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Doubles in session


Current system
18274-1838
LEO 17 AB


Nearby doubles
8' : 18270-1835
SKF 935

11' : 18270-1830
OCC 541

15' : 18272-1852
ARA 483

19' : 18262-1832
CHR 236

19' : 18262-1846
J 1743

20' : 18267-1822
ARA 481

21' : 18261-1829
ARA 478

23' : 18274-1900
ARA 751

26' : 18264-1819
ARA 480

27' : 18290-1823
ARA 485

27' : 18268-1814
FEN 30

30' : 18290-1858
I 1368

31' : 18260-1901
TDT 863

36' : 18264-1805
OCC9065

40' : 18302-1844
OCC 988

42' : 18260-1801
ARA 479

47' : 18269-1753
ARA 281

53' : 18280-1747
RST3182

55' : 18241-1905
ARA 747

56' : 18236-1849
ARA 477

57' : 18244-1917
J 1630

58' : 18313-1855
TNN 10AB

59' : 18314-1824
SEE 354AB

63' : 18232-1823
TOB 288

64' : 18315-1904
ARA 753

64' : 18315-1905
ARA 752



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

18274-1838 LEO 17 AB

 
 
18h 27m 24.69s -18° 38' 19.0" P.A. 211.00 sep 4.1 mag 11.60,11.80
 
 
Coord 2000 18274-1838 Discov num LEO  17 Comp AB Coord arcsec 2000 18 27 24.69 -18 38 19.0
Date first 1916 Date last 2016 Obs 7
Pa first 217 Pa last 210.6 P.A. Now (θ) 210.6°
Sep first 4.2 Sep last 4.114 Sep. Now (ρ) 4.114"
Mag pri 11.60 Mag sec 11.80 delta mag (ΔM) 0.2 Spectral class
Pri motion ra +029 Sec motion ra +005
Pri motion dec +038 Sec motion dec -008
Notes
rPM=1.085
This double is not physical.
 
 
18274-1838 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 27 25 -18 38 19 LEO 17 AB 2016 7 211 4.1 11.60 11.80 0.20 <===
Show 18 27 25 -18 38 19 LEO 17 AC 2015 6 276 17.9 11.60 13.50 1.90
Show 18 27 37 -18 36 50 LEO 17 DE 2018 8 295 15.9 11.14 11.27 0.13
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Gaia DR2 4093191935878098432
 
 
WDS 18274-1838 LEO 17 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
18274-1838 LEO 17 AB 1998 3 211 4.2 11.14 11.50 D 182736.97-183649.6
18274-1838 LEO 17 AB 2003 5 211 3.9 11.60 11.80 182724.69-183819.0
18274-1838 LEO 17 AB 2015 6 211 4.1 11.60 11.80 182724.69-183819.0
18274-1838 LEO 17 AB 2016 7 211 4.1 11.60 11.80 182724.69-183819.0

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

 
 
WDS 18274-1838 LEO 17 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18274-1838 LEO 17 AB : MEASURES
 
 
No records found.

 
 
WDS 18274-1838 : VIRTUAL EYEPIECE
 
 

18274-1838 LEO 17A mag 11.6 18274-1838 LEO 17B sep 4.1 P.A. 209.30 mag 11.8 18274-1838 LEO 17C sep 17.0 P.A. 276.30 mag 13.5 18274-1838 LEO 17D sep 196.1 P.A. 62.90 mag 11.14 18274-1838 LEO 17E sep 187.3 P.A. 59.20 mag 11.27 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18274-1838 : ALADIN DSS IMAGE @ 18h 27m 24.69s -18° 38' 19.0"
 
 
 
