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18474-2108
B 1889


Nearby doubles
28' : 18462-2046
I 1030

33' : 18452-2117
ARA1553

38' : 18483-2033
DON 924

42' : 18453-2039
EVS 37AB

42' : 18503-2100
ARA1554

49' : 18508-2111
SHN 235

53' : 18439-2130
KPP4118

59' : 18497-2019
SEE 362

59' : 18484-2205
ARA1899

63' : 18431-2051
ARA1159

67' : 18515-2143
DON 928

70' : 18518-2141
DON 929

72' : 18510-2018
PLT 3AB

76' : 18436-2013
DON 920

77' : 18513-2201
HJ 5070

77' : 18463-2224
SEE 360

78' : 18510-2208
KPP 427

79' : 18508-2210
BU 1300

81' : 18416-2108
KPP 422

85' : 18487-2230
ARA1900

88' : 18441-1954
ARA1160

88' : 18510-1958
ARA1162AB

89' : 18439-1954
STN 44

90' : 18465-1940
BRT1543

92' : 18479-1936
J 1657

93' : 18527-2014
OCC1017



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.

18474-2108 B 1889

 
 
18h 47m 21.64s -21° 08' 16.8" P.A. 218.00 sep 0.8 mag 10.00,12.60
 
 
Coord 2000 18474-2108 Discov num B  1889 Comp Coord arcsec 2000 18 47 21.64 -21 08 16.8
Date first 1930 Date last 1936 Obs 2
Pa first 217 Pa last 217.9 P.A. Now (θ) 217.9°
Sep first 0.7 Sep last 0.79 Sep. Now (ρ) 0.79"
Mag pri 10.00 Mag sec 12.60 delta mag (ΔM) 2.6 Spectral class
Pri motion ra -001 Sec motion ra
Pri motion dec -015 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius SAO 187283 Tycho2 6292-00113-1 Gaia DR2 4079857432395418240
HD 173677
 
 
WDS 18474-2108 B 1889 : NOTES
 
 
discov_num notes refcode
B 1889 Spectrum: B9.5II/III.
 
 
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
18474-2108 B 1889 1936 2 218 0.8 10.00 12.60 N 184721.64-210816.8

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

 
 
WDS 18474-2108 B 1889 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18474-2108 B 1889 : MEASURES
 
 
No records found.

 
 
WDS 18474-2108 : VIRTUAL EYEPIECE
 
 

18474-2108 B 1889A mag 10 18474-2108 B 1889B sep 0.8 P.A. 216.00 mag 12.6 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 18474-2108 : ALADIN DSS IMAGE @ 18h 47m 21.64s -21° 08' 16.8"
 
 
 
