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Current system
19577+5118
HU 689
HD 189451


Nearby doubles
39' : 19549+5049
HU 687

41' : 19591+5040
HJ 1464

44' : 19564+5200
KPP3350

51' : 19546+5037
ES 797

66' : 20046+5115
TDS1040

66' : 20038+5150
TDT1944

66' : 19516+5046
HU 686

67' : 19507+5120
ES 796

68' : 19510+5143
TDT1800

69' : 19509+5056
TDT1798

72' : 19556+5226
STF2605AB

73' : 20032+5028
HO 454

80' : 19507+5203
KPP1609

80' : 20014+5006
H 5 47AB

80' : 20062+5112
TDT1980

83' : 19498+5155
AZC 179

85' : 19487+5118
HEI 907

88' : 19513+5015
TDT1805

88' : 20055+5030
ES 798AB

88' : 20017+5238
TDT1921

91' : 19508+5222
MLR 640

93' : 19576+5250
A 1410

99' : 19478+5154
AG 239

99' : 19477+5046
DEA 371

100' : 19571+4939
HDS2839

101' : 19498+5011
JKA 88



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.

19577+5118 HU 689 (HD 189451)

 
 
19h 57m 42.12s +51° 17' 55.5" P.A. 330.00 sep 0.1 mag 8.60,9.00 Sp A0 dist. 467.29 pc (1524.3 l.y.)
 
 
Coord 2000 19577+5118 Discov num HU  689 Comp Coord arcsec 2000 19 57 42.12 +51 17 55.5
Date first 1904 Date last 1984 Obs 15
Pa first 17 Pa last 329.9 P.A. Now (θ) 329.9°
Sep first 0.4 Sep last 0.068 Sep. Now (ρ) 0.068"
Mag pri 8.60 Mag sec 9.00 delta mag (ΔM) 0.4 Spectral class A0 (white)
Pri motion ra -027 Sec motion ra
Pri motion dec +015 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189451 Constellation Cygnus SAO 32143 HIP 98229
Tycho2 3570-00440-1 Gaia DR2 2088966745817696896 HD 189451 ADS 13191
BD BD+50 2936 Distance 467.29 Distance ly 1524.3
 