 
WDS 18274-1838 LEO 17 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18274-1838 LEO 17AB distance=0' 18274-1838 LEO 17DE distance=4' 18270-1835 SKF 935 distance=8' 18270-1830 OCC 541 distance=11' 18272-1852 ARA 483 distance=15' 18262-1832 CHR 236 distance=19' 18262-1846 J 1743 distance=19' 18267-1822 ARA 481 distance=20' 18261-1829 ARA 478 distance=21' 18274-1900 ARA 751 distance=23' 18264-1819 ARA 480 distance=26' 18290-1823 ARA 485 distance=27' 18268-1814 FEN 30 distance=27' 18290-1858 I 1368 distance=30' 18260-1901 TDT 863 distance=31' 18264-1805 OCC9065 distance=36' 18302-1844 OCC 988 distance=40' 18260-1801 ARA 479 distance=42' 18269-1753 ARA 281 distance=47' 18280-1747 RST3182 distance=53' 18241-1905 ARA 747 distance=55' 18236-1849 ARA 477 distance=56' 18244-1917 J 1630 distance=57' 18313-1855 TNN 10AB distance=58' 18313-1855 TNN 10AC distance=58' 18313-1855 TNN 10AD distance=58' 18313-1855 TNN 10AE distance=58' 18313-1855 TNN 10AF distance=58' 18314-1824 OCC 22Aa,Ab distance=59' 18314-1824 SEE 354AB distance=59' 18232-1823 TOB 288 distance=63' 18315-1904 ARA 753 distance=64' 18315-1905 ARA 752 distance=64' 18319-1908 BU 966GT distance=65' 18232-1903 I 1365 distance=65' 18319-1908 BU 966SE distance=66' 18228-1843 CHR 235 distance=66' 18319-1908 BU 966EF distance=68' 18319-1908 BU 966EK distance=68' 18319-1908 BU 966EL distance=68' 18319-1908 BU 966KM distance=68' 18319-1908 BU 966JK distance=69' 18319-1908 BU 966JM distance=69' 18319-1908 BU 966HJ distance=69' 18319-1908 BU 966Ba,Bb distance=70' 18319-1908 BU 966BC distance=70' 18319-1908 BU 966BE distance=70' 18319-1908 BU 966BH distance=70' 18319-1908 BU 966BQ distance=70' 18319-1908 BU 966CD distance=70' 18319-1908 BU 966CG distance=70' 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 18274-1838 LEO 17 AB 211 4.1
Show 18274-1838 LEO 17 AC 276 17.9
Show 18274-1838 LEO 17 DE 295 15.9 4
Show 18270-1835 SKF 935 16 4.6 8
Show 18270-1830 OCC 541 -1 0.4 11
Show 18272-1852 ARA 483 48 10.0 15
Show 18262-1832 CHR 236 116 0.1 19
Show 18262-1846 J 1743 265 3.4 19
Show 18267-1822 ARA 481 7 11.2 20
Show 18261-1829 ARA 478 54 12.0 21
Show 18274-1900 ARA 751 313 7.8 23
Show 18264-1819 ARA 480 279 10.1 26
Show 18290-1823 ARA 485 185 9.8 27
Show 18268-1814 FEN 30 47 3.4 27
Show 18290-1858 I 1368 288 0.6 30
Show 18260-1901 TDT 863 23 1.7 31
Show 18264-1805 OCC9065 306 0.2 36
Show 18302-1844 OCC 988 -1 0.1 40
Show 18260-1801 ARA 479 136 8.1 42
Show 18269-1753 ARA 281 102 13.8 47
Show 18280-1747 RST3182 4 2.7 53
Show 18241-1905 ARA 747 291 6.2 55
Show 18236-1849 ARA 477 352 13.9 56
Show 18244-1917 J 1630 222 5.3 57
Show 18313-1855 TNN 10 AB 170 2.8 58
Show 18313-1855 TNN 10 AC 267 3.5 58
Show 18313-1855 TNN 10 AD 213 5.1 58
Show 18313-1855 TNN 10 AE 71 5.3 58
Show 18313-1855 TNN 10 AF 119 5.4 58
Show 18314-1824 OCC 22 Aa,Ab -1 0.1 59
Show 18314-1824 SEE 354 AB 182 23.2 59
Show 18232-1823 TOB 288 184 12.6 63
Show 18315-1904 ARA 753 178 5.9 64
Show 18315-1905 ARA 752 284 11.2 64
Show 18319-1908 BU 966 GT 63 61.7 65
Show 18232-1903 I 1365 150 1.3 65
Show 18319-1908 BU 966 SE 142 161.3 66
Show 18228-1843 CHR 235 182 0.1 66
Show 18319-1908 BU 966 EF 291 25.4 68
Show 18319-1908 BU 966 EK 26 30.5 68
Show 18319-1908 BU 966 EL 123 21.1 68
Show 18319-1908 BU 966 KM 9 72.0 68
Show 18319-1908 BU 966 JK 264 29.5 69
Show 18319-1908 BU 966 JM 345 70.4 69
Show 18319-1908 BU 966 HJ 310 44.4 69
Show 18319-1908 BU 966 Ba,Bb 95 0.9 70
Show 18319-1908 BU 966 BC 205 164.9 70
Show 18319-1908 BU 966 BE 302 91.0 70
Show 18319-1908 BU 966 BH 358 50.8 70
Show 18319-1908 BU 966 BQ 199 109.6 70
Show 18319-1908 BU 966 CD 171 11.0 70

