18138-2104 SLV 7 BE

 
 
18h 13m 44.64s -21° 03' 35.4" P.A. 106.00 sep 64.4 mag 10.48,9.22 Sp B9III
 
 
Coord 2000 18138-2104 Discov num SLV   7 Comp BE Coord arcsec 2000 18 13 44.64 -21 03 35.4
Date first 1879 Date last 2020 Obs 12
Pa first 106 Pa last 105.9 P.A. Now (θ) 105.9°
Sep first 64.1 Sep last 64.441 Sep. Now (ρ) 64.441"
Mag pri 10.48 Mag sec 9.22 delta mag (ΔM) 1.26 Spectral class B9III (blue-white)
Pri motion ra +002 Sec motion ra
Pri motion dec -011 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
18138-2104 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Polis 186497 18 13 46 -21 03 32 H 5 7 AB 2013 20 258 16.9 3.85 10.48 6.63
Show 186497 18 13 46 -21 03 32 BU 292 AC 2008 10 119 25.5 3.85 12.80 8.95
Show 186497 18 13 46 -21 03 32 HJ 2822 AD 2013 25 312 48.2 3.85 9.96 6.11
Show 186497 18 13 46 -21 03 32 HJ 2822 AE 2013 20 114 50.2 3.85 9.22 5.37
Show 18 13 45 -21 03 35 SLV 7 BD 2020 13 331 40.8 10.48 9.96 0.52
Show 18 13 45 -21 03 35 SLV 7 BE 2020 12 106 64.4 10.48 9.22 1.26 <===
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Gaia DR2 4093933487627510528
 
 
WDS 18138-2104 SLV 7 BE : NOTES
 
 
discov_num notes refcode
H 5 7 H V 7. mu Sgr = 13 Sgr = Polis. A is an Algol-type system and
occultation binary.
 
