18042-2230 ARA 1842 DE

 
 
18h 04m 13.28s -22° 29' 25.1" P.A. 110.00 sep 12.6 mag 10.60,12.90 Sp A2V
 
 
Coord 2000 18042-2230 Discov num ARA1842 Comp DE Coord arcsec 2000 18 04 13.28 -22 29 25.1
Date first 1921 Date last 2020 Obs 8
Pa first 111 Pa last 110.1 P.A. Now (θ) 110.1°
Sep first 12.6 Sep last 12.58 Sep. Now (ρ) 12.58"
Mag pri 10.60 Mag sec 12.90 delta mag (ΔM) 2.3 Spectral class A2V (white)
Pri motion ra +006 Sec motion ra +011
Pri motion dec -002 Sec motion dec -002
Notes
rPM=0.447
Nature of this double is uncertain.
 
 
18042-2230 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 164863 18 04 13 -22 30 03 S 698 AB 2015 19 316 29.7 7.22 8.52 1.30
Show 18 04 13 -22 30 03 WFC 289 AD 2015 5 13 39.2 7.22 10.74 3.52
Show 18 04 11 -22 29 42 B 1875 BC 2002 3 236 0.5 8.52 13.20 4.68
Show 18 04 13 -22 29 25 ARA 1842 DE 2020 8 110 12.6 10.60 12.90 2.30 <===
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Gaia DR2 4069668571696511616
 
