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Current system
21015+3855
SEI 1371


Nearby doubles
9' : 21013+3846
ES 2057

10' : 21009+3900
SEI1365

17' : 21025+3844
SEI1374

21' : 21020+3914
LV 9

22' : 21018+3916
STF2746

26' : 21037+3857
TDT2720

29' : 21037+3842
SEI1384

30' : 21040+3854
TDT2723

34' : 20586+3856
SEI1341

37' : 20595+3923
SEI1357

38' : 21023+3931
H 4 113AB

38' : 20583+3904
SEI1340

39' : 21035+3825
SEI1381

39' : 20593+3924
TOB 207

40' : 21047+3908
SEI1393

40' : 20593+3925
SEI1353

43' : 21042+3924
SEI1389

43' : 20587+3922
BKO 478

45' : 20577+3849
SEI1332

46' : 20577+3845
DAM 222

46' : 21008+3940
SEI1364

46' : 21051+3914
ES 1987

46' : 20580+3918
ES 1985AB

47' : 20591+3932
TOB 205

47' : 20577+3848
ES 2056

47' : 21052+3838
ALI 958



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

21015+3855 SEI 1371

 
 
21h 01m 29.17s +38° 54' 55.4" P.A. 147.00 sep 11.2 mag 9.60,11.60 Sp A5
 
 
Coord 2000 21015+3855 Discov num SEI1371 Comp Coord arcsec 2000 21 01 29.17 +38 54 55.4
Date first 1895 Date last 1895 Obs 1
Pa first 147 Pa last 146.9 P.A. Now (θ) 146.9°
Sep first 11.2 Sep last 11.206 Sep. Now (ρ) 11.206"
Mag pri 9.60 Mag sec 11.60 delta mag (ΔM) 2 Spectral class A5 (white)
Pri motion ra +000 Sec motion ra
Pri motion dec -017 Sec motion dec
Notes X (Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3168-01952-1 Gaia DR2 1872193565946530688
 
 
WDS 21015+3855 SEI 1371 : 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
21015+3855 SEI1371 1895 1 147 11.2 9.60 11.60 A5 210129.17+385455.4

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

 
 
WDS 21015+3855 SEI 1371 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21015+3855 SEI 1371 : MEASURES
 
 
No records found.

 
 
WDS 21015+3855 : VIRTUAL EYEPIECE
 
 

21015+3855 SEI1371A mag 9.6 Sp A5 21015+3855 SEI1371B sep 10.5 P.A. 153.10 mag 11.6 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21015+3855 : ALADIN DSS IMAGE @ 21h 01m 29.17s +38° 54' 55.4"
 
 
 