 
WDS 19577+5118 HU 689 (HD 189451) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hu_1896 not - Hussey, W.F. 1896PASP....8..183H
Hu_1896 PASP 8, 183, 1896
Hu_1897 Ma - Hussey, W.J. 1897AJ.....17...97H
Hu_1897 AJ 17, 97, 1897
Hu_1898 Ma j Hussey, W.J. 1898AJ.....18..145H
Hu_1898 AJ 18, 145, 1898
Hu_1899 Ma j Hussey, W.J. 1899AN....150..175H
Hu_1899 AN 150, 175, 1899
Hu_1900a Ma - Hussey, W.J. 1900AJ.....20..192H
Hu_1900a AJ 20, 192, 1900
Hu_1900b Ma - Hussey, W.J. 1900AJ.....21...35H
Hu_1900b AJ 21, 35, 1900
Hu_1900c Ma j Hussey, W.J. 1900AN....152..329H
Hu_1900c AN 152, 329, #3645, 1900
Hu_1901a Ma j Hussey, W.J. 1901PLicO...5.....H
Hu_1901a +orb Pub. Lick Obs. 5, 1901
Hu_1901b Ma j Hussey, W.J. 1901LicOB...1...82H
Hu_1901b Lick Obs. Bull. 1, 82, 1901
Hu_1902a Ma j Hussey, W.J. 1902LicOB...1..161H
Hu_1902a Lick Obs. Bull. 1, 161, 1902
Hu_1902b Ma j Hussey, W.J. 1902LicOB...2....1H
Hu_1902b Lick Obs. Bull. 2, 1, 1902
Hu_1903a Ma j Hussey, W.J. 1903LicOB...2...73H
Hu_1903a Lick Obs. Bull. 2, 73, 1903
Hu_1903b Ma j Hussey, W.J. 1903LicOB...2..115H
Hu_1903b Lick Obs. Bull. 2, 115, 1903
Hu_1904a Ma j Hussey, W.J. 1904LicOB...2..180H
Hu_1904a Lick Obs. Bull. 2, 180, 1904
Hu_1904b Ma - Hussey, W.J. 1904LicOB...3...53H
Hu_1904b Lick Obs. Bull. 3, 53, 1904
Hu_1905a Ma - Hussey, W.J. 1905LicOB...3...95H
Hu_1905a Lick Obs. Bull. 3, 95, 1905
Hu_1905b Ma - Hussey, W.J. 1905LicOB...3..116H
Hu_1905b Lick Obs. Bull. 3, 116, 1905
Hu_1905c Ma - Hussey, W.J. 1905LicOB...3..151H
Hu_1905c Lick Obs. Bull. 3, 151, 1905
Hu_1906A Ma - Hussey, W.J. 1906MmRAS..56....1L
Hu_1906A cited by Lewis (MemRAS 56, 1, 1906)
Hu_1906B Ma - Hussey, W.J. 1906QB821.B972.....
Hu_1906B cited in BDS (Burnham Double Star Cat.), 1906
Hu_1907 Ma - Hussey, W.J. 1907LicOB...4..124H
Hu_1907 Lick Obs. Bull. 4, 124, 1907
Hu_1910 Ma - Hussey, W.J. 1910AJ.....21..105H
Hu_1910 AJ 21, 105, 1910
Hu_1911 Ma - Hussey, W.J. 1911LicOB...6..182H
Hu_1911 Lick Obs. Bull. 6, 182, 1911
Hu_1912a Ma - Hussey, W.J. 1915POMic...1..147H
Hu_1912a Pub. Univ. Michigan Obs. 1, 147, 1912
Hu_1912b Ma - Hussey, W.J. 1915POMic...1..160H
Hu_1912b Pub. Univ. Michigan Obs. 1, 160, 1912
Hu_1912c Ma - Hussey, W.J. 1915POMic...1..167H
Hu_1912c Pub. Univ. Michigan Obs. 1, 167, 1912
Hu_1927A Ma - Hussey, W.J. 1927sdsc.book......
Hu_1927A cited in SDS (Southern Double Star Cat.), 1927
Hu_1932A Ma - Hussey, W.J. 1932QB821.A43......
Hu_1932A cited in ADS (Aitken Double Star Cat.), 1932
Hu_9999 Ma - Hussey, W.J. ...................
Hu_9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19577+5118 HU 689 1984 15 330 0.1 8.60 9.00 A0 D 195742.12+511755.5

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

 
 
WDS 19577+5118 HU 689 (HD 189451) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19577+5118 HU 689 (HD 189451) : MEASURES
 
 
No records found.

 
 
WDS 19577+5118 (HD 189451) : VIRTUAL EYEPIECE
 
 

19577+5118 HU 689A mag 8.6 Sp A0 19577+5118 HU 689B sep 0.1 P.A. 340.10 mag 9 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 19577+5118 (HD 189451) : ALADIN DSS IMAGE @ 19h 57m 42.12s +51° 17' 55.5"
 
 
 
