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Current system
21203+3839
SEI 1509


Nearby doubles
4' : 21202+3835
SEI1508

17' : 21200+3854
SEI1505

19' : 21202+3818
PTT 18

24' : 21199+3815
ES 2062

25' : 21222+3848
TDT2929

27' : 21194+3814
HO 286AB

28' : 21182+3850
ES 1993

28' : 21226+3846
HDS3044

31' : 21181+3854
SEI1494

31' : 21190+3905
SEI1498AB

35' : 21189+3909
AG 270

39' : 21231+3821
ALI 689

44' : 21167+3826
SMA 148

44' : 21169+3855
MLB1020

44' : 21239+3837
GRV 461

47' : 21233+3810
ALI 690

47' : 21169+3906
SEI1486

48' : 21166+3817
SMA 147

48' : 21173+3806
TOI1320

49' : 21170+3810
SEI1485

49' : 21163+3856
TDT2875

52' : 21175+3919
MLB 959

54' : 21233+3801
ES 2519

55' : 21228+3754
WIS 349

55' : 21195+3745
TDT2904

55' : 21167+3803
DAM1262



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

21203+3839 SEI 1509

 
 
21h 20m 16.00s +38° 38' 56.6" P.A. 29.00 sep 24.5 mag 9.08,11.50 Sp F8
 
 
Coord 2000 21203+3839 Discov num SEI1509 Comp Coord arcsec 2000 21 20 16.00 +38 38 56.6
Date first 1895 Date last 2015 Obs 13
Pa first 33 Pa last 29.1 P.A. Now (θ) 29.1°
Sep first 26.4 Sep last 24.517 Sep. Now (ρ) 24.517"
Mag pri 9.08 Mag sec 11.50 delta mag (ΔM) 2.42 Spectral class F8 (yellow-white)
Pri motion ra +023 Sec motion ra +004
Pri motion dec +005 Sec motion dec -003
Notes
rPM=0.876
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3182-00606-1 Gaia DR2 1964893833649863936
 
 
WDS 21203+3839 SEI 1509 : 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
21203+3839 SEI1509 1999 7 30 24.8 9.08 11.50 F8 D 212016.00+383856.6
21203+3839 SEI1509 2010 8 29 24.6 9.08 11.50 F8 D 212016.00+383856.6
21203+3839 SEI1509 2015 11 29 24.5 9.08 11.50 F8 212016.00+383856.6

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

 
 
WDS 21203+3839 SEI 1509 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21203+3839 SEI 1509 : MEASURES
 
 
No records found.

 
 
WDS 21203+3839 : VIRTUAL EYEPIECE
 
 

21203+3839 SEI1509A mag 9.08 Sp F8 21203+3839 SEI1509B sep 23.4 P.A. 23.50 mag 11.5 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21203+3839 : ALADIN DSS IMAGE @ 21h 20m 16.00s +38° 38' 56.6"
 
 
 
