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Current system
20020+3840
A 1411 AD


Nearby doubles
9' : 20022+3849
ES 2044

19' : 20022+3822
TDT1927

23' : 20001+3842
SEI 777

24' : 20035+3837
COU2533

25' : 20040+3847
ALI 914AB

29' : 20042+3851
ALI 915

29' : 20037+3820
HJ 1470

29' : 20039+3822
SEI 835

30' : 20034+3815
A 1412

31' : 20012+3811
ALI 652

33' : 19595+3853
ALI 912

33' : 19593+3829
SEI 772AB

34' : 20048+3837
SEI 843

35' : 20011+3913
SEI 791

35' : 20044+3820
TOR 20

35' : 20041+3815
TOR 18

36' : 19591+3831
SEI 767AB

37' : 20033+3807
SEI 825

38' : 19590+3851
SEI 763

38' : 19592+3821
TDT1900

39' : 20052+3829
BU 1481AB

41' : 20052+3857
BU 1480

44' : 19584+3830
J 1070

46' : 20051+3814
COU2213

46' : 19591+3809
COU2411

47' : 20035+3924
SEI 828AB



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Quadruple Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20020+3840 A 1411 AD

 
 
20h 01m 59.20s +38° 39' 55.4" P.A. 116.00 sep 22.7 mag 8.59,13.60 Sp A3V
 
 
Coord 2000 20020+3840 Discov num A  1411 Comp AD Coord arcsec 2000 20 01 59.20 +38 39 55.4
Date first 1906 Date last 2015 Obs 5
Pa first 118 Pa last 116.1 P.A. Now (θ) 116.1°
Sep first 22.9 Sep last 22.656 Sep. Now (ρ) 22.656"
Mag pri 8.59 Mag sec 13.60 delta mag (ΔM) 5.01 Spectral class A3V (white)
Pri motion ra -001 Sec motion ra +000
Pri motion dec -002 Sec motion dec -006
Notes
rPM=0.687
Nature of this double is uncertain.
 
 
20020+3840 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 190131 69289 20 01 59 +38 39 55 A 1411 AB 2016 9 204 1.3 8.59 12.30 3.71
Show 69289 20 01 59 +38 39 55 A 1411 AC 2015 5 208 10.2 8.59 13.40 4.81
Show 69289 20 01 59 +38 39 55 A 1411 AD 2015 5 116 22.7 8.59 13.60 5.01 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 69289 Tycho2 3150-01983-1 Gaia DR2 2072415011337665408
HD 190131
 
 
WDS 20020+3840 A 1411 AD : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20020+3840 A 1411 AD 2000 3 115 22.4 8.59 13.60 D 200159.20+383955.4
20020+3840 A 1411 AD 2002 4 116 22.6 8.59 13.60 D 200159.20+383955.4
20020+3840 A 1411 AD 2015 5 116 22.7 8.59 13.60 A3V 200159.20+383955.4

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

 
 
WDS 20020+3840 A 1411 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20020+3840 A 1411 AD : MEASURES
 
 
No records found.

 
 
WDS 20020+3840 : VIRTUAL EYEPIECE
 
 

20020+3840 A 1411A mag 8.59 Sp A3V 20020+3840 A 1411B sep 1.3 P.A. 203.80 mag 12.3 20020+3840 A 1411C sep 10.2 P.A. 208.20 mag 13.4 20020+3840 A 1411D sep 22.7 P.A. 116.10 mag 13.6 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20020+3840 : ALADIN DSS IMAGE @ 20h 01m 59.20s +38° 39' 55.4"
 
 
 
