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Current system
18313-2307
LEO 39 AB


Nearby doubles
9' : 18314-2259
ARA2234

9' : 18311-2315
DON 906

14' : 18305-2315
RST4013

25' : 18306-2329
ARA2233

28' : 18325-2330
BRT1539

29' : 18294-2258
BRT1538

32' : 18335-2256
BRT1540

35' : 18297-2241
RST3183

44' : 18284-2249
OCC 44

45' : 18281-2300
OCC 45

50' : 18349-2256
ARA2236

51' : 18280-2328
LEO 18

54' : 18294-2353
B 393

54' : 18349-2326
HDS2636

57' : 18317-2211
ARA1890

58' : 18282-2227
ARA1889

59' : 18281-2228
ARA1888

62' : 18281-2349
ARA2231

83' : 18289-2422
LEO 38

84' : 18353-2205
WNO 22

84' : 18363-2355
ARA2237

84' : 18364-2353
ARA2238

85' : 18367-2348
KPP 420

85' : 18365-2353
ARA2239

86' : 18365-2354
ARA2240AB

86' : 18365-2355
ARA2319



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

18313-2307 LEO 39 AB

 
 
18h 31m 18.22s -23° 06' 51.7" P.A. 156.00 sep 2.1 mag 10.14,11.60 Sp G0
 
 
Coord 2000 18313-2307 Discov num LEO  39 Comp AB Coord arcsec 2000 18 31 18.22 -23 06 51.7
Date first 1932 Date last 2015 Obs 4
Pa first 156 Pa last 155.7 P.A. Now (θ) 155.7°
Sep first 1.8 Sep last 2.112 Sep. Now (ρ) 2.112"
Mag pri 10.14 Mag sec 11.60 delta mag (ΔM) 1.46 Spectral class G0 (yellow)
Pri motion ra +009 Sec motion ra
Pri motion dec +004 Sec motion dec
Notes S (Parallax indidates non-physical)
This double is not physical.
 
 
18313-2307 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 31 18 -23 06 52 LEO 39 AB 2015 4 156 2.1 10.14 11.60 1.46 <===
Show 18 31 18 -23 06 52 LEO 39 AC 2015 7 115 20.3 10.14 12.90 2.76
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6857-01795-1 Gaia DR2 4077837599539462912
 
 
WDS 18313-2307 LEO 39 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Leo1918 Ma - Leonard, F.C. 1918MNRAS..78..475L
Leo1918 MNRAS 78, 475, 1918
Leo1933 Ma - Leonard, F.C. 1933LicOB..16...90L
Leo1933 Lick Obs. Bull. 16, 90, 1933
Leo1943 Ma - Leonard, F.C. 1943PASP...55..241L
Leo1943 PASP 55, 241, 1943
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18313-2307 LEO 39 AB 1936 3 156 2.0 10.14 11.60 G0 183118.22-230651.7
18313-2307 LEO 39 AB 2015 4 156 2.1 10.14 11.60 G0 S 183118.22-230651.7

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

 
 
WDS 18313-2307 LEO 39 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18313-2307 LEO 39 AB : MEASURES
 
 
No records found.

 
 
WDS 18313-2307 : VIRTUAL EYEPIECE
 
 

18313-2307 LEO 39A mag 10.14 Sp G0 18313-2307 LEO 39B sep 2.1 P.A. 157.40 mag 11.6 18313-2307 LEO 39C sep 19.0 P.A. 116.40 mag 12.9 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18313-2307 : ALADIN DSS IMAGE @ 18h 31m 18.22s -23° 06' 51.7"
 
 
 
