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Current system
21017+2803
TDT 2702


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

21017+2803 TDT 2702

 
 
21h 01m 39.71s +28° 03' 07.1" P.A. 25.00 sep 2.6 mag 11.72,12.37
 
 
Coord 2000 21017+2803 Discov num TDT2702 Comp Coord arcsec 2000 21 01 39.71 +28 03 07.1
Date first 1991 Date last 1991 Obs 1
Pa first 25 Pa last 24.5 P.A. Now (θ) 24.5°
Sep first 2.6 Sep last 2.61 Sep. Now (ρ) 2.61"
Mag pri 11.72 Mag sec 12.37 delta mag (ΔM) 0.65 Spectral class
Pri motion ra -003 Sec motion ra -003
Pri motion dec -002 Sec motion dec -002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Tycho2 2180-00021-1 Gaia DR2 1845975260193633536
 
 
WDS 21017+2803 TDT 2702 : 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
21017+2803 TDT2702 1991 1 25 2.6 11.72 12.37 210139.71+280307.1

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

 
 
WDS 21017+2803 TDT 2702 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21017+2803 TDT 2702 : MEASURES
 
 
No records found.

 
 
WDS 21017+2803 : VIRTUAL EYEPIECE
 
 

21017+2803 TDT2702A mag 11.72 21017+2803 TDT2702B sep 2.6 P.A. 21.90 mag 12.37 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 21017+2803 : ALADIN DSS IMAGE @ 21h 01m 39.71s +28° 03' 07.1"
 
 
 
