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Current system
21284+3745
TDT 2983


Nearby doubles
10' : 21287+3755
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SEI1518

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GRV 474

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TDT2955

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ES 2063

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SEI1525

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HJ 1653

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SEI1526

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CRB 16



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

21284+3745 TDT 2983

 
 
21h 28m 25.47s +37° 45' 13.0" P.A. 111.00 sep 0.5 mag 11.51,11.79
 
 
Coord 2000 21284+3745 Discov num TDT2983 Comp Coord arcsec 2000 21 28 25.47 +37 45 13.0
Date first 1991 Date last 1991 Obs 1
Pa first 111 Pa last 111.3 P.A. Now (θ) 111.3°
Sep first 0.5 Sep last 0.51 Sep. Now (ρ) 0.51"
Mag pri 11.51 Mag sec 11.79 delta mag (ΔM) 0.28 Spectral class
Pri motion ra +022 Sec motion ra +022
Pri motion dec -003 Sec motion dec -003
Notes X (Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3182-03989-1 Gaia DR2 1964162697078777216
 
 
WDS 21284+3745 TDT 2983 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
21284+3745 TDT2983 1991 1 111 0.5 11.51 11.79 212825.47+374513.0

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

 
 
WDS 21284+3745 TDT 2983 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21284+3745 TDT 2983 : MEASURES
 
 
No records found.

 
 
WDS 21284+3745 : VIRTUAL EYEPIECE
 
 

21284+3745 TDT2983A mag 11.51 21284+3745 TDT2983B sep 0.5 P.A. 111.30 mag 11.79 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 21284+3745 : ALADIN DSS IMAGE @ 21h 28m 25.47s +37° 45' 13.0"
 
 
 
 
WDS 21284+3745 TDT 2983 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21284+3745 TDT2983 distance=1' 21287+3755 KPP1064 distance=10' 21272+3752 ES 2520 distance=16' 21295+3728 SEI1519 distance=22' 21268+3731 COU1821Da,Db distance=24' 21268+3731 SEI1516AB distance=24' 21268+3731 HEI9004AC distance=24' 21268+3731 HEI9004AD distance=24' 21278+3715 SEI1518 distance=32' 21264+3712 SEI1514 distance=41' 21317+3730 GRV 474 distance=42' 21294+3833 TDT2992 distance=50' 21250+3814 TDT2950 distance=50' 21243+3740 WSI 7 distance=50' 21305+3701 SEI1521AB distance=50' 21305+3701 GII 102Aa,Ab distance=50' 21278+3835 KU 61AB distance=51' 21278+3835 KU 61AC distance=51' 21278+3835 KU 61AD distance=51' 21241+3741 SEI1458 distance=51' 21257+3824 TDT2955 distance=52' 21323+3811 ES 2063 distance=52' 21252+3708 SEI1513 distance=54' 21249+3711 TDS1126 distance=55' 21331+3726 SEI1525 distance=60' 21238+3721 STFA 55CD distance=60' 21238+3721 STFA 55CE distance=60' 21238+3721 STFA 55AB distance=60' 21238+3721 STFA 55AC distance=60' 21238+3721 STFA 55AF distance=60' 21233+3801 ES 2519 distance=62' 21311+3652 HJ 1653 distance=63' 21233+3810 ALI 690 distance=65' 21321+3834 ES 2064 distance=65' 21283+3640 CRB 142 distance=66' 21337+3728 SEI1526 distance=66' 21294+3640 CRB 16 distance=67' 21228+3754 WIS 349 distance=67' 21322+3835 TDT3017 distance=68' 21285+3636 ALI 443 distance=69' 21226+3744 COU1820 distance=70' 21295+3635 ES 2128AB distance=71' 21295+3635 ES 2128AC distance=71' 21323+3839 ALI 974 distance=71' 21231+3821 ALI 689 distance=72' 21258+3640 FYM 124CD distance=73' 21258+3640 S 790AB distance=73' 21258+3640 S 790AC distance=73' 21239+3837 GRV 461 distance=74' 21221+3734 ES 2517 distance=76' 21317+3850 TDT3009 distance=76' 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 21284+3745 TDT2983 111 0.5 1
Show 21287+3755 KPP1064 246 8.5 10
Show 21272+3752 ES 2520 238 6.2 16
Show 21295+3728 SEI1519 181 13.8 22
Show 21268+3731 COU1821 Da,Db 96 0.7 24
Show 21268+3731 SEI1516 AB 335 3.9 24
Show 21268+3731 HEI9004 AC 275 25.5 24
Show 21268+3731 HEI9004 AD 335 110.2 24
Show 21278+3715 SEI1518 143 15.5 32
Show 21264+3712 SEI1514 184 12.0 41
Show 21317+3730 GRV 474 236 24.6 42
Show 21294+3833 TDT2992 109 2.1 50
Show 21250+3814 TDT2950 200 1.6 50
Show 21243+3740 WSI 7 44 0.1 50
Show 21305+3701 SEI1521 AB 226 2.9 50
Show 21305+3701 GII 102 Aa,Ab 302 0.4 50
Show 21278+3835 KU 61 AB 271 3.9 51
Show 21278+3835 KU 61 AC 206 14.3 51
Show 21278+3835 KU 61 AD 235 25.7 51
Show 21241+3741 SEI1458 312 7.9 51
Show 21257+3824 TDT2955 18 0.5 52
Show 21323+3811 ES 2063 227 2.7 52
Show 21252+3708 SEI1513 90 14.5 54
Show 21249+3711 TDS1126 314 1.9 55
Show 21331+3726 SEI1525 100 15.0 60
Show 21238+3721 STFA 55 CD 183 12.8 60
Show 21238+3721 STFA 55 CE 320 17.7 60
Show 21238+3721 STFA 55 AB 304 364.1 60
Show 21238+3721 STFA 55 AC 154 178.3 60
Show 21238+3721 STFA 55 AF 201 22.8 60
Show 21233+3801 ES 2519 224 6.5 62
Show 21311+3652 HJ 1653 195 19.5 63
Show 21233+3810 ALI 690 65 8.8 65
Show 21321+3834 ES 2064 244 11.4 65
Show 21283+3640 CRB 142 46 25.7 66
Show 21337+3728 SEI1526 160 25.3 66
Show 21294+3640 CRB 16 56 111.6 67
Show 21228+3754 WIS 349 176 44.9 67
Show 21322+3835 TDT3017 267 0.8 68
Show 21285+3636 ALI 443 298 4.3 69
Show 21226+3744 COU1820 319 1.4 70
Show 21295+3635 ES 2128 AB 304 7.2 71
Show 21295+3635 ES 2128 AC 101 24.9 71
Show 21323+3839 ALI 974 210 10.6 71
Show 21231+3821 ALI 689 107 14.6 72
Show 21258+3640 FYM 124 CD 84 19.4 73
Show 21258+3640 S 790 AB 28 34.5 73
Show 21258+3640 S 790 AC 99 53.1 73
Show 21239+3837 GRV 461 197 65.7 74
Show 21221+3734 ES 2517 115 5.3 76
Show 21317+3850 TDT3009 122 0.5 76

 
 
WDS 21284+3745 : COMPONENTS
 
 
  A
B pa=111.3°
sep=0.51"
 
 
21284+3745 A
 
 
Coord arcsec 2000 212825.47+374513.0 Mag 11.51 PmRA 22.00 PmDE -3.0
 
 
21284+3745 B
 
 
Coord arcsec 2000 212825.51+374512.8 Mag 11.79 PmRA 22.00 PmDE -3.0
Delta magnitude 0.28 Coordinate calculated yes