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Current system
18090-2319
RST 5103


Nearby doubles
8' : 18092-2326
B 380

12' : 18083-2326
B 378

18' : 18077-2321
OCC 647

21' : 18076-2316
OCC 646

24' : 18098-2339
TDT 716

25' : 18093-2255
VVV 3

31' : 18103-2254
ARA1848

32' : 18101-2346
RST5104

33' : 18092-2247
HO 427

38' : 18097-2355
TDT 715

43' : 18119-2331
OCC1073

44' : 18117-2342
HJ 5030

45' : 18074-2240
J 3203

48' : 18056-2328
ARA2212

49' : 18055-2326
SKF2529AB

50' : 18099-2406
BAR 9AB

51' : 18055-2312
ARA2211

52' : 18119-2351
B 382

53' : 18054-2300
LYS 33AB

54' : 18051-2317
B 375

56' : 18054-2343
TDT 672

57' : 18049-2326
ARA2210

57' : 18130-2307
EVS 34AB

58' : 18091-2222
ARA1847

58' : 18117-2404
B 2858

59' : 18132-2329
DON 887



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

18090-2319 RST 5103

 
 
18h 09m 00.52s -23° 19' 02.2" P.A. 95.00 sep 1.1 mag 10.26,13.60 Sp B2III
 
 
Coord 2000 18090-2319 Discov num RST5103 Comp Coord arcsec 2000 18 09 00.52 -23 19 02.2
Date first 1943 Date last 1949 Obs 2
Pa first 92 Pa last 95.1 P.A. Now (θ) 95.1°
Sep first 1.1 Sep last 1.06 Sep. Now (ρ) 1.06"
Mag pri 10.26 Mag sec 13.60 delta mag (ΔM) 3.34 Spectral class B2III (blue-white)
Pri motion ra -003 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6843-02328-1 Gaia DR2 4066526919057771520 HD 165858
 
 
WDS 18090-2319 RST 5103 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rst1933 T - Rossiter, R.A. 1933MmRAS..65...27R
Rst1933 MemRAS 65, 27, 1933
Rst1937 Ma - Rossiter, R.A. 1937MmRAS..65...51R
Rst1937 MemRAS 65, 51, 1937
Rst1943 Ma - Rossiter, R.A. 1943POMic...8..133R
Rst1943 Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944 - Rossiter, R.A. 1944POMic...9....1R
Rst1944 Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947 Ma - Rossiter, R.A. 1947POMic...9....7R
Rst1947 Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955 Ma j Rossiter, R.A. 1955POMic..11....1R
Rst1955 +P+ Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964 Ma - Rossiter, R.A. 1964POMic...9...73R
Rst1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18090-2319 RST5103 1949 2 95 1.1 10.26 13.60 B2III 180900.52-231902.2

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

 
 
WDS 18090-2319 RST 5103 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18090-2319 RST 5103 : MEASURES
 
 
No records found.

 
 
WDS 18090-2319 : VIRTUAL EYEPIECE
 
 

18090-2319 RST5103A mag 10.26 Sp B2III 18090-2319 RST5103B sep 1.0 P.A. 95.60 mag 13.6 virtual eyepiece
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Radius:
Components only
 
 
WDS 18090-2319 : ALADIN DSS IMAGE @ 18h 09m 00.52s -23° 19' 02.2"
 
 
 
