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Doubles in session


Current system
18092-2247
HO 427
HD 165894


Nearby doubles
8' : 18093-2255
VVV 3

17' : 18103-2254
ARA1848

25' : 18091-2222
ARA1847

28' : 18074-2240
J 3203

28' : 18096-2220
DON 883

30' : 18105-2223
BRT1516

33' : 18090-2319
RST5103

34' : 18082-2216
BU 243AB

36' : 18092-2211
RST3157

38' : 18076-2316
OCC 646

38' : 18071-2224
LYS 35AB

40' : 18068-2228
LYS 34

40' : 18092-2326
B 380

40' : 18077-2321
OCC 647

42' : 18083-2326
B 378

44' : 18098-2203
RST3158

47' : 18060-2238
BRT1513

48' : 18075-2206
LYS 36

49' : 18127-2239
ARA1854

49' : 18120-2217
ARA1852

50' : 18116-2209
BRT1517

51' : 18100-2157
BRT1515

52' : 18114-2205
ARA1850

54' : 18098-2339
TDT 716

55' : 18054-2300
LYS 33AB

56' : 18068-2203
J 2907



Selections
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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.

18092-2247 HO 427 (HD 165894)

 
 
18h 09m 14.43s -22° 46' 37.7" P.A. 71.00 sep 10.9 mag 8.71,12.40 Sp B3IV/V
 
 
Coord 2000 18092-2247 Discov num HO  427 Comp Coord arcsec 2000 18 09 14.43 -22 46 37.7
Date first 1890 Date last 2015 Obs 6
Pa first 67 Pa last 70.5 P.A. Now (θ) 70.5°
Sep first 11.3 Sep last 10.901 Sep. Now (ρ) 10.901"
Mag pri 8.71 Mag sec 12.40 delta mag (ΔM) 3.69 Spectral class B3IV/V (blue-white)
Pri motion ra +002 Sec motion ra -002
Pri motion dec -002 Sec motion dec +064
Notes
rPM=1.033
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 165894 Constellation Sagittarius SAO 186365 Tycho2 6843-02324-1
Gaia DR2 4066697931845404544 HD 165894 ADS 11095
 
 
WDS 18092-2247 HO 427 (HD 165894) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18092-2247 HO 427 1999 4 70 10.9 8.71 12.40 B3IV/V D 180914.43-224637.7
18092-2247 HO 427 2015 6 71 10.9 8.71 12.40 B3IV/V 180914.43-224637.7

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

 
 
WDS 18092-2247 HO 427 (HD 165894) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18092-2247 HO 427 (HD 165894) : MEASURES
 
 
No records found.

 
 
WDS 18092-2247 (HD 165894) : VIRTUAL EYEPIECE
 
 

18092-2247 HO 427A mag 8.71 Sp B3IV/V 18092-2247 HO 427B sep 10.2 P.A. 69.00 mag 12.4 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18092-2247 (HD 165894) : ALADIN DSS IMAGE @ 18h 09m 14.43s -22° 46' 37.7"
 
 
 
