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Current system
20001+3842
SEI 777


Nearby doubles
14' : 19595+3853
ALI 912

16' : 19593+3829
SEI 772AB

16' : 19590+3851
SEI 763

16' : 19591+3831
SEI 767AB

23' : 19584+3830
J 1070

23' : 20020+3840
A 1411AB

24' : 19592+3821
TDT1900

25' : 19580+3840
A 1409

26' : 19579+3843
SEI 751AB

26' : 20022+3849
ES 2044

28' : 19578+3842
SEI 750

32' : 19573+3839
DAM 185

33' : 20022+3822
TDT1927

34' : 20011+3913
SEI 791

35' : 20012+3811
ALI 652

35' : 19591+3809
COU2411

35' : 19586+3711
COU2410

36' : 19570+3836
MLB 948

37' : 19576+3906
MLB 981

39' : 19578+3910
HEI9014

40' : 19586+3806
STF2609

43' : 20035+3837
COU2533

43' : 19576+3914
J 1069

45' : 19590+3759
SEI 760

46' : 19596+3756
SEI 775

47' : 19561+3845
A 1407



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

20001+3842 SEI 777

 
 
20h 00m 01.96s +38° 41' 58.9" P.A. 222.00 sep 25.0 mag 11.62,11.77 Sp A0
 
 
Coord 2000 20001+3842 Discov num SEI 777 Comp Coord arcsec 2000 20 00 01.96 +38 41 58.9
Date first 1896 Date last 2017 Obs 14
Pa first 224 Pa last 221.6 P.A. Now (θ) 221.6°
Sep first 26.6 Sep last 25.033 Sep. Now (ρ) 25.033"
Mag pri 11.62 Mag sec 11.77 delta mag (ΔM) 0.15 Spectral class A0 (white)
Pri motion ra -004 Sec motion ra +005
Pri motion dec -007 Sec motion dec -002
Notes
rPM=1.277
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3150-03113-1 Gaia DR2 2072444114037526400
 
 
WDS 20001+3842 SEI 777 : 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
20001+3842 SEI 777 1998 6 222 25.2 11.62 11.77 D 200001.96+384158.9
20001+3842 SEI 777 2002 7 222 25.1 11.62 11.77 D 200001.96+384158.9
20001+3842 SEI 777 2010 8 222 24.9 11.62 11.77 A0 200001.96+384158.9
20001+3842 SEI 777 2017 9 222 25.0 11.62 11.77 A0 200001.96+384158.9

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

 
 
WDS 20001+3842 SEI 777 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20001+3842 SEI 777 : MEASURES
 
 
No records found.

 
 
WDS 20001+3842 : VIRTUAL EYEPIECE
 
 

20001+3842 SEI 777A mag 11.62 Sp A0 20001+3842 SEI 777B sep 22.8 P.A. 214.70 mag 11.77 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20001+3842 : ALADIN DSS IMAGE @ 20h 00m 01.96s +38° 41' 58.9"
 
 
 
