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Current system
18575-1903
HDS 2687


Nearby doubles
28' : 18562-1843
OCC 964

30' : 18594-1917
OCC 590

31' : 18597-1909
BRT1544

39' : 19000-1918
OCC 346

40' : 18598-1927
DYL 25AB

44' : 18596-1934
DYL 22

46' : 19004-1923
DYL 26AB

54' : 19013-1856
ARA 766

56' : 19008-1934
DYL 27

57' : 19015-1913
DYL 28

58' : 18596-1952
DYL 23AB

58' : 18547-1946
OL 80

58' : 19016-1912
DYL 48

59' : 19016-1913
DYL 30

62' : 19016-1841
DYL 29AB

68' : 18536-1941
RST3203

68' : 18531-1838
HO 569AB

71' : 18526-1909
ARA 764

77' : 19019-1818
MRA 26

78' : 19029-1918
DYL 34

78' : 18546-2010
ARA1163

80' : 19031-1906
OCC 408

80' : 19031-1915
HJ 5082AB

81' : 19019-1954
DYL 32

82' : 19029-1836
DYL 35AB

83' : 19031-1928
A 2264AB



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18575-1903 HDS 2687

 
 
18h 57m 32.64s -19° 02' 46.9" P.A. 346.00 sep 1.9 mag 11.21,12.20 Sp K9V+(k) dist. 23.82 pc (77.7 l.y.)
 
 
Coord 2000 18575-1903 Discov num HDS2687 Comp Coord arcsec 2000 18 57 32.64 -19 02 46.9
Date first 1991 Date last 2016 Obs 4
Pa first 357 Pa last 346.3 P.A. Now (θ) 346.3°
Sep first 1.8 Sep last 1.909 Sep. Now (ρ) 1.909"
Mag pri 11.21 Mag sec 12.20 delta mag (ΔM) 0.99 Spectral class K9V+(k) (yellow-orange)
Pri motion ra +091 Sec motion ra +098
Pri motion dec +114 Sec motion dec +115
Notes
rPM=0.047 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius HIP 93072 Tycho2 6290-00679-3 Gaia DR2 4086490824728216704
Distance 23.82 Distance ly 77.7
 
 
WDS 18575-1903 HDS 2687 : 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
18575-1903 HDS2687 1991 2 359 1.8 11.21 12.20 185732.64-190246.9
18575-1903 HDS2687 2015 3 347 1.9 11.21 12.20 K9V+(k) 185732.64-190246.9
18575-1903 HDS2687 2016 4 346 1.9 11.21 12.20 K9V+(k) 185732.64-190246.9

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

 
 
WDS 18575-1903 HDS 2687 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18575-1903 HDS 2687 : MEASURES
 
 
No records found.

 
 
WDS 18575-1903 : VIRTUAL EYEPIECE
 
 

18575-1903 HDS2687A mag 11.21 Sp K9V 18575-1903 HDS2687B sep 1.9 P.A. 347.00 mag 12.2 Sp (k) virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18575-1903 : ALADIN DSS IMAGE @ 18h 57m 32.64s -19° 02' 46.9"
 
 
 