 
WDS 18313-2307 LEO 39 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18313-2307 LEO 39AB distance=0' 18314-2259 ARA2234 distance=9' 18311-2315 DON 906 distance=9' 18305-2315 RST4013 distance=14' 18306-2329 ARA2233 distance=25' 18325-2330 BRT1539 distance=28' 18294-2258 BRT1538 distance=29' 18335-2256 BRT1540 distance=32' 18297-2241 RST3183 distance=35' 18284-2249 OCC 44 distance=44' 18281-2300 OCC 45 distance=45' 18349-2256 ARA2236 distance=50' 18280-2328 LEO 18 distance=51' 18294-2353 B 393 distance=54' 18349-2326 HDS2636 distance=54' 18317-2211 ARA1890 distance=57' 18282-2227 ARA1889 distance=58' 18281-2228 ARA1888 distance=59' 18281-2349 ARA2231 distance=62' 18289-2422 LEO 38 distance=83' 18353-2205 WNO 22 distance=84' 18363-2355 ARA2237 distance=84' 18364-2353 ARA2238 distance=84' 18367-2348 KPP 420 distance=85' 18365-2353 ARA2239 distance=85' 18365-2354 ARA2240BC distance=86' 18365-2354 ARA2240AB distance=86' 18365-2355 ARA2319 distance=86' 18374-2337 B 2456 distance=90' 18258-2220 ARA1887 distance=90' 18315-2138 ARA1540 distance=90' 18324-2138 ARA1541 distance=91' 18274-2420 KPP 412 distance=92' 18377-2244 ARA1893 distance=92' 18273-2154 ARA1535 distance=92' 18296-2138 ARA1536 distance=92' 18377-2243 ARA1894 distance=92' 18362-2409 J 2219 distance=92' 18302-2135 ARA1537 distance=94' 18292-2436 B 392 distance=94' 18306-2133 ARA1538 distance=95' 18288-2138 HU 242 distance=96' 18352-2427 J 1654 distance=97' 18361-2154 ARA1546 distance=99' 18337-2132 ARA1542 distance=101' 18352-2140 HU 246 distance=102' 18241-2248 ARA1886AB distance=103' 18241-2248 ARA1886AC distance=103' 18280-2135 HU 240 distance=103' 18314-2124 ARA1539 distance=104' 18273-2140 HU 239 distance=104' 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 18313-2307 LEO 39 AB 156 2.1
Show 18313-2307 LEO 39 AC 115 20.3
Show 18314-2259 ARA2234 326 13.2 9
Show 18311-2315 DON 906 145 2.0 9
Show 18305-2315 RST4013 264 1.3 14
Show 18306-2329 ARA2233 262 7.5 25
Show 18325-2330 BRT1539 230 4.1 28
Show 18294-2258 BRT1538 290 4.1 29
Show 18335-2256 BRT1540 313 5.1 32
Show 18297-2241 RST3183 207 0.5 35
Show 18284-2249 OCC 44 -1 0.1 44
Show 18281-2300 OCC 45 -1 0.1 45
Show 18349-2256 ARA2236 38 7.3 50
Show 18280-2328 LEO 18 295 2.8 51
Show 18294-2353 B 393 135 1.7 54
Show 18349-2326 HDS2636 57 0.3 54
Show 18317-2211 ARA1890 289 11.5 57
Show 18282-2227 ARA1889 9 9.0 58
Show 18281-2228 ARA1888 250 13.7 59
Show 18281-2349 ARA2231 250 12.0 62
Show 18289-2422 LEO 38 217 3.0 83
Show 18353-2205 WNO 22 269 11.4 84
Show 18363-2355 ARA2237 133 9.7 84
Show 18364-2353 ARA2238 341 13.6 84
Show 18367-2348 KPP 420 93 3.8 85
Show 18365-2353 ARA2239 249 8.8 85
Show 18365-2354 ARA2240 BC 3 12.6 86
Show 18365-2354 ARA2240 AB 317 10.4 86
Show 18365-2355 ARA2319 3 11.4 86
Show 18374-2337 B 2456 225 8.0 90
Show 18258-2220 ARA1887 187 6.0 90
Show 18315-2138 ARA1540 10 14.8 90
Show 18324-2138 ARA1541 349 7.1 91
Show 18274-2420 KPP 412 199 4.8 92
Show 18377-2244 ARA1893 137 12.5 92
Show 18273-2154 ARA1535 38 11.4 92
Show 18296-2138 ARA1536 147 15.5 92
Show 18377-2243 ARA1894 270 7.3 92
Show 18362-2409 J 2219 313 4.6 92
Show 18302-2135 ARA1537 77 13.4 94
Show 18292-2436 B 392 208 5.2 94
Show 18306-2133 ARA1538 255 9.4 95
Show 18288-2138 HU 242 279 1.2 96
Show 18352-2427 J 1654 78 3.5 97
Show 18361-2154 ARA1546 173 10.4 99
Show 18337-2132 ARA1542 114 11.6 101
Show 18352-2140 HU 246 68 2.6 102
Show 18241-2248 ARA1886 AB 64 15.2 103
Show 18241-2248 ARA1886 AC 152 7.9 103
Show 18280-2135 HU 240 35 4.7 103
Show 18314-2124 ARA1539 4 5.0 104

 
 
WDS 18313-2307 : COMPONENTS
 
 
  A B
B pa=157.4°
sep=2.08"
 
C pa=116.4°
sep=19.00"
pa=111.9°
sep=17.48"
 
 
18313-2307 A
 
 
Coord arcsec 2000 183118.22-230651.7 Mag 10.14 Spectral class G0 (yellow) PmRA 9.00
PmDE 4.0 Tycho2 6857-01795-1
Tycho2
Tycho2 6857-01795-1 Pflag RAmdeg 277.82595363 DEmdeg -23.11438199
PmRA 3.9 PmDE 4.3 E RAmdeg 28 E DEmdeg 31
E pmRA 2.1 E pmDE 2.2 EpRAm 1981.53 EpDEm 1979.02
Num 6 Q RAmdeg 1.4 Q DEmdeg 2.8 Q pmRA 1.4
Q pmDE 2.8 BTmag 11.814 E BTmag 0.117 VTmag 10.136
E VTmag 0.047 Prox 999 TYC T HIP
CCDM RAdeg 277.82594806 DEdeg -23.11436639 EpRA 1990 1.60
EpDE 1990 1.50 E RAdeg 39.2 E DEdeg 47.5 Posflg
Corr 0.0
CCDM
Ccdm 18313-2307 RComp Comp A Note1
Note2 Discov num DRAs 0.22 DDEs 8.5
R dRAs 10 Year Theta Rho
Obs 3 Vmag 10.2 Sp G0 PmNote *
PmRA 7 PmDE 9 Dm number -2314444 Cat1 CD
Name2 186910 Cat2 SAO HD M HD
ADS BDS M ADS BDS N IDS IDS 18252S2311A
HIC
 
 
18313-2307 B
 
 
Coord arcsec 2000 183118.28-230653.6 Mag 11.6 Calc delta mag 1.46 Calc coord yes
CCDM
Ccdm 18313-2307 RComp Comp B Note1
Note2 Discov num LEO 39 DRAs DDEs
R dRAs Year 1932 Theta 156 Rho 2.0
Obs 3 Vmag 11.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18252S2311B
HIC
 
 
18313-2307 C
 
 
Coord arcsec 2000 183119.45-230700.1 Mag 12.9 PmRA -2.00 PmDE -4.0
Calc delta mag 2.76 Calc coord yes
CCDM
Ccdm 18313-2307 RComp Comp C Note1
Note2 Discov num LEO 39 DRAs DDEs
R dRAs Year 1932 Theta 116 Rho 21.0
Obs 1 Vmag 13.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18252S2311C
HIC