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Doubles in session


Current system
21451+3026
TDT 3136


Nearby doubles
30' : 21429+3014
TDT3119

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TDT3146

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DAM 237

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DAM 236

45' : 21430+2951
KPP 498

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MLB 493

48' : 21455+3113
TDT3141

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OSO 154AB

53' : 21420+2951
MLB 720

54' : 21412+3043
J 3143

59' : 21412+2955
GRV 491

60' : 21494+3045
STF2829

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GRV 503

62' : 21473+2932
STJ 58

62' : 21494+3048
GRV 511

63' : 21479+3117
HJ 1688

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GRV 490

68' : 21487+3115
HJ 1695

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UC 4550

74' : 21395+3009
A 772

75' : 21420+2924
MLB 539

75' : 21444+3140
HJ 1686

79' : 21409+3122
AG 275

79' : 21449+3145
ES 381

81' : 21511+3046
DEA 89



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

21451+3026 TDT 3136

 
 
21h 45m 04.09s +30° 25' 48.6" sep 0.8 mag 12.18,12.24
 
 
Coord 2000 21451+3026 Discov num TDT3136 Comp Coord arcsec 2000 21 45 04.09 +30 25 48.6
Date first 1991 Date last 1991 Obs 1
Pa first 0 Pa last 359.7 P.A. Now (θ) 359.7°
Sep first 0.8 Sep last 0.75 Sep. Now (ρ) 0.75"
Mag pri 12.18 Mag sec 12.24 delta mag (ΔM) 0.06 Spectral class
Pri motion ra +021 Sec motion ra +021
Pri motion dec -012 Sec motion dec -012
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2718-01763-1 Gaia DR2 1945582324954263040
 
 
WDS 21451+3026 TDT 3136 : 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
21451+3026 TDT3136 1991 1 360 0.8 12.18 12.24 214504.09+302548.6

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

 
 
WDS 21451+3026 TDT 3136 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21451+3026 TDT 3136 : MEASURES
 
 
No records found.

 
 
WDS 21451+3026 : VIRTUAL EYEPIECE
 
 

21451+3026 TDT3136A mag 12.18 21451+3026 TDT3136B sep 0.8 P.A. 359.70 mag 12.24 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21451+3026 : ALADIN DSS IMAGE @ 21h 45m 04.09s +30° 25' 48.6"
 
 
 
