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Doubles in session


Current system
19506-1047
HU 77 AB
HD 187493


Nearby doubles
4' : 19508-1046
HO 275

15' : 19504-1033
RST4644

27' : 19504-1114
UC 4035

28' : 19491-1104
RST4641AB

34' : 19520-1021
BU 148AB

39' : 19498-1125
STF2581AB

48' : 19502-1000
RST4643AB

61' : 19506-0947
KPP 444

69' : 19460-1039
HU 76

71' : 19467-1129
HDS2811

76' : 19555-1026
GWP2908

80' : 19525-1202
LDS4821

86' : 19463-0950
BRT 553

86' : 19455-1133
BRT2766

90' : 19447-1112
BU 827

92' : 19444-1102
CLS 1

94' : 19565-1016
GWP2911

95' : 19450-1133
GWP2886

100' : 19447-0958
BRT1952

102' : 19573-1109
UC 4058

105' : 19435-1055
TDT1677

112' : 19430-1040
GWP2883

113' : 19510-1240
GWP2901

115' : 19548-1223
HJ 602

118' : 19438-0945
RST4640

120' : 19539-1237
J 2288



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.

19506-1047 HU 77 AB (HD 187493)

 
 
19h 50m 34.42s -10° 47' 21.7" P.A. 320.00 sep 0.4 mag 9.30,11.80 Sp K0
 
 
Coord 2000 19506-1047 Discov num HU   77 Comp AB Coord arcsec 2000 19 50 34.42 -10 47 21.7
Date first 1899 Date last 1923 Obs 2
Pa first 317 Pa last 319.5 P.A. Now (θ) 319.5°
Sep first 0.5 Sep last 0.42 Sep. Now (ρ) 0.42"
Mag pri 9.30 Mag sec 11.80 delta mag (ΔM) 2.5 Spectral class K0 (yellow-orange)
Pri motion ra +012 Sec motion ra
Pri motion dec +004 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
19506-1047 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 187493 163035 19 50 34 -10 47 22 HU 77 AB 1923 2 320 0.4 9.30 11.80 2.50 <===
Show 163035 19 50 34 -10 47 22 HU 77 AB,C 2014 17 316 27.8 9.55 9.56 0.01
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 187493 Constellation Aquila SAO 163035 Tycho2 5729-00040-1
Gaia DR2 4190374504364964480 HD 187493 ADS 12998
 
 
WDS 19506-1047 HU 77 AB (HD 187493) : 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
19506-1047 HU 77 AB 1923 2 320 0.4 9.30 11.80 K0 195034.42-104721.7

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

 
 
WDS 19506-1047 HU 77 AB (HD 187493) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19506-1047 HU 77 AB (HD 187493) : MEASURES
 
 
No records found.

 
 
WDS 19506-1047 (HD 187493) : VIRTUAL EYEPIECE
 
 

19506-1047 HU 77A mag 9.3 Sp K0 19506-1047 HU 77B sep 0.4 P.A. 320.00 mag 11.8 19506-1047 HU 77C sep 27.6 P.A. 316.10 mag 9.56 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 19506-1047 (HD 187493) : ALADIN DSS IMAGE @ 19h 50m 34.42s -10° 47' 21.7"
 
 
 
