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Doubles in session


Current system
18011-2048
HLD 140


Nearby doubles
27' : 18000-2027
DON 876

31' : 17599-2023
TDT 619

49' : 17585-2016
DON 875

51' : 18011-1958
I 620

56' : 17575-2113
BRT1511

56' : 18011-1952
A 2387AB

61' : 17568-2036
J 1617AB

65' : 18055-2109
RST5100

66' : 17567-2026
DON 871

67' : 18012-1942
B 2849

71' : 18061-2057
ARA1133

73' : 17575-1957
A 2255

73' : 17577-2143
HDS2530

74' : 17576-1953
OCC1021

75' : 18033-2156
TDT 656

80' : 18054-2140
TOK 365

82' : 18018-2208
ARA1837

82' : 18062-2012
J 1618

82' : 18059-2134
ARA1507

85' : 17576-2158
ARA1506

85' : 17552-2035
DON 869

86' : 18004-1923
OCC 526

86' : 18068-2021
DON 882

88' : 18046-1936
HJ 2817

88' : 18071-2115
ARA1512

89' : 18070-2121
ARA1510



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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18011-2048 HLD 140

 
 
18h 01m 05.57s -20° 48' 09.8" P.A. 265.00 sep 2.3 mag 8.58,9.72 Sp F8+A2
 
 
Coord 2000 18011-2048 Discov num HLD 140 Comp Coord arcsec 2000 18 01 05.57 -20 48 09.8
Date first 1882 Date last 1991 Obs 11
Pa first 260 Pa last 265.1 P.A. Now (θ) 265.1°
Sep first 2.5 Sep last 2.303 Sep. Now (ρ) 2.303"
Mag pri 8.58 Mag sec 9.72 delta mag (ΔM) 1.14 Spectral class F8+A2 (yellow-white/white)
Pri motion ra +017 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6263-00011-1 Gaia DR2 4070922049314925568
 
 
WDS 18011-2048 HLD 140 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hld1874 Ma - Holden, E.S. .
Hld1874 Washington Observations, 1874
Hld1875 Ma - Holden, E.S. .
Hld1875 Washington Observations, 1875
Hld1875b Ma j Holden, E.S. & Newcomb, S. 1875AN.....86..321H
Hld1875b AN 86, 321, 1875
Hld1875c Ma j Holden, E.S. 1875AN.....86..321H
Hld1875c AN 86, 321, 1875
Hld1876 Ma - Holden, E.S. .
Hld1876 Washington Observations, 1876
Hld1876b Ma j Holden, E.S. 1876AN.....88..131H
Hld1876b AN 88, 131, 1876
Hld1877 Ma - Holden, E.S. 1877AN.....90..161H
Hld1877 AN 90, 161, 1877
Hld1877b Ma j Holden, E.S. 1877AN.....90..161H
Hld1877b AN 90, 161, 1877
Hld1878 Ma - Holden, E.S. .
Hld1878 Washington Observations, 1878
Hld1878b Ma j Holden, E.S. 1878AN.....93...65H
Hld1878b AN 93, 65, 1878 (data also in Hld1878)
Hld1879 Ma - Holden, E.S. .
Hld1879 Washington Observations, 1879
Hld1879b Ma j Holden, E.S. 1879AN.....95..329H
Hld1879b AN 95, 329, 1879 (data also in Hld1879)
Hld1880 Ma - Holden, E.S. .
Hld1880 Washington Observations, 1880
Hld1880b Ma j Holden, E.S. 1880AN.....97..319H
Hld1880b AN 97, 319, 1880 (data also in Hld1880)
Hld1881 Ma - Holden, E.S. .
Hld1881 Washington Observations, 1881
Hld1881b Ma j Holden, E.S. 1881MNRAS..41..416.
Hld1881b MNRAS 41, 416, 1881
Hld1882 Ma - Holden, E.S. 1882PWasO...1...77H
Hld1882 Pub. Washburn Obs. 1, 77, 1882 (see Pub. Lick Obs. 2, 1894) 1894PLicO...2.....B
Hld1884 Ma - Holden, E.S. 1884PWasO...2...97H
Hld1884 Pub. Washburn Obs. 2, 97, 1884
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18011-2048 HLD 140 1991 11 265 2.3 8.58 9.72 F8+A2 180105.57-204809.8

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

 
 
WDS 18011-2048 HLD 140 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18011-2048 HLD 140 : MEASURES
 
 
No records found.