 
WDS 18092-2247 HO 427 (HD 165894) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18092-2247 HO 427 distance=0' 18093-2255 VVV 3 distance=8' 18103-2254 ARA1848 distance=17' 18091-2222 ARA1847 distance=25' 18074-2240 J 3203 distance=28' 18096-2220 DON 883 distance=28' 18105-2223 BRT1516 distance=30' 18090-2319 RST5103 distance=33' 18082-2216 BU 243AB distance=34' 18082-2216 BU 243AB,C distance=34' 18092-2211 RST3157 distance=36' 18071-2224 TDT 690Ba,Bb distance=38' 18076-2316 OCC 646 distance=38' 18071-2224 LYS 35AB distance=38' 18068-2228 LYS 34 distance=40' 18092-2326 B 380 distance=40' 18077-2321 OCC 647 distance=40' 18083-2326 B 378 distance=42' 18098-2203 RST3158 distance=44' 18060-2238 BRT1513 distance=47' 18075-2206 LYS 36 distance=48' 18127-2239 ARA1854 distance=49' 18120-2217 ARA1852 distance=49' 18116-2209 BRT1517 distance=50' 18100-2157 BRT1515 distance=51' 18114-2205 ARA1850 distance=52' 18098-2339 TDT 716 distance=54' 18054-2300 LYS 33AB distance=55' 18054-2300 SNA 80AC distance=55' 18054-2300 SNA 80AD distance=55' 18054-2300 SNA 80AE distance=55' 18068-2203 J 2907 distance=56' 18130-2307 EVS 34AB distance=57' 18130-2307 EVS 34AC distance=57' 18130-2307 KRV 50AD distance=57' 18130-2307 KRV 50AE distance=57' 18119-2331 OCC1073 distance=58' 18055-2312 ARA2211 distance=59' 18058-2212 ARA1844 distance=59' 18132-2230 ARA1856 distance=59' 18134-2302 ARA2217AB distance=59' 18134-2302 ABH 97AD distance=59' 18134-2302 ABH 97AF distance=59' 18134-2302 ARA2217BC distance=59' 18134-2302 ABH 97BE distance=59' 18134-2302 ABH 97BF distance=59' 18061-2207 B 1877 distance=59' 18124-2207 ARA1853 distance=60' 18065-2200 J 2906 distance=60' 18130-2217 ARA1855 distance=60' 18101-2346 RST5104 distance=61' 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 18092-2247 HO 427 71 10.9
Show 18093-2255 VVV 3 170 42.6 8
Show 18103-2254 ARA1848 38 8.0 17
Show 18091-2222 ARA1847 170 11.5 25
Show 18074-2240 J 3203 92 3.8 28
Show 18096-2220 DON 883 31 0.6 28
Show 18105-2223 BRT1516 285 3.9 30
Show 18090-2319 RST5103 95 1.1 33
Show 18082-2216 BU 243 AB 126 0.7 34
Show 18082-2216 BU 243 AB,C 56 40.2 34
Show 18092-2211 RST3157 143 0.1 36
Show 18071-2224 TDT 690 Ba,Bb 68 0.5 38
Show 18076-2316 OCC 646 -1 0.1 38
Show 18071-2224 LYS 35 AB 80 18.6 38
Show 18068-2228 LYS 34 114 5.7 40
Show 18092-2326 B 380 241 8.0 40
Show 18077-2321 OCC 647 -1 0.1 40
Show 18083-2326 B 378 79 0.5 42
Show 18098-2203 RST3158 136 0.4 44
Show 18060-2238 BRT1513 56 4.4 47
Show 18075-2206 LYS 36 22 20.6 48
Show 18127-2239 ARA1854 282 12.7 49
Show 18120-2217 ARA1852 27 13.0 49
Show 18116-2209 BRT1517 207 3.9 50
Show 18100-2157 BRT1515 37 4.1 51
Show 18114-2205 ARA1850 287 8.4 52
Show 18098-2339 TDT 716 126 0.5 54
Show 18054-2300 LYS 33 AB 289 35.2 55
Show 18054-2300 SNA 80 AC 21 5.6 55
Show 18054-2300 SNA 80 AD 186 5.6 55
Show 18054-2300 SNA 80 AE 184 7.8 55
Show 18068-2203 J 2907 177 7.2 56
Show 18130-2307 EVS 34 AB 86 6.3 57
Show 18130-2307 EVS 34 AC 259 23.7 57
Show 18130-2307 KRV 50 AD 116 36.3 57
Show 18130-2307 KRV 50 AE 21 63.0 57
Show 18119-2331 OCC1073 -1 0.0 58
Show 18055-2312 ARA2211 89 10.8 59
Show 18058-2212 ARA1844 137 13.0 59
Show 18132-2230 ARA1856 125 11.1 59
Show 18134-2302 ARA2217 AB 37 12.6 59
Show 18134-2302 ABH 97 AD 277 49.6 59
Show 18134-2302 ABH 97 AF 189 20.4 59
Show 18134-2302 ARA2217 BC 125 12.7 59
Show 18134-2302 ABH 97 BE 67 32.1 59
Show 18134-2302 ABH 97 BF 200 32.1 59
Show 18061-2207 B 1877 230 0.5 59
Show 18124-2207 ARA1853 114 11.4 60
Show 18065-2200 J 2906 356 8.6 60
Show 18130-2217 ARA1855 120 10.4 60
Show 18101-2346 RST5104 156 0.3 61

 
 
WDS 18092-2247 : COMPONENTS
 
 
  A
B pa=69.0°
sep=10.15"
 
 
18092-2247 A
 
 
Componente originario normalizzato AB Name HD 165894 Coord arcsec 2000 180914.43-224637.7 Mag 8.71
Spectral class B3IV/V (blue-white) PmRA 2.00 PmDE -2.0 SAO 186365
Tycho2 6843-02324-1 HD 165894 ADS 11095 DM BD-22 4583
Tycho2
Tycho2 6843-02324-1 Pflag RAmdeg 272.31016186 DEmdeg -22.77715587
PmRA 1.8 PmDE -1.7 E RAmdeg 7 E DEmdeg 8
E pmRA 1.6 E pmDE 1.6 EpRAm 1991.18 EpDEm 1990.99
Num 8 Q RAmdeg 0.6 Q DEmdeg 1.8 Q pmRA 0.6
Q pmDE 1.8 BTmag 8.705 E BTmag 0.017 VTmag 8.706
E VTmag 0.015 Prox 999 TYC T HIP
CCDM RAdeg 272.31015694 DEdeg -22.77715222 EpRA 1990 1.78
EpDE 1990 1.79 E RAdeg 6.6 E DEdeg 8.1 Posflg
Corr -0.1
SAO
SAO 186365 DelFlag RA1950 PmRA1950 0.0002
DE1950 PmDE1950 0.007 Vmag 8.7 SpType B8
Double code Source 25 CatNum 12518 DM CD-2212616
DMcomp BDsup HD 165894 M HD 0
GC RA1950rad 4.73948458 DE1950rad -0.39770038 PmRA2000 0.0002
PmDE2000 0.008
CCDM
Ccdm 18092-2247 RComp Comp A Note1
Note2 Discov num DRAs 2.46 DDEs 22.4
R dRAs 41 Year Theta Rho
Obs 2 Vmag 8.9 Sp B8 PmNote *
PmRA 3 PmDE 7 Dm number -22 4583 Cat1 BD
Name2 186365 Cat2 SAO HD 165894 M HD
ADS BDS A11095 M ADS BDS N IDS IDS 18032S2248A
HIC
 
 
18092-2247 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180915.12-224634.1 Mag 12.4 PmRA -2.00
PmDE 64.0 Calc delta mag 3.69 Calc coord yes
CCDM
Ccdm 18092-2247 RComp Comp B Note1
Note2 Discov num HO 427 DRAs 3.21 DDEs 26.5
R dRAs 41 Year 1890 Theta 070 Rho 11.3
Obs 2 Vmag 12.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11095 M ADS BDS N IDS IDS 18032S2248B
HIC