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Current system
18273+3944
TDT 881


Nearby doubles
20' : 18256+3945
COU1461

32' : 18297+3929
TDT 910

33' : 18298+3930
SLE 182

46' : 18241+4010
ES 1652

47' : 18269+4031
ES 1653

57' : 18272+3847
MLB 854

57' : 18298+4032
RAO 674

60' : 18300+4033
J 762

60' : 18323+3933
UC 3603

64' : 18233+4028
TDT 827

64' : 18272+4048
TDT 877

65' : 18310+3857
SLE 187AB

72' : 18240+3844
HO 432AB

73' : 18335+3934
SLE 208AB

73' : 18213+3920
HJ 1321

74' : 18332+4010
STT 356AB

76' : 18212+3917
COU1460

77' : 18210+3923
DAM 108

77' : 18211+3917
COU1459

77' : 18316+3846
COU1604

78' : 18309+3840
STF2338AB

79' : 18241+4054
COU1603

83' : 18310+4055
MMA 19

84' : 18217+4039
UC 3559

85' : 18329+3850
STTA171AB

87' : 18348+3939
SLE 215



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

18273+3944 TDT 881

 
 
18h 27m 16.29s +39° 44' 07.4" P.A. 4.00 sep 0.8 mag 11.11,11.76
 
 
Coord 2000 18273+3944 Discov num TDT 881 Comp Coord arcsec 2000 18 27 16.29 +39 44 07.4
Date first 1991 Date last 1991 Obs 1
Pa first 4 Pa last 4.1 P.A. Now (θ) 4.1°
Sep first 0.8 Sep last 0.78 Sep. Now (ρ) 0.78"
Mag pri 11.11 Mag sec 11.76 delta mag (ΔM) 0.65 Spectral class
Pri motion ra +003 Sec motion ra +003
Pri motion dec +028 Sec motion dec +028
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Tycho2 3108-01171-1 Gaia DR2 2108794243299550976
 
 
WDS 18273+3944 TDT 881 : 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
18273+3944 TDT 881 1991 1 4 0.8 11.11 11.76 182716.29+394407.4

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

 
 
WDS 18273+3944 TDT 881 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18273+3944 TDT 881 : MEASURES
 
 
No records found.

 
 
WDS 18273+3944 : VIRTUAL EYEPIECE
 
 

18273+3944 TDT 881A mag 11.11 18273+3944 TDT 881B sep 0.8 P.A. 3.20 mag 11.76 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 18273+3944 : ALADIN DSS IMAGE @ 18h 27m 16.29s +39° 44' 07.4"
 
 
 