 
WDS 18575-1903 HDS 2687 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18575-1903 HDS2687 distance=1' 18562-1843 OCC 964 distance=28' 18594-1917 OCC 590 distance=30' 18597-1909 BRT1544 distance=31' 19000-1918 OCC 346 distance=39' 18598-1927 DYL 25AB distance=40' 18598-1927 DYL 25BC distance=40' 18598-1927 DYL 25BD distance=40' 18596-1934 DYL 22 distance=44' 19004-1923 DYL 26AB distance=46' 19004-1923 DYL 26AC distance=46' 19013-1856 ARA 766 distance=54' 19008-1934 DYL 27 distance=56' 19015-1913 DYL 28 distance=57' 18596-1952 DYL 23AB distance=58' 18596-1952 DYL 23AC distance=58' 18547-1946 OL 80 distance=58' 19016-1912 DYL 48 distance=58' 19016-1913 DYL 30 distance=59' 19016-1841 DYL 29AB distance=62' 19016-1841 DYL 29BC distance=62' 18536-1941 RST3203 distance=68' 18531-1838 HO 569AB distance=68' 18531-1838 OCC9186Aa,Ab distance=68' 19020-1926 GWP2803BC distance=69' 18526-1909 ARA 764 distance=71' 19019-1818 MRA 26 distance=77' 19029-1918 DYL 34 distance=78' 18546-2010 ARA1163 distance=78' 19031-1906 OCC 408 distance=80' 19031-1915 HJ 5082AB distance=80' 19031-1915 HJ 5082AD distance=80' 19031-1915 HJ 5082AC distance=80' 19031-1915 HJ 5082BC distance=80' 19019-1954 DYL 32 distance=81' 19029-1836 DYL 35AB distance=82' 19029-1836 DYL 35AC distance=82' 19031-1928 A 2264AB distance=83' 19031-1928 A 2264AC distance=83' 19017-2001 DYL 31 distance=83' 19022-1953 DYL 33 distance=83' 18582-2025 HO 271 distance=84' 18548-2024 J 1753AB distance=90' 18548-2024 J 1753AC distance=90' 18553-1738 HJ 2844 distance=91' 18559-1735 HJ 2845 distance=92' 19040-1907 DYL 37BC distance=92' 19040-1907 DYL 37AB distance=92' 19040-1900 DYL 38 distance=92' 19040-1911 DYL 39AB distance=92' 19040-1911 DYL 39BC distance=93' 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 18575-1903 HDS2687 346 1.9 1
Show 18562-1843 OCC 964 -1 0.0 28
Show 18594-1917 OCC 590 -1 0.1 30
Show 18597-1909 BRT1544 322 2.3 31
Show 19000-1918 OCC 346 -1 1.0 39
Show 18598-1927 DYL 25 AB 166 7.3 40
Show 18598-1927 DYL 25 BC 197 4.6 40
Show 18598-1927 DYL 25 BD 268 5.8 40
Show 18596-1934 DYL 22 296 9.0 44
Show 19004-1923 DYL 26 AB 334 5.7 46
Show 19004-1923 DYL 26 AC 296 9.5 46
Show 19013-1856 ARA 766 81 7.1 54
Show 19008-1934 DYL 27 202 9.0 56
Show 19015-1913 DYL 28 321 14.7 57
Show 18596-1952 DYL 23 AB 321 2.8 58
Show 18596-1952 DYL 23 AC 124 4.5 58
Show 18547-1946 OL 80 141 3.5 58
Show 19016-1912 DYL 48 119 11.9 58
Show 19016-1913 DYL 30 8 5.8 59
Show 19016-1841 DYL 29 AB 71 10.9 62
Show 19016-1841 DYL 29 BC 135 5.9 62
Show 18536-1941 RST3203 330 0.6 68
Show 18531-1838 HO 569 AB 38 15.6 68
Show 18531-1838 OCC9186 Aa,Ab -1 -1.0 68
Show 19020-1926 GWP2803 BC 258 66.7 69
Show 18526-1909 ARA 764 221 10.8 71
Show 19019-1818 MRA 26 298 0.0 77
Show 19029-1918 DYL 34 67 9.8 78
Show 18546-2010 ARA1163 231 15.2 78
Show 19031-1906 OCC 408 -1 0.1 80
Show 19031-1915 HJ 5082 AB 89 7.7 80
Show 19031-1915 HJ 5082 AD 262 25.9 80
Show 19031-1915 HJ 5082 AC 112 20.2 80
Show 19031-1915 HJ 5082 BC 126 13.5 80
Show 19019-1954 DYL 32 150 7.0 81
Show 19029-1836 DYL 35 AB 290 6.6 82
Show 19029-1836 DYL 35 AC 41 6.5 82
Show 19031-1928 A 2264 AB 87 3.6 83
Show 19031-1928 A 2264 AC 28 14.4 83
Show 19017-2001 DYL 31 267 17.7 83
Show 19022-1953 DYL 33 139 8.2 83
Show 18582-2025 HO 271 327 17.4 84
Show 18548-2024 J 1753 AB 277 8.2 90
Show 18548-2024 J 1753 AC 56 11.3 90
Show 18553-1738 HJ 2844 105 23.7 91
Show 18559-1735 HJ 2845 6 3.9 92
Show 19040-1907 DYL 37 BC 220 3.9 92
Show 19040-1907 DYL 37 AB 237 11.4 92
Show 19040-1900 DYL 38 138 4.2 92
Show 19040-1911 DYL 39 AB 24 7.7 92
Show 19040-1911 DYL 39 BC 320 4.2 93

 
 
WDS 18575-1903 : COMPONENTS
 
 
  A
B pa=347.0°
sep=1.90"
 
 
18575-1903 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 185732.64-190246.9 Mag 11.21 Spectral class K9V (yellow-orange)
PmRA 91.00 PmDE 114.0 HIP 93072 Tycho2 6290-00679-3
Tycho2
Tycho2 6290-00679-3 Pflag RAmdeg 284.38600193 DEmdeg -19.04635067
PmRA 91.0 PmDE 113.7 E RAmdeg 71 E DEmdeg 97
E pmRA 2.8 E pmDE 3.1 EpRAm 1981.58 EpDEm 1974.27
Num 4 Q RAmdeg 2.3 Q DEmdeg 1.1 Q pmRA 2.3
Q pmDE 1.1 BTmag 12.965 E BTmag 0.362 VTmag 11.214
E VTmag 0.119 Prox 18 TYC HIP 93072
CCDM A RAdeg 284.38578306 DEdeg -19.04661333 EpRA 1990 1.81
EpDE 1990 1.70 E RAdeg 76.1 E DEdeg 111.4 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 93072 Proxy H RAhms 18 57 32.59
DEdms -19 02 47.9 Vmag 10.67 VarFlag R Vmag G
RAdeg 284.386 DEdeg -19.0466 AstroRef A Plx 41.56
CCDM 18575-1903 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual D M HIP AB
Theta 357 Rho 1.785 HD BD
CD CP Dm number VIred 1.77
SpType R SpType Coord arcsec 2000 185732.59-190247.9
Hipparcos 2
HIP 93072 Sn 15 So 3 Nc 2
RArad 4.9634684028 DErad -0.3324265062 Plx 41.98 PmRA 97.55
PmDE 116.91 E RArad 2.71 E DErad 1.91 E Plx 2.97
E pmRA 3.48 E pmDE 2.46 Hpmag 10.7367 E Hpmag 0.0043
SHp 0.033 VA 0 BV 1.437 E BV 0.004
VI 1.77
CCDM
Ccdm 18575-1903 RComp Comp A Note1
Note2 Discov num DRAs 2.65 DDEs 13.1
R dRAs 82 Year Theta Rho
Obs 2 Vmag 11.1 Sp PmNote *
PmRA 98 PmDE 115 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 93072
 
 
18575-1903 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185732.61-190245.0 Mag 12.2 Spectral class (k)
PmRA 98.00 PmDE 115.0 Calc delta mag 0.99 Calc coord yes
CCDM
Ccdm 18575-1903 RComp Comp B Note1
Note2 Discov num HDS DRAs 2.65 DDEs 14.9
R dRAs 82 Year 1991 Theta 357 Rho 1.8
Obs 1 Vmag 12.2 Sp PmNote *
PmRA 98 PmDE 115 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 93072