 
WDS 18042-2230 ARA 1842 DE : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ara1961 Pa - Aravamudan, S. 1961PASP...73..266A
Ara1961 PASP 73, 266, 1961
Ara1963 Pa - Aravamudan, S. .
Ara1963 Pub. Nizamiah Obs. 13, Pt.3, 1963
B__1921a orb - van den Bos, W.H. 1921MNRAS..81..474V
B__1921a MNRAS 81, 474, 1921
B__1921b orb - van den Bos, W.H. .
B__1921b Proc. Amsterdam Acad. 30, 72, 1921
B__1923a Po j van den Bos, W.H. 1923BAN.....1..193V
B__1923a BAN 1, 193, 1923
B__1923b orb - van den Bos, W.H. 1923BAN.....2...25V
B__1923b BAN 2, 25, 1923
B__1923c orb - van den Bos, W.H. 1923BAN.....2...29V
B__1923c BAN 2, 29, 1923
B__1925a Ma j van den Bos, W.H. 1925AnLei..143...1V
B__1925a Ann. Leiden Obs. 14, Pt.3, 1925
B__1925b Ma j van den Bos, W.H. 1925BAN.....2..197V
B__1925b +Po BAN 2, 197, 1925
B__1926a orb - van den Bos, W.H. 1926BAN.....3..127V
B__1926a BAN 3, 127, 1926
B__1926b orb - van den Bos, W.H. 1926BAN.....3..128V
B__1926b BAN 3, 128, 1926
B__1927a orb - van den Bos, W.H. 1927BAN.....3..261V
B__1927a BAN 3, 261, 1927
B__1927b - van den Bos, W.H. 1927BAN.....4...45V
B__1927b BAN 4, 45, 1927
B__1927b (4th list of new southern double stars; precise measures in later references)
B__1927c Ma - van den Bos, W.H. 1927BAN.....4..109V
B__1927c BAN 4, 109, 1927
B__1927c (5th list of new southern double stars; precise measures in later references)
B__1927D Ma - van den Bos, W.H. 1927sdsc.book......
B__1927D cited in SDS (Southern Double Star Cat.), 1927
B__1928a Ma - van den Bos, W.H. 1928BAN.....4..235V
B__1928a BAN 4, 235, 1928
B__1928a (6th list of new southern double stars; precise measures in later references)
B__1928b Ma j van den Bos, W.H. 1928AnLei..144...1V
B__1928b Ann. Leiden Obs. 14, Pt.4, 1928
B__1928c Ma - van den Bos, W.H. 1928MNRAS..88..488F
B__1928c MNRAS 88, 488, 1928
B__1928d Ma j van den Bos, W.H. 1928CiUO...78...13V
B__1928d Union Obs. Johannesburg Circ. 78, 13, 1928
B__1928e orb - van den Bos, W.H. .
B__1928e Mem. Copenhagen Acad. 12, 2, 1928
B__1929a Ma j van den Bos, W.H. 1929CiUO...80...59V
B__1929a Union Obs. Johannesburg Circ. 80, 59, 1929
B__1929b orb - van den Bos, W.H. 1929CiUO...79...49V
B__1929b Union Obs. Johannesburg Circ. 79, 49, 1929
B__1929c Ma - van den Bos, W.H. 1929BAN.....5..125V
B__1929c BAN 5, 125, 1929
B__1930a Ma j van den Bos, W.H. 1930CiUO...83..135V
B__1930a Union Obs. Johannesburg Circ. 83, 135, 1930
B__1930b Ma - van den Bos, W.H. 1930BAN.....5..179V
B__1930b BAN 5, 179, 1930
B__1930c Ma - van den Bos, W.H. 1930BAN.....5..183V
B__1930c BAN 5, 183, 1930
B__1931a Ma - van den Bos, W.H. 1931MNRAS..92...19F
B__1931a MNRAS 92, 19, 1931
B__1931b Ma - van den Bos, W.H. 1931CiUO...85..183V
B__1931b Union Obs. Johannesburg Circ. 85, 183, 1931
B__1932a Ma j van den Bos, W.H. 1932CiUO...87..273V
B__1932a Union Obs. Johannesburg Circ. 87, 273, 1932
B__1932b Ma j van den Bos, W.H. 1932CiUO...88..324V
B__1932b Union Obs. Johannesburg Circ. 88, 324, 1932
B__1932C Ma - van den Bos, W.H. 1932QB821.A43......
B__1932C cited in ADS (Aitken Double Star Cat.), 1932
B__1933a Ma - van den Bos, W.H. 1933BAN.....7....1V
B__1933a BAN 7, 1, 1933
B__1933b J - van den Bos, W.H. 1933CiUO...90..379V
B__1933b Union Obs. Johannesburg Circ. 90, 379, 1933
B__1933c orb - van den Bos, W.H. 1933CiUO...90..388V
B__1933c Union Obs. Johannesburg Circ. 90, 388, 1933
B__1933d Ma j van den Bos, W.H. 1933CiUO...90..401V
B__1933d Union Obs. Johannesburg Circ. 90, 401, 1933
B__1934a Ma - van den Bos, W.H. 1934CiUO...92...61V
B__1934a Union Obs. Johannesburg Circ. 92, 61, 1934
B__1934b orb - van den Bos, W.H. 1934CiUO...92..102V
