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Current system
18340-1929
B 1887
HD 171172


Nearby doubles
14' : 18349-1925
ARA 755

18' : 18331-1918
J 2215

32' : 18325-1906
RST5116

33' : 18319-1915
TDT 930

36' : 18317-1915
ARN 107

36' : 18333-2003
ARA1153

36' : 18321-1906
RST3186

37' : 18319-1908
BU 966AB

38' : 18325-1858
ARN 52AB

39' : 18362-1950
ARA 756

43' : 18315-1905
ARA 752

43' : 18315-1904
ARA 753

48' : 18371-1913
SEE 355

50' : 18374-1917
ARA 758

51' : 18313-1855
TNN 10AB

56' : 18365-1847
OCC 970

57' : 18328-2022
KPP 416

61' : 18356-1833
RBR 10

61' : 18336-2030
DON 911

63' : 18367-2019
HO 567

68' : 18388-1928
BRT1541

69' : 18369-1833
LEO 19

70' : 18302-1844
OCC 988

74' : 18314-1824
SEE 354AB

77' : 18321-2040
ARA1152

77' : 18388-1853
FEN 33



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18340-1929 B 1887 (HD 171172)

 
 
18h 33m 58.70s -19° 28' 44.5" P.A. 283.00 sep 2.2 mag 10.05,10.63 Sp F5V
 
 
Coord 2000 18340-1929 Discov num B  1887 Comp Coord arcsec 2000 18 33 58.70 -19 28 44.5
Date first 1930 Date last 2015 Obs 6
Pa first 286 Pa last 283 P.A. Now (θ) 283°
Sep first 2.3 Sep last 2.236 Sep. Now (ρ) 2.236"
Mag pri 10.05 Mag sec 10.63 delta mag (ΔM) 0.58 Spectral class F5V (yellow-white)
Pri motion ra +000 Sec motion ra -001
Pri motion dec -002 Sec motion dec +000
Notes V (Proper motion indicates physical)
rPM=1.118
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 171172 Constellation Sagittarius SAO 161607 Tycho2 6275-00678-1
Gaia DR2 4092458355422802560 HD 171172
 
 
WDS 18340-1929 B 1887 (HD 171172) : 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
18340-1929 B 1887 2002 4 282 2.1 10.05 10.63 F5V 183358.70-192844.5
18340-1929 B 1887 2015 5 283 2.3 10.05 10.63 F5V 183358.70-192844.5

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

 
 
WDS 18340-1929 B 1887 (HD 171172) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18340-1929 B 1887 (HD 171172) : MEASURES
 
 
No records found.

 
 
WDS 18340-1929 (HD 171172) : VIRTUAL EYEPIECE
 
 

18340-1929 B 1887A mag 10.05 Sp F5V 18340-1929 B 1887B sep 2.1 P.A. 283.80 mag 10.63 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18340-1929 (HD 171172) : ALADIN DSS IMAGE @ 18h 33m 58.70s -19° 28' 44.5"
 
 
 
