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Doubles in session


Current system
20014+1045
STF 2613 AB
HD 189783


Nearby doubles
21' : 20021+1103
BPM1943

23' : 20016+1023
BRT3227

25' : 20029+1056
AG 397

28' : 20019+1019
GWP2917

30' : 20006+1112
BPM1924

31' : 20019+1114
BPM1937

33' : 20001+1111
HJ 1458

36' : 20019+1012
J 3043

38' : 19596+1111
BPM1913

39' : 20030+1115
HJ 1466

42' : 19587+1034
BPM1899

43' : 19586+1045
TDT1893

44' : 19599+1007
J 831

45' : 20044+1036
J 602

47' : 19590+1114
BPM1901

48' : 20028+1002
J 174

48' : 20032+1125
BPM1959

49' : 20034+1124
BRT1332

55' : 20013+0950
J 173

60' : 20016+1144
BPM1933

62' : 20056+1049
BRT1333

63' : 20057+1034
J 134

66' : 19579+1125
BU 266

73' : 20059+1113
GRV 311

74' : 19596+1153
SCJ 24

75' : 20011+0931
CHR 118



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20014+1045 STF 2613 AB (HD 189783)

 
 
20h 01m 26.66s +10° 44' 54.8" P.A. 354.00 sep 3.5 mag 7.48,8.02 Sp F5V+F5V dist. 80.58 pc (262.85 l.y.)
 
 
Coord 2000 20014+1045 Discov num STF2613 Comp AB Coord arcsec 2000 20 01 26.66 +10 44 54.8
Date first 1828 Date last 2020 Obs 166
Pa first 348 Pa last 354.3 P.A. Now (θ) 354.3°
Sep first 5.4 Sep last 3.52 Sep. Now (ρ) 3.52"
Mag pri 7.48 Mag sec 8.02 delta mag (ΔM) 0.54 Spectral class F5V+F5V (yellow-white/yellow-white)
Pri motion ra +084 Sec motion ra +084
Pri motion dec +025 Sec motion dec +025
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
20014+1045 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 105560 20 01 27 +10 44 55 TOK 34 Aa,Ab 2019 8 339 0.2 7.20 10.60 3.40
Show HD 189783 105560 20 01 27 +10 44 55 STF 2613 AB 2020 166 354 3.5 7.48 8.02 0.54 Y <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189783 Constellation Aquila SAO 105560 HIP 98578
Tycho2 1075-03271-1 Gaia DR2 4300710530575555968 HD 189783 GC 27754
ADS 13256 BD BD+10 4143 Distance 80.58 Distance ly 262.85
 
 
ORBITAL ELEMENTS
 
 
Period (P)2106.0989y± 839.4974 Periastron (T)2220.5498y± 207.1297 Semi-major axis (a)4.54412a± 2.37261
Eccentricity (e)0.65213± 0.25361 Inclination (i)74.956°± 7.741 Longitude of periastron (ω)290.393°± 21.204
Node (Ω)175.719°± 11.983 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 354.0 3.682
2001 354.1 3.673
2002 354.1 3.664
2003 354.2 3.655
2004 354.2 3.645
2005 354.3 3.636
2006 354.3 3.627
2007 354.4 3.617
2008 354.4 3.608
2009 354.5 3.598
2010 354.6 3.589
2011 354.6 3.579
2012 354.7 3.569
2013 354.7 3.560
2014 354.8 3.550
2015 354.8 3.540
2016 354.9 3.530
2017 354.9 3.520
2018 355.0 3.510
2019 355.0 3.500
2020 355.1 3.490
2021 355.2 3.479
2022 355.2 3.469
2023 355.3 3.459
2024 355.3 3.448
2025 355.4 3.438
2026 355.5 3.427
2027 355.5 3.416
2028 355.6 3.406
2029 355.6 3.395
2030 355.7 3.384


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds20014%2B1045b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 20014+1045 STF 2613 AB (HD 189783) : NOTES
 
 
discov_num notes refcode
TOK 34 Aa,Ab: Close visual pair has estimated period of ~100y.
Primary is 4.5d SB1. Tok2006
STF2613 A premature orbit has been computed for AB. Period of 2350y. Tok2006
 
