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Current system
18393+2731
TDT 976


Nearby doubles
27' : 18386+2706
HJ 1333

30' : 18398+2800
COU 640AB

34' : 18408+2703
SLE 362

39' : 18422+2739
STF2371

43' : 18380+2653
TDT 964

43' : 18421+2753
TDT1009

44' : 18421+2707
SLE 363AB

44' : 18411+2808
SLE 104

50' : 18383+2818
SLE 361

52' : 18355+2735
KPP1647

54' : 18388+2823
SLE 103

56' : 18379+2823
AG 362

57' : 18435+2743
STF2374AB

57' : 18414+2820
TDT 999

58' : 18406+2636
COU 641

62' : 18349+2717
COU 639

64' : 18441+2728
RAO 397

67' : 18443+2720
TDS 941

67' : 18349+2701
ES 477

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TVB 8

73' : 18384+2842
STF2356

74' : 18429+2636
KPP1310

75' : 18412+2622
COU 642

76' : 18404+2845
MLB 466AB

77' : 18387+2847
L 25

78' : 18413+2844
MMA 16



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

18393+2731 TDT 976

 
 
18h 39m 20.43s +27° 30' 51.5" P.A. 80.00 sep 0.9 mag 11.54,12.24
 
 
Coord 2000 18393+2731 Discov num TDT 976 Comp Coord arcsec 2000 18 39 20.43 +27 30 51.5
Date first 1991 Date last 1991 Obs 1
Pa first 80 Pa last 80.4 P.A. Now (θ) 80.4°
Sep first 0.9 Sep last 0.92 Sep. Now (ρ) 0.92"
Mag pri 11.54 Mag sec 12.24 delta mag (ΔM) 0.7 Spectral class
Pri motion ra -011 Sec motion ra -011
Pri motion dec -038 Sec motion dec -038
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Tycho2 2115-01497-1 Gaia DR2 4538931819349003392
 
 
WDS 18393+2731 TDT 976 : 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
18393+2731 TDT 976 1991 1 80 0.9 11.54 12.24 183920.43+273051.5

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

 
 
WDS 18393+2731 TDT 976 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18393+2731 TDT 976 : MEASURES
 
 
No records found.

 
 
WDS 18393+2731 : VIRTUAL EYEPIECE
 
 

18393+2731 TDT 976A mag 11.54 18393+2731 TDT 976B sep 0.8 P.A. 79.20 mag 12.24 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 18393+2731 : ALADIN DSS IMAGE @ 18h 39m 20.43s +27° 30' 51.5"
 
 
 
