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Current system
21529+3901
SEI 1542


Nearby doubles
11' : 21520+3857
COU1823

20' : 21526+3841
MLB 991

28' : 21550+3851
TDT3237

29' : 21509+3918
MLB 788

31' : 21506+3847
MLB 962

31' : 21550+3843
KU 62

34' : 21556+3849
A 1449

37' : 21520+3826
HDS3114

39' : 21504+3927
HO 170

41' : 21513+3938
TDT3196

44' : 21512+3941
TDT3192

45' : 21522+3817
TDT3205

45' : 21492+3849
TDT3176

47' : 21490+3912
TDT3173

50' : 21571+3858
SEI1545

51' : 21487+3914
TDS1147

52' : 21505+3944
ES 211AB

52' : 21547+3814
TOK 638AB

54' : 21542+3953
HJ 1703

55' : 21493+3937
SEI1536

57' : 21576+3912
TDT3260

57' : 21481+3911
TDT3162

62' : 21493+3816
A 1448

68' : 21586+3900
COU1824

73' : 21591+3900
MLB 789

77' : 21464+3847
MLB 961



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

21529+3901 SEI 1542

 
 
21h 52m 52.21s +39° 00' 56.8" P.A. 172.00 sep 29.7 mag 12.41,12.25
 
 
Coord 2000 21529+3901 Discov num SEI1542 Comp Coord arcsec 2000 21 52 52.21 +39 00 56.8
Date first 1895 Date last 2015 Obs 10
Pa first 169 Pa last 172.4 P.A. Now (θ) 172.4°
Sep first 28.7 Sep last 29.727 Sep. Now (ρ) 29.727"
Mag pri 12.41 Mag sec 12.25 delta mag (ΔM) 0.16 Spectral class
Pri motion ra +013 Sec motion ra -002
Pri motion dec +004 Sec motion dec -005
Notes
rPM=1.286
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1953139096575844992
 
 
WDS 21529+3901 SEI 1542 : 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
21529+3901 SEI1542 1999 3 172 29.6 11.00 11.00 D 215252.21+390056.8
21529+3901 SEI1542 2011 4 172 30.2 11.00 11.00 D 215252.21+390056.8
21529+3901 SEI1542 2015 7 172 29.7 12.41 12.25 215252.21+390056.8

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

 
 
WDS 21529+3901 SEI 1542 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21529+3901 SEI 1542 : MEASURES
 
 
No records found.

 
 
WDS 21529+3901 : VIRTUAL EYEPIECE
 
 

21529+3901 SEI1542A mag 12.41 21529+3901 SEI1542B sep 29.6 P.A. 174.10 mag 12.25 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21529+3901 : ALADIN DSS IMAGE @ 21h 52m 52.21s +39° 00' 56.8"
 
 
 