 
REFERENCES
 
 
refcode metd author reference
Bu_1873a Ma - Burnham, S.W. (BU 1 - 81) 1873MNRAS..33..351B
Bu_1873a MNRAS 33, 351, 1873
Bu_1873b Ma - Burnham, S.W. (BU 82 - 106) 1873MNRAS..33..437B
Bu_1873b MNRAS 33, 437, 1873
Bu_1873c - Burnham, S.W. 1873MNRAS..33..567B
Bu_1873c MNRAS 33, 567, 1873
Bu_1873d Ma - Burnham, S.W. (BU 107 - 182) 1873MNRAS..34...59B
Bu_1873d MNRAS 34, 59, 1873
Bu_1874a Ma - Burnham, S.W. (BU 183 - 229) 1874MNRAS..34..382B
Bu_1874a MNRAS 34, 382, 1874
Bu_1874b Ma - Burnham, S.W. (BU 230 - 300) 1874MNRAS..35...31B
Bu_1874b MNRAS 35, 31, 1874
Bu_1874c - Burnham, S.W. 1874MNRAS..34..370B
Bu_1874c MNRAS 34, 370, 1874
Bu_1874d Ma - Burnham, S.W. 1874MNRAS..34..393B
Bu_1874d MNRAS 34, 393, 1874
Bu_1874e Ma - Burnham, S.W. 1874MNRAS..35...28B
Bu_1874e MNRAS 35, 28, 1874
Bu_1875 Ma - Burnham, S.W. (BU 301 - 390) 1875AN.....86..337B
Bu_1875 AN 86, 337, 1875
Bu_1876 Ma - Burnham, S.W. (BU 391 - 436) 1876AN.....88..225B
Bu_1876 AN 88, 225, 1876
Bu_1876b - Burnham, S.W. 1876MNRAS..36...99B
Bu_1876b MNRAS 36, 99, 1876
Bu_1876c - Burnham, S.W. 1876MNRAS..36..331B
Bu_1876c MNRAS 36, 331, 1876 (no new data)
Bu_1877 Ma - Burnham, S.W. (BU 453 - 482) 1877MNRAS..38...78B
Bu_1877 MNRAS 38, 78, 1877
Bu_1878a Ma - Burnham, S.W. 1878MNRAS..38..408B
Bu_1878a MNRAS 38, 408, 1878
Bu_1878b - Burnham, S.W. 1878MNRAS..38..476B
Bu_1878b MNRAS 38, 476, 1878
Bu_1878c - Burnham, S.W. 1878MNRAS..38..478B
Bu_1878c MNRAS 38, 478, 1878
Bu_1878d Ma j Burnham, S.W. 1878AN.....92..235B
Bu_1878d AN 92, 235, 1878
Bu_1879 Ma j Burnham, S.W. 1879MmRAS..44..141B
Bu_1879 MemRAS 44, 141, 1879
Bu_1879B Ma - Burnham, S.W. 1879Obs.....3...20G
Bu_1879B cited by Gledhill (Obs 3, 20, 1879)
Bu_1879C Ma - Burnham, S.W. 1879Obs.....3..142G
Bu_1879C cited by Gledhill (Obs 3, 142, 1879)
Bu_1879d Ma - Burnham, S.W. 1879Obs.....3...92B
Bu_1879d Obs 3, 92, 1879
Bu_1879e Ma - Burnham, S.W. 1879MNRAS..40...99B
Bu_1879e MNRAS 40, 99, 1879
Bu_1880A Ma - Burnham, S.W. 1880Obs.....3..508G
Bu_1880A cited by Gledhill (Obs 3, 508, 1880)
Bu_1880C Ma - Burnham, S.W. 1880Obs.....3..314G
Bu_1880C cited by Gledhill (Obs 3, 314, 1880)
Bu_1880D Ma - Burnham, S.W. 1880Obs.....3..352G
Bu_1880D cited by Gledhill (Obs 3, 352, 1880)