 
WDS 18393+2731 TDT 976 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18393+2731 TDT 976 distance=0' 18386+2706 HJ 1333 distance=27' 18398+2800 SLE 97AC distance=30' 18398+2800 COU 640AB distance=30' 18408+2703 SLE 362 distance=34' 18422+2739 STF2371 distance=39' 18380+2653 TDT 964 distance=43' 18421+2753 TDT1009 distance=43' 18421+2707 SLE 363AB distance=44' 18421+2707 SLE 363AC distance=44' 18411+2808 SLE 104 distance=44' 18383+2818 SLE 361 distance=50' 18355+2735 KPP1647 distance=52' 18388+2823 SLE 103 distance=54' 18379+2823 AG 362 distance=56' 18435+2743 STF2374AB distance=57' 18435+2743 STF2374AC distance=57' 18414+2820 TDT 999 distance=57' 18406+2636 COU 641 distance=58' 18349+2717 COU 639 distance=62' 18441+2728 RAO 397 distance=64' 18443+2720 TDS 941 distance=67' 18349+2701 ES 477 distance=67' 18446+2727 TVB 8 distance=71' 18384+2842 STF2356 distance=73' 18429+2636 KPP1310 distance=74' 18412+2622 COU 642 distance=75' 18404+2845 MLB 466AB distance=76' 18404+2845 SLE 96AD distance=76' 18404+2845 SLE 96AE distance=76' 18404+2845 MLB 466AC distance=76' 18404+2845 MLB 466BC distance=77' 18387+2847 L 25 distance=77' 18413+2844 MMA 16 distance=78' 18448+2704 TDT1029 distance=78' 18373+2845 SLE 99 distance=79' 18446+2819 SLE 365 distance=85' 18338+2816 MLB 568 distance=87' 18387+2858 L 53 distance=88' 18460+2720 HJ 1343 distance=88' 18456+2759 TDT1037 distance=89' 18459+2719 PHL9001 distance=89' 18353+2842 OSO 101AB distance=89' 18353+2842 OSO 101AC distance=89' 18353+2842 OSO 101AD distance=89' 18353+2842 OSO 101AE distance=89' 18353+2842 OSO 101AF distance=89' 18422+2851 LDS4795 distance=90' 18461+2734 SLE 366 distance=90' 18349+2840 LDS4791 distance=90' 18350+2844 STF2344 distance=93' 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 18393+2731 TDT 976 80 0.9
Show 18386+2706 HJ 1333 226 2.9 27
Show 18398+2800 SLE 97 AC 60 10.1 30
Show 18398+2800 COU 640 AB 90 0.4 30
Show 18408+2703 SLE 362 99 8.0 34
Show 18422+2739 STF2371 56 10.0 39
Show 18380+2653 TDT 964 206 0.8 43
Show 18421+2753 TDT1009 264 0.5 43
Show 18421+2707 SLE 363 AB 109 10.6 44
Show 18421+2707 SLE 363 AC 92 17.3 44
Show 18411+2808 SLE 104 198 9.8 44
Show 18383+2818 SLE 361 8 19.9 50
Show 18355+2735 KPP1647 334 12.7 52
Show 18388+2823 SLE 103 13 8.4 54
Show 18379+2823 AG 362 341 28.7 56
Show 18435+2743 STF2374 AB 40 13.4 57
Show 18435+2743 STF2374 AC 358 150.6 57
Show 18414+2820 TDT 999 147 1.8 57
Show 18406+2636 COU 641 56 0.6 58
Show 18349+2717 COU 639 268 0.7 62
Show 18441+2728 RAO 397 326 3.5 64
Show 18443+2720 TDS 941 92 0.8 67
Show 18349+2701 ES 477 227 10.2 67
Show 18446+2727 TVB 8 334 10.7 71
Show 18384+2842 STF2356 63 1.0 73
Show 18429+2636 KPP1310 46 10.0 74
Show 18412+2622 COU 642 320 2.3 75
Show 18404+2845 MLB 466 AB 351 42.6 76
Show 18404+2845 SLE 96 AD 53 35.5 76
Show 18404+2845 SLE 96 AE 280 67.2 76
Show 18404+2845 MLB 466 AC 346 45.0 76
Show 18404+2845 MLB 466 BC 289 4.6 77
Show 18387+2847 L 25 252 1.3 77
Show 18413+2844 MMA 16 8 12.4 78
Show 18448+2704 TDT1029 107 0.5 78
Show 18373+2845 SLE 99 317 4.5 79
Show 18446+2819 SLE 365 261 8.1 85
Show 18338+2816 MLB 568 207 3.8 87
Show 18387+2858 L 53 21 8.3 88
Show 18460+2720 HJ 1343 118 7.9 88
Show 18456+2759 TDT1037 98 0.5 89
Show 18459+2719 PHL9001 129 14.1 89
Show 18353+2842 OSO 101 AB 321 9.7 89
Show 18353+2842 OSO 101 AC 121 11.1 89
Show 18353+2842 OSO 101 AD 132 15.3 89
Show 18353+2842 OSO 101 AE 88 17.8 89
Show 18353+2842 OSO 101 AF 49 24.5 89
Show 18422+2851 LDS4795 163 132.8 90
Show 18461+2734 SLE 366 337 10.0 90
Show 18349+2840 LDS4791 77 15.6 90
Show 18350+2844 STF2344 175 1.5 93

 
 
WDS 18393+2731 : COMPONENTS
 
 
  A
B pa=79.2°
sep=0.82"
 
 
18393+2731 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 183920.43+273051.5 Mag 11.54 PmRA -11.00
PmDE -38.0 Tycho2 2115-01497-1
Tycho2
Tycho2 2115-01497-1 Pflag RAmdeg 279.83517940 DEmdeg 27.51431385
PmRA -10.6 PmDE -38.2 E RAmdeg 47 E DEmdeg 48
E pmRA 2.6 E pmDE 2.5 EpRAm 1987.32 EpDEm 1987.20
Num 4 Q RAmdeg 1.7 Q DEmdeg 0.2 Q pmRA 1.7
Q pmDE 0.2 BTmag 12.832 E BTmag 0.221 VTmag 11.312
E VTmag 0.080 Prox 999 TYC HIP
CCDM RAdeg 279.83522278 DEdeg 27.51439944 EpRA 1990 1.56
EpDE 1990 1.68 E RAdeg 65.0 E DEdeg 56.6 Posflg
Corr 0.0
 
 
18393+2731 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183920.49+273051.7 Mag 12.24 PmRA -11.00
PmDE -38.0 Calc delta mag 0.7 Calc coord yes