 
 
WDS 18011-2048 : VIRTUAL EYEPIECE
 
 

18011-2048 HLD 140A mag 8.58 Sp F8 18011-2048 HLD 140B sep 2.1 P.A. 264.80 mag 9.72 Sp A2 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18011-2048 : ALADIN DSS IMAGE @ 18h 01m 05.57s -20° 48' 09.8"
 
 
 
 
WDS 18011-2048 HLD 140 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18011-2048 HLD 140 distance=0' 18000-2027 DON 876 distance=27' 17599-2023 TDT 619 distance=31' 17585-2016 DON 875 distance=49' 18011-1958 I 620 distance=51' 17575-2113 BRT1511 distance=56' 18011-1952 A 2387AB distance=56' 18011-1952 I 9027AC distance=56' 17568-2036 J 1617AB distance=61' 17568-2036 J 1617AC distance=61' 18055-2109 RST5100 distance=65' 17567-2026 DON 871 distance=66' 18012-1942 B 2849 distance=67' 18061-2057 ARA1133 distance=71' 17575-1957 A 2255 distance=73' 17577-2143 HDS2530 distance=73' 17576-1953 OCC1021 distance=74' 18033-2156 TDT 656 distance=75' 18054-2140 TOK 365 distance=80' 18018-2208 ARA1837 distance=82' 18062-2012 J 1618 distance=82' 18059-2134 ARA1507 distance=82' 17576-2158 ARA1506 distance=85' 17552-2035 DON 869 distance=85' 18004-1923 OCC 526 distance=86' 18068-2021 DON 882 distance=86' 18046-1936 HJ 2817 distance=88' 18071-2115 ARA1512 distance=88' 18070-2121 ARA1510 distance=89' 18057-2149 VVV 52 distance=89' 18062-2143 ARA1508 distance=91' 18063-1955 OCC9174 distance=91' 18015-2221 ARA1836 distance=94' 17591-2218 ARA1833 distance=94' 17577-1927 OCC 525 distance=94' 18070-2005 ARA1134 distance=95' 18033-1919 BRT1512 distance=95' 18025-1916 BHA 22 distance=95' 18003-2224 TDT 627 distance=97' 17574-1925 SKF 933 distance=98' 17579-1921 RST5097 distance=98' 18069-2144 ARA1509 distance=99' 18063-1941 J 1619 distance=100' 18079-2119 RST5101 distance=101' 17582-1916 CHR 66 distance=101' 17552-2149 ARA1504 distance=102' 17594-2228 SNA 76AB distance=103' 17594-2228 SNA 76AC distance=103' 17594-2228 SNA 76AD distance=103' 17594-2228 SNA 76AE distance=103' 18039-1913 B 2431 distance=103' 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 18011-2048 HLD 140 265 2.3
Show 18000-2027 DON 876 15 1.2 27
Show 17599-2023 TDT 619 198 1.5 31
Show 17585-2016 DON 875 325 6.0 49
Show 18011-1958 I 620 64 19.4 51
Show 17575-2113 BRT1511 216 3.7 56
Show 18011-1952 A 2387 AB 44 1.0 56
Show 18011-1952 I 9027 AC 301 33.3 56
Show 17568-2036 J 1617 AB 104 8.3 61
Show 17568-2036 J 1617 AC 248 10.6 61
Show 18055-2109 RST5100 283 0.7 65
Show 17567-2026 DON 871 310 5.4 66
Show 18012-1942 B 2849 351 12.5 67
Show 18061-2057 ARA1133 325 15.2 71
Show 17575-1957 A 2255 302 1.3 73
Show 17577-2143 HDS2530 179 0.6 73
Show 17576-1953 OCC1021 -1 0.0 74
Show 18033-2156 TDT 656 268 1.0 75
Show 18054-2140 TOK 365 293 6.6 80
Show 18018-2208 ARA1837 289 12.8 82
Show 18062-2012 J 1618 359 8.9 82
Show 18059-2134 ARA1507 213 6.6 82
Show 17576-2158 ARA1506 17 13.5 85
Show 17552-2035 DON 869 127 0.6 85
Show 18004-1923 OCC 526 -1 0.4 86
Show 18068-2021 DON 882 119 1.8 86
Show 18046-1936 HJ 2817 275 13.4 88
Show 18071-2115 ARA1512 281 14.9 88
Show 18070-2121 ARA1510 266 14.4 89
Show 18057-2149 VVV 52 46 8.7 89
Show 18062-2143 ARA1508 277 9.4 91
Show 18063-1955 OCC9174 -1 0.0 91
Show 18015-2221 ARA1836 20 8.4 94
Show 17591-2218 ARA1833 99 14.1 94
Show 17577-1927 OCC 525 -1 0.3 94
Show 18070-2005 ARA1134 280 11.7 95
Show 18033-1919 BRT1512 34 3.8 95
Show 18025-1916 BHA 22 63 3.8 95
Show 18003-2224 TDT 627 278 0.6 97
Show 17574-1925 SKF 933 161 3.8 98
Show 17579-1921 RST5097 183 0.9 98
Show 18069-2144 ARA1509 344 15.1 99
Show 18063-1941 J 1619 188 6.8 100
Show 18079-2119 RST5101 191 0.7 101
Show 17582-1916 CHR 66 111 0.4 101
Show 17552-2149 ARA1504 163 9.4 102
Show 17594-2228 SNA 76 AB 92 2.0 103
Show 17594-2228 SNA 76 AC 265 2.5 103
Show 17594-2228 SNA 76 AD 84 6.5 103
Show 17594-2228 SNA 76 AE 63 6.5 103
Show 18039-1913 B 2431 285 9.7 103

