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Current system
21408+4027
TDT 3102


Nearby doubles
12' : 21417+4022
TDT3111

23' : 21416+4048
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MLB 29

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TDT3121

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MLB 30

34' : 21422+4057
DAM 231

41' : 21426+4103
BU 688AB

42' : 21424+4105
KUI 108AB

43' : 21393+3948
KPP4241

45' : 21369+4025
DRS 20

48' : 21399+3941
A 1446

50' : 21412+4117
COU1977

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MLB 786

54' : 21363+4012
AG 273

56' : 21397+3934
TDT3090

57' : 21458+4029
ES 1693

58' : 21399+3931
A 1445AB

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MLB 28

58' : 21361+4048
TDT3051

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BU 274

61' : 21431+4122
COU1978

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SEI1534

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TDT3063

63' : 21365+4105
TDT3055

66' : 21450+3942
GRV 499

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MLB 902



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

21408+4027 TDT 3102

 
 
21h 40m 48.84s +40° 27' 17.9" P.A. 25.00 sep 1.4 mag 11.48,12.42
 
 
Coord 2000 21408+4027 Discov num TDT3102 Comp Coord arcsec 2000 21 40 48.84 +40 27 17.9
Date first 1991 Date last 1991 Obs 1
Pa first 25 Pa last 24.5 P.A. Now (θ) 24.5°
Sep first 1.4 Sep last 1.35 Sep. Now (ρ) 1.35"
Mag pri 11.48 Mag sec 12.42 delta mag (ΔM) 0.94 Spectral class
Pri motion ra +008 Sec motion ra +008
Pri motion dec -007 Sec motion dec -007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3188-01776-1 Gaia DR2 1954384156050052096
 
 
WDS 21408+4027 TDT 3102 : 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
21408+4027 TDT3102 1991 1 25 1.4 11.48 12.42 214048.84+402717.9

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

 
 
WDS 21408+4027 TDT 3102 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21408+4027 TDT 3102 : MEASURES
 
 
No records found.

 
 
WDS 21408+4027 : VIRTUAL EYEPIECE
 
 

21408+4027 TDT3102A mag 11.48 21408+4027 TDT3102B sep 1.3 P.A. 19.10 mag 12.42 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21408+4027 : ALADIN DSS IMAGE @ 21h 40m 48.84s +40° 27' 17.9"
 
 
 