 
WDS 19506-1047 HU 77 AB (HD 187493) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19506-1047 HU 77AB distance=1' 19506-1047 HU 77AB,C distance=1' 19508-1046 HO 275 distance=4' 19504-1033 RST4644 distance=15' 19504-1114 UC 4035 distance=27' 19491-1104 RST4641AB distance=28' 19491-1104 HLN 47AC distance=28' 19520-1021 BU 148AB distance=34' 19520-1021 BU 148AC distance=34' 19498-1125 STF2581AB distance=39' 19498-1125 UC 4034AC distance=39' 19502-1000 RST4643AB distance=48' 19502-1000 GII 286Aa,Ab distance=48' 19506-0947 KPP 444 distance=61' 19460-1039 HU 76 distance=69' 19467-1129 HDS2811 distance=71' 19555-1026 GWP2908 distance=76' 19525-1202 LDS4821 distance=80' 19463-0950 BRT 553 distance=86' 19455-1133 BRT2766 distance=86' 19447-1112 BU 827 distance=90' 19444-1102 CLS 1 distance=92' 19565-1016 GWP2911 distance=94' 19450-1133 GWP2886 distance=95' 19447-0958 BRT1952 distance=100' 19573-1109 UC 4058 distance=102' 19435-1055 TDT1677 distance=105' 19430-1040 GWP2883 distance=112' 19510-1240 GWP2901 distance=113' 19548-1223 HJ 602 distance=115' 19438-0945 RST4640 distance=118' 19539-1237 J 2288 distance=120' 19539-0858 RST4050 distance=120' 19422-1015 RST4639 distance=129' 19432-0937 AOT 76 distance=130' 19539-1248 UC 4048 distance=131' 19419-1117 RST4638AB distance=132' 19510-1301 LEO 46 distance=134' 19466-0841 TDT1731 distance=140' 19453-0849 AOT 79 distance=142' 19541-0834 HJ 900 distance=143' 19565-1240 LDS 858 distance=144' 19598-0957 HO 276AB distance=145' 19598-0957 HLA 22AC distance=145' 19573-1234 LDS4824 distance=146' 19436-0904 HO 579AB distance=147' 19436-0904 HO 579AC distance=147' 19438-0901 AOT 77 distance=147' 19579-0904 BU 1475AB distance=150' 19579-0904 HDO 155AC distance=150' 19579-0904 BU 1475CD distance=151' 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 19506-1047 HU 77 AB 320 0.4 1
Show 19506-1047 HU 77 AB,C 316 27.8 1
Show 19508-1046 HO 275 121 26.4 4
Show 19504-1033 RST4644 224 0.5 15
Show 19504-1114 UC 4035 322 14.2 27
Show 19491-1104 RST4641 AB 148 1.0 28
Show 19491-1104 HLN 47 AC 16 10.8 28
Show 19520-1021 BU 148 AB 219 0.6 34
Show 19520-1021 BU 148 AC 55 31.1 34
Show 19498-1125 STF2581 AB 287 44.9 39
Show 19498-1125 UC 4034 AC 107 62.2 39
Show 19502-1000 RST4643 AB 264 1.5 48
Show 19502-1000 GII 286 Aa,Ab 126 0.1 48
Show 19506-0947 KPP 444 223 3.6 61
Show 19460-1039 HU 76 264 0.9 69
Show 19467-1129 HDS2811 200 16.2 71
Show 19555-1026 GWP2908 121 8.3 76
Show 19525-1202 LDS4821 350 10.1 80
Show 19463-0950 BRT 553 91 19.5 86
Show 19455-1133 BRT2766 305 4.8 86
Show 19447-1112 BU 827 276 1.3 90
Show 19444-1102 CLS 1 254 1.8 92
Show 19565-1016 GWP2911 213 31.0 94
Show 19450-1133 GWP2886 71 488.4 95
Show 19447-0958 BRT1952 356 3.6 100
Show 19573-1109 UC 4058 197 13.2 102
Show 19435-1055 TDT1677 57 2.7 105
Show 19430-1040 GWP2883 175 20.7 112
Show 19510-1240 GWP2901 183 151.1 113
Show 19548-1223 HJ 602 309 6.7 115
Show 19438-0945 RST4640 305 0.6 118
Show 19539-1237 J 2288 100 4.6 120
Show 19539-0858 RST4050 154 0.9 120
Show 19422-1015 RST4639 20 0.7 129
Show 19432-0937 AOT 76 110 15.4 130
Show 19539-1248 UC 4048 202 21.9 131
Show 19419-1117 RST4638 AB 204 5.9 132
Show 19510-1301 LEO 46 112 4.2 134
Show 19466-0841 TDT1731 52 0.7 140
Show 19453-0849 AOT 79 348 15.5 142
Show 19541-0834 HJ 900 75 46.5 143
Show 19565-1240 LDS 858 157 19.1 144
Show 19598-0957 HO 276 AB 109 0.2 145
Show 19598-0957 HLA 22 AC 296 10.3 145
Show 19573-1234 LDS4824 77 62.7 146
Show 19436-0904 HO 579 AB 305 2.7 147
Show 19436-0904 HO 579 AC 153 63.8 147
Show 19438-0901 AOT 77 233 13.8 147
Show 19579-0904 BU 1475 AB 113 10.4 150
Show 19579-0904 HDO 155 AC 119 115.1 150
Show 19579-0904 BU 1475 CD 163 4.9 151

