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Current system
20010+3742
BU 1289 AC


Nearby doubles
6' : 20010+3737
SEI 786

22' : 20024+3728
SEI 813

22' : 20028+3742
SEI 817

23' : 19596+3756
SEI 775

24' : 20022+3724
NYS 4

25' : 19590+3750
ALI 651

26' : 20025+3724
SEI 814

27' : 19592+3724
COU2412

28' : 20031+3733
ES 2045

29' : 20033+3736
GMZ 199

29' : 20012+3811
ALI 652

30' : 19590+3759
SEI 760

33' : 19584+3751
KPP2624

36' : 19591+3809
COU2411

37' : 20033+3807
SEI 825

38' : 19586+3806
STF2609

40' : 20017+3703
GRV 306

40' : 20024+3706
SEI 810

40' : 20042+3728
ALI 654

41' : 20042+3755
TOR 19

41' : 19577+3755
HJ 1457

41' : 19586+3711
COU2410

43' : 20022+3822
TDT1927

44' : 20034+3815
A 1412

44' : 20005+3659
SEI 782

45' : 19574+3728
GRV 299



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

20010+3742 BU 1289 AC

 
 
20h 00m 59.61s +37° 41' 56.1" P.A. 89.00 sep 21.5 mag 8.15,9.70 Sp B5 dist. 348.43 pc (1136.58 l.y.)
 
 
Coord 2000 20010+3742 Discov num BU 1289 Comp AC Coord arcsec 2000 20 00 59.61 +37 41 56.1
Date first 1896 Date last 2018 Obs 31
Pa first 90 Pa last 89.1 P.A. Now (θ) 89.1°
Sep first 21.4 Sep last 21.504 Sep. Now (ρ) 21.504"
Mag pri 8.15 Mag sec 9.70 delta mag (ΔM) 1.55 Spectral class B5 (blue-white)
Pri motion ra -007 Sec motion ra -007
Pri motion dec -009 Sec motion dec +033
Notes N (See Notes)
rPM=1.245
This double is not physical.
 
 
20010+3742 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 189901 69258 20 00 60 +37 41 56 BU 1289 AB 2016 23 55 0.7 8.15 9.20 1.05
Show 69258 20 00 60 +37 41 56 BU 1289 AC 2018 31 89 21.5 8.15 9.70 1.55 <===
Show 69258 20 00 60 +37 41 56 FOX 246 AB,D 2015 12 170 104.2 8.15 11.17 3.02
Show 69258 20 00 60 +37 41 56 WAL 125 AB,E 2015 7 10 46.5 8.15 13.52 5.37
Quintuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 69258 HIP 98534 Tycho2 3150-02606-1
Gaia DR2 2060249185726240640 HD 189901 BD BD+37 3725 Distance 348.43
Distance ly 1136.58
 
 
WDS 20010+3742 BU 1289 AC : NOTES
 
 
discov_num notes refcode
BU 1289 AC: SEI 787. Nsn2017b
 
 
REFERENCES
 
 
refcode metd author reference
Nsn2017b not - Nanson, J. ...................
Nsn2017b private communication, 2017
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
179 FOX Fox, P.
190 WAL Wallenquist, A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20010+3742 BU 1289 AC 2003 23 89 21.7 8.15 9.70 D 200059.61+374156.1
20010+3742 BU 1289 AC 2017 25 90 21.4 8.15 9.70 B5 N 200059.61+374156.1
20010+3742 BU 1289 AC 2018 27 90 21.5 8.15 9.70 B5 N 200059.61+374156.1

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

 
 
WDS 20010+3742 BU 1289 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20010+3742 BU 1289 AC : MEASURES
 
 
No records found.

