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Doubles in session


Current system
21494+4058
TDT 3178


Nearby doubles
22' : 21512+4050
GRV 515

26' : 21498+4033
TDT3183

40' : 21505+4135
TDS1149

41' : 21518+4128
KPP4253

44' : 21506+4017
SEI1539

46' : 21523+4025
ES 261

46' : 21518+4022
TDT3199

46' : 21456+4110
TDT3144

48' : 21530+4121
GRV 516

51' : 21458+4029
ES 1693

53' : 21538+4041
COU1980

56' : 21473+4148
A 404AB

58' : 21545+4052
TDT3230

60' : 21461+4143
TDT3148

60' : 21540+4125
TDT3223

62' : 21532+4141
DAM 241

63' : 21533+4144
J 3152

67' : 21552+4110
TDT3242

71' : 21556+4059
LDS5937

74' : 21511+4209
COU1822AB

75' : 21505+3944
ES 211AB

76' : 21431+4122
COU1978

77' : 21478+4212
TDT3158

78' : 21456+4202
TDT3143

78' : 21426+4103
BU 688AB

79' : 21454+3955
SEI1534



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

21494+4058 TDT 3178

 
 
21h 49m 25.54s +40° 57' 45.7" P.A. 251.00 sep 0.6 mag 10.83,11.66
 
 
Coord 2000 21494+4058 Discov num TDT3178 Comp Coord arcsec 2000 21 49 25.54 +40 57 45.7
Date first 1991 Date last 1991 Obs 1
Pa first 251 Pa last 250.5 P.A. Now (θ) 250.5°
Sep first 0.6 Sep last 0.61 Sep. Now (ρ) 0.61"
Mag pri 10.83 Mag sec 11.66 delta mag (ΔM) 0.83 Spectral class
Pri motion ra -009 Sec motion ra -009
Pri motion dec -005 Sec motion dec -005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3188-00053-1 Gaia DR2 1960275648595531520
 
 
WDS 21494+4058 TDT 3178 : 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
21494+4058 TDT3178 1991 1 251 0.6 10.83 11.66 214925.54+405745.7

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

 
 
WDS 21494+4058 TDT 3178 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21494+4058 TDT 3178 : MEASURES
 
 
No records found.

 
 
WDS 21494+4058 : VIRTUAL EYEPIECE
 
 

21494+4058 TDT3178A mag 10.83 21494+4058 TDT3178B sep 0.5 P.A. 244.90 mag 11.66 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 21494+4058 : ALADIN DSS IMAGE @ 21h 49m 25.54s +40° 57' 45.7"
 
 
 
