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Current system
21102+3844
SEI 1426


Nearby doubles
8' : 21105+3851
SEI1429

13' : 21113+3841
GUR 7AB

13' : 21091+3844
S 779

14' : 21097+3856
COU1967

15' : 21114+3840
GUR 8

16' : 21112+3855
ES 1991

16' : 21109+3830
ES 254

17' : 21110+3859
GUR 5

18' : 21111+3831
GUR 6

23' : 21108+3906
GUR 4

23' : 21094+3905
GUR 1

25' : 21095+3822
GUR 2

26' : 21091+3822
SEI1417

27' : 21111+3821
ES 207

28' : 21108+3818
ALI 682

28' : 21126+3846
COU2136

29' : 21125+3834
SEI1445

30' : 21122+3828
SMA 137

31' : 21078+3834
BRT2233

31' : 21108+3814
TDT2806

33' : 21117+3818
SMA 136

34' : 21130+3854
GUR 15

34' : 21074+3841
MLB1019

35' : 21074+3853
MLB 890

35' : 21075+3831
SEI1408

35' : 21072+3841
MLB1018



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

21102+3844 SEI 1426

 
 
21h 10m 14.39s +38° 44' 10.5" P.A. 20.00 sep 17.6 mag 10.23,11.96
 
 
Coord 2000 21102+3844 Discov num SEI1426 Comp Coord arcsec 2000 21 10 14.39 +38 44 10.5
Date first 1895 Date last 2015 Obs 12
Pa first 15 Pa last 19.5 P.A. Now (θ) 19.5°
Sep first 17.0 Sep last 17.587 Sep. Now (ρ) 17.587"
Mag pri 10.23 Mag sec 11.96 delta mag (ΔM) 1.73 Spectral class
Pri motion ra -011 Sec motion ra -001
Pri motion dec -008 Sec motion dec -009
Notes
rPM=0.739
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3169-02123-1 Gaia DR2 1871999570860689920
 
 
WDS 21102+3844 SEI 1426 : 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
21102+3844 SEI1426 1998 5 19 17.6 10.23 11.71 D 211014.39+384410.5
21102+3844 SEI1426 2002 6 20 17.6 10.23 11.71 D 211014.39+384410.5
21102+3844 SEI1426 2012 7 20 17.6 10.23 11.96 211014.39+384410.5
21102+3844 SEI1426 2015 9 20 17.6 10.23 11.96 211014.39+384410.5

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

 
 
WDS 21102+3844 SEI 1426 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21102+3844 SEI 1426 : MEASURES
 
 
No records found.

 
 
WDS 21102+3844 : VIRTUAL EYEPIECE
 
 

21102+3844 SEI1426A mag 10.23 21102+3844 SEI1426B sep 17.2 P.A. 15.40 mag 11.96 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21102+3844 : ALADIN DSS IMAGE @ 21h 10m 14.39s +38° 44' 10.5"
 
 
 