 
WDS 19577+5118 HU 689 (HD 189451) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19577+5118 HU 689 distance=0' 19549+5049 HU 687 distance=39' 19591+5040 HJ 1464 distance=41' 19564+5200 KPP3350 distance=44' 19546+5037 ES 797 distance=51' 20046+5115 TDS1040 distance=66' 20038+5150 TDT1944 distance=66' 19516+5046 HU 686 distance=66' 19507+5120 ES 796 distance=67' 19510+5143 TDT1800 distance=68' 19509+5056 TDT1798 distance=69' 19556+5226 YR 2Aa,Ab distance=72' 19556+5226 STF2605AB distance=72' 19556+5226 STF2605AC distance=72' 19556+5226 STF2605AD distance=72' 20032+5028 HO 454 distance=73' 19507+5203 KPP1609 distance=80' 20014+5006 H 5 47AB distance=80' 20014+5006 H 5 47AE distance=80' 20062+5112 TDT1980 distance=80' 20014+5006 H 5 47BC distance=81' 20014+5006 H 5 47BD distance=81' 19498+5155 AZC 179 distance=83' 19487+5118 HEI 907 distance=85' 19513+5015 TDT1805 distance=88' 20055+5030 ES 798AB distance=88' 20017+5238 TDT1921 distance=88' 20055+5030 ES 798BC distance=89' 19508+5222 MLR 640 distance=91' 19576+5250 A 1410 distance=93' 19478+5154 AG 239 distance=99' 19477+5046 DEA 371 distance=99' 19571+4939 HDS2839 distance=100' 19498+5011 JKA 88 distance=101' 19546+4940 TDS1023 distance=103' 19480+5029 DEA 157 distance=104' 19474+5042 KOI2290 distance=104' 20062+5227 TDT1979 distance=105' 19468+5057 TDT1735 distance=105' 19466+5101 JKA 79 distance=106' 19568+5304 KPP 448 distance=107' 19463+5114 DEA 117 distance=107' 19535+4939 ARG 87 distance=107' 19480+5022 KOI 129 distance=108' 19468+5051 ES 795AB distance=109' 19468+5051 ES 795AC distance=109' 19468+5051 ES 795AD distance=109' 19537+4936 ES 2685 distance=110' 19487+5009 KOI3471 distance=111' 19461+5140 ARY 66 distance=111' 19524+5257 TDT1816 distance=111' 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 19577+5118 HU 689 330 0.1
Show 19549+5049 HU 687 27 0.2 39
Show 19591+5040 HJ 1464 41 12.8 41
Show 19564+5200 KPP3350 234 1.4 44
Show 19546+5037 ES 797 154 4.6 51
Show 20046+5115 TDS1040 272 1.4 66
Show 20038+5150 TDT1944 330 0.8 66
Show 19516+5046 HU 686 160 4.9 66
Show 19507+5120 ES 796 19 6.1 67
Show 19510+5143 TDT1800 238 0.8 68
Show 19509+5056 TDT1798 85 0.6 69
Show 19556+5226 YR 2 Aa,Ab 45 0.1 72
Show 19556+5226 STF2605 AB 175 2.9 72
Show 19556+5226 STF2605 AC 53 23.9 72
Show 19556+5226 STF2605 AD 60 169.8 72
Show 20032+5028 HO 454 53 5.9 73
Show 19507+5203 KPP1609 93 12.2 80
Show 20014+5006 H 5 47 AB 150 41.8 80
Show 20014+5006 H 5 47 AE 343 168.3 80
Show 20062+5112 TDT1980 42 0.8 80
Show 20014+5006 H 5 47 BC 76 8.8 81
Show 20014+5006 H 5 47 BD 258 9.4 81
Show 19498+5155 AZC 179 234 23.1 83
Show 19487+5118 HEI 907 177 1.5 85
Show 19513+5015 TDT1805 254 0.8 88
Show 20055+5030 ES 798 AB 107 80.9 88
Show 20017+5238 TDT1921 121 0.4 88
Show 20055+5030 ES 798 BC 325 3.3 89
Show 19508+5222 MLR 640 97 1.9 91
Show 19576+5250 A 1410 198 1.4 93
Show 19478+5154 AG 239 238 16.2 99
Show 19477+5046 DEA 371 113 17.5 99
Show 19571+4939 HDS2839 80 0.6 100
Show 19498+5011 JKA 88 43 5.7 101
Show 19546+4940 TDS1023 347 2.1 103
Show 19480+5029 DEA 157 334 7.5 104
Show 19474+5042 KOI2290 220 0.3 104
Show 20062+5227 TDT1979 256 1.6 105
Show 19468+5057 TDT1735 286 2.4 105
Show 19466+5101 JKA 79 166 470.2 106
Show 19568+5304 KPP 448 99 5.0 107
Show 19463+5114 DEA 117 230 6.7 107
Show 19535+4939 ARG 87 271 14.8 107
Show 19480+5022 KOI 129 221 2.1 108
Show 19468+5051 ES 795 AB 330 4.2 109
Show 19468+5051 ES 795 AC 48 15.2 109
Show 19468+5051 ES 795 AD 53 26.0 109
Show 19537+4936 ES 2685 250 32.9 110
Show 19487+5009 KOI3471 229 0.5 111
Show 19461+5140 ARY 66 224 101.1 111
Show 19524+5257 TDT1816 232 0.6 111