B__1934b Union Obs. Johannesburg Circ. 92, 102, 1934
B__1935a Ma j van den Bos, W.H. 1935CiUO...94..134V
B__1935a +J Union Obs. Johannesburg Circ. 93, 134, 1935
B__1935b orb - van den Bos, W.H. 1935CiUO...94..148V
B__1935b Union Obs. Johannesburg Circ. 94, 148, 1935
B__1935c Ma j van den Bos, W.H. 1935CiUO...94..149V
B__1935c Union Obs. Johannesburg Circ. 94, 149, 1935
B__1935D orb - van den Bos, W.H. 1935QB821.A3.......
B__1935D letter cited by Aitken, The Binary Stars, 1935
B__1936a orb - van den Bos, W.H. 1936CiUO...96..231V
B__1936a Union Obs. Johannesburg Circ. 96, 231, 1936
B__1936b Ma j van den Bos, W.H. 1936CiUO...96..234V
B__1936b Union Obs. Johannesburg Circ. 96, 234, 1936
B__1937a orb - van den Bos, W.H. 1937CiUO...98..341V
B__1937a Union Obs. Johannesburg Circ. 98, 341, 1937
B__1937b Ma - van den Bos, W.H. 1937CiUO...98..362V
B__1937b Union Obs. Johannesburg Circ. 98, 362, 1937
B__1938a orb - van den Bos, W.H. 1938CiUO...99..445V
B__1938a Union Obs. Johannesburg Circ. 99, 445, 1938
B__1938d orb - van den Bos, W.H. 1938CiUO..100..480V
B__1938d Union Obs. Johannesburg Circ. 100, 480, 1938
B__1938e Ma j van den Bos, W.H. 1938CiUO..100..481V
B__1938e Union Obs. Johannesburg Circ. 100, 481, 1938
B__1940 orb - van den Bos, W.H. 1940CiUO..102...49V
B__1940 Union Obs. Johannesburg Circ. 102, 49, 1940
B__1943A Ma - van den Bos, W.H. 1943AJ.....50..139A
B__1943A cited by Alden (1943 AJ 50, 139)
B__1941 orb - van den Bos, W.H. 1941CiUO..104...73V
B__1941 Union Obs. Johannesburg Circ. 104, 73, 1941
B__1945 orb - van den Bos, W.H. 1945AJ.....51..198V
B__1945 AJ 51, 198, 1945
B__1947 Ma - van den Bos, W.H. 1947CiUO..105..134V
B__1947 Union Obs. Johannesburg Circ. 105, 134, 1947
B__1947b Po j van den Bos, W.H. (in Voute et al.) 1947AnBos...6....3V
B__1947b Ann. Bosscha Obs. Lembang 6, Pt.3, C1, 1947
B__1948 Ma - van den Bos, W.H. 1948CiUO..107..259V
B__1948 Union Obs. Johannesburg Circ. 107, 259, 1948
B__1949a orb - van den Bos, W.H. 1949CiUO..108..310V
B__1949a Union Obs. Johannesburg Circ. 108, 310, 1949
B__1949b orb - van den Bos, W.H. 1949CiUO..108..311V
B__1949b Union Obs. Johannesburg Circ. 108, 311, 1949
B__1949c Ma j van den Bos, W.H. 1949CiUO..108..312V
B__1949c Union Obs. Johannesburg Circ. 108, 312, 1949
B__1950a orb - van den Bos, W.H. 1950CiUO..109..366V
B__1950a Union Obs. Johannesburg Circ. 109, 366, 1950
B__1950b orb - van den Bos, W.H. 1950CiUO..109..370V
B__1950b Union Obs. Johannesburg Circ. 109, 370, 1950
B__1950c Ma - van den Bos, W.H. 1950CiUO..109..371V
B__1950c Union Obs. Johannesburg Circ. 109, 371, 1950
B__1951a Ma j van den Bos, W.H. 1951CiUO..111...13V
B__1951a +J Union Obs. Johannesburg Circ. 111, 13, 1951
B__1951b orb - van den Bos, W.H. 1951CiUO..111...11V
B__1951b Union Obs. Johannesburg Circ. 111, 11, 1951
B__1951c orb - van den Bos, W.H. 1951CiUO..112..143V
B__1951c Union Obs. Johannesburg Circ. 112, 143, 1951
B__1951d - van den Bos, W.H. 1951JO.....34...85V
B__1951d J. Obs. 34, 85, 1951
B__1953a Ma - van den Bos, W.H. 1953CiUO..113..185V
B__1953a Union Obs. Johannesburg Circ. 113, 185, 1953
B__1953b orb - van den Bos, W.H. 1953CiUO..113..209V
B__1953b Union Obs. Johannesburg Circ. 113, 209-219, 1953 1953MNSSA..12...19V
B__1953b (also MNASSA 12, 19, 1953; MNASSA 12, 57, 1953) 1953MNSSA..12...57V
B__1954 orb - van den Bos, W.H. 1954CiUO..114..235V
B__1954 Union Obs. Johannesburg Circ. 114, 235, 1954
B__1956a Ma - van den Bos, W.H. 1956CiUO..115..266V
B__1956a +J Union Obs. Johannesburg Circ. 115, 266, 1956
B__1956b orb - van den Bos, W.H. 1956CiUO..115..279V