 
WDS 21102+3844 SEI 1426 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21102+3844 SEI1426 distance=0' 21105+3851 SEI1429 distance=8' 21113+3841 GUR 7AB distance=13' 21113+3841 GUR 7AC distance=13' 21091+3844 S 779 distance=13' 21097+3856 COU1967 distance=14' 21114+3840 GUR 8 distance=15' 21112+3855 ES 1991 distance=16' 21109+3830 ES 254 distance=16' 21110+3859 GUR 5 distance=17' 21111+3831 GUR 6 distance=18' 21108+3906 GUR 4 distance=23' 21094+3905 GUR 1 distance=23' 21095+3822 GUR 2 distance=25' 21091+3822 SEI1417 distance=26' 21111+3821 ES 207 distance=27' 21108+3818 ALI 682 distance=28' 21126+3846 COU2136 distance=28' 21125+3834 SEI1445 distance=29' 21122+3828 SMA 137 distance=30' 21078+3834 BRT2233 distance=31' 21108+3814 TDT2806 distance=31' 21117+3818 SMA 136 distance=33' 21130+3854 GUR 15 distance=34' 21074+3841 MLB1019 distance=34' 21074+3853 MLB 890 distance=35' 21075+3831 SEI1408 distance=35' 21072+3841 MLB1018 distance=35' 21111+3918 MLB 892 distance=35' 21130+3858 ES 257 distance=36' 21083+3816 SEI1411 distance=36' 21110+3919 MLB 891 distance=37' 21073+3857 MLB 889 distance=37' 21071+3852 MLB 888 distance=38' 21126+3819 GUR 10 distance=38' 21128+3907 SEI1447 distance=38' 21128+3907 GUR 13Aa,Ab distance=38' 21070+3839 ES 2059 distance=38' 21133+3835 SMA 140 distance=39' 21069+3845 HZE 4BL distance=39' 21069+3845 TNN 15BR distance=39' 21069+3845 STF2758BC distance=39' 21069+3845 FYM 106BM distance=39' 21069+3845 FYM 106BN distance=39' 21069+3845 STF2758AB distance=40' 21069+3845 STF2758AD distance=40' 21069+3845 STF2758AE distance=40' 21069+3845 STF2758AF distance=40' 21069+3845 STF2758AG distance=40' 21069+3845 STF2758AH distance=40' 21069+3845 SMR 1AI distance=40' 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 21102+3844 SEI1426 20 17.6
Show 21105+3851 SEI1429 351 25.1 8
Show 21113+3841 GUR 7 AB 77 10.3 13
Show 21113+3841 GUR 7 AC 242 7.2 13
Show 21091+3844 S 779 9 110.5 13
Show 21097+3856 COU1967 192 0.8 14
Show 21114+3840 GUR 8 8 10.4 15
Show 21112+3855 ES 1991 25 2.6 16
Show 21109+3830 ES 254 325 2.2 16
Show 21110+3859 GUR 5 2 0.2 17
Show 21111+3831 GUR 6 348 3.6 18
Show 21108+3906 GUR 4 106 5.2 23
Show 21094+3905 GUR 1 150 8.3 23
Show 21095+3822 GUR 2 67 4.0 25
Show 21091+3822 SEI1417 140 31.3 26
Show 21111+3821 ES 207 244 2.4 27
Show 21108+3818 ALI 682 129 8.9 28
Show 21126+3846 COU2136 293 0.4 28
Show 21125+3834 SEI1445 23 27.9 29
Show 21122+3828 SMA 137 121 9.6 30
Show 21078+3834 BRT2233 38 3.9 31
Show 21108+3814 TDT2806 259 0.4 31
Show 21117+3818 SMA 136 122 3.8 33
Show 21130+3854 GUR 15 64 4.8 34
Show 21074+3841 MLB1019 226 4.3 34
Show 21074+3853 MLB 890 250 5.3 35
Show 21075+3831 SEI1408 54 9.3 35
Show 21072+3841 MLB1018 252 4.4 35
Show 21111+3918 MLB 892 188 4.3 35
Show 21130+3858 ES 257 317 6.6 36
Show 21083+3816 SEI1411 4 5.1 36
Show 21110+3919 MLB 891 253 8.7 37
Show 21073+3857 MLB 889 5 7.0 37
Show 21071+3852 MLB 888 55 4.0 38
Show 21126+3819 GUR 10 294 5.3 38
Show 21128+3907 SEI1447 151 13.3 38
Show 21128+3907 GUR 13 Aa,Ab 44 0.5 38
Show 21070+3839 ES 2059 267 6.8 38
Show 21133+3835 SMA 140 127 17.2 39
Show 21069+3845 HZE 4 BL 145 9.9 39
Show 21069+3845 TNN 15 BR 77 11.5 39
Show 21069+3845 STF2758 BC 221 827.6 39
Show 21069+3845 FYM 106 BM 238 100.7 39
Show 21069+3845 FYM 106 BN 152 48.3 39
Show 21069+3845 STF2758 AB 154 32.0 40
Show 21069+3845 STF2758 AD 250 748.0 40
Show 21069+3845 STF2758 AE 267 340.8 40
Show 21069+3845 STF2758 AF 240 371.2 40
Show 21069+3845 STF2758 AG 236 260.4 40
Show 21069+3845 STF2758 AH 263 134.0 40
Show 21069+3845 SMR 1 AI 236 49.3 40

 
 
WDS 21102+3844 : COMPONENTS
 
 
  A
B pa=15.4°
sep=17.20"
 
 
21102+3844 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211014.39+384410.5 Mag 10.23 PmRA -11.00
PmDE -8.0 Tycho2 3169-02123-1 DM BD+38 4368
Tycho2
Tycho2 3169-02123-1 Pflag RAmdeg 317.55997302 DEmdeg 38.73625750
PmRA -9.5 PmDE -11.4 E RAmdeg 25 E DEmdeg 23
E pmRA 1.9 E pmDE 1.9 EpRAm 1989.41 EpDEm 1989.80
Num 4 Q RAmdeg 0.6 Q DEmdeg 0.9 Q pmRA 0.7
Q pmDE 0.9 BTmag 10.887 E BTmag 0.044 VTmag 10.233
E VTmag 0.035 Prox 173 TYC T HIP
CCDM RAdeg 317.56000139 DEdeg 38.73628417 EpRA 1990 1.61
EpDE 1990 1.68 E RAdeg 24.8 E DEdeg 23.3 Posflg
Corr 0.2
CCDM
Ccdm 21102+3844 RComp Comp A Note1
Note2 Discov num DRAs 2.43 DDEs 10.9
R dRAs 65 Year Theta Rho
Obs 2 Vmag 10.1 Sp PmNote
PmRA PmDE Dm number +38 4368 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21063N3820A
HIC
 
 
21102+3844 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211014.78+384427.1 Mag 11.96 PmRA -1.00
PmDE -9.0 Tycho2 3169-02494-1 Calc delta mag 1.73 Calc coord yes
Tycho2
Tycho2 3169-02494-1 Pflag RAmdeg 317.56203494 DEmdeg 38.74080120
PmRA 3.3 PmDE -13.7 E RAmdeg 63 E DEmdeg 57
E pmRA 2.4 E pmDE 2.3 EpRAm 1981.84 EpDEm 1982.52
Num 4 Q RAmdeg 0.8 Q DEmdeg 0.1 Q pmRA 0.8
Q pmDE 0.1 BTmag 11.899 E BTmag 0.094 VTmag 11.710
E VTmag 0.133 Prox 173 TYC HIP
CCDM RAdeg 317.56202333 DEdeg 38.74083306 EpRA 1990 1.55
EpDE 1990 1.64 E RAdeg 67.4 E DEdeg 61.2 Posflg
Corr 0.2
CCDM
Ccdm 21102+3844 RComp Comp B Note1
Note2 Discov num SEI1426 DRAs 2.89 DDEs 27.5
R dRAs 65 Year 1895 Theta 016 Rho 17.0
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 21063N3820B
HIC