 
 
WDS 18011-2048 : COMPONENTS
 
 
  A
B pa=264.8°
sep=2.15"
 
 
18011-2048 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 180105.57-204809.8 Mag 8.58 Spectral class F8 (yellow-white)
PmRA 17.00 PmDE -3.0 Tycho2 6263-00011-1
Tycho2
Tycho2 6263-00011-1 Pflag RAmdeg 270.27322914 DEmdeg -20.80272734
PmRA 17.1 PmDE -2.5 E RAmdeg 9 E DEmdeg 12
E pmRA 1.5 E pmDE 1.6 EpRAm 1990.74 EpDEm 1990.00
Num 6 Q RAmdeg 2.4 Q DEmdeg 1.2 Q pmRA 2.5
Q pmDE 1.2 BTmag 10.587 E BTmag 0.042 VTmag 8.576
E VTmag 0.014 Prox 23 TYC T HIP
CCDM RAdeg 270.27318806 DEdeg -20.80272139 EpRA 1990 1.85
EpDE 1990 1.84 E RAdeg 9.0 E DEdeg 11.8 Posflg D
Corr -0.1
CCDM
Ccdm 18011-2048 RComp Comp A Note1
Note2 Discov num DRAs -0.53 DDEs -10.0
R dRAs 40 Year Theta Rho
Obs 2 Vmag 8.8 Sp F8 PmNote
PmRA PmDE Dm number -20 4945 Cat1 BD
Name2 Cat2 HD 164240 M HD
ADS BDS A10970 M ADS BDS N IDS IDS 17551S2048A
HIC
 
 
18011-2048 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180105.42-204810.0 Mag 9.72 Spectral class A2 (white)
Calc delta mag 1.14 Calc coord yes
CCDM
Ccdm 18011-2048 RComp Comp B Note1
Note2 Discov num HLD 140 DRAs DDEs
R dRAs Year 1888 Theta 264 Rho 2.2
Obs 7 Vmag 10.1 Sp A2 PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD 164241 M HD
ADS BDS A10970 M ADS BDS N N IDS IDS 17551S2048B
HIC