 
REFERENCES
 
 
refcode metd author reference
Izm2019 orb u Izmailov, I.S. 2019AstL...45...30I
Izm2019 Ast. Lett. 45, 30, 2019
Izm2019 (Orbital elements from weighted solutions used when available (Table 2),
Izm2019 unweighted elements (Table 1) used for remaining 29 systems.)
Tok2006 A j Tokovinin, A., Thomas, S., Sterzik, M., & Udry, S. 2006A&A...450..681T
Tok2006 +E2 A&A 450, 681, 2006
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20014+1045 STF2613 AB 2007 138 354 3.6 7.48 8.02 F5V+F5V NOD 200126.66+104454.8
20014+1045 STF2613 AB 2009 140 354 3.5 7.48 8.02 F5V+F5V NOD 200126.66+104454.8
20014+1045 STF2613 AB 2010 146 354 3.5 7.48 8.02 F5V+F5V NOD 200126.66+104454.8
20014+1045 STF2613 AB 2011 147 355 3.5 7.48 8.02 F5V F5V NOD 200126.66+104454.8
20014+1045 STF2613 AB 2012 147 354 3.6 7.48 8.02 F5V F5V NOD 200126.66+104454.8
20014+1045 STF2613 AB 2013 148 354 3.5 7.48 8.02 F5V+F5V NOD 200126.66+104454.8
20014+1045 STF2613 AB 2015 150 355 3.6 7.48 8.02 F5V+F5V NO 200126.66+104454.8
20014+1045 STF2613 AB 2016 152 355 3.6 7.48 8.02 F5V+F5V NO 200126.66+104454.8
20014+1045 STF2613 AB 2017 157 356 3.5 7.48 8.02 F5V+F5V NO 200126.66+104454.8
20014+1045 STF2613 AB 2019 161 355 3.5 7.48 8.02 F5V+F5V NO 200126.66+104454.8
20014+1045 STF2613 AB 2020 162 354 3.5 7.48 8.02 F5V+F5V NO 200126.66+104454.8

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

 
 
WDS 20014+1045 STF 2613 AB (HD 189783) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 23/09/02 Daedalus1 mean difficulty separated 357   Very nice pair. Slight color contrast; primary white and slightly brighter than the white-yellow companion.

 
 
WDS 20014+1045 STF 2613 AB (HD 189783) : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 23/09/02 Daedalus1 mean difficulty 3.33 0.06 357.00 0.00 0.54 12 Seeing: Pickering 7, good.
 
 
WDS 20014+1045 (HD 189783) : VIRTUAL EYEPIECE
 
 

20014+1045 STF2613A mag 7.48 Sp F5V 20014+1045 TOK 34Ab sep 0.2 P.A. 339.60 mag 10.6 20014+1045 STF2613B sep 3.5 P.A. 354.40 mag 8.02 Sp F5V 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+1045 (HD 189783) : ALADIN DSS IMAGE @ 20h 01m 26.66s +10° 44' 54.8"
 
 
 