B__1956b Union Obs. Johannesburg Circ. 115, 279-284, 1956
B__1956c orb - van den Bos, W.H. 1956MNSSA..15...39V
B__1956c MNASSA 15, 39, 1956
B__1957a orb - van den Bos, W.H. 1957CiUO..116..289V
B__1957a Union Obs. Johannesburg Circ. 116, 289-291, 1957
B__1957b Ma - van den Bos, W.H. 1957CiUO..116..291V
B__1957b Union Obs. Johannesburg Circ. 116, 291, 1957
B__1958 Ma - van den Bos, W.H. 1958AJ.....63...63V
B__1958 AJ 63, 63, 1958
B__1959a Mb j van den Bos, W.H. 1959ApJS....4...45V
B__1959a ApJS 4, 45, 1959
B__1959b orb - van den Bos, W.H. 1959JO.....42...79V
B__1959b J. Obs. 42, 79, 1959
B__1959c orb - van den Bos, W.H. 1959JO.....42...93V
B__1959c J. Obs. 42, 93, 1959
B__1959d Ma - van den Bos, W.H. 1959CiUO..118..308V
B__1959d Union Obs. Johannesburg Circ. 118, 308, 1959
B__1959e orb - van den Bos, W.H. 1959CiUO..118..311V
B__1959e Union Obs. Johannesburg Circ. 118, 311-312, 1959
B__1960a Ma - van den Bos, W.H. 1960CiUO..119..321V
B__1960a Union Obs. Johannesburg Circ. 119, 321, 1960
B__1960b Ma j van den Bos, W.H. 1960PYerO...9....1B
B__1960b +Mb Pub. Yerkes Obs. 9, pt. 1, 1960
B__1960c orb - van den Bos, W.H. 1960JO.....43..145V
B__1960c J. Obs. 43, 145, 1960
B__1960d orb - van den Bos, W.H. 1960JO.....43..152V
B__1960d J. Obs. 43, 152, 1960
B__1960e orb - van den Bos, W.H. 1960CiUO..119..359V
B__1960e Union Obs. Johannesburg Circ. 119, 339-340, 1960
B__1960f orb - van den Bos, W.H. 1960CiUO..119..341V
B__1960f Union Obs. Johannesburg Circ. 119, 341-343, 1960
B__1961a Ma - van den Bos, W.H. 1961CiUO..120..353V
B__1961a Union Obs. Johannesburg Circ. 120, 353, 1961
B__1961b orb - van den Bos, W.H. 1961CiUO..120..374V
B__1961b Union Obs. Johannesburg Circ. 120, 374-375, 1961
B__1961c orb - van den Bos, W.H. 1961CiUO..120..377V
B__1961c Union Obs. Johannesburg Circ. 120, 377-379, 1961
B__1961d orb - van den Bos, W.H. 1961CiUO..120..380V
B__1961d Union Obs. Johannesburg Circ. 120, 380-381, 1961
B__1961e orb - van den Bos, W.H. 1961PASP...74..201V
B__1961e PASP 74, 201, 1961
B__1962a Ma - van den Bos, W.H. 1962AJ.....67..141V
B__1962a AJ 67, 141, 1962
B__1962b orb - van den Bos, W.H. 1962AJ.....67..552V
B__1962b AJ 67, 552, 1962
B__1962c orb - van den Bos, W.H. 1962JO.....45...55V
B__1962c J. Obs. 45, 55, 1962
B__1962d Ma j van den Bos, W.H. 1962AJ.....67..555V
B__1962d AJ 67, 555, 1962
B__1963a Ma - van den Bos, W.H. 1963AJ.....68...57V
B__1963a AJ 68, 57, 1963
B__1963b Ma j van den Bos, W.H. 1963AJ.....68..582V
B__1963b AJ 68, 582, 1963
B__1964a orb - van den Bos, W.H. 1964ROCi..123...62V
B__1964a Republic Obs. Circ. 123, 62, 1964
B__1964b orb - van den Bos, W.H. 1964JO.....47...34V
B__1964b J. Obs. 47, 34, 1964
B__1965a Ma - van den Bos, W.H. 1965ROCi..124...70V
B__1965a Republic Obs. Circ. 124, 70, 1965
B__1965b orb - van den Bos, W.H. 1965ROCi..124...86V
B__1965b Republic Obs. Circ. 124, 86, 1965
B__1966a Ma - van den Bos, W.H. 1966ROCi..125...93V
B__1966a Republic Obs. Circ. 125, 93, 1966
B__1966b orb - van den Bos, W.H. 1966ROCi..125..112V
B__1966b Republic Obs. Circ. 125, 112, 1966
B__1966c orb - van den Bos, W.H. 1966ROCi..125..118V
B__1966c Republic Obs. Circ. 125, 118, 1966
B__1966d orb - van den Bos, W.H. 1966ROCi..125..119V
B__1966d Republic Obs. Circ. 125, 119-120, 1966
B__1967 Ma - van den Bos, W.H. 1967ROCi..126..127V
B__1967 Republic Obs. Circ. 126, 127, 1967
B__1967b orb - van den Bos, W.H. 1967JO.....13..119V
B__1967b J. Obs. 13, 119, 1967
B__1968 Ma - van den Bos, W.H. 1968ROCi..127..157V
B__1968 Republic Obs. Circ. 127, 157, 1968
B__9999 Ma - van den Bos, W.H. ...................