 
 
WDS 19577+5118 : COMPONENTS
 
 
  A
B pa=340.1°
sep=0.06"
 
 
19577+5118 A
 
 
Componente originario normalizzato AB Name HD 189451 Coord arcsec 2000 195742.12+511755.5 Mag 8.6
Spectral class A0 (white) PmRA -27.00 PmDE 15.0 SAO 32143
HIP 98229 Tycho2 3570-00440-1 HD 189451 ADS 13191
BD BD+50 2936
Tycho2
Tycho2 3570-00440-1 Pflag RAmdeg 299.42547592 DEmdeg 51.29873959
PmRA -2.2 PmDE 1.5 E RAmdeg 5 E DEmdeg 5
E pmRA 1.4 E pmDE 1.5 EpRAm 1991.40 EpDEm 1991.53
Num 8 Q RAmdeg 0.6 Q DEmdeg 0.4 Q pmRA 0.6
Q pmDE 0.3 BTmag 8.101 E BTmag 0.015 VTmag 8.075
E VTmag 0.012 Prox 999 TYC T HIP 98229
CCDM RAdeg 299.42548361 DEdeg 51.29873639 EpRA 1990 1.67
EpDE 1990 1.78 E RAdeg 5.2 E DEdeg 5.0 Posflg
Corr 0.1
SAO
SAO 32143 DelFlag RA1950 PmRA1950 -0.0014
DE1950 PmDE1950 0.02 Vmag 8.4 SpType A0
Double code Source 37 CatNum 6282 DM BD+50 2936
DMcomp BDsup HD 189451 M HD 0
GC RA1950rad 5.22005553 DE1950rad 0.89295775 PmRA2000 -0.0009
PmDE2000 0.018
Hipparcos
Catalog H HIP 98229 Proxy RAhms 19 57 42.12
DEdms +51 17 55.5 Vmag 8.08 VarFlag R Vmag H
RAdeg 299.425 DEdeg 51.2987 AstroRef Plx 1.6
CCDM 19577+5118 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 189451 BD BD+50 2936
CD CP Dm number +50 2936 VIred 0.04
SpType A0 R SpType Coord arcsec 2000 195742.12+511755.5
Hipparcos 2
HIP 98229 Sn 5 So 0 Nc 1
RArad 5.2259605375 DErad 0.8953318636 Plx 2.14 PmRA -1.73
PmDE 1.2 E RArad 0.45 E DErad 0.46 E Plx 0.52
E pmRA 0.56 E pmDE 0.47 Hpmag 8.0958 E Hpmag 0.0012
SHp 0.014 VA 0 BV 0.027 E BV 0.011
VI 0.04
CCDM
Ccdm 19577+5118 RComp Comp A Note1
Note2 Discov num DRAs 0.08 DDEs -4.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp A0 PmNote *
PmRA -11 PmDE 4 Dm number +50 2936 Cat1 BD
Name2 +51 1376 Cat2 AGK2/3 HD 189451 M HD
ADS BDS A13191 M ADS BDS N IDS IDS 19550N5102A
HIC 98229
 
 
19577+5118 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 195742.12+511755.6 Mag 9 Calc delta mag 0.4
Calc coord yes
CCDM
Ccdm 19577+5118 RComp Comp B Note1
Note2 Discov num HU 689 DRAs DDEs
R dRAs Year 1959 Theta 005 Rho 0.2
Obs 8 Vmag 9.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13191 M ADS BDS N N IDS IDS 19550N5102B
HIC 98229