 
WDS 21203+3839 SEI 1509 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21203+3839 SEI1509 distance=1' 21202+3835 SEI1508 distance=4' 21200+3854 SEI1505 distance=17' 21202+3818 PTT 18 distance=19' 21199+3815 ES 2062 distance=24' 21222+3848 TDT2929 distance=25' 21194+3814 HO 286AB distance=27' 21194+3814 CIA 5Aa,Ab distance=27' 21194+3814 KRV 42AC distance=27' 21182+3850 ES 1993 distance=28' 21226+3846 HDS3044 distance=28' 21181+3854 SEI1494 distance=31' 21190+3905 TOB 220BC distance=31' 21190+3905 SEI1498AB distance=31' 21189+3909 AG 270 distance=35' 21231+3821 ALI 689 distance=39' 21167+3826 SMA 148 distance=44' 21169+3855 MLB1020 distance=44' 21239+3837 GRV 461 distance=44' 21233+3810 ALI 690 distance=47' 21169+3906 SEI1486 distance=47' 21166+3817 SMA 147 distance=48' 21173+3806 TOI1320 distance=48' 21170+3810 SEI1485 distance=49' 21163+3856 TDT2875 distance=49' 21175+3919 MLB 959 distance=52' 21233+3801 ES 2519 distance=54' 21228+3754 WIS 349 distance=55' 21195+3745 TDT2904 distance=55' 21167+3803 DAM1262 distance=55' 21184+3749 SEI1495 distance=55' 21184+3930 SEI1496 distance=56' 21247+3903 ALI 969 distance=57' 21181+3929 MLB 895 distance=57' 21152+3833 ES 2061 distance=60' 21154+3902 SEI1477 distance=62' 21250+3814 TDT2950 distance=62' 21226+3744 COU1820 distance=62' 21149+3847 GUR 27 distance=64' 21149+3844 GUR 26AB distance=64' 21149+3844 GUR 26AC distance=64' 21148+3847 GUR 25 distance=65' 21257+3824 TDT2955 distance=65' 21154+3912 MLB 894 distance=66' 21224+3940 ALI1161 distance=66' 21191+3944 SEI1501 distance=67' 21146+3832 SEI1464AB distance=67' 21146+3832 GUR 24AC distance=67' 21146+3832 GUR 24AD distance=67' 21146+3844 GUR 22 distance=67' 21148+3901 ALI 966 distance=68' 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 21203+3839 SEI1509 29 24.5 1
Show 21202+3835 SEI1508 271 19.6 4
Show 21200+3854 SEI1505 341 10.8 17
Show 21202+3818 PTT 18 124 6.6 19
Show 21199+3815 ES 2062 327 4.0 24
Show 21222+3848 TDT2929 29 0.6 25
Show 21194+3814 HO 286 AB 237 0.2 27
Show 21194+3814 CIA 5 Aa,Ab 230 0.0 27
Show 21194+3814 KRV 42 AC 256 65.7 27
Show 21182+3850 ES 1993 264 9.4 28
Show 21226+3846 HDS3044 141 0.1 28
Show 21181+3854 SEI1494 357 24.5 31
Show 21190+3905 TOB 220 BC 75 12.5 31
Show 21190+3905 SEI1498 AB 89 28.9 31
Show 21189+3909 AG 270 112 5.8 35
Show 21231+3821 ALI 689 107 14.6 39
Show 21167+3826 SMA 148 357 3.9 44
Show 21169+3855 MLB1020 159 4.6 44
Show 21239+3837 GRV 461 197 65.7 44
Show 21233+3810 ALI 690 65 8.8 47
Show 21169+3906 SEI1486 318 23.9 47
Show 21166+3817 SMA 147 319 13.2 48
Show 21173+3806 TOI1320 50 0.3 48
Show 21170+3810 SEI1485 175 26.6 49
Show 21163+3856 TDT2875 144 1.8 49
Show 21175+3919 MLB 959 291 7.8 52
Show 21233+3801 ES 2519 224 6.5 54
Show 21228+3754 WIS 349 176 44.9 55
Show 21195+3745 TDT2904 216 2.0 55
Show 21167+3803 DAM1262 275 34.4 55
Show 21184+3749 SEI1495 273 14.8 55
Show 21184+3930 SEI1496 352 19.5 56
Show 21247+3903 ALI 969 63 8.2 57
Show 21181+3929 MLB 895 182 5.7 57
Show 21152+3833 ES 2061 298 3.4 60
Show 21154+3902 SEI1477 59 20.8 62
Show 21250+3814 TDT2950 200 1.6 62
Show 21226+3744 COU1820 319 1.4 62
Show 21149+3847 GUR 27 142 7.8 64
Show 21149+3844 GUR 26 AB 325 7.5 64
Show 21149+3844 GUR 26 AC 274 15.7 64
Show 21148+3847 GUR 25 152 9.8 65
Show 21257+3824 TDT2955 18 0.5 65
Show 21154+3912 MLB 894 200 3.1 66
Show 21224+3940 ALI1161 292 15.5 66
Show 21191+3944 SEI1501 240 29.7 67
Show 21146+3832 SEI1464 AB 264 28.9 67
Show 21146+3832 GUR 24 AC 264 7.4 67
Show 21146+3832 GUR 24 AD 218 5.4 67
Show 21146+3844 GUR 22 337 6.2 67
Show 21148+3901 ALI 966 99 6.6 68

 
 
WDS 21203+3839 : COMPONENTS
 
 
  A
B pa=23.5°
sep=23.36"
 
 
21203+3839 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 212016.00+383856.6 Mag 9.08 Spectral class F8 (yellow-white)
PmRA 23.00 PmDE 5.0 Tycho2 3182-00606-1
Tycho2
Tycho2 3182-00606-1 Pflag RAmdeg 320.06666571 DEmdeg 38.64904229
PmRA 22.4 PmDE 3.9 E RAmdeg 10 E DEmdeg 9
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.43 EpDEm 1990.64
Num 9 Q RAmdeg 1.1 Q DEmdeg 0.9 Q pmRA 1.1
Q pmDE 0.9 BTmag 9.624 E BTmag 0.021 VTmag 9.082
E VTmag 0.017 Prox 246 TYC T HIP
CCDM RAdeg 320.06659861 DEdeg 38.64903361 EpRA 1990 1.65
EpDE 1990 1.71 E RAdeg 10.0 E DEdeg 9.3 Posflg
Corr 0.1
CCDM
Ccdm 21203+3839 RComp Comp A Note1
Note2 Discov num DRAs -2.15 DDEs -3.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.4 Sp PmNote *
PmRA 7 PmDE -4 Dm number +38 4455 Cat1 BD
Name2 +38 2188 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 21163N3814A
HIC
 
 
21203+3839 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212016.79+383918.0 Mag 11.5 PmRA 4.00
PmDE -3.0 Tycho2 3182-00610-1 Calc delta mag 2.42 Calc coord yes
Tycho2
Tycho2 3182-00610-1 Pflag RAmdeg 320.07083250 DEmdeg 38.65500006
PmRA -0.2 PmDE -3.1 E RAmdeg 56 E DEmdeg 51
E pmRA 1.9 E pmDE 1.8 EpRAm 1979.99 EpDEm 1980.85
Num 5 Q RAmdeg 1.2 Q DEmdeg 0.2 Q pmRA 1.3
Q pmDE 0.2 BTmag 11.835 E BTmag 0.085 VTmag 11.503
E VTmag 0.109 Prox 246 TYC T HIP
CCDM RAdeg 320.07082944 DEdeg 38.65500750 EpRA 1990 1.64
EpDE 1990 1.75 E RAdeg 60.4 E DEdeg 55.1 Posflg
Corr 0.1
CCDM
Ccdm 21203+3839 RComp Comp B Note1
Note2 Discov num SEI1509 DRAs DDEs
R dRAs Year 1895 Theta 033 Rho 26.5
Obs 1 Vmag 12.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21163N3814B
HIC