18344-3545 B 2454

 
 
18h 34m 25.87s -35° 45' 54.4" P.A. 279.00 sep 4.9 mag 10.15,13.70
 
 
Coord 2000 18344-3545 Discov num B  2454 Comp Coord arcsec 2000 18 34 25.87 -35 45 54.4
Date first 1912 Date last 2015 Obs 7
Pa first 276 Pa last 278.7 P.A. Now (θ) 278.7°
Sep first 3.5 Sep last 4.911 Sep. Now (ρ) 4.911"
Mag pri 10.15 Mag sec 13.70 delta mag (ΔM) 3.55 Spectral class
Pri motion ra +020 Sec motion ra
Pri motion dec -023 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 7406-01669-1 Gaia DR2 6733815478048061824
 
 
WDS 18344-3545 B 2454 : 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
18344-3545 B 2454 2000 4 277 4.8 10.15 13.70 D 183425.87-354554.4
18344-3545 B 2454 2015 7 279 4.9 10.15 13.70 183425.87-354554.4

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WDS 18344-3545 B 2454 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18344-3545 B 2454 : MEASURES
 
 
No records found.

 
 
WDS 18344-3545 : VIRTUAL EYEPIECE
 
 

18344-3545 B  2454A mag 10.15 18344-3545 B  2454B sep 4.0 P.A. 280.70 mag 13.7 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 18344-3545 : ALADIN DSS IMAGE @ 18h 34m 25.87s -35° 45' 54.4"
 
 
 
