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Current system
21440+3757
SEI 1533


Nearby doubles
11' : 21432+3801
BLL 55AB

12' : 21450+3800
LDS1054

16' : 21438+3742
TDT3122

20' : 21457+3800
DAM1461

22' : 21432+3815
DAM 232

22' : 21434+3817
S 799AB

27' : 21429+3734
ES 2521AB

27' : 21436+3822
ES 2522

35' : 21466+3815
COU1639

38' : 21415+3817
SEI1532

41' : 21408+3806
TDS1140

41' : 21471+3737
GRV 504

41' : 21412+3735
TDT3109

42' : 21436+3715
TDS1143

51' : 21484+3806
ALI 694

51' : 21399+3813
ES 2066

52' : 21398+3749
A 1444

56' : 21405+3720
ES 2067

58' : 21421+3848
ALI 980

58' : 21464+3847
MLB 961

59' : 21453+3853
TDT3139

65' : 21493+3816
A 1448

65' : 21403+3843
ALI 979

68' : 21384+3808
TDT3073

70' : 21386+3822
TDT3078

70' : 21429+3904
GRV 496



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

21440+3757 SEI 1533

 
 
21h 44m 05.09s +37° 56' 29.0" P.A. 13.00 sep 25.7 mag 11.25,12.22
 
 
Coord 2000 21440+3757 Discov num SEI1533 Comp Coord arcsec 2000 21 44 05.09 +37 56 29.0
Date first 1894 Date last 2015 Obs 11
Pa first 17 Pa last 13 P.A. Now (θ) 13°
Sep first 27.9 Sep last 25.703 Sep. Now (ρ) 25.703"
Mag pri 11.25 Mag sec 12.22 delta mag (ΔM) 0.97 Spectral class
Pri motion ra +010 Sec motion ra -011
Pri motion dec +005 Sec motion dec -009
Notes
rPM=1.776
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3184-00164-1 Gaia DR2 1952817248907977088
 
 
WDS 21440+3757 SEI 1533 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sei1908 Pa - Scheiner, J. 1908POPot..59.....S
Sei1908 +Po Pub. Obs. Potsdam 20, #59, 1908
Sei1913A Pa - Scheiner, J. 1913QB811.B8.......
Sei1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A Pa - Scheiner, J. 1932QB821.A43......
Sei1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21440+3757 SEI1533 1999 5 14 25.9 11.25 12.50 D 214405.09+375629.0
21440+3757 SEI1533 2002 6 14 25.9 11.25 12.50 D 214405.09+375629.0
21440+3757 SEI1533 2010 7 13 25.8 11.25 12.22 214405.09+375629.0
21440+3757 SEI1533 2015 8 13 25.7 11.25 12.22 214405.09+375629.0

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

 
 
WDS 21440+3757 SEI 1533 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21440+3757 SEI 1533 : MEASURES
 
 
No records found.

 
 
WDS 21440+3757 : VIRTUAL EYEPIECE
 
 

21440+3757 SEI1533A mag 11.25 21440+3757 SEI1533B sep 25.5 P.A. 10.30 mag 12.22 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 21440+3757 : ALADIN DSS IMAGE @ 21h 44m 05.09s +37° 56' 29.0"
 
 
 