 
 
WDS 20010+3742 : VIRTUAL EYEPIECE
 
 

20010+3742 BU 1289A mag 8.15 Sp B5 20010+3742 BU 1289B sep 0.6 P.A. 48.80 mag 9.2 20010+3742 BU 1289C sep 17.0 P.A. 88.90 mag 9.7 20010+3742 FOX 246D sep 103.6 P.A. 172.10 mag 11.17 20010+3742 WAL 125E sep 46.2 P.A. 7.80 mag 13.52 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 20010+3742 : ALADIN DSS IMAGE @ 20h 00m 59.61s +37° 41' 56.1"
 
 
 
 
WDS 20010+3742 BU 1289 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20010+3742 BU 1289AC distance=0' 20010+3737 SEI 786 distance=6' 20024+3728 SEI 813 distance=22' 20028+3742 SEI 817 distance=22' 19596+3756 SEI 775 distance=23' 20022+3724 NYS 4 distance=24' 19590+3750 ALI 651 distance=25' 20025+3724 SEI 814 distance=26' 19592+3724 COU2412 distance=27' 20031+3733 ES 2045 distance=28' 20033+3736 GMZ 199 distance=29' 20012+3811 ALI 652 distance=29' 19590+3759 SEI 760 distance=30' 19584+3751 KPP2624 distance=33' 19591+3809 COU2411 distance=36' 20033+3807 SEI 825 distance=37' 19586+3806 STF2609 distance=38' 20017+3703 GRV 306 distance=40' 20024+3706 SEI 810 distance=40' 20042+3728 ALI 654 distance=40' 20042+3755 TOR 19 distance=41' 19577+3755 HJ 1457 distance=41' 19586+3711 COU2410 distance=41' 20022+3822 TDT1927 distance=43' 20034+3815 A 1412 distance=44' 20005+3659 SEI 782 distance=44' 19574+3728 GRV 299 distance=45' 19592+3821 TDT1900 distance=45' 19592+3702 SEI 765AB distance=46' 19592+3702 SEI 765AC distance=46' 19571+3745 SKF2082 distance=47' 20030+3701 COU2211 distance=48' 20041+3815 TOR 18 distance=49' 20037+3820 HJ 1470 distance=50' 19593+3829 SEI 772AB distance=52' 19593+3829 SEI 771AC distance=52' 19589+3657 ARG 88 distance=52' 20042+3707 ALI 403 distance=52' 20039+3822 SEI 835 distance=53' 19565+3736 ES 2043 distance=54' 19572+3712 ALI 401 distance=54' 19591+3831 SEI 767AB distance=54' 19591+3831 SEI 766AC distance=54' 20056+3746 A 1414 distance=55' 19564+3750 A 1408 distance=55' 20044+3820 TOR 20 distance=56' 19584+3830 J 1070 distance=58' 20020+3840 A 1411AB distance=60' 20020+3840 A 1411AC distance=60' 20020+3840 A 1411AD distance=60' 20050+3707 COU2212 distance=60' 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 20010+3742 BU 1289 AB 55 0.7
Show 20010+3742 BU 1289 AC 89 21.5
Show 20010+3742 FOX 246 AB,D 170 104.2
Show 20010+3742 WAL 125 AB,E 10 46.5
Show 20010+3737 SEI 786 253 28.8 6
Show 20024+3728 SEI 813 328 24.3 22
Show 20028+3742 SEI 817 102 21.6 22
Show 19596+3756 SEI 775 65 20.3 23
Show 20022+3724 NYS 4 131 23.6 24
Show 19590+3750 ALI 651 200 16.8 25
Show 20025+3724 SEI 814 326 19.1 26
Show 19592+3724 COU2412 78 0.4 27
Show 20031+3733 ES 2045 135 3.7 28
Show 20033+3736 GMZ 199 304 11.9 29
Show 20012+3811 ALI 652 55 9.4 29
Show 19590+3759 SEI 760 158 5.2 30
Show 19584+3751 KPP2624 114 24.2 33
Show 19591+3809 COU2411 49 0.4 36
Show 20033+3807 SEI 825 155 7.2 37
Show 19586+3806 STF2609 21 1.9 38
Show 20017+3703 GRV 306 213 29.1 40
Show 20024+3706 SEI 810 157 20.2 40
Show 20042+3728 ALI 654 351 10.9 40
Show 20042+3755 TOR 19 97 8.8 41
Show 19577+3755 HJ 1457 222 12.1 41
Show 19586+3711 COU2410 173 1.7 41
Show 20022+3822 TDT1927 243 0.8 43
Show 20034+3815 A 1412 228 0.8 44
Show 20005+3659 SEI 782 199 25.7 44
Show 19574+3728 GRV 299 262 23.8 45
Show 19592+3821 TDT1900 194 1.9 45
Show 19592+3702 SEI 765 AB 94 7.5 46
Show 19592+3702 SEI 765 AC 19 20.9 46
Show 19571+3745 SKF2082 68 3.7 47
Show 20030+3701 COU2211 257 1.0 48
Show 20041+3815 TOR 18 116 13.2 49
Show 20037+3820 HJ 1470 340 29.3 50
Show 19593+3829 SEI 772 AB 1 22.2 52
Show 19593+3829 SEI 771 AC 284 22.4 52
Show 19589+3657 ARG 88 203 29.5 52
Show 20042+3707 ALI 403 130 13.7 52
Show 20039+3822 SEI 835 10 25.6 53
Show 19565+3736 ES 2043 114 1.4 54
Show 19572+3712 ALI 401 101 10.6 54
Show 19591+3831 SEI 767 AB 328 3.2 54
Show 19591+3831 SEI 766 AC 231 27.4 54
Show 20056+3746 A 1414 34 0.3 55
Show 19564+3750 A 1408 183 1.5 55
Show 20044+3820 TOR 20 158 17.3 56
Show 19584+3830 J 1070 71 3.7 58
Show 20020+3840 A 1411 AB 204 1.3 60