 
WDS 21494+4058 TDT 3178 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21494+4058 TDT3178 distance=0' 21512+4050 GRV 515 distance=22' 21498+4033 TDT3183 distance=26' 21505+4135 TDS1149 distance=40' 21518+4128 KPP4253 distance=41' 21506+4017 SEI1539 distance=44' 21523+4025 ES 261 distance=46' 21518+4022 TDT3199 distance=46' 21456+4110 TDT3144 distance=46' 21530+4121 GRV 516 distance=48' 21458+4029 ES 1693 distance=51' 21538+4041 COU1980 distance=53' 21473+4148 A 404AB distance=56' 21473+4148 A 404AC distance=56' 21545+4052 TDT3230 distance=58' 21461+4143 TDT3148 distance=60' 21540+4125 TDT3223 distance=60' 21532+4141 DAM 241 distance=62' 21533+4144 J 3152 distance=63' 21552+4110 TDT3242 distance=67' 21556+4059 LDS5937 distance=71' 21511+4209 COU1822AB distance=74' 21505+3944 ES 211AB distance=75' 21505+3944 ES 211AC distance=75' 21505+3944 ES 211AD distance=75' 21431+4122 COU1978 distance=76' 21478+4212 TDT3158 distance=77' 21456+4202 TDT3143 distance=78' 21426+4103 BU 688AB distance=78' 21426+4103 FOX9036AB,D distance=78' 21426+4103 BU 688AB,C distance=78' 21454+3955 SEI1534 distance=79' 21512+3941 TDT3192 distance=80' 21424+4105 KUI 108AB distance=81' 21424+4105 ARY 129AB,C distance=81' 21493+3937 SEI1536 distance=81' 21431+4021 TDT3121 distance=82' 21422+4057 DAM 231 distance=83' 21513+3938 TDT3196 distance=83' 21542+3953 HJ 1703 distance=85' 21458+3945 MLB 902 distance=86' 21459+3943 SEI1535 distance=86' 21519+4221 HO 172AB distance=88' 21519+4221 HO 172AC distance=88' 21519+4221 HO 172AD distance=88' 21519+4221 FYM 113AE distance=88' 21519+4221 JOD 22BF distance=88' 21419+4058 MLB 30 distance=89' 21416+4048 S 796AB distance=90' 21416+4048 S 796AC distance=90' 21416+4048 FYM 112AD distance=90' 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 21494+4058 TDT3178 251 0.6
Show 21512+4050 GRV 515 313 28.2 22
Show 21498+4033 TDT3183 55 0.8 26
Show 21505+4135 TDS1149 285 0.7 40
Show 21518+4128 KPP4253 269 4.3 41
Show 21506+4017 SEI1539 260 27.0 44
Show 21523+4025 ES 261 165 5.1 46
Show 21518+4022 TDT3199 341 3.9 46
Show 21456+4110 TDT3144 193 2.2 46
Show 21530+4121 GRV 516 151 14.3 48
Show 21458+4029 ES 1693 34 7.4 51
Show 21538+4041 COU1980 247 1.5 53
Show 21473+4148 A 404 AB 100 3.8 56
Show 21473+4148 A 404 AC 294 14.0 56
Show 21545+4052 TDT3230 222 2.0 58
Show 21461+4143 TDT3148 18 0.4 60
Show 21540+4125 TDT3223 123 0.9 60
Show 21532+4141 DAM 241 311 8.0 62
Show 21533+4144 J 3152 238 4.6 63
Show 21552+4110 TDT3242 200 2.3 67
Show 21556+4059 LDS5937 141 6.3 71
Show 21511+4209 COU1822 AB 19 0.2 74
Show 21505+3944 ES 211 AB 197 2.5 75
Show 21505+3944 ES 211 AC 178 10.1 75
Show 21505+3944 ES 211 AD 102 21.1 75
Show 21431+4122 COU1978 87 0.2 76
Show 21478+4212 TDT3158 230 2.7 77
Show 21456+4202 TDT3143 34 0.5 78
Show 21426+4103 BU 688 AB 198 0.4 78
Show 21426+4103 FOX9036 AB,D 306 46.7 78
Show 21426+4103 BU 688 AB,C 30 27.0 78
Show 21454+3955 SEI1534 189 27.8 79
Show 21512+3941 TDT3192 118 0.5 80
Show 21424+4105 KUI 108 AB 14 0.2 81
Show 21424+4105 ARY 129 AB,C 132 145.5 81
Show 21493+3937 SEI1536 147 28.1 81
Show 21431+4021 TDT3121 157 1.7 82
Show 21422+4057 DAM 231 292 8.9 83
Show 21513+3938 TDT3196 234 2.1 83
Show 21542+3953 HJ 1703 82 8.9 85
Show 21458+3945 MLB 902 327 5.6 86
Show 21459+3943 SEI1535 229 8.5 86
Show 21519+4221 HO 172 AB 82 10.7 88
Show 21519+4221 HO 172 AC 40 89.7 88
Show 21519+4221 HO 172 AD 61 480.9 88
Show 21519+4221 FYM 113 AE 20 64.4 88
Show 21519+4221 JOD 22 BF 48 2.1 88
Show 21419+4058 MLB 30 228 9.1 89
Show 21416+4048 S 796 AB 233 58.2 90
Show 21416+4048 S 796 AC 282 132.4 90
Show 21416+4048 FYM 112 AD 163 70.0 90

 
 
WDS 21494+4058 : COMPONENTS
 
 
  A
B pa=244.9°
sep=0.48"
 
 
21494+4058 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 214925.54+405745.7 Mag 10.83 PmRA -9.00
PmDE -5.0 Tycho2 3188-00053-1
Tycho2
Tycho2 3188-00053-1 Pflag RAmdeg 327.35633849 DEmdeg 40.96266343
PmRA -9.3 PmDE -4.9 E RAmdeg 22 E DEmdeg 22
E pmRA 1.3 E pmDE 1.2 EpRAm 1986.51 EpDEm 1987.06
Num 5 Q RAmdeg 2.3 Q DEmdeg 0.5 Q pmRA 2.3
Q pmDE 0.5 BTmag 11.031 E BTmag 0.043 VTmag 10.481
E VTmag 0.036 Prox 999 TYC T HIP
CCDM RAdeg 327.35636361 DEdeg 40.96267472 EpRA 1990 1.59
EpDE 1990 1.71 E RAdeg 25.0 E DEdeg 23.5 Posflg
Corr 0.2
 
 
21494+4058 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214925.50+405745.5 Mag 11.66 PmRA -9.00
PmDE -5.0 Calc delta mag 0.83 Calc coord yes