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Current system
19460-0735
HDS 2808
HD 186642


Nearby doubles
39' : 19471-0809
A 108

51' : 19463-0645
UC 4022

52' : 19494-0746
RST4642

53' : 19436-0656
LDS5884

53' : 19447-0825
AOT 78

59' : 19498-0730
UC 4033

62' : 19431-0818
STFA 45AB

67' : 19466-0841
TDT1731

70' : 19448-0627
TDT1702

75' : 19416-0659
J 1856

75' : 19453-0849
AOT 79

77' : 19408-0738
GWP2881

77' : 19510-0749
UC 4039

80' : 19408-0707
J 2553

80' : 19459-0615
GWP2890

82' : 19428-0628
HDS2796

91' : 19401-0759
YSC 161

92' : 19438-0901
AOT 77

94' : 19431-0612
GWP2884

96' : 19521-0802
GWP2903

96' : 19436-0904
HO 579AB

99' : 19419-0854
TDT1651

112' : 19393-0644
GWP2875

113' : 19439-0547
BWL 52AB

117' : 19521-0625
J 2287

121' : 19384-0819
HJ 892



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.

19460-0735 HDS 2808 (HD 186642)

 
 
19h 45m 57.72s -07° 35' 13.8" P.A. 175.00 sep 0.1 mag 9.31,10.01 Sp K2 dist. 1136.36 pc (3706.81 l.y.)
 
 
Coord 2000 19460-0735 Discov num HDS2808 Comp Coord arcsec 2000 19 45 57.72 -07 35 13.8
Date first 1991 Date last 1991 Obs 1
Pa first 175 Pa last 175 P.A. Now (θ) 175°
Sep first 0.1 Sep last 0.104 Sep. Now (ρ) 0.104"
Mag pri 9.31 Mag sec 10.01 delta mag (ΔM) 0.7 Spectral class K2 (yellow-orange)
Pri motion ra +000 Sec motion ra
Pri motion dec -009 Sec motion dec
Notes X (Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 186642 Constellation Aquila SAO 143777 HIP 97256
Tycho2 5724-00213-1 Gaia DR2 4196329734219076480 HD 186642 BD BD-07 5057
Distance 1136.36 Distance ly 3706.81
 
 
WDS 19460-0735 HDS 2808 (HD 186642) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19460-0735 HDS2808 1991 1 175 0.1 9.31 10.01 K2 194557.72-073513.8

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

 
 
WDS 19460-0735 HDS 2808 (HD 186642) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19460-0735 HDS 2808 (HD 186642) : MEASURES
 
 
No records found.

 
 
WDS 19460-0735 (HD 186642) : VIRTUAL EYEPIECE
 
 

19460-0735 HDS2808A mag 9.31 Sp K2 19460-0735 HDS2808B sep 0.1 P.A. 175.00 mag 10.01 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 19460-0735 (HD 186642) : ALADIN DSS IMAGE @ 19h 45m 57.72s -07° 35' 13.8"
 
 
 
