20291-3732 B 486

 
 
20h 29m 07.08s -37° 31' 58.7" P.A. 184.00 sep 0.3 mag 10.70,11.10
 
 
Coord 2000 20291-3732 Discov num B   486 Comp Coord arcsec 2000 20 29 07.08 -37 31 58.7
Date first 1927 Date last 2021 Obs 5
Pa first 172 Pa last 183.6 P.A. Now (θ) 183.6°
Sep first 0.3 Sep last 0.265 Sep. Now (ρ) 0.265"
Mag pri 10.70 Mag sec 11.10 delta mag (ΔM) 0.4 Spectral class
Pri motion ra +117 Sec motion ra
Pri motion dec -011 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Microscopium Tycho2 7949-00019-1 Gaia DR2 6694756255182906240
 
 
WDS 20291-3732 B 486 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
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.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20291-3732 B 486 1975 4 182 0.3 10.70 11.10 202907.08-373158.7
20291-3732 B 486 2021 5 184 0.3 10.70 11.10 202907.08-373158.7

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WDS 20291-3732 B 486 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20291-3732 B 486 : MEASURES
 
 
No records found.

 
 
WDS 20291-3732 : VIRTUAL EYEPIECE
 
 

20291-3732 B   486A mag 10.7 20291-3732 B   486B sep 0.3 P.A. 182.90 mag 11.1 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 20291-3732 : ALADIN DSS IMAGE @ 20h 29m 07.08s -37° 31' 58.7"
 
 
 