Bu_1880e Ma - Burnham, S.W. 1880Obs.....3..408B
Bu_1880e Obs 3, 408, 1880
Bu_1880f Ma - Burnham, S.W. 1880MNRAS..40..497B
Bu_1880f MNRAS 40, 497, 1880
Bu_1880g Ma - Burnham, S.W. 1880MNRAS..41...33B
Bu_1880g MNRAS 41, 33, 1880
Bu_1881 Ma j Burnham, S.W. 1881Obs.....4...19G
Bu_1881 cited by Gledhill (Obs 4, 19, 1881)
Bu_1882a Ma - Burnham, S.W. (BU 776 - 863) 1882PWasO...1...91B
Bu_1882a Pub. Washburn Obs. 1, 91, 1882
Bu_1882b Ma - Burnham, S.W. 1882PWasO...1..113B
Bu_1882b Pub. Washburn Obs. 1, 113, 1882
Bu_1883 Ma j Burnham, S.W. (BU 864 - 1025) 1883MmRAS..47..167B
Bu_1883 MemRAS 47, 167, 1883
Bu_1883b Ma - Burnham, S.W. 1883MNRAS..43..318B
Bu_1883b MNRAS 43, 318, 1883
Bu_1884 Ma j Burnham, S.W. 1884MNRAS..44..365H
Bu_1884 MNRAS 44, 365, 1884
Bu_1884b Ma - Burnham, S.W. 1884AN....110..133B
Bu_1884b AN 110, 133, 1884
Bu_1884C Ma - Burnham, S.W. 1884AReg...22..216S
Bu_1884C cited by Sadler (Astr. Register 22, 216, 1884)
Bu_1887 Ma - Burnham, S.W. (BU 734 - 775) 1887PLicO...1...24B
Bu_1887 Pub. Lick Obs. 1, 24,45, 1887
Bu_1889a Ma - Burnham, S.W. 1889AN....122..159B
Bu_1889a AN 122, 159, 1889 (measures also in Bu_1894c) 1894PLicO...2..197B
Bu_1889b Ma - Burnham, S.W. (BU 1026 - 1038) 1889AN....123....1B
Bu_1889b AN 123, 1, 1889 (measures also in Bu_1894a) 1894PLicO...2..185B
Bu_1889c Ma - Burnham, S.W. 1889AN....123...75B
Bu_1889c AN 123, 75, 1889 (measures also in Bu_1894c) 1894PLicO...2..197B
Bu_1889d Ma - Burnham, S.W. 1889PASP....1...36B
Bu_1889d PASP 1, 36, 1889 (measures also in Bu_1894) 1894PLicO...2....3B
Bu_1889e Ma j Burnham, S.W. 1889AN....121...63B
Bu_1889e AN 121, 63, 1889 (measures also in Bu_1894c) 1894PLicO...2..197B
Bu_1889f Ma j Bunham, S.W. 1889MNRAS..49..418B
Bu_1889f MNRAS 49, 418, 1889
Bu_1890a Ma - Burnham, S.W. (BU 1093 - 1154) 1889AN....124...49B
Bu_1890a AN 124, 49, 1890 (measures also in Bu_1894c) 1894PLicO...2..197B
Bu_1890b Ma - Burnham, S.W. 1890AN....125...41B
Bu_1890b AN 125, 41, 1890 (measures also in Bu_1894) 1894PLicO...2....3B
Bu_1890c Ma - Burnham, S.W. 1890PASP....2..138B
Bu_1890c PASP 2, 138, 1890 (measures also in Bu_1894) 1894PLicO...2....3B
Bu_1891a orb - Burnham, S.W. 1891SidM...10..273B
Bu_1891a Sidereal Messenger 10, 273, 1891
