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Doubles in session


Current system
18034-2237
ARA 1839
HD 164717


Nearby doubles
7' : 18030-2233
ARA1838AB

9' : 18030-2243
RSS 468

12' : 18039-2247
ARA1840

13' : 18041-2230
ARA1841

13' : 18043-2239
LYS 32

14' : 18042-2230
S 698AB

14' : 18042-2231
ARA1843

16' : 18039-2250
B 2430

17' : 18030-2252
TDS 898

24' : 18019-2247
BU 283AB

29' : 18024-2302
H N 40AB

31' : 18015-2221
ARA1836

31' : 18027-2306
RST3151

35' : 18060-2238
BRT1513

36' : 18018-2208
ARA1837

37' : 18011-2252
ARA1835

37' : 18054-2300
LYS 33AB

41' : 18033-2156
TDT 656

41' : 18004-2235
DON 877

42' : 18058-2212
ARA1844

44' : 18055-2312
ARA2211

45' : 18022-2318
B 2851

46' : 18003-2224
TDT 627

47' : 18051-2317
B 375

47' : 18004-2258
ARA1834

48' : 18068-2228
LYS 34



Selections
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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.

18034-2237 ARA 1839 (HD 164717)

 
 
18h 03m 24.89s -22° 37' 01.3" P.A. 42.00 sep 12.4 mag 8.18,12.00 Sp B3nn
 
 
Coord 2000 18034-2237 Discov num ARA1839 Comp Coord arcsec 2000 18 03 24.89 -22 37 01.3
Date first 1921 Date last 2020 Obs 7
Pa first 42 Pa last 42.4 P.A. Now (θ) 42.4°
Sep first 11.7 Sep last 12.4 Sep. Now (ρ) 12.4"
Mag pri 8.18 Mag sec 12.00 delta mag (ΔM) 3.82 Spectral class B3nn (blue-white)
Pri motion ra +003 Sec motion ra +010
Pri motion dec -002 Sec motion dec +008
Notes
rPM=0.953
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 164717 Constellation Sagittarius SAO 186185 Tycho2 6842-00181-1
Gaia DR2 4069660149242458752 HD 164717 DM CD-2212481
 
 
WDS 18034-2237 ARA 1839 (HD 164717) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ara1961 Pa - Aravamudan, S. 1961PASP...73..266A
Ara1961 PASP 73, 266, 1961
Ara1963 Pa - Aravamudan, S. .
Ara1963 Pub. Nizamiah Obs. 13, Pt.3, 1963
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18034-2237 ARA1839 1999 4 43 12.7 8.18 12.00 B3nn D 180324.89-223701.3
18034-2237 ARA1839 2015 6 42 12.8 8.18 12.00 B3nn 180324.89-223701.3
18034-2237 ARA1839 2020 7 42 12.4 8.18 12.00 B3nn 180324.89-223701.3

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

 
 
WDS 18034-2237 ARA 1839 (HD 164717) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18034-2237 ARA 1839 (HD 164717) : MEASURES
 
 
No records found.

 
 
WDS 18034-2237 (HD 164717) : VIRTUAL EYEPIECE
 
 

18034-2237 ARA1839A mag 8.18 Sp B3nn 18034-2237 ARA1839B sep 12.0 P.A. 40.10 mag 12 virtual eyepiece
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Radius:
Components only
 
 
WDS 18034-2237 (HD 164717) : ALADIN DSS IMAGE @ 18h 03m 24.89s -22° 37' 01.3"
 
 
 