 
WDS 20001+3842 SEI 777 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20001+3842 SEI 777 distance=0' 19595+3853 ALI 912 distance=14' 19593+3829 SEI 772AB distance=16' 19593+3829 SEI 771AC distance=16' 19590+3851 SEI 763 distance=16' 19591+3831 SEI 767AB distance=16' 19591+3831 SEI 766AC distance=16' 19584+3830 J 1070 distance=23' 20020+3840 A 1411AB distance=23' 20020+3840 A 1411AC distance=23' 20020+3840 A 1411AD distance=23' 19592+3821 TDT1900 distance=24' 19580+3840 A 1409 distance=25' 19579+3843 MLB 949CD distance=26' 19579+3843 SEI 751AB distance=26' 19579+3843 TOB 163AC distance=26' 20022+3849 ES 2044 distance=26' 19578+3842 SEI 750 distance=28' 19573+3839 DAM 185 distance=32' 20022+3822 TDT1927 distance=33' 20011+3913 SEI 791 distance=34' 20012+3811 ALI 652 distance=35' 19591+3809 COU2411 distance=35' 19586+3711 COU2410 distance=35' 19570+3836 MLB 948 distance=36' 19576+3906 MLB 981 distance=37' 19578+3910 HEI9014 distance=39' 19586+3806 STF2609 distance=40' 20035+3837 COU2533 distance=43' 19576+3914 J 1069 distance=43' 19590+3759 SEI 760 distance=45' 19596+3756 SEI 775 distance=46' 19561+3845 A 1407 distance=47' 20040+3847 ALI 914AB distance=47' 20034+3815 A 1412 distance=48' 20037+3820 HJ 1470 distance=49' 20039+3822 SEI 835 distance=50' 20042+3851 ALI 915 distance=50' 19558+3836 SEI 735 distance=51' 20033+3807 SEI 825 distance=53' 19590+3750 ALI 651 distance=54' 19564+3916 ALI 909BC distance=54' 19564+3916 ALI 909AB distance=54' 19564+3916 ALI 909AC distance=54' 19557+3824 ALI 908 distance=54' 19569+3922 SEI 742 distance=54' 19567+3920 MLB 880 distance=54' 19577+3755 HJ 1457 distance=55' 20041+3815 TOR 18 distance=55' 19584+3751 KPP2624 distance=56' 19573+3927 SEI 744 distance=56' 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 20001+3842 SEI 777 222 25.0
Show 19595+3853 ALI 912 206 10.4 14
Show 19593+3829 SEI 772 AB 1 22.2 16
Show 19593+3829 SEI 771 AC 284 22.4 16
Show 19590+3851 SEI 763 333 23.7 16
Show 19591+3831 SEI 767 AB 328 3.2 16
Show 19591+3831 SEI 766 AC 231 27.4 16
Show 19584+3830 J 1070 71 3.7 23
Show 20020+3840 A 1411 AB 204 1.3 23
Show 20020+3840 A 1411 AC 208 10.2 23
Show 20020+3840 A 1411 AD 116 22.7 23
Show 19592+3821 TDT1900 194 1.9 24
Show 19580+3840 A 1409 357 0.4 25
Show 19579+3843 MLB 949 CD 104 3.1 26
Show 19579+3843 SEI 751 AB 258 20.4 26
Show 19579+3843 TOB 163 AC 72 23.5 26
Show 20022+3849 ES 2044 19 7.4 26
Show 19578+3842 SEI 750 28 7.9 28
Show 19573+3839 DAM 185 223 6.4 32
Show 20022+3822 TDT1927 243 0.8 33
Show 20011+3913 SEI 791 59 5.6 34
Show 20012+3811 ALI 652 55 9.4 35
Show 19591+3809 COU2411 49 0.4 35
Show 19586+3711 COU2410 173 1.7 35
Show 19570+3836 MLB 948 6 5.3 36
Show 19576+3906 MLB 981 61 6.2 37
Show 19578+3910 HEI9014 103 8.9 39
Show 19586+3806 STF2609 21 1.9 40
Show 20035+3837 COU2533 102 1.0 43
Show 19576+3914 J 1069 66 2.4 43
Show 19590+3759 SEI 760 158 5.2 45
Show 19596+3756 SEI 775 65 20.3 46
Show 19561+3845 A 1407 147 1.0 47
Show 20040+3847 ALI 914 AB 230 14.8 47
Show 20034+3815 A 1412 228 0.8 48
Show 20037+3820 HJ 1470 340 29.3 49
Show 20039+3822 SEI 835 10 25.6 50
Show 20042+3851 ALI 915 198 14.9 50
Show 19558+3836 SEI 735 132 20.4 51
Show 20033+3807 SEI 825 155 7.2 53
Show 19590+3750 ALI 651 200 16.8 54
Show 19564+3916 ALI 909 BC 320 3.7 54
Show 19564+3916 ALI 909 AB 201 14.7 54
Show 19564+3916 ALI 909 AC 215 13.3 54
Show 19557+3824 ALI 908 63 12.1 54
Show 19569+3922 SEI 742 144 7.8 54
Show 19567+3920 MLB 880 268 4.4 54
Show 19577+3755 HJ 1457 222 12.1 55
Show 20041+3815 TOR 18 116 13.2 55
Show 19584+3751 KPP2624 114 24.2 56
Show 19573+3927 SEI 744 85 16.5 56

 
 
WDS 20001+3842 : COMPONENTS
 
 
  A
B pa=214.7°
sep=22.77"
 
 
20001+3842 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 200001.96+384158.9 Mag 11.62 Spectral class A0 (white)
PmRA -4.00 PmDE -7.0 Tycho2 3150-03113-1
Tycho2
Tycho2 3150-03113-1 Pflag RAmdeg 300.00818099 DEmdeg 38.69969886
PmRA -4.7 PmDE -5.5 E RAmdeg 52 E DEmdeg 50
E pmRA 1.8 E pmDE 1.7 EpRAm 1979.09 EpDEm 1979.65
Num 5 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.8 BTmag 11.602 E BTmag 0.072 VTmag 11.617
E VTmag 0.123 Prox 251 TYC HIP
CCDM RAdeg 300.00819389 DEdeg 38.69971306 EpRA 1990 1.46
EpDE 1990 1.66 E RAdeg 56.8 E DEdeg 53.5 Posflg
Corr 0.1
 
 
20001+3842 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200000.85+384140.2 Mag 11.77 PmRA 5.00
PmDE -2.0 Tycho2 3150-02313-1 Calc delta mag 0.15 Calc coord yes
Tycho2
Tycho2 3150-02313-1 Pflag RAmdeg 300.00224234 DEmdeg 38.69453090
PmRA 7.3 PmDE 3.4 E RAmdeg 77 E DEmdeg 74
E pmRA 2.2 E pmDE 2.1 EpRAm 1972.48 EpDEm 1971.15
Num 5 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.0 BTmag 12.661 E BTmag 0.230 VTmag 11.766
E VTmag 0.152 Prox 251 TYC HIP
CCDM RAdeg 300.00221944 DEdeg 38.69452722 EpRA 1990 1.47
EpDE 1990 1.65 E RAdeg 88.1 E DEdeg 85.6 Posflg
Corr 0.0