B__9999 Unpublished, manuscript or reference not found.
S__1826 Ma - South, J. 1826RSPT..116....1S
S__1826 Phil. Trans. R. Soc., 116, Pt.1, 1826
S__1844A Ma - South, J. 1844QB43.S66.......
S__1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
S__1852A Ma - South, J. .
S__1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
S__1880A Ma - South, J. 1880MNRAS..40..497B
S__1880A cited by Burnham (MNRAS 40, 497, 1880)
S__1906A Ma - South, J. 1906MmRAS..56....1L
S__1906A cited by Lewis (MemRAS 56, 1, 1906)
S__1906B Ma - South, J. 1906QB821.B972.....
S__1906B cited in BDS (Burnham Double Star Cat., 1906)
S__1913A Ma - South, J. 1913QB811.B8.......
S__1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
S__1922A Ma - South, J. 1922AN....216...49R
S__1922A cited by Rabe (AN 216, 49, 1922)
WFC (Washington Fundamental Cat. - astrographs)
WFC1939 Pa - Schlesinger, F. & Barney, I. 1939TOYal..11....1S
WFC1939 Trans. Astron. Obs. Yale Univ., 11, 1, 1939 (-10 to -14 deg zones)
WFC1940a Pa - Schlesinger, F. & Barney, I. 1940TOYal..12a...1S
WFC1940a Trans. Astron. Obs. Yale Univ., 12a, 1, 1940 (-14 to -18 deg zones)
WFC1940b Pa - Schlesinger, F. & Barney, I. 1940TOYal..12b...1S
WFC1940b Trans. Astron. Obs. Yale Univ., 12b, 1, 1940 (-18 to -20 deg zones)
WFC1943a Pa - Schlesinger, F. & Barney, I. 1943TOYal..13a...1S
WFC1943a Trans. Astron. Obs. Yale Univ., 13a, 1, 1943 (-20 to -22 deg zones)
WFC1943b Pa - Schlesinger, F. & Barney, I. 1943TOYal..13b...1S
WFC1943b Trans. Astron. Obs. Yale Univ., 13b, 1, 1943 (-27 to -30 deg zones)
WFC1943c Pa - Schlesinger, F. & Barney, I. 1943TOYal..14....1S
WFC1943c Trans. Astron. Obs. Yale Univ., 14, 1, 1943 (-22 to -27 deg zones)
WFC1945a Pa - Barney, I. 1945TOYal..16....1B
WFC1945a Trans. Astron. Obs. Yale Univ., 16, 1, 1945 (-06 to -10 deg zones)
WFC1945b Pa - Barney, I. 1945TOYal..17....1B
WFC1945b Trans. Astron. Obs. Yale Univ., 17, 1, 1945 (-02 to -06 deg zones)
WFC1947 Pa - Barney, I. 1947TOYal..18....1B
WFC1947 Trans. Astron. Obs. Yale Univ., 18, 1, 1947 (+15 to +20 deg zones)
WFC1948 Pa - Barney, I. 1948TOYal..19....1B
WFC1948 Trans. Astron. Obs. Yale Univ., 19, 1, 1948 (+09 to +15 deg zones)
WFC1949 Pa - Barney, I. 1949TOYal..20....1B
WFC1949 Trans. Astron. Obs. Yale Univ., 20, 1, 1949 (+01 to +05 deg zones)
WFC1950a Pa - Baillaud, J. .
WFC1950a Paris Obs., 1950 (+17 to +25 deg zones)
WFC1950b Pa - Barney, I. 1950TOYal..21....1B
WFC1950b Trans. Astron. Obs. Yale Univ., 21, 1, 1950 (+01 to -02 deg zones)
WFC1950c Pa - Barney, I. 1950TOYal..22A...1B
WFC1950c Trans. Astron. Obs. Yale Univ., 22, 1, 1950 (+05 to +09 deg zones)
WFC1953 Pa - Barney, I. 1953TOYal..24....1B
WFC1953 Trans. Astron. Obs. Yale Univ., 24, 1, 1954 (+25 to +30 deg zones)
WFC1954a Pa - Jackson, J. & Stoy R.H. 1954AnCap..17.....J
WFC1954a Ann. Cape Obs. London 17, 1954
WFC1954a Cape Photographic Catalogue for 1950.0., Vol. 17: Zone -30 deg to -35 deg
WFC1954b Pa - Jackson, J. & Stoy R.H. 1954AnCap..18.....J
WFC1954b Ann. Cape Obs. London 18, 1954
WFC1954b Cape Photographic Catalogue for 1950.0., Vol. 18: Zone -35 deg to -40 deg
WFC1954c Pa - Barney, I. 1954TOYal..25....1B
WFC1954c Trans. Astron. Obs. Yale Univ., 25, 1, 1954 (+20 to +25 deg zones)
WFC1954d Pa - Barney, I., Hoffleit, D., & Jones, R.B. 1954TOYal..26....1B
WFC1954d Trans. Astron. Obs. Yale Univ., 26, 1, 1954 (+85 to +90 deg zones)
WFC1955 Pa - Jackson, J. & Stoy R.H. 1955AnCap..19.....J
WFC1955 Ann. Cape Obs. London 19, 1955
WFC1955 Cape Photographic Catalogue for 1950.0., Vol. 19: Zone -52 deg to -56 deg
WFC1958a Pa - Schorr, R. & Kohlschuetter, A. .