 
WDS 18034-2237 ARA 1839 (HD 164717) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18034-2237 ARA1839 distance=1' 18030-2233 ARA1838BC distance=7' 18030-2233 ARA1838AB distance=7' 18030-2233 ABH 93AD distance=7' 18030-2233 ABH 93AE distance=7' 18030-2233 ABH 93AF distance=7' 18030-2233 ABH 93AG distance=7' 18030-2233 ABH 93AH distance=7' 18030-2233 ABH 93AI distance=7' 18030-2233 ABH 93AJ distance=7' 18030-2243 RSS 468 distance=9' 18039-2247 ARA1840 distance=12' 18041-2230 ARA1841 distance=13' 18043-2239 LYS 32 distance=13' 18042-2230 B 1875BC distance=13' 18042-2230 S 698AB distance=14' 18042-2230 WFC 289AD distance=14' 18042-2230 ARA1842DE distance=14' 18042-2231 ARA1843 distance=14' 18039-2250 B 2430 distance=16' 18030-2252 TDS 898 distance=17' 18019-2247 BU 283AB distance=24' 18019-2247 BU 283AC distance=24' 18019-2247 FOX9030AD distance=24' 18024-2302 H N 40AB distance=29' 18024-2302 H N 6AC distance=29' 18024-2302 TRN 26AH distance=29' 18024-2302 H N 6AE distance=29' 18024-2302 HLD 175AF distance=29' 18024-2302 H N 6AG distance=29' 18024-2302 SNA 77Aa,Ab distance=29' 18024-2302 SNA 77AI distance=29' 18024-2302 SNA 77AJ distance=29' 18024-2302 H N 6CD distance=29' 18024-2302 H N 6CE distance=29' 18024-2302 H N 6CF distance=29' 18024-2302 H N 6CG distance=29' 18015-2221 ARA1836 distance=31' 18027-2306 RST3151 distance=31' 18060-2238 BRT1513 distance=35' 18018-2208 ARA1837 distance=36' 18011-2252 ARA1835 distance=37' 18054-2300 LYS 33AB distance=37' 18054-2300 SNA 80AC distance=37' 18054-2300 SNA 80AD distance=37' 18054-2300 SNA 80AE distance=37' 18033-2156 TDT 656 distance=41' 18004-2235 DON 877 distance=41' 18058-2212 ARA1844 distance=42' 18055-2312 ARA2211 distance=44' 18022-2318 B 2851 distance=45' 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 18034-2237 ARA1839 42 12.4 1
Show 18030-2233 ARA1838 BC 121 8.6 7
Show 18030-2233 ARA1838 AB 138 8.3 7
Show 18030-2233 ABH 93 AD 354 34.1 7
Show 18030-2233 ABH 93 AE 159 40.7 7
Show 18030-2233 ABH 93 AF 186 66.0 7
Show 18030-2233 ABH 93 AG 222 24.9 7
Show 18030-2233 ABH 93 AH 255 28.4 7
Show 18030-2233 ABH 93 AI 234 73.3 7
Show 18030-2233 ABH 93 AJ 284 104.1 7
Show 18030-2243 RSS 468 288 11.4 9
Show 18039-2247 ARA1840 267 8.0 12
Show 18041-2230 ARA1841 33 7.5 13
Show 18043-2239 LYS 32 12 23.9 13
Show 18042-2230 B 1875 BC 236 0.5 13
Show 18042-2230 S 698 AB 316 29.7 14
Show 18042-2230 WFC 289 AD 13 39.2 14
Show 18042-2230 ARA1842 DE 110 12.6 14
Show 18042-2231 ARA1843 338 11.3 14
Show 18039-2250 B 2430 7 8.8 16
Show 18030-2252 TDS 898 116 2.0 17
Show 18019-2247 BU 283 AB 238 8.3 24
Show 18019-2247 BU 283 AC 33 13.6 24
Show 18019-2247 FOX9030 AD 265 24.5 24
Show 18024-2302 H N 40 AB 20 6.2 29
Show 18024-2302 H N 6 AC 212 10.7 29
Show 18024-2302 TRN 26 AH 345 1.5 29
Show 18024-2302 H N 6 AE 205 16.2 29
Show 18024-2302 HLD 175 AF 108 22.1 29
Show 18024-2302 H N 6 AG 212 40.7 29
Show 18024-2302 SNA 77 Aa,Ab 248 0.0 29
Show 18024-2302 SNA 77 AI 43 3.1 29
Show 18024-2302 SNA 77 AJ 165 6.5 29
Show 18024-2302 H N 6 CD 280 2.4 29
Show 18024-2302 H N 6 CE 191 6.0 29
Show 18024-2302 H N 6 CF 85 26.8 29
Show 18024-2302 H N 6 CG 212 30.0 29
Show 18015-2221 ARA1836 20 8.4 31
Show 18027-2306 RST3151 32 1.3 31
Show 18060-2238 BRT1513 56 4.4 35
Show 18018-2208 ARA1837 289 12.8 36
Show 18011-2252 ARA1835 304 9.8 37
Show 18054-2300 LYS 33 AB 289 35.2 37
Show 18054-2300 SNA 80 AC 21 5.6 37
Show 18054-2300 SNA 80 AD 186 5.6 37
Show 18054-2300 SNA 80 AE 184 7.8 37
Show 18033-2156 TDT 656 268 1.0 41
Show 18004-2235 DON 877 96 2.7 41
Show 18058-2212 ARA1844 137 13.0 42
Show 18055-2312 ARA2211 89 10.8 44
Show 18022-2318 B 2851 156 10.5 45

 
 
WDS 18034-2237 : COMPONENTS
 
 
  A
B pa=40.1°
sep=11.98"
 
 
18034-2237 A
 
 
Componente originario normalizzato AB Name HD 164717 Coord arcsec 2000 180324.89-223701.3 Mag 8.18
Spectral class B3nn (blue-white) PmRA 3.00 PmDE -2.0 SAO 186185
Tycho2 6842-00181-1 HD 164717 DM CD-2212481
Tycho2
Tycho2 6842-00181-1 Pflag RAmdeg 270.85373216 DEmdeg -22.61705356
PmRA 2.6 PmDE -2.8 E RAmdeg 6 E DEmdeg 7
E pmRA 1.7 E pmDE 1.6 EpRAm 1991.48 EpDEm 1991.24
Num 9 Q RAmdeg 1.2 Q DEmdeg 0.9 Q pmRA 1.2
Q pmDE 0.9 BTmag 8.138 E BTmag 0.017 VTmag 8.182
E VTmag 0.014 Prox 999 TYC T HIP
CCDM RAdeg 270.85372583 DEdeg -22.61704722 EpRA 1990 1.89
EpDE 1990 1.88 E RAdeg 5.5 E DEdeg 7.1 Posflg
Corr 0.0
SAO
SAO 186185 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 0.041 Vmag 8.5 SpType B3
Double code Source 25 CatNum 12396 DM CD-2212481
DMcomp BDsup HD 164717 M HD 0
GC RA1950rad 4.71408072 DE1950rad -0.39477715 PmRA2000 -0.0004
PmDE2000 0.042
CCDM
Ccdm 18034-2237 RComp Comp A Note1
Note2 Discov num DRAs 0.97 DDEs 0.0
R dRAs 43 Year Theta Rho
Obs 2 Vmag 8.1 Sp B3 PmNote *
PmRA -6 PmDE 41 Dm number -22 4522 Cat1 BD
Name2 Cat2 HD 164717 M HD
ADS BDS M ADS BDS N IDS IDS 17574S2236A
HIC
 
 
18034-2237 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180325.45-223652.1 Mag 12 PmRA 10.00
PmDE 8.0 Calc delta mag 3.82 Calc coord yes
CCDM
Ccdm 18034-2237 RComp Comp B Note1
Note2 Discov num ARA1839 DRAs 1.59 DDEs 9.4
R dRAs 43 Year 1922 Theta 44 Rho 11.7
Obs 2 Vmag 11.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17574S2236B
HIC