 
 
WDS 18274-1838 : COMPONENTS
 
 
  A B C D
B pa=209.3°
sep=4.06"
 
C pa=276.3°
sep=17.01"
pa=290.0°
sep=15.87"
 
D pa=62.9°
sep=196.11"
pa=62.2°
sep=199.51"
pa=65.4°
sep=210.51"
 
E pa=59.2°
sep=187.33"
pa=58.6°
sep=190.86"
pa=62.1°
sep=201.15"
pa=295.7°
sep=15.18"
 
 
18274-1838 A
 
 
Coord arcsec 2000 182724.69-183819.0 Mag 11.6 PmRA 29.00 PmDE 38.0
 
 
18274-1838 B
 
 
Coord arcsec 2000 182724.55-183822.5 Mag 11.8 PmRA 5.00 PmDE -8.0
Calc delta mag 0.2 Calc coord yes
 
 
18274-1838 C
 
 
Coord arcsec 2000 182723.50-183817.1 Mag 13.5 PmRA -19.00 PmDE 2.0
Calc delta mag 1.9 Calc coord yes
 
 
18274-1838 D
 
 
Coord arcsec 2000 182736.97-183649.6 Mag 11.14 PmRA 4.00 PmDE -7.0
Tycho2 6270-00829-1 HD 313345 Calc delta mag 0.46
Tycho2
Tycho2 6270-00829-1 Pflag RAmdeg 276.90407460 DEmdeg -18.61379157
PmRA 2.0 PmDE -2.4 E RAmdeg 70 E DEmdeg 95
E pmRA 4.2 E pmDE 4.4 EpRAm 1987.83 EpDEm 1984.86
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 11.796 E BTmag 0.132 VTmag 11.136
E VTmag 0.132 Prox 157 TYC HIP
CCDM RAdeg 276.90406972 DEdeg -18.61378583 EpRA 1990 1.81
EpDE 1990 1.58 E RAdeg 72.1 E DEdeg 100.1 Posflg
Corr -0.1
 
 
18274-1838 E
 
 
Coord arcsec 2000 182736.01-183643.0 Mag 11.27 PmRA -2.00 PmDE 2.0
Tycho2 6270-00575-1 Calc delta mag 0.33 Calc coord yes
Tycho2
Tycho2 6270-00575-1 Pflag RAmdeg 276.89991149 DEmdeg -18.61194241
PmRA 1.1 PmDE 4.9 E RAmdeg 74 E DEmdeg 100
E pmRA 3.1 E pmDE 3.4 EpRAm 1983.03 EpDEm 1977.14
Num 3 Q RAmdeg 0.3 Q DEmdeg 0.1 Q pmRA 0.3
Q pmDE 0.1 BTmag 11.929 E BTmag 0.161 VTmag 11.269
E VTmag 0.144 Prox 157 TYC HIP
CCDM RAdeg 276.89990861 DEdeg -18.61195389 EpRA 1990 1.82
EpDE 1990 1.59 E RAdeg 78.7 E DEdeg 111.1 Posflg
Corr -0.1