 
WDS 20014+1045 STF 2613 AB (HD 189783) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20014+1045 STF2613AB distance=0' 20021+1103 BPM1943 distance=21' 20016+1023 BRT3227 distance=23' 20029+1056 AG 397 distance=25' 20019+1019 GWP2917 distance=28' 20006+1112 BPM1924 distance=30' 20019+1114 BPM1937 distance=31' 20001+1111 HJ 1458 distance=33' 20019+1012 J 3043 distance=36' 19596+1111 BPM1913 distance=38' 20030+1115 HJ 1466 distance=39' 19587+1034 BPM1899 distance=42' 19586+1045 TDT1893 distance=43' 19599+1007 J 831 distance=44' 20044+1036 J 602 distance=45' 19590+1114 BPM1901 distance=47' 20028+1002 J 174 distance=48' 20032+1125 BPM1959 distance=48' 20034+1124 BRT1332 distance=49' 20013+0950 J 173 distance=55' 20016+1144 BPM1933 distance=60' 20056+1049 BRT1333 distance=62' 20057+1034 J 134 distance=63' 19579+1125 BU 266 distance=66' 20059+1113 GRV 311 distance=73' 19596+1153 SCJ 24 distance=74' 20011+0931 CHR 118 distance=75' 20042+1148 STF2620AB distance=75' 20042+1148 STF2620AC distance=75' 20047+0949 J 545 distance=75' 20066+1033 HJ 903 distance=76' 20052+1137 BPMA233 distance=76' 20014+1202 TDT1917 distance=78' 20067+1029 GRV 312 distance=80' 19582+1146 J 1871 distance=80' 20056+1136 BRT1334 distance=81' 20070+1035 HJ 904AB distance=82' 20070+1034 TOB 306 distance=83' 19559+1101 BPMA211 distance=84' 19563+1003 J 2188 distance=85' 19566+1132 J 3237 distance=85' 20072+1037 HJ 905 distance=86' 19565+0959 J 1640 distance=86' 19579+1154 BPM1879 distance=87' 20038+0927 J 2295 distance=87' 19562+1125 DRS 19 distance=87' 20046+1159 BPM1977 distance=88' 19555+1035 J 601 distance=88' 19563+1131 J 1690 distance=88' 19582+1203 BPM1887 distance=92' 19594+1214 BPMA222 distance=94' 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+1045 TOK 34 Aa,Ab 339 0.2
Show 20014+1045 STF2613 AB 354 3.5
Show 20021+1103 BPM1943 12 22.2 21
Show 20016+1023 BRT3227 149 3.5 23
Show 20029+1056 AG 397 114 29.1 25
Show 20019+1019 GWP2917 113 3.2 28
Show 20006+1112 BPM1924 199 60.5 30
Show 20019+1114 BPM1937 338 112.9 31
Show 20001+1111 HJ 1458 312 16.2 33
Show 20019+1012 J 3043 178 7.4 36
Show 19596+1111 BPM1913 90 91.1 38
Show 20030+1115 HJ 1466 330 10.4 39
Show 19587+1034 BPM1899 193 50.9 42
Show 19586+1045 TDT1893 134 2.0 43
Show 19599+1007 J 831 276 7.3 44
Show 20044+1036 J 602 318 4.7 45
Show 19590+1114 BPM1901 1 103.3 47
Show 20028+1002 J 174 176 4.7 48
Show 20032+1125 BPM1959 249 108.9 48
Show 20034+1124 BRT1332 214 5.2 49
Show 20013+0950 J 173 53 6.3 55
Show 20016+1144 BPM1933 316 57.2 60
Show 20056+1049 BRT1333 6 3.3 62
Show 20057+1034 J 134 88 6.5 63
Show 19579+1125 BU 266 166 15.8 66
Show 20059+1113 GRV 311 21 9.7 73
Show 19596+1153 SCJ 24 6 38.6 74
Show 20011+0931 CHR 118 175 0.3 75
Show 20042+1148 STF2620 AB 287 1.9 75
Show 20042+1148 STF2620 AC 46 39.1 75
Show 20047+0949 J 545 355 5.1 75
Show 20066+1033 HJ 903 352 10.8 76
Show 20052+1137 BPMA233 77 202.8 76
Show 20014+1202 TDT1917 146 1.7 78
Show 20067+1029 GRV 312 319 15.6 80
Show 19582+1146 J 1871 164 6.5 80
Show 20056+1136 BRT1334 182 1.5 81
Show 20070+1035 HJ 904 AB 308 30.0 82
Show 20070+1034 TOB 306 157 13.1 83
Show 19559+1101 BPMA211 52 285.5 84
Show 19563+1003 J 2188 153 4.7 85
Show 19566+1132 J 3237 27 6.6 85
Show 20072+1037 HJ 905 177 12.1 86
Show 19565+0959 J 1640 85 6.9 86
Show 19579+1154 BPM1879 150 70.3 87
Show 20038+0927 J 2295 278 6.1 87
Show 19562+1125 DRS 19 185 2.9 87
Show 20046+1159 BPM1977 161 109.7 88
Show 19555+1035 J 601 253 4.1 88
Show 19563+1131 J 1690 222 5.3 88
Show 19582+1203 BPM1887 202 101.0 92