WFC1958a AGK2 Cat. North of -2.5 deg, Vol. 1-15, 1958 (Bergedorf)
WFC1958b Pa - Schorr, R. & Kohlschuetter, A. .
WFC1958b AGK2 Cat. North of -2.5 deg, Vol. 1-15, 1958 (Bonn)
WFC1958c Pa - Jackson, J. & Stoy R.H. 1958AnCap..20..155J
WFC1958c Ann. Cape Obs. London, 20, 155, 1958
WFC1958c Cape Photographic Catalogue for 1950.0. Vol. 20: Zones -56 to -60 deg
WFC1958d Pa - Jackson, J. & Stoy R.H. 1958AnCap..20..155J
WFC1958d Ann. Cape Obs., London, 20, 155, 1958
WFC1958d Cape Photographic Catalogue for 1950.0. Vol. 20: Zones -60 to -64 deg
WFC1959a Pa - Barney, I., Hoffleit, D., & Jones, R.B. 1959TOYal..26....1B
WFC1959a Trans. Astron. Obs. Yale Univ., 26, 1, 1959 (+50 to +55 deg zones)
WFC1959b Pa - Barney, I., Hoffleit, D., & Jones, R.B. 1959TOYal..27....1B
WFC1959b Trans. Astron. Obs. Yale Univ., 27, 1, 1959 (+55 to +60 deg zones)
WFC1966a Pa - Stoy R.H. 1966AnCap..21....0S
WFC1966a Ann. Cape Obs. London, 21, 1966
WFC1966a Cape Photographic Catalogue for 1950.0. Vol. 21: Zones -64 to -68 deg
WFC1966b Pa - Stoy R.H. 1966AnCap..21....0S
WFC1966b Ann. Cape Obs. London, 21, 1966
WFC1966b Cape Photographic Catalogue for 1950.0. Vol. 21: Zones -68 to -72 deg
WFC1966c Pa - Stoy R.H. 1966AnCap..21....0S
WFC1966c Ann. Cape Obs. London, 21, 1966
WFC1966c Cape Photographic Catalogue for 1950.0. Vol. 21: Zones -72 to -76 deg
WFC1966d Pa - Stoy R.H. 1966AnCap..21....0S
WFC1966d Ann. Cape Obs. London, 21, 1966
WFC1966d Cape Photographic Catalogue for 1950.0. Vol. 21: Zones -76 to -80 deg
WFC1967 Pa - Hoffleit, D. 1967TOYal..28....1H
WFC1967 Trans. Astron. Obs. Yale Univ., 28, 1, 1967 (-30 to -35 deg zones)
WFC1968a Pa - Stoy R.H. 1968AnCap..22..125S
WFC1968a Ann. Cape Obs., London, 22, 125, 1968
WFC1968a Cape Photographic Catalogue for 1950.0. Vol. 22: Zones -80 to -89 deg
WFC1968b Pa - Hoffleit, D. 1968TOYal..29....1H
WFC1968b Trans. Astron. Obs. Yale Univ., 29, 1, 1968 (-35 to -40 deg zones)
WFC1970 Pa - Hoffleit, D., Eckert, D., Lu, P., & Paranya, K. 1970TOYal..30....1H
WFC1970 Trans. Astron. Obs. Yale Univ., 30, 1, 1970 (-40 to -50 deg zones)
WFC1971 Pa - Lu, P.K. 1971TOYal..31....1L
WFC1971 Trans. Astron. Obs. Yale Univ., 31, 1, 1971 (-70 to -90 deg zones)
WFC1975 Pa - Dieckvoss, W. .
WFC1975 AGK3 Cat. North of -2.5 deg dec, Vol. 1-8, 1975
WFC1983a Pa - Eichhorn, H., Googe, W.D., Lukac, C.F., & Murphy, J.K. 1983AJ.....88..546E
WFC1983a AJ 88, 546, 1983 (Sydney Obs. -48 to -54 deg zones)
WFC1983b Pa - King, D.S. & Lomb, N.R. 1983RSNSW.116...53K
WFC1983b Journal & Proc., Royal Soc. New South Wales 116, 53-70, 1983
WFC1983b (Sydney Obs. -51 to -63.5 deg zones)
WFC1983c Pa - Fallon, F.W. & Hoffleit, D. 1983TrAOY..32....1F
WFC1983c Trans. Astron. Obs. Yale Univ., 32, 1, 1983 (-60 to -70 deg zones)
WFC1992 Pa - Zacharias, N., de Vegt, C., Nicholson, W., & Penston, M.J. 1992A&A...254..397Z
WFC1992 A&A 254, 397, 1992 (CPC2)
WFC1994 Pa - Bystrov, N.F., Polojentsev, D.D, Potter, H.I., Yagudin, L.I., & Zallez, R.F. 1994BICDS..44....3B
WFC1994 Bull. Inf. CDS 44, 3, 1994 (FOKAT)
WFC1998 Pa j Urban, S.E., Corbin, T.E., Wycoff, G.L., Martin, J.C., Jackson, E.S., 1998AJ....115.1212U
WFC1998 Zacharias, M.I., & Hall, D.M.
WFC1998 AJ 115, 1212, 1998 (Astrographic Cat. 2000)
WFC1999 Pa - Zacharias, N. & Zacharias, M.I. 1999AJ....118.2503Z
WFC1999 AJ 118, 2503, 1999
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18042-2230 ARA1842 DE 1999 4 110 12.6 10.60 12.90 D 180413.28-222925.1
18042-2230 ARA1842 DE 2015 7 111 12.6 10.60 12.90 A2V 180413.28-222925.1
18042-2230 ARA1842 DE 2020 8 110 12.6 10.60 12.90 A2V 180413.28-222925.1