 
WDS 21017+2803 TDT 2702 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21017+2803 TDT2702 distance=0' 21014+2808 MLB 619 distance=6' 21020+2815 LDS2936 distance=13' 21024+2748 TOK 345 distance=18' 21023+2819 COU 524 distance=19' 21001+2801 MLB 617 distance=22' 21001+2757 MLB 618 distance=23' 20599+2813 J 3122AB distance=28' 20599+2813 DAM 225AB,C distance=28' 20599+2813 DAM 225AB,D distance=28' 21006+2829 COU1040AB distance=31' 20596+2740 MLB 616 distance=37' 21045+2807 MLB 665 distance=39' 21007+2844 BRT 54 distance=43' 21040+2841 HJ 1609AB distance=49' 21053+2807 HDS3006 distance=49' 21040+2841 HJ 1609CD distance=50' 21045+2730 J 1180 distance=51' 21029+2711 J 1223AB distance=54' 21029+2711 J 1223AC distance=54' 21054+2824 MLB 666 distance=54' 20576+2802 HJ 1599 distance=54' 21061+2801 COU 525 distance=59' 21035+2906 BU 445AB distance=67' 21035+2906 BU 445AC distance=67' 21035+2906 BU 445AD distance=67' 21035+2906 BU 445AE distance=67' 21035+2906 ARN 21AF distance=67' 21046+2902 TDT2726 distance=71' 21061+2843 LDS2939 distance=71' 21070+2816 HJ 1611 distance=72' 20562+2816 MLB 615 distance=75' 20562+2826 GRV 397 distance=76' 20559+2804 MLB 614 distance=77' 21055+2901 MLB 536 distance=78' 21007+2920 AZC 109 distance=79' 21072+2833 COU 528 distance=79' 20560+2735 HO 460AB distance=80' 20560+2735 HO 460AC distance=80' 20582+2654 COU 833 distance=83' 20565+2712 COU 832 distance=87' 20551+2808 COU 831 distance=88' 20581+2917 HO 598 distance=88' 21057+2912 GRV 416 distance=88' 20550+2805 BU 367AB distance=88' 20550+2805 A 3109AB,E distance=88' 20550+2805 BU 367AB,C distance=88' 20550+2805 BU 367AB,D distance=88' 21031+2929 OSO 139AB distance=88' 21031+2929 OSO 139AC distance=88' 21031+2929 OSO 139AD distance=88' 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 21017+2803 TDT2702 25 2.6
Show 21014+2808 MLB 619 218 5.4 6
Show 21020+2815 LDS2936 237 4.4 13
Show 21024+2748 TOK 345 119 80.2 18
Show 21023+2819 COU 524 258 1.3 19
Show 21001+2801 MLB 617 331 8.6 22
Show 21001+2757 MLB 618 339 7.3 23
Show 20599+2813 J 3122 AB 53 2.3 28
Show 20599+2813 DAM 225 AB,C 323 10.2 28
Show 20599+2813 DAM 225 AB,D 305 9.3 28
Show 21006+2829 COU1040 AB 347 1.5 31
Show 20596+2740 MLB 616 233 4.1 37
Show 21045+2807 MLB 665 326 8.4 39
Show 21007+2844 BRT 54 358 7.0 43
Show 21040+2841 HJ 1609 AB 36 8.1 49
Show 21053+2807 HDS3006 12 0.7 49
Show 21040+2841 HJ 1609 CD 193 6.1 50
Show 21045+2730 J 1180 276 4.0 51
Show 21029+2711 J 1223 AB 295 4.7 54
Show 21029+2711 J 1223 AC 134 22.1 54
Show 21054+2824 MLB 666 352 1.4 54
Show 20576+2802 HJ 1599 225 13.5 54
Show 21061+2801 COU 525 168 1.1 59
Show 21035+2906 BU 445 AB 109 4.7 67
Show 21035+2906 BU 445 AC 19 50.7 67
Show 21035+2906 BU 445 AD 317 87.3 67
Show 21035+2906 BU 445 AE 218 103.5 67
Show 21035+2906 ARN 21 AF 233 219.9 67
Show 21046+2902 TDT2726 311 0.6 71
Show 21061+2843 LDS2939 320 5.9 71
Show 21070+2816 HJ 1611 279 10.7 72
Show 20562+2816 MLB 615 200 3.6 75
Show 20562+2826 GRV 397 339 58.2 76
Show 20559+2804 MLB 614 75 8.7 77
Show 21055+2901 MLB 536 236 5.4 78
Show 21007+2920 AZC 109 324 34.8 79
Show 21072+2833 COU 528 70 1.2 79
Show 20560+2735 HO 460 AB 112 13.3 80
Show 20560+2735 HO 460 AC 257 37.7 80
Show 20582+2654 COU 833 253 2.4 83
Show 20565+2712 COU 832 261 1.3 87
Show 20551+2808 COU 831 289 1.3 88
Show 20581+2917 HO 598 125 16.2 88
Show 21057+2912 GRV 416 137 38.2 88
Show 20550+2805 BU 367 AB 224 0.1 88
Show 20550+2805 A 3109 AB,E 51 49.2 88
Show 20550+2805 BU 367 AB,C 358 38.0 88
Show 20550+2805 BU 367 AB,D 67 19.6 88
Show 21031+2929 OSO 139 AB 82 15.8 88
Show 21031+2929 OSO 139 AC 308 18.8 88
Show 21031+2929 OSO 139 AD 110 26.3 88

 
 
WDS 21017+2803 : COMPONENTS
 
 
  A
B pa=21.9°
sep=2.56"
 
 
21017+2803 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210139.71+280307.1 Mag 11.72 PmRA -3.00
PmDE -2.0 Tycho2 2180-00021-1
Tycho2
Tycho2 2180-00021-1 Pflag RAmdeg 315.41545780 DEmdeg 28.05198737
PmRA -3.0 PmDE -2.3 E RAmdeg 69 E DEmdeg 83
E pmRA 2.6 E pmDE 2.7 EpRAm 1983.36 EpDEm 1978.74
Num 3 Q RAmdeg 0.8 Q DEmdeg 0.6 Q pmRA 0.8
Q pmDE 0.6 BTmag 12.583 E BTmag 0.213 VTmag 11.825
E VTmag 0.157 Prox 999 TYC HIP
CCDM RAdeg 315.41546556 DEdeg 28.05199306 EpRA 1990 1.68
EpDE 1990 1.48 E RAdeg 71.5 E DEdeg 89.9 Posflg
Corr 0.1
 
 
21017+2803 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210139.78+280309.5 Mag 12.37 PmRA -3.00
PmDE -2.0 Calc delta mag 0.65 Calc coord yes