 
WDS 18090-2319 RST 5103 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18090-2319 RST5103 distance=1' 18092-2326 B 380 distance=8' 18083-2326 B 378 distance=12' 18077-2321 OCC 647 distance=18' 18076-2316 OCC 646 distance=21' 18098-2339 TDT 716 distance=24' 18093-2255 VVV 3 distance=25' 18103-2254 ARA1848 distance=31' 18101-2346 RST5104 distance=32' 18092-2247 HO 427 distance=33' 18097-2355 TDT 715 distance=38' 18119-2331 OCC1073 distance=43' 18117-2342 HJ 5030 distance=44' 18074-2240 J 3203 distance=45' 18056-2328 ARA2212 distance=48' 18055-2326 SKF2529BC distance=49' 18055-2326 SKF2529AB distance=49' 18055-2326 SKF2529AC distance=49' 18099-2406 BAR 9AB distance=50' 18099-2406 HJ 5026AC distance=50' 18055-2312 ARA2211 distance=51' 18119-2351 B 382 distance=52' 18054-2300 LYS 33AB distance=53' 18054-2300 SNA 80AC distance=53' 18054-2300 SNA 80AD distance=53' 18054-2300 SNA 80AE distance=53' 18051-2317 B 375 distance=54' 18054-2343 TDT 672 distance=56' 18049-2326 ARA2210 distance=57' 18130-2307 EVS 34AB distance=57' 18130-2307 EVS 34AC distance=57' 18130-2307 KRV 50AD distance=57' 18130-2307 KRV 50AE distance=57' 18091-2222 ARA1847 distance=58' 18117-2404 B 2858 distance=58' 18132-2329 DON 887 distance=59' 18056-2356 ARA2213 distance=59' 18060-2238 BRT1513 distance=60' 18096-2220 DON 883 distance=60' 18105-2223 BRT1516 distance=60' 18068-2228 LYS 34 distance=61' 18071-2224 TDT 690Ba,Bb distance=62' 18071-2224 LYS 35AB distance=62' 18134-2302 ARA2217AB distance=62' 18134-2302 ABH 97AD distance=62' 18134-2302 ABH 97AF distance=62' 18134-2302 ARA2217BC distance=62' 18134-2302 ABH 97BE distance=62' 18134-2302 ABH 97BF distance=62' 18082-2216 BU 243AB distance=64' 18082-2216 BU 243AB,C distance=64' 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 18090-2319 RST5103 95 1.1 1
Show 18092-2326 B 380 241 8.0 8
Show 18083-2326 B 378 79 0.5 12
Show 18077-2321 OCC 647 -1 0.1 18
Show 18076-2316 OCC 646 -1 0.1 21
Show 18098-2339 TDT 716 126 0.5 24
Show 18093-2255 VVV 3 170 42.6 25
Show 18103-2254 ARA1848 38 8.0 31
Show 18101-2346 RST5104 156 0.3 32
Show 18092-2247 HO 427 71 10.9 33
Show 18097-2355 TDT 715 89 0.7 38
Show 18119-2331 OCC1073 -1 0.0 43
Show 18117-2342 HJ 5030 287 43.5 44
Show 18074-2240 J 3203 92 3.8 45
Show 18056-2328 ARA2212 155 10.0 48
Show 18055-2326 SKF2529 BC 251 3.1 49
Show 18055-2326 SKF2529 AB 56 1.8 49
Show 18055-2326 SKF2529 AC 271 1.5 49
Show 18099-2406 BAR 9 AB 185 5.0 50
Show 18099-2406 HJ 5026 AC 139 33.7 50
Show 18055-2312 ARA2211 89 10.8 51
Show 18119-2351 B 382 286 5.4 52
Show 18054-2300 LYS 33 AB 289 35.2 53
Show 18054-2300 SNA 80 AC 21 5.6 53
Show 18054-2300 SNA 80 AD 186 5.6 53
Show 18054-2300 SNA 80 AE 184 7.8 53
Show 18051-2317 B 375 168 0.9 54
Show 18054-2343 TDT 672 103 1.6 56
Show 18049-2326 ARA2210 145 8.7 57
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 18091-2222 ARA1847 170 11.5 58
Show 18117-2404 B 2858 193 9.3 58
Show 18132-2329 DON 887 350 1.8 59
Show 18056-2356 ARA2213 235 14.5 59
Show 18060-2238 BRT1513 56 4.4 60
Show 18096-2220 DON 883 31 0.6 60
Show 18105-2223 BRT1516 285 3.9 60
Show 18068-2228 LYS 34 114 5.7 61
Show 18071-2224 TDT 690 Ba,Bb 68 0.5 62
Show 18071-2224 LYS 35 AB 80 18.6 62
Show 18134-2302 ARA2217 AB 37 12.6 62
Show 18134-2302 ABH 97 AD 277 49.6 62
Show 18134-2302 ABH 97 AF 189 20.4 62
Show 18134-2302 ARA2217 BC 125 12.7 62
Show 18134-2302 ABH 97 BE 67 32.1 62
Show 18134-2302 ABH 97 BF 200 32.1 62
Show 18082-2216 BU 243 AB 126 0.7 64
Show 18082-2216 BU 243 AB,C 56 40.2 64

 
 
WDS 18090-2319 : COMPONENTS
 
 
  A
B pa=95.6°
sep=0.97"
 
 
18090-2319 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 180900.52-231902.2 Mag 10.26 Spectral class B2III (blue-white)
PmRA -3.00 PmDE -2.0 Tycho2 6843-02328-1 HD 165858
Tycho2
Tycho2 6843-02328-1 Pflag RAmdeg 272.25215322 DEmdeg -23.31730194
PmRA -3.4 PmDE -1.9 E RAmdeg 19 E DEmdeg 26
E pmRA 2.6 E pmDE 2.4 EpRAm 1991.09 EpDEm 1990.33
Num 3 Q RAmdeg 0.3 Q DEmdeg 2.2 Q pmRA 0.3
Q pmDE 2.2 BTmag 10.235 E BTmag 0.032 VTmag 10.257
E VTmag 0.043 Prox 999 TYC T HIP
CCDM RAdeg 272.25216167 DEdeg -23.31729778 EpRA 1990 1.80
EpDE 1990 1.83 E RAdeg 18.9 E DEdeg 25.8 Posflg
Corr 0.0
CCDM
Ccdm 18090-2319 RComp Comp A Note1
Note2 Discov num DRAs 0.58 DDEs -2.1
R dRAs 41 Year Theta Rho
Obs 2 Vmag 9.7 Sp A3 PmNote
PmRA PmDE Dm number -2313971 Cat1 CD
Name2 Cat2 HD 165858 M HD
ADS BDS M ADS BDS N IDS IDS 18029S2320A
HIC
 
 
18090-2319 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180900.59-231902.3 Mag 13.6 Calc delta mag 3.34
Calc coord yes
CCDM
Ccdm 18090-2319 RComp Comp B Note1
Note2 Discov num RST5103 DRAs DDEs
R dRAs Year 1943 Theta 094 Rho 1.1
Obs 2 Vmag 13.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18029S2320B
HIC