Bu_1891b orb - Burnham, S.W. 1891Obs....14..263B
Bu_1891b Observatory 14, 263, 1891
Bu_1891c Ma j Burnham, S.W. 1891AN....127..289B
Bu_1891c AN 127, 289, 1891
Bu_1892 Ma - Burnham, S.W. (BU 1225 - 1266) 1892AN....130..257B
Bu_1892 AN 130, 257, 1892 (measures also in Bu_1894e) 1894PLicO...2..221B
Bu_1892b Ma - Burnham, S.W. 1892AN....130...77B
Bu_1892b AN 130, 77, 1892
Bu_1893a Ma - Burnham, S.W. 1893AN....131..329B
Bu_1893a AN 131, 329, 1893 (most measures also in Bu_1894) 1894PLicO...2.....B
Bu_1893b orb - Burnham, S.W. 1893MNRAS..53..478B
Bu_1893b MNRAS 53, 478, 1893
Bu_1893c orb - Burnham, S.W. 1893MNRAS..54..119B
Bu_1893c MNRAS 54, 119, 1893
Bu_1893d orb - Burnham, S.W. 1893AstAp..12..494B
Bu_1893d AstAp 12, 494, 1893
Bu_1893e orb - Burnham, S.W. 1893AstAp..12..585B
Bu_1893e AstAp 12, 585, 1893
Bu_1893f Ma - Burnham, S.W. (BU 1267 - 1274) 1893MNRAS..53..273B
Bu_1893f MNRAS 53, 273, 1893 (most measures also in Bu_1893a) 1893AN....131..329B
Bu_1893g orb - Burnham, S.W. 1893MNRAS..53..482B
Bu_1893g MNRAS 53, 482, 1893
Bu_1894 Ma j Burnham, S.W. 1894PLicO...2....3B
Bu_1894 Pub. Lick Obs. 2, 3, 1894 (includes most data from Bu_1893a) 1893AN....131..329B
Bu_1894a Ma j Burnham, S.W. (BU 1026 - 1038) 1894PLicO...2..185B
Bu_1894a Pub. Lick Obs. 2, 185, 1894
Bu_1894b Ma j Burnham, S.W. (BU 1039 - 1092) 1894PLicO...2..188B
Bu_1894b Pub. Lick Obs. 2, 188, 1894
Bu_1894c Ma - Burnham, S.W. (BU 1093 - 1154) 1894PLicO...2..197B
Bu_1894c Pub. Lick Obs. 2, 197, 1894
Bu_1894d Ma - Burnham, S.W. (BU 1155 - 1224) 1894PLicO...2..206B
Bu_1894d Pub. Lick Obs. 2, 206, 1894
Bu_1894e Ma - Burnham, S.W. (BU 1225 - 1266) 1894PLicO...2..221B
Bu_1894e Pub. Lick Obs. 2, 221, 1894
Bu_1894f Ma - Burnham, S.W. (BU 1267 - 1274) 1894PLicO...2..229B
Bu_1894f Pub. Lick Obs. 2, 229, 1894 (all measures also in Bu_1893f) 1893MNRAS..53..273B
Bu_1894g Ma - Burnham, S.W. 1894PLicO...2..159B
Bu_1894g Pub. Lick Obs. 2, 159, 1894
Bu_1898 orb - Burnham, S.W. 1898MNRAS..59...59B
Bu_1898 MNRAS 58, 59, 1898
Bu_1900 Ma - Burnham, S.W. 1900PYerO...1....1B
Bu_1900 Pub. Yerkes Obs. 1, 1, 1900
Bu_1902A Ma j Burnham, S.W. 1902AN....158..241E
Bu_1902A cited by Espin (AN 158, 241, 1902)
Bu_1903 Ma - Burnham, S.W. 1903PYerO...2....1B