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WDS 18042-2230 ARA 1842 DE : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18042-2230 ARA 1842 DE : MEASURES
 
 
No records found.

 
 
WDS 18042-2230 : VIRTUAL EYEPIECE
 
 

18042-2230 S   698A mag 7.22 Sp O 18042-2230 B  1875B sep 29.7 P.A. 315.60 mag 8.52 Sp B0V 18042-2230 B  1875C sep 29.8 P.A. 314.70 mag 13.2 Sp A3V 18042-2230 ARA1842D sep 39.1 P.A. 13.10 mag 10.6 Sp A2V 18042-2230 ARA1842E sep 39.1 P.A. 30.40 mag 12.9 virtual eyepiece
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Radius:
Components only
 
 
WDS 18042-2230 : ALADIN DSS IMAGE @ 18h 04m 13.28s -22° 29' 25.1"
 
 
 
 
WDS 18042-2230 ARA 1842 DE : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18042-2230  ARA1842DE distance=0' 18042-2230  B  1875BC distance=1' 18042-2230  S   698AB distance=1' 18042-2230  WFC 289AD distance=1' 18041-2230  ARA1841 distance=2' 18042-2231  ARA1843 distance=2' 18043-2239  LYS  32 distance=10' 18034-2237  ARA1839 distance=14' 18030-2233  ARA1838BC distance=17' 18030-2233  ARA1838AB distance=17' 18030-2233  ABH  93AD distance=17' 18030-2233  ABH  93AE distance=17' 18030-2233  ABH  93AF distance=17' 18030-2233  ABH  93AG distance=17' 18030-2233  ABH  93AH distance=17' 18030-2233  ABH  93AI distance=17' 18030-2233  ABH  93AJ distance=17' 18039-2247  ARA1840 distance=19' 18039-2250  B  2430 distance=22' 18030-2243  RSS 468 distance=22' 18060-2238  BRT1513 distance=26' 18058-2212  ARA1844 distance=29' 18030-2252  TDS 898 distance=29' 18061-2207  B  1877 distance=35' 18054-2300  LYS  33AB distance=36' 18054-2300  SNA  80AC distance=36' 18054-2300  SNA  80AD distance=36' 18054-2300  SNA  80AE distance=36' 18068-2228  LYS  34 distance=36' 18033-2156  TDT 656 distance=36' 18019-2247  BU  283AB distance=37' 18019-2247  BU  283AC distance=37' 18019-2247  FOX9030AD distance=37' 18015-2221  ARA1836 distance=39' 18018-2208  ARA1837 distance=40' 18071-2224  LYS  35AB distance=41' 18071-2224  TDT 690Ba,Bb distance=41' 18024-2302  H N  40AB distance=42' 18024-2302  H N   6AC distance=42' 18024-2302  TRN  26AH distance=42' 18024-2302  H N   6AE distance=42' 18024-2302  HLD 175AF distance=42' 18024-2302  H N   6AG distance=42' 18024-2302  SNA  77Aa,Ab distance=42' 18024-2302  SNA  77AI distance=42' 18024-2302  SNA  77AJ distance=42' 18024-2302  H N   6CD distance=42' 18024-2302  H N   6CE distance=42' 18024-2302  H N   6CF distance=42' 18024-2302  H N   6CG distance=42' 18027-2306  RST3151 distance=43' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 18042-2230 ARA1842 DE 110 12.6
Show 18042-2230 B 1875 BC 236 0.5 1
Show 18042-2230 S 698 AB 316 29.7 1
Show 18042-2230 WFC 289 AD 13 39.2 1
Show 18041-2230 ARA1841 33 7.5 2
Show 18042-2231 ARA1843 338 11.3 2
Show 18043-2239 LYS 32 12 23.9 10
Show 18034-2237 ARA1839 42 12.4 14
Show 18030-2233 ARA1838 BC 121 8.6 17
Show 18030-2233 ARA1838 AB 138 8.3 17
Show 18030-2233 ABH 93 AD 354 34.1 17
Show 18030-2233 ABH 93 AE 159 40.7 17
Show 18030-2233 ABH 93 AF 186 66.0 17
Show 18030-2233 ABH 93 AG 222 24.9 17
Show 18030-2233 ABH 93 AH 255 28.4 17
Show 18030-2233 ABH 93 AI 234 73.3 17
Show 18030-2233 ABH 93 AJ 284 104.1 17
Show 18039-2247 ARA1840 267 8.0 19
Show 18039-2250 B 2430 7 8.8 22
Show 18030-2243 RSS 468 288 11.4 22
Show 18060-2238 BRT1513 56 4.4 26
Show 18058-2212 ARA1844 137 13.0 29
Show 18030-2252 TDS 898 116 2.0 29
Show 18061-2207 B 1877 230 0.5 35
Show 18054-2300 LYS 33 AB 289 35.2 36
Show 18054-2300 SNA 80 AC 21 5.6 36
Show 18054-2300 SNA 80 AD 186 5.6 36
Show 18054-2300 SNA 80 AE 184 7.8 36
Show 18068-2228 LYS 34 114 5.7 36
Show 18033-2156 TDT 656 268 1.0 36
Show 18019-2247 BU 283 AB 238 8.3 37
Show 18019-2247 BU 283 AC 33 13.6 37
Show 18019-2247 FOX9030 AD 265 24.5 37
Show 18015-2221 ARA1836 20 8.4 39
Show 18018-2208 ARA1837 289 12.8 40
Show 18071-2224 LYS 35 AB 80 18.6 41
Show 18071-2224 TDT 690 Ba,Bb 68 0.5 41
Show 18024-2302 H N 40 AB 20 6.2 42
Show 18024-2302 H N 6 AC 212 10.7 42
Show 18024-2302 TRN 26 AH 345 1.5 42
Show 18024-2302 H N 6 AE 205 16.2 42
Show 18024-2302 HLD 175 AF 108 22.1 42
Show 18024-2302 H N 6 AG 212 40.7 42
Show 18024-2302 SNA 77 Aa,Ab 248 0.0 42
Show 18024-2302 SNA 77 AI 43 3.1 42
Show 18024-2302 SNA 77 AJ 165 6.5 42
Show 18024-2302 H N 6 CD 280 2.4 42
Show 18024-2302 H N 6 CE 191 6.0 42
Show 18024-2302 H N 6 CF 85 26.8 42
Show 18024-2302 H N 6 CG 212 30.0 42
Show 18027-2306 RST3151 32 1.3 43

 
 