 
WDS 20020+3840 A 1411 AD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20020+3840 A 1411AD distance=0' 20022+3849 ES 2044 distance=9' 20022+3822 TDT1927 distance=19' 20001+3842 SEI 777 distance=23' 20035+3837 COU2533 distance=24' 20040+3847 ALI 914AB distance=25' 20042+3851 ALI 915 distance=29' 20037+3820 HJ 1470 distance=29' 20039+3822 SEI 835 distance=29' 20034+3815 A 1412 distance=30' 20012+3811 ALI 652 distance=31' 19595+3853 ALI 912 distance=33' 19593+3829 SEI 772AB distance=33' 19593+3829 SEI 771AC distance=33' 20048+3837 SEI 843 distance=34' 20011+3913 SEI 791 distance=35' 20044+3820 TOR 20 distance=35' 20041+3815 TOR 18 distance=35' 19591+3831 SEI 767AB distance=36' 19591+3831 SEI 766AC distance=36' 20033+3807 SEI 825 distance=37' 19590+3851 SEI 763 distance=38' 19592+3821 TDT1900 distance=38' 20052+3829 BU 1481AB distance=39' 20052+3829 WAL 126AC distance=39' 20052+3829 LLO 21AD distance=39' 20052+3829 LLO 21AE distance=39' 20052+3857 BU 1480 distance=41' 19584+3830 J 1070 distance=44' 20051+3814 COU2213 distance=46' 19591+3809 COU2411 distance=46' 20035+3924 SEI 828AB distance=47' 20035+3924 SEI 829AC distance=47' 19580+3840 A 1409 distance=47' 20060+3821 POP 185AB distance=48' 20060+3821 POP 185AC distance=48' 20060+3821 POP 185AD distance=48' 20060+3821 POP 185AE distance=48' 20060+3821 POP 185AG distance=48' 19579+3843 MLB 949CD distance=49' 19586+3711 COU2410 distance=49' 19579+3843 SEI 751AB distance=49' 19579+3843 TOB 163AC distance=49' 20027+3928 SKF1765AB distance=50' 20060+3821 POP 185EF distance=50' 19578+3842 SEI 750 distance=51' 20057+3905 J 1072 distance=51' 19596+3756 SEI 775 distance=52' 20042+3755 TOR 19 distance=53' 19586+3806 STF2609 distance=53' 20066+3836 BRT2229 distance=54' 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 20020+3840 A 1411 AB 204 1.3 0
Show 20020+3840 A 1411 AC 208 10.2 0
Show 20020+3840 A 1411 AD 116 22.7 0
Show 20022+3849 ES 2044 19 7.4 9
Show 20022+3822 TDT1927 55 1.9 19
Show 20001+3842 SEI 777 222 25.0 23
Show 20035+3837 COU2533 101 1.0 24
Show 20040+3847 ALI 914 AB 230 14.8 25
Show 20042+3851 ALI 915 198 14.9 29
Show 20037+3820 HJ 1470 340 29.3 29
Show 20039+3822 SEI 835 10 25.6 29
Show 20034+3815 A 1412 228 0.8 30
Show 20012+3811 ALI 652 55 9.4 31
Show 19595+3853 ALI 912 206 10.4 33
Show 19593+3829 SEI 772 AB 1 22.2 33
Show 19593+3829 SEI 771 AC 284 22.4 33
Show 20048+3837 SEI 843 132 13.3 34
Show 20011+3913 SEI 791 59 5.6 35
Show 20044+3820 TOR 20 158 17.3 35
Show 20041+3815 TOR 18 116 13.2 35
Show 19591+3831 SEI 767 AB 328 3.2 36
Show 19591+3831 SEI 766 AC 231 27.5 36
Show 20033+3807 SEI 825 155 7.2 37
Show 19590+3851 SEI 763 333 23.7 38
Show 19592+3821 TDT1900 194 1.9 38
Show 20052+3829 BU 1481 AB 240 42.7 39
Show 20052+3829 WAL 126 AC 212 70.4 39
Show 20052+3829 LLO 21 AD 212 4.9 39
Show 20052+3829 LLO 21 AE 169 9.1 39
Show 20052+3857 BU 1480 328 8.2 41
Show 19584+3830 J 1070 71 3.7 44
Show 20051+3814 COU2213 174 2.5 46
Show 19591+3809 COU2411 49 0.4 46
Show 20035+3924 SEI 828 AB 85 19.8 47
Show 20035+3924 SEI 829 AC 262 22.7 47
Show 19580+3840 A 1409 357 0.4 47
Show 20060+3821 POP 185 AB 125 43.5 48
Show 20060+3821 POP 185 AC 185 64.9 48
Show 20060+3821 POP 185 AD 62 128.5 48
Show 20060+3821 POP 185 AE 101 120.0 48
Show 20060+3821 POP 185 AG 293 19.1 48
Show 19579+3843 MLB 949 CD 104 3.1 49
Show 19586+3711 COU2410 173 1.7 49
Show 19579+3843 SEI 751 AB 258 20.4 49
Show 19579+3843 TOB 163 AC 72 23.5 49
Show 20027+3928 SKF1765 AB 224 55.1 50
Show 20060+3821 POP 185 EF 258 3.0 50
Show 19578+3842 SEI 750 28 7.9 51
Show 20057+3905 J 1072 252 4.1 51
Show 19596+3756 SEI 775 65 20.3 52
Show 20042+3755 TOR 19 97 8.8 53