 
 
WDS 20010+3742 : COMPONENTS
 
 
  A B C D
B pa=48.8°
sep=0.61"
 
C pa=88.9°
sep=17.02"
pa=90.2°
sep=16.55"
 
D pa=172.1°
sep=103.62"
pa=172.3°
sep=103.96"
pa=181.5°
sep=103.00"
 
E pa=7.8°
sep=46.21"
pa=7.3°
sep=45.75"
pa=346.7°
sep=46.70"
pa=356.9°
sep=148.63"
 
 
20010+3742 A
 
 
Name HD 189901 Coord arcsec 2000 200059.61+374156.1 Mag 8.15 Spectral class B5 (blue-white)
PmRA 0.00 PmDE -7.0 SAO 69258 HIP 98528
Tycho2 3150-02606-1 HD 189901 BD BD+37 3723
Tycho2
Tycho2 3150-02606-1 Pflag RAmdeg 300.24837699 DEmdeg 37.69891391
PmRA -5.1 PmDE -7.1 E RAmdeg 5 E DEmdeg 5
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.34 EpDEm 1991.47
Num 10 Q RAmdeg 1.4 Q DEmdeg 0.6 Q pmRA 1.3
Q pmDE 0.5 BTmag 8.089 E BTmag 0.015 VTmag 8.153
E VTmag 0.012 Prox 215 TYC T HIP 98528
CCDM A RAdeg 300.24839167 DEdeg 37.69893028 EpRA 1990 1.60
EpDE 1990 1.75 E RAdeg 5.2 E DEdeg 5.0 Posflg
Corr 0.0
SAO
SAO 69258 DelFlag RA1950 PmRA1950 0.0011
DE1950 PmDE1950 0.002 Vmag 8.5 SpType B5
Double code Source 5 CatNum 1886 DM BD+37 3723
DMcomp BDsup HD 189901 M HD 0
GC RA1950rad 5.23238632 DE1950rad 0.65554194 PmRA2000 0.0014
PmDE2000 0.001
Hipparcos
Catalog H HIP 98528 Proxy RAhms 20 00 59.61
DEdms +37 41 56.1 Vmag 7.99 VarFlag R Vmag G
RAdeg 300.248 DEdeg 37.6989 AstroRef A Plx -0.36
CCDM 20010+3741 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual B M HIP
Theta Rho HD 189901 BD BD+37 3723
CD CP Dm number +37 3723 VIred 0
SpType B5 R SpType Coord arcsec 2000 200059.61+374156.1
Hipparcos 2
HIP 98528 Sn 95 So 3 Nc 1
RArad 5.2403227393 DErad 0.6579703379 Plx 2.13 PmRA 4.97
PmDE 3.61 E RArad 3.44 E DErad 4.01 E Plx 4.78
E pmRA 4.05 E pmDE 4.6 Hpmag 8.0997 E Hpmag 0.0682
SHp 0.037 VA 0 BV -0.02 E BV 0.015
VI 0
 
