20205-2912 HJ 5188 AC

 
 
20h 20m 27.88s -29° 11' 50.0" P.A. 321.00 sep 27.3 mag 6.66,7.55 Sp A4/7V dist. 10.33 pc (33.7 l.y.)
 
 
Coord 2000 20205-2912 Discov num HJ 5188 Comp AC Coord arcsec 2000 20 20 27.88 -29 11 50.0
Date first 1834 Date last 2018 Obs 47
Pa first 323 Pa last 320.8 P.A. Now (θ) 320.8°
Sep first 25.0 Sep last 27.266 Sep. Now (ρ) 27.266"
Mag pri 6.66 Mag sec 7.55 delta mag (ΔM) 0.89 Spectral class A4/7V (white)
Pri motion ra -004 Sec motion ra -004
Pri motion dec -001 Sec motion dec -001
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20205-2912 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 193281 189164 20 20 28 -29 11 50 HJ 5188 AB 2015 46 38 3.7 6.66 10.13 3.47
Show 189164 20 20 28 -29 11 50 HJ 5188 AC 2018 47 321 27.3 6.66 7.55 0.89 <===
Show 189164 20 20 28 -29 11 50 HJ 5188 AD 2015 6 38 120.6 6.66 10.05 3.39
Show 20 20 28 -29 11 47 WIE 1 BF 1999 5 263 437.0 10.13 9.85 0.28
Show 20 20 34 -29 10 15 HJ 5188 DE 2016 28 186 4.7 10.05 9.98 0.07
Sextuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius SAO 189164 HIP 100286 Tycho2 6918-01823-1
Gaia DR2 6797587122396076928 HD 193256 HR 7764 GC 28267
ADS 13702 CD CD-2916980 CP CP-29 6276 Distance 10.33
Distance ly 33.7
 
 
WDS 20205-2912 HJ 5188 AC : NOTES
 
 
discov_num notes refcode
HJ 5188 B is BD-29@16981.
 
 
REFERENCES
 
 
refcode metd author reference
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.
Wie1953a Po j Wieth-Knudsen, N. 1953JO.....36..107W
Wie1953a J. Obs. 36, 107, 1953
Wie1953b orb - Wieth-Knudsen, N. 1953QB821.W57......
Wie1953b Ann. Obs. Lund 12, A18, 1953
Wie1956a orb - Wieth-Knudsen, N. .
Wie1956a Lunds Univ. Ars.N.F., A 2, 52, 12, 1956
Wie1956b Po - Wieth-Knudsen, N. 1956JO.....39..193W
Wie1956b J. Obs. 39, 193, 1956
Wie1956c Ma - Wieth-Knudsen, N. 1956JO.....39..201W
Wie1956c J. Obs. 39, 201, 1956
Wie1957 orb - Wieth-Knudsen, N. 1957IAUDS..13....1W
Wie1957 Inf. Circ. 13, 1, 1957
Wie1957b Po - Wieth-Knudsen, N. 1957JO.....40...93W
Wie1957b J. Obs. 40, 93, 1957
Wie1960 orb - Wieth-Knudsen, N. 1960AN....285..245W
Wie1960 AN 285, 245, 1960
Wie2017 Ma - Wieth-Knudsen, N. 2017JDSO...13...68W
Wie2017 JDSO 13, 68, 2017
Wie2017 private communication by widow in 2001, in USNO Library
Wie2017 (see also http://ad.usno.navy.mil/wds/wdstext.html#unpublished)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20205-2912 HJ 5188 AC 2006 42 321 27.3 6.66 7.55 N D 202027.88-291150.0
20205-2912 HJ 5188 AC 2010 43 320 27.2 6.66 7.55 N D 202027.88-291150.0
20205-2912 HJ 5188 AC 2015 45 321 27.2 6.66 7.55 A4/7V N 202027.88-291150.0
20205-2912 HJ 5188 AC 2018 47 321 27.3 6.66 7.55 A4/7V N 202027.88-291150.0

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WDS 20205-2912 HJ 5188 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20205-2912 HJ 5188 AC : MEASURES
 
 
No records found.

 
 
WDS 20205-2912 : VIRTUAL EYEPIECE
 
 

virtual eyepiece
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Radius:
Components only
 
 
WDS 20205-2912 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.