 
WDS 21015+3855 SEI 1371 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21015+3855 SEI1371 distance=0' 21013+3846 ES 2057 distance=9' 21009+3900 SEI1365 distance=10' 21025+3844 SEI1374 distance=17' 21020+3914 LV 9 distance=21' 21018+3916 STF2746 distance=22' 21037+3857 TDT2720 distance=26' 21037+3842 SEI1384 distance=29' 21040+3854 TDT2723 distance=30' 20586+3856 SEI1341 distance=34' 20595+3923 SEI1357 distance=37' 21023+3931 H 4 113AB distance=38' 21023+3931 H 4 113AC distance=38' 21023+3931 SMY 6AE distance=38' 21023+3931 WRD 4AF distance=38' 21023+3931 SMY 6AD distance=38' 21023+3931 WRD 4AG distance=38' 21023+3931 FYM 114AI distance=38' 20583+3904 SEI1340 distance=38' 21023+3931 WRD 4ED distance=38' 21023+3931 WRD 4EH distance=38' 21035+3825 SEI1381 distance=39' 20593+3924 TOB 207 distance=39' 21047+3908 SEI1393 distance=40' 20593+3925 SEI1353 distance=40' 21042+3924 SEI1389 distance=43' 20587+3922 BKO 478 distance=43' 20577+3849 SEI1332 distance=45' 20577+3845 DAM 222 distance=46' 21008+3940 SEI1364 distance=46' 21051+3914 ES 1987 distance=46' 20580+3918 ES 1985AB distance=46' 20580+3918 SEI1338AC distance=46' 20580+3918 BKO 476BD distance=47' 20591+3932 TOB 205 distance=47' 20577+3848 ES 2056 distance=47' 21052+3838 ALI 958 distance=47' 20589+3931 SEI1348 distance=47' 20578+3833 HJ 1600 distance=49' 20578+3923 BKO 475 distance=51' 21014+3948 SEI1370 distance=53' 21029+3946 SEI1379 distance=54' 21012+3949 SEI1369 distance=54' 20570+3842 SEI1327 distance=54' 20577+3926 SEI1334 distance=54' 20592+3941 SEI1351AB distance=54' 20592+3941 TOB 206AC distance=54' 20572+3920 BKO 474 distance=57' 20591+3944 BKO 480 distance=57' 20566+3858 A 1436 distance=57' 20571+3920 BKO 473 distance=57' 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 21015+3855 SEI1371 147 11.2
Show 21013+3846 ES 2057 258 5.0 9
Show 21009+3900 SEI1365 263 18.4 10
Show 21025+3844 SEI1374 104 17.0 17
Show 21020+3914 LV 9 195 2.3 21
Show 21018+3916 STF2746 323 1.2 22
Show 21037+3857 TDT2720 214 0.5 26
Show 21037+3842 SEI1384 95 26.4 29
Show 21040+3854 TDT2723 122 2.6 30
Show 20586+3856 SEI1341 209 29.5 34
Show 20595+3923 SEI1357 93 14.4 37
Show 21023+3931 H 4 113 AB 299 18.9 38
Show 21023+3931 H 4 113 AC 248 26.7 38
Show 21023+3931 SMY 6 AE 87 95.7 38
Show 21023+3931 WRD 4 AF 223 101.8 38
Show 21023+3931 SMY 6 AD 141 57.0 38
Show 21023+3931 WRD 4 AG 230 95.0 38
Show 21023+3931 FYM 114 AI 277 41.1 38
Show 20583+3904 SEI1340 199 10.2 38
Show 21023+3931 WRD 4 ED 230 77.7 38
Show 21023+3931 WRD 4 EH 159 37.4 38
Show 21035+3825 SEI1381 170 16.9 39
Show 20593+3924 TOB 207 228 22.0 39
Show 21047+3908 SEI1393 132 25.7 40
Show 20593+3925 SEI1353 113 17.5 40
Show 21042+3924 SEI1389 61 18.2 43
Show 20587+3922 BKO 478 75 7.9 43
Show 20577+3849 SEI1332 64 9.1 45
Show 20577+3845 DAM 222 290 6.3 46
Show 21008+3940 SEI1364 114 12.1 46
Show 21051+3914 ES 1987 354 7.0 46
Show 20580+3918 ES 1985 AB 276 8.4 46
Show 20580+3918 SEI1338 AC 277 32.7 46
Show 20580+3918 BKO 476 BD 246 6.0 47
Show 20591+3932 TOB 205 203 14.5 47
Show 20577+3848 ES 2056 76 2.6 47
Show 21052+3838 ALI 958 146 8.1 47
Show 20589+3931 SEI1348 295 26.4 47
Show 20578+3833 HJ 1600 152 23.7 49
Show 20578+3923 BKO 475 265 5.5 51
Show 21014+3948 SEI1370 141 20.7 53
Show 21029+3946 SEI1379 7 19.4 54
Show 21012+3949 SEI1369 309 4.5 54
Show 20570+3842 SEI1327 89 4.6 54
Show 20577+3926 SEI1334 106 16.9 54
Show 20592+3941 SEI1351 AB 256 17.5 54
Show 20592+3941 TOB 206 AC 71 38.4 54
Show 20572+3920 BKO 474 24 3.3 57
Show 20591+3944 BKO 480 236 11.1 57
Show 20566+3858 A 1436 52 0.6 57
Show 20571+3920 BKO 473 34 5.4 57

 
 
WDS 21015+3855 : COMPONENTS
 
 
  A
B pa=153.1°
sep=10.53"
 
 
21015+3855 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210129.17+385455.4 Mag 9.6 Spectral class A5 (white)
PmRA 0.00 PmDE -17.0 Tycho2 3168-01952-1
Tycho2
Tycho2 3168-01952-1 Pflag RAmdeg 315.37156483 DEmdeg 38.91540949
PmRA 9.1 PmDE -9.4 E RAmdeg 13 E DEmdeg 12
E pmRA 1.0 E pmDE 1.0 EpRAm 1988.51 EpDEm 1989.28
Num 12 Q RAmdeg 0.9 Q DEmdeg 1.4 Q pmRA 0.9
Q pmDE 1.4 BTmag 10.069 E BTmag 0.025 VTmag 9.696
E VTmag 0.023 Prox 999 TYC T HIP
CCDM RAdeg 315.37153750 DEdeg 38.91542944 EpRA 1990 1.56
EpDE 1990 1.76 E RAdeg 14.4 E DEdeg 12.8 Posflg
Corr 0.1
CCDM
Ccdm 21015+3855 RComp Comp A Note1
Note2 Discov num DRAs -0.85 DDEs -5.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.6 Sp PmNote *
PmRA 5 PmDE -23 Dm number +38 4316 Cat1 BD
Name2 +38 2123 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 20576N3832A
HIC
 
 
21015+3855 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210129.58+385446.0 Mag 11.6 Calc delta mag 2
Calc coord yes
CCDM
Ccdm 21015+3855 RComp Comp B Note1
Note2 Discov num SEI1371 DRAs DDEs
R dRAs Year 1895 Theta 146 Rho 11.2
Obs 1 Vmag 11.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20576N3832B
HIC