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Current system
20014+0657
STF 2612 AB
HD 189757


Nearby doubles
7' : 20014+0649
GRV 305

30' : 20002+0718
J 2189

34' : 19592+0704
TDT1901

35' : 20024+0728
J 1293

40' : 20008+0619
BRT2185

58' : 20025+0601
J 1294

60' : 19575+0711
GRV 300

61' : 19574+0647
A 605

62' : 19580+0622
TDT1885

67' : 20051+0621
TDT1957

71' : 20030+0804
FMR 156

76' : 20063+0639
J 1337

80' : 20047+0555
HEI 577

82' : 20049+0554
HEI 578

83' : 20058+0748
J 546

84' : 20064+0734
GMC 7

85' : 20065+0733
GMC 8

85' : 19581+0548
A 607

87' : 20066+0735
STTA198AB

88' : 20004+0530
HJ 2919

90' : 20051+0547
A 608

90' : 20029+0824
STF2615

97' : 19553+0624
STT 532AB
Alshain

99' : 19548+0636
J 3032

101' : 19547+0708
BU 659

104' : 19569+0816
HJ 2847



Selections
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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.

20014+0657 STF 2612 AB (HD 189757)

 
 
20h 01m 23.22s +06° 56' 49.7" P.A. 54.00 sep 42.5 mag 8.29,9.87 Sp F5
 
 
Coord 2000 20014+0657 Discov num STF2612 Comp AB Coord arcsec 2000 20 01 23.22 +06 56 49.7
Date first 1827 Date last 2016 Obs 40
Pa first 53 Pa last 54 P.A. Now (θ) 54°
Sep first 36.6 Sep last 42.52 Sep. Now (ρ) 42.52"
Mag pri 8.29 Mag sec 9.87 delta mag (ΔM) 1.58 Spectral class F5 (yellow-white)
Pri motion ra +008 Sec motion ra +038
Pri motion dec -023 Sec motion dec -006
Notes N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=0.896
This double is not physical.
 
 
20014+0657 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 189757 125364 20 01 23 +06 56 50 STF 2612 AB 2016 40 54 42.5 8.29 9.87 1.58 <===
Show 125365 20 01 26 +06 57 15 STF 2612 BC 2016 5 41 26.9 9.90 12.30 2.40
Show 20 01 27 +06 57 35 J 2568 CD 2016 7 311 3.6 12.30 13.30 1.00
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189757 Constellation Aquila SAO 125364 Tycho2 0506-01557-1
Gaia DR2 4297154503813478528 HD 189757 GC 27751
 
 
WDS 20014+0657 STF 2612 AB (HD 189757) : NOTES
 
 
discov_num notes refcode
STF2612 B is BD+06@4402.
 
 
DISCOVERER
 
 
discov author
J Jonckheere, R.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20014+0657 STF2612 AB 2008 28 54 42.6 8.29 9.87 F5 +06 4401 NLD 200123.22+065649.7
20014+0657 STF2612 AB 2010 29 54 42.3 8.29 9.87 F5 +06 4401 NLD 200123.22+065649.7
20014+0657 STF2612 AB 2013 32 55 42.3 8.29 9.87 F5 +06 4401 NL 200123.22+065649.7
20014+0657 STF2612 AB 2016 33 54 42.5 8.29 9.87 F5 +06 4401 NL 200123.22+065649.7

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

 
 
WDS 20014+0657 STF 2612 AB (HD 189757) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20014+0657 STF 2612 AB (HD 189757) : MEASURES
 
 
No records found.

 
 
WDS 20014+0657 (HD 189757) : VIRTUAL EYEPIECE
 
 

20014+0657 STF2612A mag 8.29 Sp F5 20014+0657 STF2612B sep 42.2 P.A. 53.90 mag 9.9 Sp G0 20014+0657 J 2568C sep 69.2 P.A. 48.80 mag 12.3 20014+0657 J 2568D sep 68.8 P.A. 45.80 mag 13.3 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 20014+0657 (HD 189757) : ALADIN DSS IMAGE @ 20h 01m 23.22s +06° 56' 49.7"
 
 
 
