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Doubles in session


Current system
21009+3900
SEI 1365


Nearby doubles
10' : 21015+3855
SEI1371

16' : 21013+3846
ES 2057

20' : 21018+3916
STF2746

21' : 21020+3914
LV 9

26' : 20586+3856
SEI1341

26' : 21025+3844
SEI1374

28' : 20595+3923
SEI1357

29' : 20583+3904
SEI1340

30' : 20593+3924
TOB 207

32' : 20593+3925
SEI1353

34' : 20587+3922
BKO 478

34' : 21037+3857
TDT2720

36' : 21023+3931
H 4 113AB

37' : 20580+3918
ES 1985AB

38' : 20577+3849
SEI1332

38' : 21040+3854
TDT2723

38' : 20591+3932
TOB 205

38' : 21037+3842
SEI1384

39' : 20589+3931
SEI1348

39' : 20577+3845
DAM 222

40' : 20577+3848
ES 2056

40' : 21008+3940
SEI1364

42' : 20578+3923
BKO 475

45' : 20577+3926
SEI1334

45' : 20578+3833
HJ 1600

46' : 21047+3908
SEI1393



Selections
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Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21009+3900 SEI 1365

 
 
21h 00m 48.52s +38° 59' 44.0" P.A. 263.00 sep 18.4 mag 11.40,11.90
 
 
Coord 2000 21009+3900 Discov num SEI1365 Comp Coord arcsec 2000 21 00 48.52 +38 59 44.0
Date first 1895 Date last 2015 Obs 11
Pa first 270 Pa last 263.1 P.A. Now (θ) 263.1°
Sep first 17.4 Sep last 18.44 Sep. Now (ρ) 18.44"
Mag pri 11.40 Mag sec 11.90 delta mag (ΔM) 0.5 Spectral class
Pri motion ra +007 Sec motion ra -001
Pri motion dec +015 Sec motion dec -003
Notes
rPM=1.19
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3168-02406-1 Gaia DR2 1872944326226546816
 
 
WDS 21009+3900 SEI 1365 : 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
21009+3900 SEI1365 2000 4 264 18.3 11.40 11.90 D 210048.52+385944.0
21009+3900 SEI1365 2011 5 263 18.3 11.40 11.90 D 210048.52+385944.0
21009+3900 SEI1365 2015 8 263 18.4 11.40 11.90 210048.52+385944.0

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

 
 
WDS 21009+3900 SEI 1365 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21009+3900 SEI 1365 : MEASURES
 
 
No records found.

 
 
WDS 21009+3900 : VIRTUAL EYEPIECE
 
 

21009+3900 SEI1365A mag 11.4 21009+3900 SEI1365B sep 14.4 P.A. 261.10 mag 11.9 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21009+3900 : ALADIN DSS IMAGE @ 21h 00m 48.52s +38° 59' 44.0"
 
 
 