 
WDS 21440+3757 SEI 1533 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21440+3757 SEI1533 distance=0' 21432+3801 HDS3094Aa,Ab distance=11' 21432+3801 BLL 55AB distance=11' 21450+3800 LDS1054 distance=12' 21438+3742 TDT3122 distance=16' 21457+3800 DAM1461 distance=20' 21432+3815 DAM 232 distance=22' 21434+3817 KUI 109Aa,Ab distance=22' 21434+3817 S 799AB distance=22' 21434+3817 S 799AC distance=22' 21434+3817 S 799BD distance=23' 21429+3734 ES 2521AB distance=27' 21429+3734 ES 2521AC distance=27' 21436+3822 ES 2522 distance=27' 21466+3815 COU1639 distance=35' 21415+3817 SEI1532 distance=38' 21408+3806 TDS1140 distance=41' 21471+3737 GRV 504 distance=41' 21412+3735 TDT3109 distance=41' 21436+3715 TDS1143 distance=42' 21484+3806 ALI 694 distance=51' 21399+3813 ES 2066 distance=51' 21398+3749 A 1444 distance=52' 21405+3720 ES 2067 distance=56' 21421+3848 ALI 980 distance=58' 21464+3847 MLB 961 distance=58' 21453+3853 TDT3139 distance=59' 21493+3816 A 1448 distance=65' 21403+3843 ALI 979 distance=65' 21384+3808 TDT3073 distance=68' 21386+3822 TDT3078 distance=70' 21429+3904 GRV 496 distance=70' 21402+3703 SEI1531 distance=71' 21502+3750 ES 1996 distance=74' 21378+3739 SEI1527AB distance=76' 21378+3739 MBR 1AC distance=76' 21403+3858 MLB 787 distance=77' 21492+3849 TDT3176 distance=80' 21374+3810 GRV 487 distance=81' 21387+3848 ALI 977 distance=82' 21396+3650 SEI1530 distance=85' 21512+3741 TDT3193 distance=86' 21481+3911 TDT3162 distance=89' 21376+3712 ES 2065 distance=90' 21514+3730 SEI1540 distance=91' 21506+3847 MLB 962 distance=92' 21382+3655 TDT3069 distance=94' 21460+3626 HDS3100 distance=94' 21487+3914 TDS1147 distance=95' 21431+3622 GRV 497 distance=95' 21400+3919 ALI 978 distance=96' 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 21440+3757 SEI1533 13 25.7
Show 21432+3801 HDS3094 Aa,Ab 245 0.1 11
Show 21432+3801 BLL 55 AB 117 142.4 11
Show 21450+3800 LDS1054 8 127.0 12
Show 21438+3742 TDT3122 280 0.6 16
Show 21457+3800 DAM1461 190 1.7 20
Show 21432+3815 DAM 232 299 8.3 22
Show 21434+3817 KUI 109 Aa,Ab 142 1.9 22
Show 21434+3817 S 799 AB 60 149.5 22
Show 21434+3817 S 799 AC 318 135.3 22
Show 21434+3817 S 799 BD 254 34.0 23
Show 21429+3734 ES 2521 AB 200 8.2 27
Show 21429+3734 ES 2521 AC 93 16.5 27
Show 21436+3822 ES 2522 101 4.0 27
Show 21466+3815 COU1639 204 1.8 35
Show 21415+3817 SEI1532 139 5.1 38
Show 21408+3806 TDS1140 191 1.0 41
Show 21471+3737 GRV 504 21 53.5 41
Show 21412+3735 TDT3109 59 0.6 41
Show 21436+3715 TDS1143 180 0.9 42
Show 21484+3806 ALI 694 163 6.4 51
Show 21399+3813 ES 2066 224 5.4 51
Show 21398+3749 A 1444 82 1.1 52
Show 21405+3720 ES 2067 227 6.8 56
Show 21421+3848 ALI 980 139 8.9 58
Show 21464+3847 MLB 961 4 6.5 58
Show 21453+3853 TDT3139 65 0.5 59
Show 21493+3816 A 1448 331 4.7 65
Show 21403+3843 ALI 979 5 9.8 65
Show 21384+3808 TDT3073 334 1.1 68
Show 21386+3822 TDT3078 157 0.7 70
Show 21429+3904 GRV 496 72 29.9 70
Show 21402+3703 SEI1531 20 2.9 71
Show 21502+3750 ES 1996 337 2.3 74
Show 21378+3739 SEI1527 AB 332 25.5 76
Show 21378+3739 MBR 1 AC 89 14.5 76
Show 21403+3858 MLB 787 351 5.4 77
Show 21492+3849 TDT3176 1 2.3 80
Show 21374+3810 GRV 487 201 74.8 81
Show 21387+3848 ALI 977 221 11.6 82
Show 21396+3650 SEI1530 160 19.9 85
Show 21512+3741 TDT3193 212 1.2 86
Show 21481+3911 TDT3162 146 2.0 89
Show 21376+3712 ES 2065 4 3.9 90
Show 21514+3730 SEI1540 207 23.6 91
Show 21506+3847 MLB 962 322 4.4 92
Show 21382+3655 TDT3069 148 0.5 94
Show 21460+3626 HDS3100 189 0.5 94
Show 21487+3914 TDS1147 26 1.0 95
Show 21431+3622 GRV 497 228 35.1 95
Show 21400+3919 ALI 978 14 13.3 96

 
 
WDS 21440+3757 : COMPONENTS
 
 
  A
B pa=10.3°
sep=25.46"
 
 
21440+3757 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 214405.09+375629.0 Mag 11.25 PmRA 10.00
PmDE 5.0 Tycho2 3184-00164-1
Tycho2
Tycho2 3184-00164-1 Pflag RAmdeg 326.02121593 DEmdeg 37.94138050
PmRA 11.1 PmDE 6.1 E RAmdeg 31 E DEmdeg 30
E pmRA 2.0 E pmDE 1.9 EpRAm 1985.51 EpDEm 1986.47
Num 6 Q RAmdeg 1.4 Q DEmdeg 1.1 Q pmRA 1.4
Q pmDE 1.1 BTmag 11.707 E BTmag 0.055 VTmag 11.248
E VTmag 0.061 Prox 261 TYC T HIP
CCDM RAdeg 326.02117694 DEdeg 37.94136556 EpRA 1990 1.53
EpDE 1990 1.65 E RAdeg 38.1 E DEdeg 33.6 Posflg
Corr 0.2
 
 
21440+3757 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214405.48+375654.0 Mag 12.22 PmRA -11.00
PmDE -9.0 Tycho2 3184-00530-1 Calc delta mag 0.97 Calc coord yes
Tycho2
Tycho2 3184-00530-1 Pflag RAmdeg 326.02339969 DEmdeg 37.94836442
PmRA -10.5 PmDE -10.1 E RAmdeg 98 E DEmdeg 85
E pmRA 3.0 E pmDE 2.6 EpRAm 1973.18 EpDEm 1974.77
Num 4 Q RAmdeg 1.6 Q DEmdeg 0.5 Q pmRA 1.5
Q pmDE 0.5 BTmag 13.081 E BTmag 0.218 VTmag 12.502
E VTmag 0.165 Prox 261 TYC HIP
CCDM RAdeg 326.02342500 DEdeg 37.94838806 EpRA 1990 1.54
EpDE 1990 1.67 E RAdeg 113.1 E DEdeg 96.1 Posflg
Corr 0.2