 
WDS 18340-1929 B 1887 (HD 171172) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18340-1929 B 1887 distance=0' 18349-1925 ARA 755 distance=14' 18331-1918 J 2215 distance=18' 18325-1906 RST5116 distance=32' 18319-1915 TDT 930 distance=33' 18317-1915 ARN 107 distance=36' 18333-2003 ARA1153 distance=36' 18319-1908 BU 966IC distance=36' 18319-1908 BU 966IB distance=36' 18319-1908 BU 966IQ distance=36' 18321-1906 RST3186 distance=36' 18319-1908 BU 966AI distance=37' 18319-1908 BU 966AR distance=37' 18319-1908 BU 966AH distance=37' 18319-1908 BU 966AG distance=37' 18319-1908 BU 966AB distance=37' 18319-1908 BU 966AE distance=37' 18319-1908 EVS 36AU distance=37' 18319-1908 EVS 36AV distance=37' 18319-1908 EVS 36AW distance=37' 18319-1908 KRV 17AN distance=37' 18319-1908 KRV 17AO distance=37' 18319-1908 BU 966CD distance=37' 18319-1908 BU 966CG distance=37' 18319-1908 BU 966CQ distance=37' 18325-1858 ARN 52AB distance=38' 18325-1858 ANT 10AC distance=38' 18319-1908 BU 966Ba,Bb distance=38' 18319-1908 BU 966BC distance=38' 18319-1908 BU 966BE distance=38' 18319-1908 BU 966BH distance=38' 18319-1908 BU 966BQ distance=38' 18325-1858 ANT 10BC distance=38' 18319-1908 BU 966HJ distance=38' 18319-1908 BU 966JK distance=39' 18319-1908 BU 966JM distance=39' 18362-1950 ARA 756 distance=39' 18319-1908 BU 966EF distance=39' 18319-1908 BU 966EK distance=39' 18319-1908 BU 966EL distance=39' 18319-1908 BU 966KM distance=39' 18319-1908 BU 966SE distance=41' 18319-1908 BU 966GT distance=42' 18315-1905 ARA 752 distance=43' 18315-1904 ARA 753 distance=43' 18371-1913 SEE 355 distance=48' 18374-1917 ARA 758 distance=50' 18313-1855 TNN 10AB distance=51' 18313-1855 TNN 10AC distance=51' 18313-1855 TNN 10AD distance=51' 18313-1855 TNN 10AE distance=51' 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 18340-1929 B 1887 283 2.2
Show 18349-1925 ARA 755 77 13.1 14
Show 18331-1918 J 2215 267 6.0 18
Show 18325-1906 RST5116 67 3.0 32
Show 18319-1915 TDT 930 194 1.2 33
Show 18317-1915 ARN 107 289 21.1 36
Show 18333-2003 ARA1153 295 12.5 36
Show 18319-1908 BU 966 IC 264 93.6 36
Show 18319-1908 BU 966 IB 351 141.3 36
Show 18319-1908 BU 966 IQ 301 69.5 36
Show 18321-1906 RST3186 187 0.7 36
Show 18319-1908 BU 966 AI 194 165.0 37
Show 18319-1908 BU 966 AR 90 77.0 37
Show 18319-1908 BU 966 AH 295 72.0 37
Show 18319-1908 BU 966 AG 254 429.6 37
Show 18319-1908 BU 966 AB 252 66.2 37
Show 18319-1908 BU 966 AE 281 144.8 37
Show 18319-1908 EVS 36 AU 127 14.0 37
Show 18319-1908 EVS 36 AV 164 17.3 37
Show 18319-1908 EVS 36 AW 19 19.6 37
Show 18319-1908 KRV 17 AN 178 66.8 37
Show 18319-1908 KRV 17 AO 175 35.4 37
Show 18319-1908 BU 966 CD 171 11.0 37
Show 18319-1908 BU 966 CG 280 284.3 37
Show 18319-1908 BU 966 CQ 36 56.5 37
Show 18325-1858 ARN 52 AB 262 70.0 38
Show 18325-1858 ANT 10 AC 256 65.8 38
Show 18319-1908 BU 966 Ba,Bb 95 0.9 38
Show 18319-1908 BU 966 BC 205 164.9 38
Show 18319-1908 BU 966 BE 302 91.0 38
Show 18319-1908 BU 966 BH 358 50.8 38
Show 18319-1908 BU 966 BQ 199 109.6 38
Show 18325-1858 ANT 10 BC 138 8.2 38
Show 18319-1908 BU 966 HJ 310 44.4 38
Show 18319-1908 BU 966 JK 264 29.5 39
Show 18319-1908 BU 966 JM 345 70.4 39
Show 18362-1950 ARA 756 325 9.5 39
Show 18319-1908 BU 966 EF 291 25.4 39
Show 18319-1908 BU 966 EK 26 30.5 39
Show 18319-1908 BU 966 EL 123 21.1 39
Show 18319-1908 BU 966 KM 9 72.0 39
Show 18319-1908 BU 966 SE 142 161.3 41
Show 18319-1908 BU 966 GT 63 61.7 42
Show 18315-1905 ARA 752 284 11.2 43
Show 18315-1904 ARA 753 178 5.9 43
Show 18371-1913 SEE 355 241 11.1 48
Show 18374-1917 ARA 758 270 9.1 50
Show 18313-1855 TNN 10 AB 170 2.8 51
Show 18313-1855 TNN 10 AC 267 3.5 51
Show 18313-1855 TNN 10 AD 213 5.1 51
Show 18313-1855 TNN 10 AE 71 5.3 51

 
 
WDS 18340-1929 : COMPONENTS
 
 
  A
B pa=283.8°
sep=2.11"
 
 
18340-1929 A
 
 
Componente originario normalizzato AB Name HD 171172 Coord arcsec 2000 183358.70-192844.5 Mag 10.05
Spectral class F5V (yellow-white) PmRA 0.00 PmDE -2.0 SAO 161607
Tycho2 6275-00678-1 HD 171172 DM BD-19 5067
Tycho2
Tycho2 6275-00678-1 Pflag RAmdeg 278.49459624 DEmdeg -19.47902844
PmRA 6.6 PmDE -5.9 E RAmdeg 27 E DEmdeg 34
E pmRA 2.1 E pmDE 2.2 EpRAm 1989.58 EpDEm 1988.07
Num 4 Q RAmdeg 1.0 Q DEmdeg 0.9 Q pmRA 1.0
Q pmDE 0.9 BTmag 10.684 E BTmag 0.050 VTmag 10.046
E VTmag 0.045 Prox 22 TYC T HIP
CCDM RAdeg 278.49458000 DEdeg -19.47901472 EpRA 1990 1.76
EpDE 1990 1.60 E RAdeg 27.2 E DEdeg 34.8 Posflg D
Corr 0.0
SAO
SAO 161607 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 -0.019 Vmag 9.3 SpType F
Double code Source 22 CatNum 7768 DM BD-19 5067
DMcomp BDsup HD 171172 M HD 0
GC RA1950rad 4.84775437 DE1950rad -0.34066157 PmRA2000 -0.0003
PmDE2000 -0.018
CCDM
Ccdm 18340-1929 RComp Comp A Note1
Note2 Discov num DRAs -1.46 DDEs 14.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.8 Sp F PmNote *
PmRA -6 PmDE -19 Dm number -19 5067 Cat1 BD
Name2 161607 Cat2 SAO HD 171172 M HD
ADS BDS M ADS BDS N IDS IDS 18281S1933A
HIC
 
 
18340-1929 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183358.55-192844.0 Mag 10.63 PmRA -1.00
PmDE 0.0 Calc delta mag 0.58 Calc coord yes
CCDM
Ccdm 18340-1929 RComp Comp B Note1
Note2 Discov num B 1887 DRAs DDEs
R dRAs Year 1930 Theta 286 Rho 2.3
Obs 2 Vmag 10.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18281S1933B
HIC