 
WDS 18344-3545 B 2454 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18344-3545  B  2454 distance=0' 18348-3533  JSP 781 distance=14' 18374-3546  JSP 784 distance=37' 18310-3609  RST3185AB distance=47' 18310-3609  RST3185BC distance=47' 18304-3548  HDS2622 distance=49' 18386-3528  BRT1784 distance=55' 18345-3449  STN  62 distance=57' 18384-3515  TDT 970 distance=58' 18297-3532  BRT1780 distance=60' 18306-3624  HDS2625 distance=61' 18325-3643  TDT 933 distance=62' 18337-3648  JSP 777 distance=64' 18337-3444  JSP 778 distance=64' 18332-3436  JSP 776 distance=72' 18361-3703  JSP 782 distance=79' 18380-3653  B   941 distance=80' 18381-3702  TDT 966 distance=89' 18409-3507  FAL  62 distance=89' 18372-3711  BRT1783 distance=92' 18409-3457  RSS 488 distance=93' 18293-3431  B  1364 distance=98' 18268-3517  B  2866 distance=99' 18348-3726  SKF2067 distance=101' 18269-3635  BRT1779 distance=104' 18416-3649  WFC 212 distance=107' 18294-3416  B  1365 distance=110' 18358-3357  B  2455 distance=111' 18256-3628  OL   19 distance=116' 18417-3431  JSP 785 distance=117' 18248-3535  BRT3331 distance=118' 18443-3539  B   942 distance=121' 18443-3533  BRT1785 distance=121' 18444-3542  KOH 107 distance=122' 18264-3700  RST4011 distance=122' 18246-3523  JSP 774 distance=123' 18243-3539  BRT1774 distance=123' 18444-3513  TDT1024 distance=126' 18365-3342  B   940 distance=127' 18331-3752  BRT1781 distance=127' 18345-3753  JSP 779 distance=128' 18346-3753  JSP 780 distance=128' 18346-3338  SKF 457 distance=129' 18248-3642  POL   6 distance=130' 18451-3552  JSP 943 distance=130' 18381-3748  B  1368 distance=130' 18393-3742  TOK 797 distance=131' 18240-3516  BRT1773 distance=131' 18253-3701  BRT1776 distance=134' 18453-3529  B   943 distance=134' 18456-3539  KPP2513 distance=137' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 18344-3545 B 2454 279 4.9
Show 18348-3533 JSP 781 203 0.4 14
Show 18374-3546 JSP 784 151 2.1 37
Show 18310-3609 RST3185 AB 325 3.3 47
Show 18310-3609 RST3185 BC 357 1.9 47
Show 18304-3548 HDS2622 70 4.6 49
Show 18386-3528 BRT1784 192 4.8 55
Show 18345-3449 STN 62 132 2.3 57
Show 18384-3515 TDT 970 81 0.6 58
Show 18297-3532 BRT1780 252 2.1 60
Show 18306-3624 HDS2625 343 8.5 61
Show 18325-3643 TDT 933 286 0.4 62
Show 18337-3648 JSP 777 286 11.2 64
Show 18337-3444 JSP 778 162 1.5 64
Show 18332-3436 JSP 776 31 0.3 72
Show 18361-3703 JSP 782 3 1.1 79
Show 18380-3653 B 941 230 1.6 80
Show 18381-3702 TDT 966 309 2.8 89
Show 18409-3507 FAL 62 178 9.3 89
Show 18372-3711 BRT1783 133 4.3 92
Show 18409-3457 RSS 488 91 9.7 93
Show 18293-3431 B 1364 34 3.6 98
Show 18268-3517 B 2866 343 4.5 99
Show 18348-3726 SKF2067 305 26.9 101
Show 18269-3635 BRT1779 28 6.7 104
Show 18416-3649 WFC 212 99 9.9 107
Show 18294-3416 B 1365 242 4.1 110
Show 18358-3357 B 2455 338 6.5 111
Show 18256-3628 OL 19 261 4.1 116
Show 18417-3431 JSP 785 116 1.7 117
Show 18248-3535 BRT3331 192 5.5 118
Show 18443-3539 B 942 314 9.7 121
Show 18443-3533 BRT1785 334 3.0 121
Show 18444-3542 KOH 107 185 0.2 122
Show 18264-3700 RST4011 130 0.6 122
Show 18246-3523 JSP 774 72 4.3 123
Show 18243-3539 BRT1774 55 3.5 123
Show 18444-3513 TDT1024 202 0.4 126
Show 18365-3342 B 940 258 1.8 127
Show 18331-3752 BRT1781 192 4.2 127
Show 18345-3753 JSP 779 220 0.7 128
Show 18346-3753 JSP 780 310 2.7 128
Show 18346-3338 SKF 457 359 13.6 129
Show 18248-3642 POL 6 226 2.7 130
Show 18451-3552 JSP 943 353 5.2 130
Show 18381-3748 B 1368 153 5.0 130
Show 18393-3742 TOK 797 235 0.2 131
Show 18240-3516 BRT1773 295 3.6 131
Show 18253-3701 BRT1776 175 3.3 134
Show 18453-3529 B 943 271 0.5 134
Show 18456-3539 KPP2513 226 22.6 137

 
 
WDS 18344-3545 : COMPONENTS
 
 
  A
B pa=280.7°
sep=4.01"
 
 
18344-3545 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 183425.87-354554.4 Mag 10.15 PmRA 20.00
PmDE -23.0 Tycho2 7406-01669-1 DM CD-3512729
Tycho2
Tycho2 7406-01669-1 Pflag RAmdeg 278.60782590 DEmdeg -35.76512505
PmRA 2.6 PmDE -21.6 E RAmdeg 20 E DEmdeg 29
E pmRA 2.3 E pmDE 2.2 EpRAm 1990.87 EpDEm 1989.65
Num 3 Q RAmdeg 0.6 Q DEmdeg 1.8 Q pmRA 0.7
Q pmDE 1.9 BTmag 10.664 E BTmag 0.041 VTmag 10.145
E VTmag 0.037 Prox 999 TYC T HIP
CCDM RAdeg 278.60781889 DEdeg -35.76507611 EpRA 1990 1.86
EpDE 1990 1.81 E RAdeg 19.7 E DEdeg 29.0 Posflg
Corr -0.1
 
 
18344-3545 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183425.55-354553.7 Mag 13.7 Calc delta mag 3.55
Calc coord yes