Bu_1903 Pub. Yerkes Obs. 2, 1, 1903
Bu_1906 Ma j Burnham, S.W. 1906QB821.B972.....
Bu_1906 +M Burnham Double Star Cat., 1906
Bu_1906B Ma - Burnham, S.W. 1906MmRAS..56....1L
Bu_1906B +orb cited by Lewis (MemRAS 56, 1, 1906)
Bu_1907 Ma - Burnham, S.W. 1907AN....176..129B
Bu_1907 AN 176, 129, 1907 (most data in Bu_1913) 1913QB811.B8.......
Bu_1908 Ma - Burnham, S.W. 1908MNRAS..68..517B
Bu_1908 MNRAS 68, 517, 1908
Bu_1908A Ma - Burnham, S.W. 1908MNRAS..68..465B
Bu_1908A cited by Barnard (MNRAS 68, 465, 1908)
Bu_1909 Ma - Burnham, S.W. 1909AN....180...65B
Bu_1909 AN 180, 65, 1909 (most data in Bu_1913) 1913QB811.B8.......
Bu_1909b Ma j Burnham, S.W. 1909AN....182..133B
Bu_1909b AN 182, 133, 1909
Bu_1910 Ma - Burnham, S.W. ...................
Bu_1910 Journal Astronomique 1, no. 11, 81, 1910
Bu_1910b Ma - Burnham, S.W. 1910AN....185..145B
Bu_1910b AN 185, 145, 1910 (most data in Bu_1913) 1913QB811.B8.......
Bu_1911 - Burnham, S.W. 1911MNRAS..72..156J
Bu_1911 MNRAS 72, 156, 1911
Bu_1911b Ma j Burnham, S.W. 1911AN....189..385B
Bu_1911b AN 189, 385, 1911
Bu_1913 Ma j Burnham, S.W. 1913QB811.B8.......
Bu_1913 +Pa Carnegie Inst. Wash. #168, 1913
Bu_1913 +T
Bu_1918 Ma j Burnham, S.W. 1918AJ.....31..141B
Bu_1918 AJ 31, 141, 1918
Bu_1923A Ma - Burnham, S.W. 1923MNRAS..83..154E
Bu_1923A cited by Espin (MNRAS 83, 154, 1923)
Bu_1927A Ma - Burnham, S.W. 1927sdsc.book......
Bu_1927A cited in SDS (Southern Double Star Cat.), 1927
Bu_1932A Ma - Burnham, S.W. 1932QB821.A43......
Bu_1932A cited in ADS (Aitken Double Star Cat.), 1932
Bu_1963A Ma - Burnham, S.W. 1963icvd.book.....J
Bu_1963A cited in IDS (Lick Index Cat.), 1963
Bu_2002A Ma - Burnham, S.W. 2002yCat.1275....0D
Bu_2002A cited in CCDM
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
Slv1965 Po - Salukvadze, G. 1965AbaOB..32...69S
Slv1965 Bull. Abastumani Obs. #32, 69, 1965
Slv1972 Po j Salukvadze, G. 1972AbaOB..43...95S
Slv1972 Bull. Abastumani Obs. #43, 95, 1972
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18138-2104 SLV 7 BE 1998 10 106 64.4 10.48 9.22 D 181344.64-210335.4
18138-2104 SLV 7 BE 2015 11 106 64.6 10.48 9.22 B9III N 181344.64-210335.4
18138-2104 SLV 7 BE 2020 12 106 64.4 10.48 9.22 B9III N 181344.64-210335.4