 
 
WDS 20014+1045 : COMPONENTS
 
 
  A Ab
Ab pa=339.6°
sep=0.18"
 
B pa=354.4°
sep=3.52"
pa=355.2°
sep=3.34"
 
 
20014+1045 A
 
 
Name HD 189783 Coord arcsec 2000 200126.66+104454.8 Mag 7.48 Spectral class F5V (yellow-white)
PmRA 84.00 PmDE 25.0 SAO 105560 HIP 98578
Tycho2 1075-03271-1 HD 189783 GC 27754 BD BD+10 4143
SAO
SAO 105560 DelFlag RA1950 PmRA1950 0.0061
DE1950 PmDE1950 0.035 Vmag 7.6 SpType F2
Double code Source 70 CatNum 27754 DM BD+10 4143
DMcomp BDsup HD 189783 M HD 0
GC 27754 RA1950rad 5.23188606 DE1950rad 0.1851583 PmRA2000 0.0062
PmDE2000 0.033
Hipparcos
Catalog H HIP 98578 Proxy H RAhms 20 01 26.66
DEdms +10 44 54.8 Vmag 6.97 VarFlag R Vmag H
RAdeg 300.361 DEdeg 10.7486 AstroRef A Plx 12.56
CCDM 20014+1045 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 354 Rho 3.764 HD 189783 BD BD+10 4143
CD CP Dm number +10 4143 VIred 0.49
SpType F2... R SpType Coord arcsec 2000 200126.66+104454.8
Hipparcos 2
HIP 98578 Sn 15 So 3 Nc 2
RArad 5.2422894965 DErad 0.1875977276 Plx 12.41 PmRA 83.1
PmDE 25.54 E RArad 0.68 E DErad 0.51 E Plx 0.89
E pmRA 0.83 E pmDE 0.58 Hpmag 7.0681 E Hpmag 0.001
SHp 0.009 VA 0 BV 0.44 E BV 0.016
VI 0.51
CCDM
Ccdm 20014+1045 RComp Comp A Note1
Note2 Discov num DRAs 2.69 DDEs -5.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.6 Sp F2 PmNote *
PmRA 81 PmDE 0 Dm number +10 4143 Cat1 BD
Name2 +10 2575 Cat2 AGK2/3 HD 189783 M HD
ADS BDS A13256 M ADS BDS N IDS IDS 19567N1028A
HIC 98578
 
 
20014+1045 Ab
 
 
Coord arcsec 2000 200126.66+104455.0 Mag 10.6 Calc delta mag 3.4 Calc coord yes
 
 
20014+1045 B
 
 
Coord arcsec 2000 200126.64+104458.3 Mag 8.02 Spectral class F5V (yellow-white) PmRA 84.00
PmDE 25.0 Tycho2 1075-03270-1 Calc delta mag 0.82 Calc coord yes
Tycho2
Tycho2 1075-03270-1 Pflag RAmdeg 300.36116329 DEmdeg 10.74975740
PmRA 82.4 PmDE 53.8 E RAmdeg 23 E DEmdeg 19
E pmRA 2.1 E pmDE 2.0 EpRAm 1989.82 EpDEm 1990.57
Num 4 Q RAmdeg 1.0 Q DEmdeg 0.6 Q pmRA 1.0
Q pmDE 0.6 BTmag 8.470 E BTmag 0.037 VTmag 8.016
E VTmag 0.034 Prox 39 TYC T HIP 98578
CCDM B RAdeg 300.36096139 DEdeg 10.74963444 EpRA 1990 1.33
EpDE 1990 1.78 E RAdeg 22.7 E DEdeg 18.9 Posflg
Corr -0.8
CCDM
Ccdm 20014+1045 RComp Comp B Note1 *
Note2 Discov num STF2613 DRAs DDEs
R dRAs Year 1956 Theta 352 Rho 4.0
Obs 99 Vmag 7.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13256 M ADS BDS N IDS IDS 19567N1028B
HIC 98578