 33.2 63
Show 20330+3108 TDT2360 315 0.9 63
Show 20396+3030 STF2711 223 2.4 69
Show 20327+2903 ARY 27 BC 50 35.3 71
Show 20327+2903 ARY 27 BD 178 90.0 71
Show 20327+2903 ARY 47 AB 108 128.1 71
Show 20291+2956 AG 406 333 8.5 73
Show 20377+3112 BRT 283 266 4.3 75
Show 20382+3109 AG 261 154 4.3 76
Show 20294+3048 HJ 1521 194 15.4 78
Show 20403+2947 STF2714 338 6.8 78
Show 20385+2909 HO 458 101 2.3 80
Show 20407+3007 TDT2467 160 0.8 80
Show 20331+2852 ES 507 AB 295 7.1 80
Show 20331+2852 ES 507 AC 346 36.4 80
Show 20331+2852 ES 507 AD 224 36.8 80
Show 20331+2852 FYM 137 AE 101 42.6 80

 
 
WDS 20346+3009 : COMPONENTS
 
 
  A
B pa=211.7°
sep=0.51"
 
 
20346+3009 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203434.32+300853.3 Mag 11.92 PmRA 5.00
PmDE -2.0 Tycho2 2686-01447-1
Tycho2
Tycho2 2686-01447-1 Pflag RAmdeg 308.64293606 DEmdeg 30.14807372
PmRA 4.5 PmDE -1.7 E RAmdeg 36 E DEmdeg 28
E pmRA 2.3 E pmDE 2.3 EpRAm 1988.99 EpDEm 1990.17
Num 3 Q RAmdeg 0.6 Q DEmdeg 0.2 Q pmRA 0.6
Q pmDE 0.2 BTmag 11.831 E BTmag 0.052 VTmag 11.235
E VTmag 0.052 Prox 999 TYC HIP
CCDM RAdeg 308.64292361 DEdeg 30.14807750 EpRA 1990 1.71
EpDE 1990 1.81 E RAdeg 36.7 E DEdeg 28.4 Posflg P
Corr 0.3
 
 
20346+3009 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203434.30+300852.9 Mag 12.1 PmRA 5.00
PmDE -2.0 Calc delta mag 0.18 Calc coord yes