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

 
 
WDS 18138-2104 SLV 7 BE : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18138-2104 SLV 7 BE : MEASURES
 
 
No records found.

 
 
WDS 18138-2104 : VIRTUAL EYEPIECE
 
 

18138-2104 H 5   7A mag 3.85 Sp B8Iape 18138-2104 SLV   7B sep 16.8 P.A. 257.60 mag 10.48 Sp B9III 18138-2104 BU  292C sep 24.2 P.A. 121.00 mag 12.8 18138-2104 HJ 2822D sep 46.4 P.A. 314.10 mag 9.96 18138-2104 HJ 2822E sep 47.4 P.A. 115.80 mag 9.22 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 18138-2104 : ALADIN DSS IMAGE @ 18h 13m 44.64s -21° 03' 35.4"
 
 
 
 
WDS 18138-2104 SLV 7 BE : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18138-2104  SLV   7BE distance=0' 18138-2104  H 5   7AB (Polis) distance=1' 18138-2104  BU  292AC (Polis) distance=1' 18138-2104  HJ 2822AD (Polis) distance=1' 18138-2104  HJ 2822AE (Polis) distance=1' 18136-2101  GLP  13 distance=3' 18140-2052  J  1622 distance=14' 18146-2055  KPP1769 distance=15' 18131-2119  ARA1522 distance=18' 18124-2107  ARA1519 distance=20' 18121-2054  ARA1139 distance=26' 18155-2057  TDS 911 distance=26' 18152-2044  TOK  59AB distance=29' 18152-2044  SNA  82Aa,Ab distance=29' 18152-2044  SNA  82AC distance=29' 18152-2044  SNA  82AD distance=29' 18116-2059  ARA1138 distance=31' 18130-2134  ARA1521 distance=33' 18162-2105  ARA1523 distance=35' 18122-2130  ARA1518 distance=35' 18128-2135  ARA1520 distance=35' 18113-2111  ARA1516 distance=36' 18131-2024  J  1621AC distance=41' 18131-2024  ARA1141AB distance=41' 18131-2024  SKF1038CD distance=41' 18132-2144  I   631 distance=41' 18128-2024  DON 886 distance=42' 18112-2041  ARA1136 distance=43' 18152-2023  CHR 255Aa,Ab distance=46' 18152-2023  BU  286AB distance=46' 18152-2023  SNA  83AC distance=46' 18152-2023  SNA  83AD distance=46' 18152-2023  SNA  83AE distance=46' 18147-2147  B  2438 distance=46' 18163-2137  BRT1523 distance=50' 18166-2033  MCA  51 distance=51' 18115-2023  ARA1137 distance=51' 18163-2027  SKF1039 distance=51' 18100-2105  TDT 719 distance=52' 18133-2158  ARA1857 distance=56' 18168-2027  ARA1144 distance=56' 18120-2155  BRT1518 distance=57' 18177-2120  BRT1525 distance=58' 18141-2201  BRT1520 distance=58' 18167-2022  SKF  99 distance=59' 18173-2029  BHA  26 distance=61' 18178-2039  ARA1146 distance=61' 18157-2158  ARA1862 distance=62' 18144-2207  OCC1074 distance=65' 18140-2208  ARA1858 distance=66' 18163-2008  ARA1143 distance=66' 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 18138-2104 SLV 7 BD 331 40.8
Show 18138-2104 SLV 7 BE 106 64.4
Show Polis 18138-2104 H 5 7 AB 258 16.9 1
Show Polis 18138-2104 BU 292 AC 119 25.5 1
Show Polis 18138-2104 HJ 2822 AD 312 48.2 1
Show Polis 18138-2104 HJ 2822 AE 114 50.2 1
Show 18136-2101 GLP 13 245 25.0 3
Show 18140-2052 J 1622 45 7.7 14
Show 18146-2055 KPP1769 268 13.7 15
Show 18131-2119 ARA1522 341 14.9 18
Show 18124-2107 ARA1519 235 8.2 20
Show 18121-2054 ARA1139 123 10.6 26
Show 18155-2057 TDS 911 102 1.0 26
Show 18152-2044 TOK 59 AB 77 1.3 29
Show 18152-2044 SNA 82 Aa,Ab 203 0.0 29
Show 18152-2044 SNA 82 AC 356 2.3 29
Show 18152-2044 SNA 82 AD 108 7.1 29
Show 18116-2059 ARA1138 157 13.6 31
Show 18130-2134 ARA1521 172 12.9 33
Show 18162-2105 ARA1523 90 1.2 35
Show 18122-2130 ARA1518 112 13.2 35
Show 18128-2135 ARA1520 213 12.9 35
Show 18113-2111 ARA1516 274 13.4 36
Show 18131-2024 J 1621 AC 301 15.8 41
Show 18131-2024 ARA1141 AB 286 8.0 41
Show 18131-2024 SKF1038 CD 187 4.1 41
Show 18132-2144 I 631 166 1.5 41
Show 18128-2024 DON 886 205 4.9 42
Show 18112-2041 ARA1136 305 14.3 43
Show 18152-2023 CHR 255 Aa,Ab 156 0.1 46
Show 18152-2023 BU 286 AB 216 6.1 46
Show 18152-2023 SNA 83 AC 27 5.9 46
Show 18152-2023 SNA 83 AD 281 6.5 46
Show 18152-2023 SNA 83 AE 242 7.3 46
Show 18147-2147 B 2438 120 1.8 46
Show 18163-2137 BRT1523 175 4.3 50
Show 18166-2033 MCA 51 321 0.1 51
Show 18115-2023 ARA1137 334 4.1 51
Show 18163-2027 SKF1039 336 3.7 51
Show 18100-2105 TDT 719 300 2.7 52
Show 18133-2158 ARA1857 87 9.6 56
Show 18168-2027 ARA1144 336 9.7 56
Show 18120-2155 BRT1518 258 5.2 57
Show 18177-2120 BRT1525 179 4.4 58
Show 18141-2201 BRT1520 210 4.3 58
Show 18167-2022 SKF 99 141 3.0 59
Show 18173-2029 BHA 26 352 5.5 61
Show 18178-2039 ARA1146 351 11.0 61
Show 18157-2158 ARA1862 289 15.3 62
Show 18144-2207 OCC1074 -1 0.0 65
Show 18140-2208 ARA1858 39 13.5 66