 
WDS 20291-3732 B 486 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20291-3732  B   486 distance=1' 20269-3724  R   321 distance=28' 20318-3723  RST3262 distance=33' 20282-3644  BRT1807 distance=49' 20296-3638  RST3260 distance=54' 20266-3630  HJ 5198 distance=69' 20338-3643  HDS2939 distance=75' 20267-3622  DAW 228 distance=76' 20257-3617  LDS 711 distance=88' 20364-3706  B  2888 distance=91' 20361-3814  HJ 5208 distance=94' 20369-3713  KPP1356 distance=96' 20218-3654  HJ 5189 distance=96' 20217-3813  KPP 471 distance=97' 20318-3558  RSS 551 distance=100' 20314-3907  HJ 5203 distance=100' 20223-3631  OL   25 distance=103' 20268-3551  RST3259 distance=104' 20272-3913  RST2140 distance=104' 20217-3637  HDS2908 distance=105' 20200-3745  TVB 313 distance=110' 20300-3542  BRT1808 distance=111' 20255-3548  KPP2300 distance=113' 20198-3706  RST3254 distance=115' 20320-3925  B   489AB distance=119' 20320-3925  WG  257AC distance=119' 20256-3538  B   990 distance=123' 20317-3531  HJ 5205 distance=125' 20381-3627  KPP3107 distance=126' 20401-3920  SEE 422 distance=133' 20222-3541  I   430 distance=139' 20243-3944  HDS2917 distance=145' 20266-3955  SCT   2 distance=147' 20360-3934  UC 4228 distance=147' 20168-3733  B   473 distance=147' 20296-4000  UC 4200 distance=149' 20173-3638  RSS 545 distance=152' 20211-3530  UC 4156 distance=156' 20348-3957  WG  258 distance=162' 20166-3841  KPP1571 distance=164' 20164-3627  HJ 5183AB distance=166' 20164-3627  HJ 5183AC distance=166' 20199-3938  UC 4148 distance=167' 20340-3455  TDT2380AB distance=168' 20362-3506  SKF1246 distance=170' 20419-3853  TOI2247 distance=172' 20187-3932  UC 4143 distance=172' 20247-4019  KPP 968 distance=176' 20247-3445  DAW 226BC distance=177' 20247-3445  HJ 5195AB distance=177' 20247-3445  HJ 5195AC distance=177' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 20291-3732 B 486 184 0.3 1
Show 20269-3724 R 321 123 1.6 28
Show 20318-3723 RST3262 67 3.4 33
Show 20282-3644 BRT1807 261 3.5 49
Show 20296-3638 RST3260 302 2.2 54
Show 20266-3630 HJ 5198 237 9.1 69
Show 20338-3643 HDS2939 161 0.3 75
Show 20267-3622 DAW 228 48 11.7 76
Show 20257-3617 LDS 711 143 9.6 88
Show 20364-3706 B 2888 259 13.3 91
Show 20361-3814 HJ 5208 277 9.2 94
Show 20369-3713 KPP1356 244 10.2 96
Show 20218-3654 HJ 5189 294 7.5 96
Show 20217-3813 KPP 471 209 3.7 97
Show 20318-3558 RSS 551 175 15.4 100
Show 20314-3907 HJ 5203 114 10.1 100
Show 20223-3631 OL 25 257 1.7 103
Show 20268-3551 RST3259 112 1.8 104
Show 20272-3913 RST2140 47 1.8 104
Show 20217-3637 HDS2908 133 0.0 105
Show 20200-3745 TVB 313 267 2.5 110
Show 20300-3542 BRT1808 146 10.9 111
Show 20255-3548 KPP2300 107 19.4 113
Show 20198-3706 RST3254 40 1.6 115
Show 20320-3925 B 489 AB 277 2.1 119
Show 20320-3925 WG 257 AC 238 24.5 119
Show 20256-3538 B 990 194 2.2 123
Show 20317-3531 HJ 5205 36 33.3 125
Show 20381-3627 KPP3107 325 6.6 126
Show 20401-3920 SEE 422 242 20.9 133
Show 20222-3541 I 430 345 20.7 139
Show 20243-3944 HDS2917 204 12.3 145
Show 20266-3955 SCT 2 319 28.4 147
Show 20360-3934 UC 4228 177 45.9 147
Show 20168-3733 B 473 183 2.4 147
Show 20296-4000 UC 4200 302 40.7 149
Show 20173-3638 RSS 545 132 22.1 152
Show 20211-3530 UC 4156 350 25.7 156
Show 20348-3957 WG 258 239 8.5 162
Show 20166-3841 KPP1571 71 11.9 164
Show 20164-3627 HJ 5183 AB 229 36.8 166
Show 20164-3627 HJ 5183 AC 179 46.3 166
Show 20199-3938 UC 4148 227 39.2 167
Show 20340-3455 TDT2380 AB 76 0.5 168
Show 20362-3506 SKF1246 169 21.8 170
Show 20419-3853 TOI2247 347 0.3 172
Show 20187-3932 UC 4143 351 60.9 172
Show 20247-4019 KPP 968 335 7.9 176
Show 20247-3445 DAW 226 BC 137 20.5 177
Show 20247-3445 HJ 5195 AB 115 16.3 177
Show 20247-3445 HJ 5195 AC 127 36.1 177

 
 
WDS 20291-3732 : COMPONENTS
 
 
  A
B pa=182.9°
sep=0.26"
 
 
20291-3732 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202907.08-373158.7 Mag 10.7 PmRA 117.00
PmDE -11.0 Tycho2 7949-00019-1 DM CD-3713764
Tycho2
Tycho2 7949-00019-1 Pflag RAmdeg 307.27949784 DEmdeg -37.53297629
PmRA 117.2 PmDE -18.7 E RAmdeg 21 E DEmdeg 25
E pmRA 1.9 E pmDE 1.7 EpRAm 1988.61 EpDEm 1982.46
Num 5 Q RAmdeg 1.0 Q DEmdeg 1.4 Q pmRA 0.9
Q pmDE 1.5 BTmag 10.829 E BTmag 0.047 VTmag 10.172
E VTmag 0.037 Prox 999 TYC T HIP
CCDM RAdeg 307.27916306 DEdeg -37.53293972 EpRA 1990 1.81
EpDE 1990 1.52 E RAdeg 22.5 E DEdeg 30.7 Posflg
Corr -0.2
 
 
20291-3732 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202907.08-373159.0 Mag 11.1 Calc delta mag 0.4
Calc coord yes