 
 
WDS 20020+3840 : COMPONENTS
 
 
  A B C
B pa=203.8°
sep=1.32"
 
C pa=208.2°
sep=10.22"
pa=208.9°
sep=8.90"
 
D pa=116.1°
sep=22.66"
pa=112.8°
sep=22.64"
pa=92.2°
sep=25.19"
 
 
20020+3840 A
 
 
Coord arcsec 2000 200159.20+383955.4 Mag 8.59 Spectral class A3V (white) PmRA 2.00
PmDE -6.0 SAO 69289 Tycho2 3150-01983-1 HD 190131
DM BD+38 3871
Tycho2
Tycho2 3150-01983-1 Pflag RAmdeg 300.49667088 DEmdeg 38.66539715
PmRA -0.1 PmDE -1.9 E RAmdeg 7 E DEmdeg 6
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.18 EpDEm 1991.44
Num 5 Q RAmdeg 0.4 Q DEmdeg 0.7 Q pmRA 0.4
Q pmDE 0.8 BTmag 8.718 E BTmag 0.016 VTmag 8.594
E VTmag 0.013 Prox 999 TYC T HIP
CCDM RAdeg 300.49667111 DEdeg 38.66540167 EpRA 1990 1.53
EpDE 1990 1.68 E RAdeg 6.6 E DEdeg 6.2 Posflg
Corr 0.0
SAO
SAO 69289 DelFlag RA1950 PmRA1950 0.0007
DE1950 PmDE1950 -0.016 Vmag 8.5 SpType A2
Double code Source 5 CatNum 1946 DM BD+38 3871
DMcomp BDsup HD 190131 M HD 0
GC RA1950rad 5.23682326 DE1950rad 0.67238937 PmRA2000 0.001
PmDE2000 -0.018
CCDM
Ccdm 20020+3840 RComp Comp A Note1
Note2 Discov num DRAs -0.80 DDEs -5.5
R dRAs 10 Year Theta Rho
Obs 4 Vmag 8.6 Sp A2 PmNote *
PmRA -3 PmDE -16 Dm number +38 3871 Cat1 BD
Name2 +38 1946 Cat2 AGK2/3 HD 190131 M HD
ADS BDS A13284 M ADS BDS N IDS IDS 19584N3823A
HIC
 
 
20020+3840 B
 
 
Coord arcsec 2000 200159.15+383954.2 Mag 12.3 Delta magnitude 3.71 Coordinate calculated yes
CCDM
Ccdm 20020+3840 RComp Comp B Note1
Note2 Discov num A 1411 DRAs DDEs
R dRAs Year 1906 Theta 208 Rho 1.2
Obs 5 Vmag 12.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13284 M ADS BDS N IDS IDS 19584N3823B
HIC
 
 
20020+3840 C
 
 
Coord arcsec 2000 200158.79+383946.4 Mag 13.4 Delta magnitude 4.81 Coordinate calculated yes
CCDM
Ccdm 20020+3840 RComp Comp C Note1
Note2 Discov num A 1411 DRAs DDEs
R dRAs Year 1906 Theta 208 Rho 10.2
Obs 2 Vmag 13.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13284 M ADS BDS N IDS IDS 19584N3823C
HIC
 
 
20020+3840 D
 
 
Coord arcsec 2000 200200.94+383945.4 Mag 13.6 PmRA 0.00 PmDE -6.0
Delta magnitude 5.01 Coordinate calculated yes
CCDM
Ccdm 20020+3840 RComp Comp D Note1
Note2 Discov num A 1411 DRAs DDEs
R dRAs Year 1906 Theta 117 Rho 23.0
Obs 2 Vmag 13.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13284 M ADS BDS N IDS IDS 19584N3823D
HIC