 
20010+3742 B
 
 
Coord arcsec 2000 200059.65+374156.5 Mag 9.2 Calc delta mag 1.05 Calc coord yes
 
 
20010+3742 C
 
 
Coord arcsec 2000 200101.04+374156.4 Mag 9.7 PmRA -7.00 PmDE 33.0
HIP 98534 Tycho2 3150-01376-1 BD BD+37 3725 Calc delta mag 1.55
Calc coord yes
Tycho2
Tycho2 3150-01376-1 Pflag RAmdeg 300.25593464 DEmdeg 37.69901683
PmRA -4.2 PmDE -7.0 E RAmdeg 16 E DEmdeg 13
E pmRA 1.3 E pmDE 1.3 EpRAm 1989.75 EpDEm 1990.57
Num 5 Q RAmdeg 1.1 Q DEmdeg 1.2 Q pmRA 1.1
Q pmDE 1.2 BTmag 9.634 E BTmag 0.024 VTmag 9.698
E VTmag 0.028 Prox 215 TYC T HIP 98534
CCDM C RAdeg 300.25594722 DEdeg 37.69903278 EpRA 1990 1.60
EpDE 1990 1.78 E RAdeg 15.5 E DEdeg 12.7 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 98534 Proxy RAhms 20 01 01.42
DEdms +37 41 56.5 Vmag 9.78 VarFlag R Vmag H
RAdeg 300.256 DEdeg 37.699 AstroRef C Plx -3.54
CCDM 20010+3741 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual B M HIP
Theta Rho HD BD BD+37 3725
CD CP Dm number +37 3725 VIred -0.15
SpType B8 R SpType Coord arcsec 2000 200101.42+374156.5
Hipparcos 2
HIP 98534 Sn 95 So 3 Nc 1
RArad 5.2404546431 DErad 0.6579720274 Plx -2.87 PmRA -18.1
PmDE 38.5 E RArad 6.94 E DErad 7.49 E Plx 9.82
E pmRA 8.87 E pmDE 9.81 Hpmag 9.654 E Hpmag 0.2323
SHp 0 VA 0 BV 0.024 E BV 0.041
VI 0.04
 
 
20010+3742 D
 
 
Coord arcsec 2000 200100.82+374013.5 Mag 11.17 PmRA -9.00 PmDE 10.0
Tycho2 3150-03178-1 Calc delta mag 3.02 Calc coord yes
Tycho2
Tycho2 3150-03178-1 Pflag RAmdeg 300.25475444 DEmdeg 37.67034038
PmRA -13.3 PmDE 8.9 E RAmdeg 50 E DEmdeg 54
E pmRA 2.4 E pmDE 2.3 EpRAm 1985.68 EpDEm 1983.80
Num 4 Q RAmdeg 0.9 Q DEmdeg 0.9 Q pmRA 0.9
Q pmDE 0.9 BTmag 11.848 E BTmag 0.093 VTmag 11.170
E VTmag 0.084 Prox 999 TYC T HIP
CCDM RAdeg 300.25479250 DEdeg 37.67031889 EpRA 1990 1.71
EpDE 1990 1.69 E RAdeg 52.1 E DEdeg 57.3 Posflg
Corr 0.0
 
 
20010+3742 E
 
 
Coord arcsec 2000 200100.14+374241.9 Mag 13.52 PmRA 0.00 PmDE -6.0
Calc delta mag 5.37 Calc coord yes