 
WDS 19460-0735 HDS 2808 (HD 186642) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19460-0735 HDS2808 distance=1' 19471-0809 A 108 distance=39' 19463-0645 UC 4022 distance=51' 19494-0746 RST4642 distance=52' 19436-0656 LDS5884 distance=53' 19447-0825 AOT 78 distance=53' 19498-0730 UC 4033 distance=59' 19431-0818 STFA 45AB distance=62' 19431-0818 HDS2799Ba,Bb distance=62' 19466-0841 TDT1731 distance=67' 19448-0627 TDT1702 distance=70' 19416-0659 J 1856 distance=75' 19453-0849 AOT 79 distance=75' 19408-0738 GWP2881 distance=77' 19510-0749 UC 4039 distance=77' 19408-0707 J 2553 distance=80' 19459-0615 GWP2890 distance=80' 19428-0628 HDS2796 distance=82' 19401-0759 YSC 161 distance=91' 19438-0901 AOT 77 distance=92' 19431-0612 GWP2884 distance=94' 19521-0802 GWP2903 distance=96' 19436-0904 HO 579AB distance=96' 19436-0904 HO 579AC distance=96' 19419-0854 TDT1651 distance=99' 19393-0644 GWP2875 distance=112' 19439-0547 BWL 52AB distance=113' 19439-0547 BWL 52AC distance=113' 19439-0547 BWL 52AD distance=113' 19439-0547 BWL 52AE distance=113' 19439-0547 BWL 52AF distance=113' 19439-0547 BWL 52AG distance=113' 19439-0547 BWL 52AH distance=113' 19521-0625 J 2287 distance=117' 19384-0819 HJ 892 distance=121' 19432-0937 AOT 76 distance=129' 19438-0945 RST4640 distance=134' 19546-0814 STF2594AB distance=135' 19463-0950 BRT 553 distance=135' 19541-0834 HJ 900 distance=136' 19532-0601 UC 4045 distance=144' 19531-0558 GMC 25 distance=144' 19556-0747 TDT1855 distance=144' 19539-0858 RST4050 distance=145' 19447-0958 BRT1952 distance=146' 19534-0600 STF2591 distance=146' 19553-0644 STF2597AB distance=149' 19553-0644 BOW 8AC distance=149' 19506-0947 KPP 444 distance=150' 19447-0507 J 3262 distance=151' 19371-0621 J 2272 distance=152' 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 19460-0735 HDS2808 175 0.1 1
Show 19471-0809 A 108 107 0.3 39
Show 19463-0645 UC 4022 29 48.6 51
Show 19494-0746 RST4642 260 0.4 52
Show 19436-0656 LDS5884 52 10.3 53
Show 19447-0825 AOT 78 256 17.2 53
Show 19498-0730 UC 4033 6 44.5 59
Show 19431-0818 STFA 45 AB 145 96.3 62
Show 19431-0818 HDS2799 Ba,Bb 232 0.5 62
Show 19466-0841 TDT1731 52 0.7 67
Show 19448-0627 TDT1702 258 0.5 70
Show 19416-0659 J 1856 86 8.5 75
Show 19453-0849 AOT 79 348 15.5 75
Show 19408-0738 GWP2881 276 27.9 77
Show 19510-0749 UC 4039 169 10.3 77
Show 19408-0707 J 2553 265 3.9 80
Show 19459-0615 GWP2890 153 254.9 80
Show 19428-0628 HDS2796 178 2.9 82
Show 19401-0759 YSC 161 253 0.1 91
Show 19438-0901 AOT 77 233 13.8 92
Show 19431-0612 GWP2884 113 298.8 94
Show 19521-0802 GWP2903 49 119.6 96
Show 19436-0904 HO 579 AB 305 2.7 96
Show 19436-0904 HO 579 AC 153 63.8 96
Show 19419-0854 TDT1651 187 0.6 99
Show 19393-0644 GWP2875 267 12.0 112
Show 19439-0547 BWL 52 AB 110 4.2 113
Show 19439-0547 BWL 52 AC 193 5.3 113
Show 19439-0547 BWL 52 AD 245 2.5 113
Show 19439-0547 BWL 52 AE 281 4.9 113
Show 19439-0547 BWL 52 AF 83 6.0 113
Show 19439-0547 BWL 52 AG 94 4.9 113
Show 19439-0547 BWL 52 AH 333 5.8 113
Show 19521-0625 J 2287 170 3.3 117
Show 19384-0819 HJ 892 14 22.2 121
Show 19432-0937 AOT 76 110 15.4 129
Show 19438-0945 RST4640 305 0.6 134
Show 19546-0814 STF2594 AB 171 36.3 135
Show 19463-0950 BRT 553 91 19.5 135
Show 19541-0834 HJ 900 75 46.5 136
Show 19532-0601 UC 4045 12 68.1 144
Show 19531-0558 GMC 25 338 32.3 144
Show 19556-0747 TDT1855 41 1.5 144
Show 19539-0858 RST4050 154 0.9 145
Show 19447-0958 BRT1952 356 3.6 146
Show 19534-0600 STF2591 106 29.4 146
Show 19553-0644 STF2597 AB 100 0.6 149
Show 19553-0644 BOW 8 AC -1 -1.0 149
Show 19506-0947 KPP 444 223 3.6 150
Show 19447-0507 J 3262 94 4.7 151
Show 19371-0621 J 2272 336 1.8 152