 
 
WDS 19506-1047 : COMPONENTS
 
 
  A B
B pa=320.0°
sep=0.42"
 
C pa=316.1°
sep=27.59"
pa=316.1°
sep=27.18"
 
 
19506-1047 A
 
 
Name HD 187493 Coord arcsec 2000 195034.42-104721.7 Mag 9.3 Spectral class K0 (yellow-orange)
PmRA 12.00 PmDE 4.0 SAO 163035 HD 187493
ADS 12998 DM BD-11 5147
SAO
SAO 163035 DelFlag RA1950 PmRA1950 0.0016
DE1950 PmDE1950 0.032 Vmag 9 SpType K0
Double code Source 20 CatNum 6970 DM BD-11 5147
DMcomp BDsup HD 187493 M HD 0
GC RA1950rad 5.18284252 DE1950rad -0.19053641 PmRA2000 0.0018
PmDE2000 0.032
CCDM
Ccdm 19506-1047 RComp Comp A Note1
Note2 Discov num DRAs -1.61 DDEs -19.7
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.3 Sp K0 PmNote *
PmRA 24 PmDE 32 Dm number -11 5147 Cat1 BD
Name2 163035 Cat2 SAO HD 187493 M HD
ADS BDS A12998 M ADS BDS N IDS IDS 19451S1103A
HIC
 
 
19506-1047 B
 
 
Coord arcsec 2000 195034.40-104721.4 Mag 11.8 Calc delta mag 2.5 Calc coord yes
CCDM
Ccdm 19506-1047 RComp Comp B Note1
Note2 Discov num HU 77 DRAs DDEs
R dRAs Year 1899 Theta 318 Rho 0.4
Obs 2 Vmag 11.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12998 M ADS BDS N IDS IDS 19451S1103B
HIC
 
 
19506-1047 C
 
 
Coord arcsec 2000 195033.12-104701.8 Mag 9.56 PmRA 5.00 PmDE -10.0
Tycho2 5729-00040-1 ADS 12998 DM BD-11 5146 Calc delta mag 0.26
Calc coord yes
Tycho2
Tycho2 5729-00040-1 Pflag RAmdeg 297.64341790 DEmdeg -10.78938872
PmRA 11.5 PmDE 3.9 E RAmdeg 22 E DEmdeg 21
E pmRA 1.3 E pmDE 1.3 EpRAm 1983.21 EpDEm 1981.69
Num 8 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 1.1 BTmag 10.656 E BTmag 0.060 VTmag 9.555
E VTmag 0.035 Prox 281 TYC T HIP
CCDM RAdeg 297.64339528 DEdeg -10.78939750 EpRA 1990 1.67
EpDE 1990 1.46 E RAdeg 26.5 E DEdeg 30.2 Posflg
Corr -0.2
CCDM
Ccdm 19506-1047 RComp Comp C Note1
Note2 Discov num HU 77 DRAs -2.63 DDEs -2.5
R dRAs 10 Year 1901 Theta 320 Rho 28.8
Obs 2 Vmag 10.5 Sp PmNote *
PmRA 84 PmDE -22 Dm number -11 5146 Cat1 BD
Name2 163034 Cat2 SAO HD M HD
ADS BDS A12998 M ADS BDS N IDS IDS 19451S1103C
HIC