WDS 18042-2230 : COMPONENTS
 
 
  A B C D
B pa=315.6°
sep=29.69"
 
C pa=314.7°
sep=29.75"
pa=233.4°
sep=0.45"
 
D pa=13.1°
sep=39.12"
pa=60.3°
sep=34.14"
pa=60.2°
sep=34.58"
 
E pa=30.4°
sep=39.14"
pa=72.8°
sep=42.48"
pa=72.6°
sep=42.90"
pa=111.6°
sep=11.74"
 
 
18042-2230 A
 
 
Name HD 164863 Coord arcsec 2000 180412.64-223003.2 Mag 7.22 Spectral class O (blue)
PmRA 0.00 PmDE -4.0 Tycho2 6842-00246-1 HD 164863
Tycho2
Tycho2 6842-00246-1 Pflag RAmdeg 271.05267437 DEmdeg -22.50091028
PmRA -0.4 PmDE -4.4 E RAmdeg 4 E DEmdeg 5
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.65 EpDEm 1991.46
Num 11 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 1.1 BTmag 7.171 E BTmag 0.015 VTmag 7.224
E VTmag 0.011 Prox 297 TYC T HIP
CCDM RAdeg 271.05267528 DEdeg -22.50090000 EpRA 1990 1.90
EpDE 1990 1.83 E RAdeg 4.0 E DEdeg 5.0 Posflg
Corr -0.2
CCDM
Ccdm 18042-2230 RComp Comp A Note1
Note2 Discov num DRAs 0.79 DDEs -2.7
R dRAs 43 Year Theta Rho
Obs 9 Vmag 7.9 Sp B0 PmNote *
PmRA -5 PmDE -2 Dm number -22 4541 Cat1 BD
Name2 186216 Cat2 SAO HD 164863 M HD
ADS BDS B 8307 M ADS BDS N IDS IDS 17582S2230A
HIC
 
 
18042-2230 B
 
 
Coord arcsec 2000 180411.14-222942.0 Coord calc 180411.14-222942.0 Mag 8.52 Spectral class B0V (blue-white)
PmRA 0.00 PmDE 1.0 Tycho2 6263-00104-1 HD 313693
Calc delta mag 1.3
Tycho2
Tycho2 6263-00104-1 Pflag RAmdeg 271.04638446 DEmdeg -22.49502076
PmRA -14.7 PmDE -3.4 E RAmdeg 7 E DEmdeg 8
E pmRA 2.9 E pmDE 2.9 EpRAm 1991.86 EpDEm 1991.79
Num 3 Q RAmdeg 3.3 Q DEmdeg 0.5 Q pmRA 3.3
Q pmDE 0.4 BTmag 8.437 E BTmag 0.017 VTmag 8.517
E VTmag 0.015 Prox 297 TYC T HIP
CCDM RAdeg 271.04642000 DEdeg -22.49501306 EpRA 1990 1.94
EpDE 1990 1.90 E RAdeg 6.6 E DEdeg 8.3 Posflg
Corr -0.2
CCDM
Ccdm 18042-2230 RComp Comp B Note1
Note2 Discov num S 698 DRAs -0.70 DDEs 19.7
R dRAs 43 Year 1984 Theta 315 Rho 30.6
Obs 3 Vmag 8.8 Sp B8 PmNote *
PmRA 50 PmDE 47 Dm number -22 4538 Cat1 BD
Name2 186215 Cat2 SAO HD M HD
ADS BDS B 8307 M ADS BDS N IDS IDS 17582S2230B
HIC
 
 
18042-2230 C
 
 
Coord arcsec 2000 180411.11-222942.3 Mag 13.2 Spectral class A3V (white) Calc delta mag 5.98
Calc coord yes
CCDM
Ccdm 18042-2230 RComp B Comp C Note1
Note2 Discov num B 1875 DRAs DDEs
R dRAs Year 1930 Theta 156 Rho 2.0
Obs 1 Vmag 13.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17582S2230C
HIC
 
 
18042-2230 D
 
 
Coord arcsec 2000 180413.28-222925.1 Coord calc 180413.28-222925.1 Mag 10.6 Spectral class A2V (white)
PmRA 6.00 PmDE -2.0 Calc delta mag 3.38
CCDM
Ccdm 18042-2230 RComp B Comp D Note1
Note2 Discov num LYS DRAs 1.36 DDEs 35.6
R dRAs 43 Year 1984 Theta 060 Rho 33.7
Obs 1 Vmag 10.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17582S2230A
HIC
 
 
18042-2230 E
 
 
Coord arcsec 2000 180414.07-222929.4 Mag 12.9 PmRA 11.00 PmDE -2.0
Calc delta mag 5.68 Calc coord yes
CCDM
Ccdm 18042-2230 RComp D Comp E Note1
Note2 Discov num ARA1842 DRAs 2.21 DDEs 31.4
R dRAs 43 Year 1984 Theta 110 Rho 12.6
Obs 3 Vmag 12.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N N IDS IDS 17582S2230B
HIC