 
WDS 20014+0657 STF 2612 AB (HD 189757) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20014+0657 STF2612AB distance=1' 20014+0657 STF2612BC distance=1' 20014+0657 J 2568CD distance=2' 20014+0649 GRV 305 distance=7' 20002+0718 J 2189 distance=30' 19592+0704 TDT1901 distance=34' 20024+0728 J 1293 distance=35' 20008+0619 BRT2185 distance=40' 20025+0601 J 1294 distance=58' 19575+0711 GRV 300 distance=60' 19574+0647 A 605 distance=61' 19580+0622 TDT1885 distance=62' 20051+0621 TDT1957 distance=67' 20030+0804 FMR 156 distance=71' 20063+0639 J 1337 distance=76' 20047+0555 HEI 577 distance=80' 20049+0554 HEI 578 distance=82' 20058+0748 J 546 distance=83' 20064+0734 GMC 7 distance=84' 20065+0733 GMC 8 distance=85' 19581+0548 A 607 distance=85' 20066+0735 STTA198AB distance=87' 20066+0735 STTA198AC distance=87' 20066+0735 GMC 6AD distance=87' 20004+0530 HJ 2919 distance=88' 20051+0547 A 608 distance=90' 20029+0824 STF2615 distance=90' 19553+0624 STT 532AB (Alshain) distance=97' 19553+0624 STT 532AC (Alshain) distance=97' 19548+0636 J 3032 distance=99' 19547+0708 BU 659 distance=101' 19569+0816 HJ 2847 distance=104' 20071+0759 A 609 distance=106' 20025+0841 WIS 336 distance=106' 20023+0512 J 1292AB distance=107' 20023+0512 J 1292AC distance=107' 19585+0519 TDT1890 distance=107' 19575+0527 HEI 817 distance=108' 20005+0844 HDS2850 distance=108' 20084+0628 J 547 distance=109' 20037+0513 GWP2919 distance=110' 19541+0733 BRT2184 distance=115' 19576+0517 BAL3015 distance=116' 20010+0853 J 3041BC distance=117' 20010+0853 J 3041AB distance=117' 20078+0805 TDT2006 distance=118' 19553+0539 J 543 distance=119' 19591+0849 J 3038 distance=120' 19573+0513 A 604 distance=121' 19570+0514 BAL2956 distance=123' 19584+0852 J 818AB distance=123' 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 20014+0657 STF2612 AB 54 42.5 1
Show 20014+0657 STF2612 BC 41 26.9 1
Show 20014+0657 J 2568 CD 311 3.6 2
Show 20014+0649 GRV 305 202 71.6 7
Show 20002+0718 J 2189 2 4.7 30
Show 19592+0704 TDT1901 208 0.9 34
Show 20024+0728 J 1293 186 1.8 35
Show 20008+0619 BRT2185 51 3.8 40
Show 20025+0601 J 1294 27 3.3 58
Show 19575+0711 GRV 300 20 24.2 60
Show 19574+0647 A 605 91 1.8 61
Show 19580+0622 TDT1885 96 1.3 62
Show 20051+0621 TDT1957 234 0.8 67
Show 20030+0804 FMR 156 171 11.4 71
Show 20063+0639 J 1337 114 2.7 76
Show 20047+0555 HEI 577 178 2.5 80
Show 20049+0554 HEI 578 20 6.2 82
Show 20058+0748 J 546 289 2.9 83
Show 20064+0734 GMC 7 316 40.3 84
Show 20065+0733 GMC 8 253 60.9 85
Show 19581+0548 A 607 81 0.2 85
Show 20066+0735 STTA198 AB 185 64.6 87
Show 20066+0735 STTA198 AC 173 35.1 87
Show 20066+0735 GMC 6 AD 316 33.8 87
Show 20004+0530 HJ 2919 344 11.4 88
Show 20051+0547 A 608 19 1.4 90
Show 20029+0824 STF2615 300 8.9 90
Show Alshain 19553+0624 STT 532 AB 1 13.3 97
Show Alshain 19553+0624 STT 532 AC 349 214.8 97
Show 19548+0636 J 3032 23 4.0 99
Show 19547+0708 BU 659 303 14.7 101
Show 19569+0816 HJ 2847 225 15.1 104
Show 20071+0759 A 609 130 0.4 106
Show 20025+0841 WIS 336 4 999.9 106
Show 20023+0512 J 1292 AB 92 4.4 107
Show 20023+0512 J 1292 AC 59 26.5 107
Show 19585+0519 TDT1890 253 0.8 107
Show 19575+0527 HEI 817 340 4.7 108
Show 20005+0844 HDS2850 114 1.9 108
Show 20084+0628 J 547 92 4.4 109
Show 20037+0513 GWP2919 61 5.7 110
Show 19541+0733 BRT2184 340 3.8 115
Show 19576+0517 BAL3015 306 12.8 116
Show 20010+0853 J 3041 BC 120 13.6 117
Show 20010+0853 J 3041 AB 128 6.5 117
Show 20078+0805 TDT2006 79 0.7 118
Show 19553+0539 J 543 7 3.6 119
Show 19591+0849 J 3038 50 6.0 120
Show 19573+0513 A 604 335 0.1 121
Show 19570+0514 BAL2956 246 10.0 123
Show 19584+0852 J 818 AB 18 1.5 123