 
WDS 21529+3901 SEI 1542 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21529+3901 SEI1542 distance=1' 21520+3857 COU1823 distance=11' 21526+3841 MLB 991 distance=20' 21550+3851 TDT3237 distance=28' 21509+3918 MLB 788 distance=29' 21506+3847 MLB 962 distance=31' 21550+3843 KU 62 distance=31' 21556+3849 A 1449 distance=34' 21520+3826 HDS3114 distance=37' 21504+3927 HO 170 distance=39' 21513+3938 TDT3196 distance=41' 21512+3941 TDT3192 distance=44' 21522+3817 TDT3205 distance=45' 21492+3849 TDT3176 distance=45' 21490+3912 TDT3173 distance=47' 21571+3858 SEI1545 distance=50' 21487+3914 TDS1147 distance=51' 21505+3944 ES 211AB distance=52' 21505+3944 ES 211AC distance=52' 21505+3944 ES 211AD distance=52' 21547+3814 TOK 638AB distance=52' 21542+3953 HJ 1703 distance=54' 21493+3937 SEI1536 distance=55' 21576+3912 TDT3260 distance=57' 21481+3911 TDT3162 distance=57' 21493+3816 A 1448 distance=62' 21586+3900 COU1824 distance=68' 21591+3900 MLB 789 distance=73' 21464+3847 MLB 961 distance=77' 21590+3839 COU1339 distance=77' 21502+3750 ES 1996 distance=77' 21484+3806 ALI 694 distance=78' 21559+3752 ES 2524 distance=78' 21585+3944 TDT3268 distance=79' 21506+4017 SEI1539 distance=81' 21518+4022 TDT3199 distance=82' 21512+3741 TDT3193 distance=83' 21576+4004 SEI1546 distance=84' 22001+3859 TDT3284 distance=85' 21523+4025 ES 261 distance=86' 21466+3815 COU1639 distance=88' 21599+3930 ALI1168 distance=88' 21453+3853 TDT3139 distance=89' 21459+3943 SEI1535 distance=91' 21596+3947 TDT3278 distance=92' 21514+3730 SEI1540 distance=92' 21590+4001 GMZ 201 distance=94' 21591+4001 MLB1022 distance=94' 21599+3949 GRV 527 distance=96' 21595+3959 MLB1023 distance=96' 21589+3755 A 1450 distance=97' 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 21529+3901 SEI1542 172 29.7 1
Show 21520+3857 COU1823 13 1.0 11
Show 21526+3841 MLB 991 4.4 20
Show 21550+3851 TDT3237 115 1.7 28
Show 21509+3918 MLB 788 52 4.9 29
Show 21506+3847 MLB 962 322 4.4 31
Show 21550+3843 KU 62 54 1.6 31
Show 21556+3849 A 1449 50 0.3 34
Show 21520+3826 HDS3114 119 0.1 37
Show 21504+3927 HO 170 256 0.3 39
Show 21513+3938 TDT3196 234 2.1 41
Show 21512+3941 TDT3192 118 0.5 44
Show 21522+3817 TDT3205 142 0.5 45
Show 21492+3849 TDT3176 1 2.3 45
Show 21490+3912 TDT3173 137 0.6 47
Show 21571+3858 SEI1545 324 5.8 50
Show 21487+3914 TDS1147 26 1.0 51
Show 21505+3944 ES 211 AB 197 2.5 52
Show 21505+3944 ES 211 AC 178 10.1 52
Show 21505+3944 ES 211 AD 102 21.1 52
Show 21547+3814 TOK 638 AB 65 999.9 52
Show 21542+3953 HJ 1703 82 8.9 54
Show 21493+3937 SEI1536 147 28.1 55
Show 21576+3912 TDT3260 304 0.5 57
Show 21481+3911 TDT3162 146 2.0 57
Show 21493+3816 A 1448 331 4.7 62
Show 21586+3900 COU1824 300 0.6 68
Show 21591+3900 MLB 789 359 9.8 73
Show 21464+3847 MLB 961 4 6.5 77
Show 21590+3839 COU1339 261 1.4 77
Show 21502+3750 ES 1996 337 2.3 77
Show 21484+3806 ALI 694 163 6.4 78
Show 21559+3752 ES 2524 277 6.2 78
Show 21585+3944 TDT3268 318 0.5 79
Show 21506+4017 SEI1539 260 27.0 81
Show 21518+4022 TDT3199 341 3.9 82
Show 21512+3741 TDT3193 212 1.2 83
Show 21576+4004 SEI1546 212 29.0 84
Show 22001+3859 TDT3284 233 1.3 85
Show 21523+4025 ES 261 165 5.1 86
Show 21466+3815 COU1639 204 1.8 88
Show 21599+3930 ALI1168 206 13.6 88
Show 21453+3853 TDT3139 65 0.5 89
Show 21459+3943 SEI1535 229 8.5 91
Show 21596+3947 TDT3278 338 0.4 92
Show 21514+3730 SEI1540 207 23.6 92
Show 21590+4001 GMZ 201 114 12.8 94
Show 21591+4001 MLB1022 246 8.1 94
Show 21599+3949 GRV 527 313 58.5 96
Show 21595+3959 MLB1023 236 5.3 96
Show 21589+3755 A 1450 190 4.1 97

 
 
WDS 21529+3901 : COMPONENTS
 
 
  A
B pa=174.1°
sep=29.62"
 
 
21529+3901 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 215252.21+390056.8 Mag 12.41 PmRA 13.00
PmDE 4.0
CCDM
Ccdm 21529+3901 RComp Comp A Note1
Note2 Discov num DRAs -1.79 DDEs -3.8
R dRAs 65 Year Theta Rho
Obs 2 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21487N3833A
HIC
 
 
21529+3901 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 215252.47+390027.3 Mag 12.25 PmRA -2.00
PmDE -5.0 Calc delta mag 0.16 Calc coord yes
CCDM
Ccdm 21529+3901 RComp Comp B Note1
Note2 Discov num SEI1542 DRAs -1.43 DDEs -33.1
R dRAs 65 Year 1895 Theta 168 Rho 28.7
Obs 1 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21487N3833B
HIC