 
 
WDS 19460-0735 : COMPONENTS
 
 
  A
B pa=175.0°
sep=0.10"
 
 
19460-0735 A
 
 
Componente originario normalizzato AB Name HD 186642 Coord arcsec 2000 194557.72-073513.8 Mag 9.31
Spectral class K2 (yellow-orange) PmRA 0.00 PmDE -9.0 SAO 143777
HIP 97256 Tycho2 5724-00213-1 HD 186642 BD BD-07 5057
Tycho2
Tycho2 5724-00213-1 Pflag RAmdeg 296.49048407 DEmdeg -7.58718913
PmRA -1.9 PmDE -9.8 E RAmdeg 9 E DEmdeg 12
E pmRA 1.2 E pmDE 1.2 EpRAm 1989.81 EpDEm 1988.42
Num 15 Q RAmdeg 1.8 Q DEmdeg 1.1 Q pmRA 1.7
Q pmDE 1.1 BTmag 10.974 E BTmag 0.045 VTmag 8.973
E VTmag 0.015 Prox 999 TYC T HIP 97256
CCDM AB RAdeg 296.49048806 DEdeg -7.58716639 EpRA 1990 1.81
EpDE 1990 1.63 E RAdeg 10.0 E DEdeg 12.9 Posflg P
Corr -0.4
SAO
SAO 143777 DelFlag RA1950 PmRA1950 0.0013
DE1950 PmDE1950 -0.014 Vmag 8.6 SpType K2
Double code Source 26 CatNum 6921 DM BD-07 5057
DMcomp BDsup HD 186642 M HD 0
GC RA1950rad 5.16296932 DE1950rad -0.13456154 PmRA2000 0.0015
PmDE2000 -0.014
Hipparcos
Catalog H HIP 97256 Proxy H RAhms 19 45 57.72
DEdms -07 35 13.8 Vmag 8.8 VarFlag R Vmag G
RAdeg 296.49 DEdeg -7.58716 AstroRef * Plx -0.35
CCDM 19460-0735 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual B M HIP AB
Theta 175 Rho 0.104 HD 186642 BD BD-07 5057
CD CP Dm number -07 5057 VIred 1.12
SpType K2 R SpType Coord arcsec 2000 194557.72-073513.8
Hipparcos 2
HIP 97256 Sn 55 So 3 Nc 2
RArad 5.1747351087 DErad -0.1324210071 Plx -0.88 PmRA 2.16
PmDE -9.36 E RArad 1.14 E DErad 0.55 E Plx 1.34
E pmRA 1.25 E pmDE 0.66 Hpmag 8.8484 E Hpmag 0.0024
SHp 0.02 VA 0 BV 1.16 E BV 0.04
VI 1.12
CCDM
Ccdm 19460-0735 RComp Comp A Note1
Note2 Discov num DRAs -2.28 DDEs -13.8
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.3 Sp K2 PmNote *
PmRA 0 PmDE -9 Dm number -07 5057 Cat1 BD
Name2 143777 Cat2 SAO HD 186642 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 97256
 
 
19460-0735 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 194557.72-073513.9 Mag 10.01 Calc delta mag 0.7
Calc coord yes
CCDM
Ccdm 19460-0735 RComp Comp B Note1
Note2 Discov num HDS DRAs -2.28 DDEs -13.9
R dRAs 82 Year 1991 Theta 175 Rho 0.1
Obs 1 Vmag 10.0 Sp PmNote *
PmRA 0 PmDE -9 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 97256