 
 
WDS 18138-2104 : COMPONENTS
 
 
  A B C D
B pa=257.6°
sep=16.77"
 
C pa=121.0°
sep=24.22"
pa=103.4°
sep=38.18"
 
D pa=314.1°
sep=46.43"
pa=334.7°
sep=39.71"
pa=309.6°
sep=70.23"
 
E pa=115.8°
sep=47.44"
pa=106.1°
sep=61.50"
pa=110.4°
sep=23.43"
pa=124.8°
sep=92.68"
 
 
18138-2104 A
 
 
Common name Polis Coord arcsec 2000 181345.81-210331.8 Mag 3.85 Spectral class B8Iape (blue-white)
PmRA 0.00 PmDE -1.0 SAO 186497 HIP 89341
Tycho2 6276-03093-1 HD 166937 HR 6812 GC 24856
BD BD-21 4908 Bayer Mu Sagittarii Bayer name Mu Sgr Flamsteed 13 Sagittarii
Flamsteed name 13 Sgr FK5 682
Tycho2
Tycho2 6276-03093-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 4.043 E BTmag 0.014 VTmag 3.845
E VTmag 0.009 Prox 485 TYC T HIP 89341
CCDM RAdeg 273.44086806 DEdeg -21.05883056 EpRA 1990 1.83
EpDE 1990 1.78 E RAdeg 3.2 E DEdeg 3.5 Posflg
Corr 0.0
SAO
SAO 186497 DelFlag RA1950 PmRA1950 0.0002
DE1950 PmDE1950 0.001 Vmag 4 SpType B8p
Double code Source 74 CatNum 682 DM BD-21 4908
DMcomp BDsup HD 166937 M HD 0
GC 24856 RA1950rad 4.75939098 DE1950rad -0.36780614 PmRA2000 0.0002
PmDE2000 0.002
Hipparcos
Catalog H HIP 89341 Proxy RAhms 18 13 45.81
DEdms -21 03 31.8 Vmag 3.84 VarFlag 2 R Vmag T
RAdeg 273.441 DEdeg -21.0588 AstroRef Plx 0.11
CCDM 18138-2104 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 166937 BD BD-21 4908
CD CP Dm number -21 4908 VIred 0.38
SpType B2III: R SpType Coord arcsec 2000 181345.81-210331.8
Hipparcos 2
HIP 89341 Sn 5 So 0 Nc 1
RArad 4.7724434803 DErad -0.3675459292 Plx 0.09 PmRA 0.3
PmDE -0.48 E RArad 0.22 E DErad 0.16 E Plx 0.28
E pmRA 0.3 E pmDE 0.19 Hpmag 3.8729 E Hpmag 0.0055
SHp 0.034 VA 2 BV 0.195 E BV 0.005
VI 0.21
CCDM
Ccdm 18138-2104 RComp Comp A Note1
Note2 Discov num DRAs -1.96 DDEs 29.6
R dRAs 41 Year Theta Rho
Obs 5 Vmag 4.0 Sp B8 PmNote *
PmRA 2 PmDE 1 Dm number -21 4908 Cat1 BD
Name2 186497 Cat2 SAO HD 166937 M HD
ADS BDS A11169 M ADS BDS N IDS IDS 18078S2105A
HIC 89341
 
 
18138-2104 B
 
 
Coord arcsec 2000 181344.64-210335.4 Coord calc 181344.64-210335.4 Mag 10.48 Spectral class B9III (blue-white)
PmRA 2.00 PmDE -11.0 Calc delta mag 6.63
CCDM
Ccdm 18138-2104 RComp Comp B Note1
Note2 Discov num H 7 DRAs DDEs
R dRAs Year 1836 Theta 258 Rho 16.9
Obs 12 Vmag 11.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11169 M ADS BDS N N IDS IDS 18078S2105B
HIC
 
 
18138-2104 C
 
 
Coord arcsec 2000 181347.29-210344.3 Mag 12.8 PmRA 5.00 PmDE -5.0
Calc delta mag 8.95 Calc coord yes
CCDM
Ccdm 18138-2104 RComp Comp C Note1
Note2 Discov num BU 292 DRAs -0.54 DDEs 16.8
R dRAs 41 Year 1878 Theta 119 Rho 25.8
Obs 5 Vmag 13.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11169 M ADS BDS N IDS IDS 18078S2105C
HIC
 
 
18138-2104 D
 
 
Coord arcsec 2000 181343.43-210259.5 Mag 9.96 PmRA 1.00 PmDE 0.0
Calc delta mag 6.11 Calc coord yes
CCDM
Ccdm 18138-2104 RComp Comp D Note1
Note2 Discov num HJ 2822 DRAs -4.76 DDEs 61.8
R dRAs 41 Year 1835 Theta 312 Rho 48.5
Obs 11 Vmag 9.9 Sp B3 PmNote
PmRA PmDE Dm number -21 4907 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS A11169 M ADS BDS N IDS IDS 18078S2105D
HIC
 
 
18138-2104 E
 
 
Coord arcsec 2000 181348.86-210352.5 Mag 9.22 PmRA 3.00 PmDE -4.0
Calc delta mag 5.37 Calc coord yes
CCDM
Ccdm 18138-2104 RComp Comp E Note1
Note2 Discov num HJ 2822 DRAs 1.16 DDEs 8.2
R dRAs 41 Year 1835 Theta 115 Rho 50.0
Obs 10 Vmag 9.4 Sp PmNote
PmRA PmDE Dm number -21 4909 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS A11169 M ADS BDS N IDS IDS 18078S2105E
HIC