 
WDS 18474-2108 B 1889 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18474-2108 B 1889 distance=1' 18462-2046 I 1030 distance=28' 18452-2117 ARA1553 distance=33' 18483-2033 DON 924 distance=38' 18453-2039 EVS 37AB distance=42' 18453-2039 EVS 37AC distance=42' 18453-2039 EVS 37AD distance=42' 18453-2039 EVS 37AE distance=42' 18453-2039 EVS 37AF distance=42' 18453-2039 GAA 14Aa,Ab distance=42' 18453-2039 KRV 18AG distance=42' 18453-2039 KRV 18AH distance=42' 18503-2100 ARA1554 distance=42' 18508-2111 SHN 235 distance=49' 18439-2130 KPP4118 distance=53' 18497-2019 SEE 362 distance=59' 18484-2205 ARA1899 distance=59' 18431-2051 ARA1159 distance=63' 18515-2143 DON 928 distance=67' 18518-2141 DON 929 distance=70' 18510-2018 PLT 3AB distance=72' 18510-2018 EVS 38AC distance=72' 18436-2013 DON 920 distance=76' 18513-2201 HJ 5070 distance=77' 18463-2224 SEE 360 distance=77' 18510-2208 KPP 427 distance=78' 18508-2210 BU 1300 distance=79' 18416-2108 KPP 422 distance=81' 18487-2230 ARA1900 distance=85' 18441-1954 ARA1160 distance=88' 18510-1958 ARA1162AB distance=88' 18510-1958 FYM 269AC distance=88' 18510-1958 FYM 269AD distance=88' 18439-1954 STN 44 distance=89' 18465-1940 BRT1543 distance=90' 18479-1936 J 1657 distance=92' 18527-2014 OCC1017 distance=93' 18483-1935 B 2461 distance=94' 18433-2225 I 1381 distance=95' 18406-2115 ARA1552 distance=95' 18535-2030 DON 933 distance=96' 18472-2246 DON 923 distance=98' 18407-2139 RST5122 distance=98' 18509-2235 DON 927AB distance=101' 18509-2235 DON 927AC distance=101' 18440-2237 RST5453 distance=101' 18405-2040 OCC1079 distance=101' 18406-2034 OCC1080 distance=102' 18500-1933 KPP4124 distance=103' 18524-2225 DON 930 distance=104' 18516-2235 SHN 236 distance=105' 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 18474-2108 B 1889 218 0.8 1
Show 18462-2046 I 1030 161 5.9 28
Show 18452-2117 ARA1553 273 10.1 33
Show 18483-2033 DON 924 53 1.2 38
Show 18453-2039 EVS 37 AB 128 3.1 42
Show 18453-2039 EVS 37 AC 67 10.8 42
Show 18453-2039 EVS 37 AD 156 10.6 42
Show 18453-2039 EVS 37 AE 271 11.5 42
Show 18453-2039 EVS 37 AF 330 18.2 42
Show 18453-2039 GAA 14 Aa,Ab 349 0.0 42
Show 18453-2039 KRV 18 AG 250 29.9 42
Show 18453-2039 KRV 18 AH 304 34.9 42
Show 18503-2100 ARA1554 188 9.7 42
Show 18508-2111 SHN 235 -1 0.2 49
Show 18439-2130 KPP4118 341 3.9 53
Show 18497-2019 SEE 362 13.8 59
Show 18484-2205 ARA1899 261 10.9 59
Show 18431-2051 ARA1159 84 11.7 63
Show 18515-2143 DON 928 277 4.9 67
Show 18518-2141 DON 929 329 3.9 70
Show 18510-2018 PLT 3 AB 101 93.6 72
Show 18510-2018 EVS 38 AC 158 3.3 72
Show 18436-2013 DON 920 336 1.4 76
Show 18513-2201 HJ 5070 51 9.7 77
Show 18463-2224 SEE 360 217 14.7 77
Show 18510-2208 KPP 427 235 3.7 78
Show 18508-2210 BU 1300 254 18.0 79
Show 18416-2108 KPP 422 299 4.7 81
Show 18487-2230 ARA1900 103 12.0 85
Show 18441-1954 ARA1160 184 8.4 88
Show 18510-1958 ARA1162 AB 290 10.3 88
Show 18510-1958 FYM 269 AC 179 7.0 88
Show 18510-1958 FYM 269 AD 342 16.7 88
Show 18439-1954 STN 44 316 1.6 89
Show 18465-1940 BRT1543 258 3.3 90
Show 18479-1936 J 1657 28 3.6 92
Show 18527-2014 OCC1017 -1 0.1 93
Show 18483-1935 B 2461 197 6.7 94
Show 18433-2225 I 1381 37 1.3 95
Show 18406-2115 ARA1552 287 12.6 95
Show 18535-2030 DON 933 237 0.3 96
Show 18472-2246 DON 923 348 0.6 98
Show 18407-2139 RST5122 189 2.1 98
Show 18509-2235 DON 927 AB 68 3.3 101
Show 18509-2235 DON 927 AC 8 9.1 101
Show 18440-2237 RST5453 211 0.1 101
Show 18405-2040 OCC1079 -1 0.0 101
Show 18406-2034 OCC1080 -1 0.0 102
Show 18500-1933 KPP4124 15 1.5 103
Show 18524-2225 DON 930 272 0.7 104
Show 18516-2235 SHN 236 -1 0.0 105

 
 
WDS 18474-2108 : COMPONENTS
 
 
  A
B pa=216.0°
sep=0.77"
 
 
18474-2108 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184721.64-210816.8 Mag 10 PmRA -1.00
PmDE -15.0 SAO 187283 Tycho2 6292-00113-1 HD 173677
DM BD-21 5137
Tycho2
Tycho2 6292-00113-1 Pflag RAmdeg 281.84020651 DEmdeg -21.13801557
PmRA 4.1 PmDE -5.7 E RAmdeg 16 E DEmdeg 21
E pmRA 1.6 E pmDE 1.7 EpRAm 1988.40 EpDEm 1985.36
Num 7 Q RAmdeg 1.6 Q DEmdeg 1.0 Q pmRA 1.6
Q pmDE 0.9 BTmag 10.237 E BTmag 0.034 VTmag 9.868
E VTmag 0.035 Prox 999 TYC T HIP
CCDM RAdeg 281.84019944 DEdeg -21.13799917 EpRA 1990 1.79
EpDE 1990 1.65 E RAdeg 17.1 E DEdeg 25.2 Posflg
Corr 0.1
SAO
SAO 187283 DelFlag RA1950 PmRA1950 0.0008
DE1950 PmDE1950 -0.016 Vmag 9.2 SpType A0
Double code Source 23 CatNum 7893 DM BD-21 5137
DMcomp BDsup HD 173677 M HD 0
GC RA1950rad 4.90601389 DE1950rad -0.36989197 PmRA2000 0.0008
PmDE2000 -0.016
CCDM
Ccdm 18474-2108 RComp Comp A Note1
Note2 Discov num DRAs -2.35 DDEs -17.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.8 Sp A0 PmNote *
PmRA 11 PmDE -16 Dm number -21 5137 Cat1 BD
Name2 187283 Cat2 SAO HD 173677 M HD
ADS BDS M ADS BDS N IDS IDS 18414S2115A
HIC
 
 
18474-2108 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184721.61-210817.4 Mag 12.6 Calc delta mag 2.6
Calc coord yes
CCDM
Ccdm 18474-2108 RComp Comp B Note1
Note2 Discov num B 1889 DRAs DDEs
R dRAs Year 1930 Theta 217 Rho 0.7
Obs 2 Vmag 12.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18414S2115B
HIC