 
WDS 21451+3026 TDT 3136 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21451+3026 TDT3136 distance=1' 21429+3014 TDT3119 distance=30' 21457+2957 TDT3145 distance=31' 21458+2954 TDT3146 distance=34' 21455+2948 DAM 237 distance=38' 21422+3008 MLB 575BC distance=41' 21422+3008 MLB 575AC distance=41' 21458+2945 DAM 236 distance=42' 21430+2951 KPP 498 distance=45' 21442+2942 MLB 493 distance=46' 21455+3113 TDT3141 distance=48' 21422+3100 OSO 154AB distance=51' 21422+3100 OSO 154AC distance=51' 21422+3100 OSO 154AD distance=51' 21422+3100 OSO 154AE distance=51' 21420+2951 MLB 720 distance=53' 21412+3043 J 3143 distance=54' 21412+2955 GRV 491 distance=59' 21494+3045 STF2829 distance=60' 21470+2930 GRV 503 distance=61' 21473+2932 STJ 58 distance=62' 21494+3048 GRV 511 distance=62' 21479+3117 HJ 1688 distance=63' 21407+3056 GRV 490 distance=65' 21487+3115 HJ 1695 distance=68' 21452+2914 UC 4550 distance=72' 21395+3009 A 772 distance=74' 21420+2924 MLB 539 distance=75' 21444+3140 HJ 1686 distance=75' 21409+3122 AG 275 distance=79' 21449+3145 ES 381 distance=79' 21511+3046 DEA 89 distance=81' 21469+2907 CVR 919 distance=83' 21410+2920 STT 448 distance=85' 21516+3030 MLB 669 distance=85' 21389+3058 TDT3081 distance=86' 21457+3152 J 2356 distance=87' 21416+2911 GRV 493 distance=87' 21431+3149 A 1222 distance=87' 21384+3044 LDS4900 distance=88' 21401+2928 BRT 57 distance=89' 21384+2953 MLB 491 distance=92' 21461+2855 BRT 58 distance=92' 21383+2958 HJ 1670 distance=93' 21418+2901 MLB 492 distance=95' 21474+2855 AG 420 distance=96' 21441+3203 J 2355 distance=98' 21396+3136 TDT3088 distance=100' 21441+2845 ES 521DE distance=100' 21441+2845 FYM 25DG distance=100' 21441+3205 DAM 235BC distance=100' 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 21451+3026 TDT3136 0.8 1
Show 21429+3014 TDT3119 157 2.7 30
Show 21457+2957 TDT3145 250 2.2 31
Show 21458+2954 TDT3146 359 2.5 34
Show 21455+2948 DAM 237 233 6.3 38
Show 21422+3008 MLB 575 BC 108 2.7 41
Show 21422+3008 MLB 575 AC 133 17.4 41
Show 21458+2945 DAM 236 143 5.9 42
Show 21430+2951 KPP 498 58 3.9 45
Show 21442+2942 MLB 493 330 8.6 46
Show 21455+3113 TDT3141 358 2.5 48
Show 21422+3100 OSO 154 AB 25 15.3 51
Show 21422+3100 OSO 154 AC 239 15.8 51
Show 21422+3100 OSO 154 AD 166 16.4 51
Show 21422+3100 OSO 154 AE 108 19.6 51
Show 21420+2951 MLB 720 140 7.2 53
Show 21412+3043 J 3143 262 6.6 54
Show 21412+2955 GRV 491 21 31.4 59
Show 21494+3045 STF2829 15 17.1 60
Show 21470+2930 GRV 503 331 20.4 61
Show 21473+2932 STJ 58 193 1.8 62
Show 21494+3048 GRV 511 228 40.4 62
Show 21479+3117 HJ 1688 351 16.4 63
Show 21407+3056 GRV 490 328 31.7 65
Show 21487+3115 HJ 1695 115 13.3 68
Show 21452+2914 UC 4550 15 42.5 72
Show 21395+3009 A 772 112 0.1 74
Show 21420+2924 MLB 539 171 4.8 75
Show 21444+3140 HJ 1686 229 13.7 75
Show 21409+3122 AG 275 13 10.9 79
Show 21449+3145 ES 381 110 4.6 79
Show 21511+3046 DEA 89 204 14.8 81
Show 21469+2907 CVR 919 201 23.5 83
Show 21410+2920 STT 448 31 0.1 85
Show 21516+3030 MLB 669 309 3.2 85
Show 21389+3058 TDT3081 114 0.8 86
Show 21457+3152 J 2356 135 6.3 87
Show 21416+2911 GRV 493 184 44.7 87
Show 21431+3149 A 1222 352 0.7 87
Show 21384+3044 LDS4900 213 17.4 88
Show 21401+2928 BRT 57 137 5.0 89
Show 21384+2953 MLB 491 34 4.8 92
Show 21461+2855 BRT 58 165 4.4 92
Show 21383+2958 HJ 1670 78 11.7 93
Show 21418+2901 MLB 492 114 7.0 95
Show 21474+2855 AG 420 145 7.5 96
Show 21441+3203 J 2355 346 3.5 98
Show 21396+3136 TDT3088 149 2.9 100
Show 21441+2845 ES 521 DE 286 17.5 100
Show 21441+2845 FYM 25 DG 164 89.6 100
Show 21441+3205 DAM 235 BC 206 6.5 100

 
 
WDS 21451+3026 : COMPONENTS
 
 
  A
B pa=359.7°
sep=0.75"
 
 
21451+3026 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 214504.09+302548.6 Mag 12.18 PmRA 21.00
PmDE -12.0 Tycho2 2718-01763-1
Tycho2
Tycho2 2718-01763-1 Pflag RAmdeg 326.26704070 DEmdeg 30.43027946
PmRA 20.6 PmDE -12.1 E RAmdeg 44 E DEmdeg 44
E pmRA 1.7 E pmDE 1.7 EpRAm 1983.86 EpDEm 1983.74
Num 5 Q RAmdeg 2.3 Q DEmdeg 1.0 Q pmRA 2.3
Q pmDE 0.9 BTmag 11.931 E BTmag 0.077 VTmag 11.490
E VTmag 0.077 Prox 779 TYC T HIP
CCDM RAdeg 326.26698500 DEdeg 30.43030694 EpRA 1990 1.70
EpDE 1990 1.89 E RAdeg 46.1 E DEdeg 46.0 Posflg
Corr 0.0
 
 
21451+3026 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214504.09+302549.3 Mag 12.24 PmRA 21.00
PmDE -12.0 Calc delta mag 0.06 Calc coord yes