 
WDS 21009+3900 SEI 1365 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21009+3900 SEI1365 distance=0' 21015+3855 SEI1371 distance=10' 21013+3846 ES 2057 distance=16' 21018+3916 STF2746 distance=20' 21020+3914 LV 9 distance=21' 20586+3856 SEI1341 distance=26' 21025+3844 SEI1374 distance=26' 20595+3923 SEI1357 distance=28' 20583+3904 SEI1340 distance=29' 20593+3924 TOB 207 distance=30' 20593+3925 SEI1353 distance=32' 20587+3922 BKO 478 distance=34' 21037+3857 TDT2720 distance=34' 21023+3931 H 4 113AB distance=36' 21023+3931 H 4 113AC distance=36' 21023+3931 SMY 6AE distance=36' 21023+3931 WRD 4AF distance=36' 21023+3931 SMY 6AD distance=36' 21023+3931 WRD 4AG distance=36' 21023+3931 FYM 114AI distance=36' 21023+3931 WRD 4ED distance=37' 21023+3931 WRD 4EH distance=37' 20580+3918 ES 1985AB distance=37' 20580+3918 SEI1338AC distance=37' 20580+3918 BKO 476BD distance=37' 20577+3849 SEI1332 distance=38' 21040+3854 TDT2723 distance=38' 20591+3932 TOB 205 distance=38' 21037+3842 SEI1384 distance=38' 20589+3931 SEI1348 distance=39' 20577+3845 DAM 222 distance=39' 20577+3848 ES 2056 distance=40' 21008+3940 SEI1364 distance=40' 20578+3923 BKO 475 distance=42' 20577+3926 SEI1334 distance=45' 20578+3833 HJ 1600 distance=45' 21047+3908 SEI1393 distance=46' 21042+3924 SEI1389 distance=46' 20592+3941 SEI1351AB distance=46' 20592+3941 TOB 206AC distance=46' 21035+3825 SEI1381 distance=47' 20572+3920 BKO 474 distance=48' 20570+3842 SEI1327 distance=48' 20571+3920 BKO 473 distance=48' 21014+3948 SEI1370 distance=49' 21012+3949 SEI1369 distance=49' 20587+3942 BKO 477 distance=49' 20591+3944 BKO 480 distance=49' 20566+3858 A 1436 distance=49' 20590+3945 SEI1349 distance=51' 20592+3946 BKO 481 distance=51' 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 21009+3900 SEI1365 263 18.4
Show 21015+3855 SEI1371 147 11.2 10
Show 21013+3846 ES 2057 258 5.0 16
Show 21018+3916 STF2746 323 1.2 20
Show 21020+3914 LV 9 195 2.3 21
Show 20586+3856 SEI1341 209 29.5 26
Show 21025+3844 SEI1374 104 17.0 26
Show 20595+3923 SEI1357 93 14.4 28
Show 20583+3904 SEI1340 199 10.2 29
Show 20593+3924 TOB 207 228 22.0 30
Show 20593+3925 SEI1353 113 17.5 32
Show 20587+3922 BKO 478 75 7.9 34
Show 21037+3857 TDT2720 214 0.5 34
Show 21023+3931 H 4 113 AB 299 18.9 36
Show 21023+3931 H 4 113 AC 248 26.7 36
Show 21023+3931 SMY 6 AE 87 95.7 36
Show 21023+3931 WRD 4 AF 223 101.8 36
Show 21023+3931 SMY 6 AD 141 57.0 36
Show 21023+3931 WRD 4 AG 230 95.0 36
Show 21023+3931 FYM 114 AI 277 41.1 36
Show 21023+3931 WRD 4 ED 230 77.7 37
Show 21023+3931 WRD 4 EH 159 37.4 37
Show 20580+3918 ES 1985 AB 276 8.4 37
Show 20580+3918 SEI1338 AC 277 32.7 37
Show 20580+3918 BKO 476 BD 246 6.0 37
Show 20577+3849 SEI1332 64 9.1 38
Show 21040+3854 TDT2723 122 2.6 38
Show 20591+3932 TOB 205 203 14.5 38
Show 21037+3842 SEI1384 95 26.4 38
Show 20589+3931 SEI1348 295 26.4 39
Show 20577+3845 DAM 222 290 6.3 39
Show 20577+3848 ES 2056 76 2.6 40
Show 21008+3940 SEI1364 114 12.1 40
Show 20578+3923 BKO 475 265 5.5 42
Show 20577+3926 SEI1334 106 16.9 45
Show 20578+3833 HJ 1600 152 23.7 45
Show 21047+3908 SEI1393 132 25.7 46
Show 21042+3924 SEI1389 61 18.2 46
Show 20592+3941 SEI1351 AB 256 17.5 46
Show 20592+3941 TOB 206 AC 71 38.4 46
Show 21035+3825 SEI1381 170 16.9 47
Show 20572+3920 BKO 474 24 3.3 48
Show 20570+3842 SEI1327 89 4.6 48
Show 20571+3920 BKO 473 34 5.4 48
Show 21014+3948 SEI1370 141 20.7 49
Show 21012+3949 SEI1369 309 4.5 49
Show 20587+3942 BKO 477 8 7.6 49
Show 20591+3944 BKO 480 236 11.1 49
Show 20566+3858 A 1436 52 0.6 49
Show 20590+3945 SEI1349 160 27.9 51
Show 20592+3946 BKO 481 204 11.5 51

 
 
WDS 21009+3900 : COMPONENTS
 
 
  A
B pa=261.1°
sep=14.40"
 
 
21009+3900 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210048.52+385944.0 Mag 11.4 PmRA 7.00
PmDE 15.0 Tycho2 3168-02406-1
Tycho2
Tycho2 3168-02406-1 Pflag RAmdeg 315.20217969 DEmdeg 38.99557053
PmRA 7.5 PmDE 15.0 E RAmdeg 53 E DEmdeg 49
E pmRA 1.9 E pmDE 1.8 EpRAm 1981.06 EpDEm 1981.94
Num 5 Q RAmdeg 0.1 Q DEmdeg 0.7 Q pmRA 0.1
Q pmDE 0.7 BTmag 11.979 E BTmag 0.096 VTmag 11.400
E VTmag 0.086 Prox 778 TYC HIP
CCDM RAdeg 315.20215806 DEdeg 38.99553500 EpRA 1990 1.66
EpDE 1990 1.77 E RAdeg 56.9 E DEdeg 52.4 Posflg
Corr 0.1
 
 
21009+3900 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210047.30+385941.8 Mag 11.9 PmRA -1.00
PmDE -3.0 Calc delta mag 0.5 Calc coord yes