 
WDS 18273+3944 TDT 881 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18273+3944 TDT 881 distance=1' 18256+3945 COU1461 distance=20' 18297+3929 TDT 910 distance=32' 18298+3930 SLE 182 distance=33' 18241+4010 ES 1652 distance=46' 18269+4031 ES 1653 distance=47' 18272+3847 MLB 854 distance=57' 18298+4032 RAO 674 distance=57' 18300+4033 J 762 distance=60' 18323+3933 UC 3603 distance=60' 18233+4028 TDT 827 distance=64' 18272+4048 TDT 877 distance=64' 18310+3857 TDT 922Aa,Ab distance=65' 18310+3857 SLE 187AB distance=65' 18310+3857 FYM 40AC distance=65' 18310+3857 FYM 40AD distance=65' 18310+3857 FYM 40AE distance=65' 18310+3857 FYM 40BE distance=65' 18240+3844 HO 432AB distance=72' 18240+3844 HO 432AC distance=72' 18335+3934 COU1606CD distance=73' 18335+3934 SLE 208AB distance=73' 18335+3934 SLE 208A,CD distance=73' 18332+4010 STT 356BC distance=73' 18213+3920 HJ 1321 distance=73' 18332+4010 STT 356AB distance=74' 18332+4010 STT 356AC distance=74' 18212+3917 COU1460 distance=76' 18210+3923 DAM 108 distance=77' 18211+3917 COU1459 distance=77' 18316+3846 COU1604 distance=77' 18309+3840 STF2338AB distance=78' 18309+3840 STF2338AC distance=78' 18309+3840 STF2338AE distance=78' 18309+3840 STF2338CD distance=78' 18309+3840 STF2338CE distance=78' 18241+4054 COU1603 distance=79' 18329+3850 FYM 41BN distance=83' 18310+4055 MMA 19 distance=83' 18217+4039 UC 3559 distance=84' 18329+3850 STTA171AB distance=85' 18329+3850 SLE 200AC distance=85' 18329+3850 SLE 200AD distance=85' 18329+3850 SLE 200AE distance=85' 18329+3850 SLE 200AF distance=85' 18329+3850 STTA171AG distance=85' 18329+3850 FYM 41AH distance=85' 18329+3850 FYM 41AI distance=85' 18329+3850 FYM 41AJ distance=85' 18329+3850 FYM 41AK distance=85' 18329+3850 FYM 41AL distance=85' 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 18273+3944 TDT 881 4 0.8 1
Show 18256+3945 COU1461 245 0.8 20
Show 18297+3929 TDT 910 196 0.8 32
Show 18298+3930 SLE 182 252 11.4 33
Show 18241+4010 ES 1652 150 6.0 46
Show 18269+4031 ES 1653 190 10.2 47
Show 18272+3847 MLB 854 9 6.8 57
Show 18298+4032 RAO 674 326 2.8 57
Show 18300+4033 J 762 248 3.9 60
Show 18323+3933 UC 3603 311 54.4 60
Show 18233+4028 TDT 827 124 0.5 64
Show 18272+4048 TDT 877 76 0.5 64
Show 18310+3857 TDT 922 Aa,Ab 15 0.5 65
Show 18310+3857 SLE 187 AB 210 23.6 65
Show 18310+3857 FYM 40 AC 85 71.0 65
Show 18310+3857 FYM 40 AD 294 13.5 65
Show 18310+3857 FYM 40 AE 210 34.9 65
Show 18310+3857 FYM 40 BE 210 11.3 65
Show 18240+3844 HO 432 AB 285 17.2 72
Show 18240+3844 HO 432 AC 42 60.5 72
Show 18335+3934 COU1606 CD 130 1.9 73
Show 18335+3934 SLE 208 AB 81 13.2 73
Show 18335+3934 SLE 208 A,CD 3 63.5 73
Show 18332+4010 STT 356 BC 45 45.6 73
Show 18213+3920 HJ 1321 75 9.5 73
Show 18332+4010 STT 356 AB 302 28.3 74
Show 18332+4010 STT 356 AC 9 48.1 74
Show 18212+3917 COU1460 342 0.5 76
Show 18210+3923 DAM 108 115 5.6 77
Show 18211+3917 COU1459 92 1.4 77
Show 18316+3846 COU1604 130 1.8 77
Show 18309+3840 STF2338 AB 301 12.1 78
Show 18309+3840 STF2338 AC 206 76.4 78
Show 18309+3840 STF2338 AE 154 51.7 78
Show 18309+3840 STF2338 CD 243 13.0 78
Show 18309+3840 STF2338 CE 69 60.7 78
Show 18241+4054 COU1603 82 0.3 79
Show 18329+3850 FYM 41 BN 87 41.9 83
Show 18310+4055 MMA 19 202 11.4 83
Show 18217+4039 UC 3559 248 48.2 84
Show 18329+3850 STTA171 AB 328 150.1 85
Show 18329+3850 SLE 200 AC 226 68.9 85
Show 18329+3850 SLE 200 AD 248 93.6 85
Show 18329+3850 SLE 200 AE 228 111.2 85
Show 18329+3850 SLE 200 AF 344 134.6 85
Show 18329+3850 STTA171 AG 133 80.7 85
Show 18329+3850 FYM 41 AH 349 74.6 85
Show 18329+3850 FYM 41 AI 349 81.5 85
Show 18329+3850 FYM 41 AJ 125 129.9 85
Show 18329+3850 FYM 41 AK 289 100.5 85
Show 18329+3850 FYM 41 AL 302 115.2 85

 
 
WDS 18273+3944 : COMPONENTS
 
 
  A
B pa=3.2°
sep=0.78"
 
 
18273+3944 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 182716.29+394407.4 Mag 11.11 PmRA 3.00
PmDE 28.0 Tycho2 3108-01171-1
Tycho2
Tycho2 3108-01171-1 Pflag RAmdeg 276.81786336 DEmdeg 39.73542564
PmRA 3.2 PmDE 27.5 E RAmdeg 39 E DEmdeg 31
E pmRA 2.3 E pmDE 2.1 EpRAm 1987.12 EpDEm 1986.10
Num 4 Q RAmdeg 1.4 Q DEmdeg 1.3 Q pmRA 1.4
Q pmDE 1.3 BTmag 12.006 E BTmag 0.106 VTmag 10.806
E VTmag 0.056 Prox 999 TYC T HIP
CCDM RAdeg 276.81785472 DEdeg 39.73537528 EpRA 1990 1.59
EpDE 1990 1.70 E RAdeg 42.9 E DEdeg 42.5 Posflg
Corr 0.0
 
 
18273+3944 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182716.29+394408.2 Mag 11.76 PmRA 3.00
PmDE 28.0 Calc delta mag 0.65 Calc coord yes