 
 
WDS 20014+0657 : COMPONENTS
 
 
  A B C
B pa=53.9°
sep=42.22"
 
C pa=48.8°
sep=69.25"
pa=41.0°
sep=27.44"
 
D pa=45.8°
sep=68.82"
pa=33.5°
sep=27.64"
pa=310.5°
sep=3.60"
 
 
20014+0657 A
 
 
Name HD 189757 Coord arcsec 2000 200123.22+065649.7 Mag 8.29 Spectral class F5 (yellow-white)
PmRA 8.00 PmDE -23.0 SAO 125364 Tycho2 0506-01557-1
HD 189757 GC 27751 DM BD+06 4401
Tycho2
Tycho2 0506-01557-1 Pflag RAmdeg 300.34675734 DEmdeg 6.94713492
PmRA 5.2 PmDE -22.4 E RAmdeg 6 E DEmdeg 7
E pmRA 1.7 E pmDE 1.7 EpRAm 1991.25 EpDEm 1990.98
Num 9 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.9
Q pmDE 1.0 BTmag 8.815 E BTmag 0.017 VTmag 8.290
E VTmag 0.012 Prox 418 TYC T HIP
CCDM RAdeg 300.34674472 DEdeg 6.94718833 EpRA 1990 1.59
EpDE 1990 1.45 E RAdeg 5.7 E DEdeg 6.6 Posflg
Corr -0.2
SAO
SAO 125364 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 -0.014 Vmag 8.2 SpType F5
Double code Source 70 CatNum 27751 DM BD+06 4401
DMcomp BDsup HD 189757 M HD 0
GC 27751 RA1950rad 5.2313613 DE1950rad 0.11882327 PmRA2000 0.0005
PmDE2000 -0.017
CCDM
Ccdm 20014+0657 RComp Comp A Note1
Note2 Discov num DRAs -0.78 DDEs -10.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.7 Sp F5 PmNote *
PmRA 6 PmDE -20 Dm number +06 4401 Cat1 BD
Name2 +06 2638 Cat2 AGK2/3 HD 189757 M HD
ADS BDS B 9814 M ADS BDS N IDS IDS 19565N0639A
HIC
 
 
20014+0657 B
 
 
Coord arcsec 2000 200125.51+065714.6 Coord calc 200125.51+065714.6 Mag 9.9 Spectral class G0 (yellow)
PmRA 38.00 PmDE -6.0 SAO 125365 DM BD+06 4402
Delta magnitude 1.61
SAO
SAO 125365 DelFlag RA1950 PmRA1950 0.0023
DE1950 PmDE1950 0.009 Vmag 9.2 SpType
Double code Source 32 CatNum 9761 DM BD+06 4402
DMcomp BDsup HD M HD
GC RA1950rad 5.23151964 DE1950rad 0.11894207 PmRA2000 0.0025
PmDE2000 0.006
CCDM
Ccdm 20014+0657 RComp Comp B Note1
Note2 Discov num STF2612 DRAs 1.47 DDEs 14.2
R dRAs 10 Year 1921 Theta 053 Rho 39.3
Obs 13 Vmag 9.7 Sp PmNote *
PmRA 28 PmDE -8 Dm number +06 4402 Cat1 BD
Name2 +06 2639 Cat2 AGK2/3 HD M HD
ADS BDS B 9814 M ADS BDS N IDS IDS 19565N0639B
HIC
 
 
20014+0657 C
 
 
Coord arcsec 2000 200126.72+065735.3 Coord calc 200126.72+065735.3 Mag 12.3 PmRA 55.00
PmDE -50.0 Delta magnitude 4.01
 
 
20014+0657 D
 
 
Coord arcsec 2000 200126.54+065737.6 Mag 13.3 PmRA -21.00 PmDE -3.0
Delta magnitude 5.01 Coordinate calculated yes