 
WDS 21408+4027 TDT 3102 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21408+4027 TDT3102 distance=0' 21417+4022 TDT3111 distance=12' 21416+4048 S 796AB distance=23' 21416+4048 S 796AC distance=23' 21416+4048 FYM 112AD distance=23' 21416+4048 FYM 112AE distance=23' 21416+4048 FYM 112AF distance=23' 21396+4049 MLB 29 distance=27' 21431+4021 TDT3121 distance=27' 21419+4058 MLB 30 distance=31' 21422+4057 DAM 231 distance=34' 21426+4103 BU 688AB distance=41' 21426+4103 FOX9036AB,D distance=41' 21426+4103 BU 688AB,C distance=41' 21424+4105 KUI 108AB distance=42' 21424+4105 ARY 129AB,C distance=42' 21393+3948 KPP4241 distance=43' 21369+4025 DRS 20 distance=45' 21399+3941 A 1446 distance=48' 21412+4117 COU1977 distance=50' 21385+3942 MLB 786 distance=52' 21363+4012 AG 273 distance=54' 21397+3934 TDT3090 distance=56' 21458+4029 ES 1693 distance=57' 21399+3931 A 1445AB distance=58' 21399+3931 HJ 1675AC distance=58' 21363+4002 MLB 28 distance=58' 21361+4048 TDT3051 distance=58' 21413+3928 BU 274 distance=60' 21431+4122 COU1978 distance=61' 21454+3955 SEI1534 distance=62' 21371+3942 TDT3063 distance=62' 21365+4105 TDT3055 distance=63' 21450+3942 GRV 499 distance=66' 21458+3945 MLB 902 distance=68' 21387+3924 TDT3080 distance=69' 21400+3919 ALI 978 distance=70' 21456+4110 TDT3144 distance=70' 21445+3933 A 1447 distance=70' 21351+4000 MLB 901 distance=71' 21346+4024 MLB 27AB distance=72' 21346+4024 MLB 27AC distance=72' 21346+4024 MLB 27CD distance=72' 21459+3943 SEI1535 distance=75' 21383+3917 GRV 488 distance=76' 21366+3928 VYS 10 distance=77' 21395+4144 BU 449AB distance=78' 21395+4144 STT 447AC distance=78' 21395+4144 BU 449AD distance=78' 21395+4144 STT 447AE distance=78' 21395+4144 ABH 148AH distance=78' 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 21408+4027 TDT3102 25 1.4
Show 21417+4022 TDT3111 296 2.7 12
Show 21416+4048 S 796 AB 233 58.2 23
Show 21416+4048 S 796 AC 282 132.4 23
Show 21416+4048 FYM 112 AD 163 70.0 23
Show 21416+4048 FYM 112 AE 143 73.8 23
Show 21416+4048 FYM 112 AF 305 55.0 23
Show 21396+4049 MLB 29 340 6.8 27
Show 21431+4021 TDT3121 157 1.7 27
Show 21419+4058 MLB 30 228 9.1 31
Show 21422+4057 DAM 231 292 8.9 34
Show 21426+4103 BU 688 AB 198 0.4 41
Show 21426+4103 FOX9036 AB,D 306 46.7 41
Show 21426+4103 BU 688 AB,C 30 27.0 41
Show 21424+4105 KUI 108 AB 14 0.2 42
Show 21424+4105 ARY 129 AB,C 132 145.5 42
Show 21393+3948 KPP4241 95 4.0 43
Show 21369+4025 DRS 20 58 7.0 45
Show 21399+3941 A 1446 40 1.3 48
Show 21412+4117 COU1977 97 1.2 50
Show 21385+3942 MLB 786 209 5.3 52
Show 21363+4012 AG 273 3 8.9 54
Show 21397+3934 TDT3090 171 0.7 56
Show 21458+4029 ES 1693 34 7.4 57
Show 21399+3931 A 1445 AB 283 1.5 58
Show 21399+3931 HJ 1675 AC 264 37.9 58
Show 21363+4002 MLB 28 256 4.3 58
Show 21361+4048 TDT3051 275 0.6 58
Show 21413+3928 BU 274 180 3.7 60
Show 21431+4122 COU1978 87 0.2 61
Show 21454+3955 SEI1534 189 27.8 62
Show 21371+3942 TDT3063 159 0.6 62
Show 21365+4105 TDT3055 247 0.5 63
Show 21450+3942 GRV 499 170 67.4 66
Show 21458+3945 MLB 902 327 5.6 68
Show 21387+3924 TDT3080 245 2.7 69
Show 21400+3919 ALI 978 14 13.3 70
Show 21456+4110 TDT3144 193 2.2 70
Show 21445+3933 A 1447 243 0.4 70
Show 21351+4000 MLB 901 233 5.8 71
Show 21346+4024 MLB 27 AB 325 16.9 72
Show 21346+4024 MLB 27 AC 277 19.3 72
Show 21346+4024 MLB 27 CD 253 6.5 72
Show 21459+3943 SEI1535 229 8.5 75
Show 21383+3917 GRV 488 19 59.8 76
Show 21366+3928 VYS 10 261 1.0 77
Show 21395+4144 BU 449 AB 14 6.0 78
Show 21395+4144 STT 447 AC 176 14.0 78
Show 21395+4144 BU 449 AD 248 18.9 78
Show 21395+4144 STT 447 AE 43 29.1 78
Show 21395+4144 ABH 148 AH 263 74.4 78

 
 
WDS 21408+4027 : COMPONENTS
 
 
  A
B pa=19.1°
sep=1.30"
 
 
21408+4027 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 214048.84+402717.9 Mag 11.48 PmRA 8.00
PmDE -7.0 Tycho2 3188-01776-1
Tycho2
Tycho2 3188-01776-1 Pflag RAmdeg 325.20353388 DEmdeg 40.45501247
PmRA 8.0 PmDE -6.5 E RAmdeg 47 E DEmdeg 43
E pmRA 1.7 E pmDE 1.6 EpRAm 1982.96 EpDEm 1983.27
Num 4 Q RAmdeg 0.6 Q DEmdeg 0.6 Q pmRA 0.6
Q pmDE 0.6 BTmag 11.880 E BTmag 0.074 VTmag 11.391
E VTmag 0.077 Prox 999 TYC T HIP
CCDM RAdeg 325.20350861 DEdeg 40.45502694 EpRA 1990 1.66
EpDE 1990 1.72 E RAdeg 49.2 E DEdeg 44.7 Posflg
Corr 0.2
 
 
21408+4027 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214048.88+402719.1 Mag 12.42 PmRA 8.00
PmDE -7.0 Calc delta mag 0.94 Calc coord yes