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Current system
18039-2250
B 2430
HD 164833


Nearby doubles
4' : 18039-2247
ARA1840

13' : 18043-2239
LYS 32

14' : 18030-2252
TDS 898

15' : 18030-2243
RSS 468

16' : 18034-2237
ARA1839

21' : 18042-2231
ARA1843

21' : 18042-2230
S 698AB

21' : 18041-2230
ARA1841

22' : 18030-2233
ARA1838AB

24' : 18054-2300
LYS 33AB

24' : 18027-2306
RST3151

25' : 18024-2302
H N 40AB

29' : 18019-2247
BU 283AB

30' : 18055-2312
ARA2211

31' : 18060-2238
BRT1513

32' : 18051-2317
B 375

37' : 18022-2318
B 2851

38' : 18049-2326
ARA2210

41' : 18011-2252
ARA1835

43' : 18055-2326
SKF2529AB

44' : 18056-2328
ARA2212

45' : 18015-2221
ARA1836

46' : 18068-2228
LYS 34

47' : 18058-2212
ARA1844

48' : 18074-2240
J 3203

50' : 18004-2258
ARA1834



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.

18039-2250 B 2430 (HD 164833)

 
 
18h 03m 55.89s -22° 50' 14.8" P.A. 7.00 sep 8.8 mag 7.12,12.40 Sp B0III
 
 
Coord 2000 18039-2250 Discov num B  2430 Comp Coord arcsec 2000 18 03 55.89 -22 50 14.8
Date first 1929 Date last 2015 Obs 4
Pa first 5 Pa last 6.7 P.A. Now (θ) 6.7°
Sep first 8.0 Sep last 8.802 Sep. Now (ρ) 8.802"
Mag pri 7.12 Mag sec 12.40 delta mag (ΔM) 5.28 Spectral class B0III (blue-white)
Pri motion ra +005 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 164833 Constellation Sagittarius SAO 186208 Tycho2 6842-00878-1
Gaia DR2 4069640809027438336 HD 164833 GC 24578
 
 
WDS 18039-2250 B 2430 (HD 164833) : 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
18039-2250 B 2430 1999 2 6 8.7 7.12 12.40 D 180355.89-225014.8
18039-2250 B 2430 2010 3 6 8.9 7.12 12.40 B0III 180355.89-225014.8
18039-2250 B 2430 2015 4 7 8.8 7.12 12.40 B0III 180355.89-225014.8

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

 
 
WDS 18039-2250 B 2430 (HD 164833) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18039-2250 B 2430 (HD 164833) : MEASURES
 
 
No records found.

 
 
WDS 18039-2250 (HD 164833) : VIRTUAL EYEPIECE
 
 

18039-2250 B 2430A mag 7.12 Sp B0III 18039-2250 B 2430B sep 8.8 P.A. 6.20 mag 12.4 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 18039-2250 (HD 164833) : ALADIN DSS IMAGE @ 18h 03m 55.89s -22° 50' 14.8"
 
 
 
 
WDS 18039-2250 B 2430 (HD 164833) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18039-2250 B 2430 distance=0' 18039-2247 ARA1840 distance=4' 18043-2239 LYS 32 distance=13' 18030-2252 TDS 898 distance=14' 18030-2243 RSS 468 distance=15' 18034-2237 ARA1839 distance=16' 18042-2231 ARA1843 distance=21' 18042-2230 S 698AB distance=21' 18042-2230 WFC 289AD distance=21' 18042-2230 B 1875BC distance=21' 18041-2230 ARA1841 distance=21' 18030-2233 ARA1838BC distance=21' 18030-2233 ARA1838AB distance=22' 18030-2233 ABH 93AD distance=22' 18030-2233 ABH 93AE distance=22' 18030-2233 ABH 93AF distance=22' 18030-2233 ABH 93AG distance=22' 18030-2233 ABH 93AH distance=22' 18030-2233 ABH 93AI distance=22' 18030-2233 ABH 93AJ distance=22' 18042-2230 ARA1842DE distance=22' 18054-2300 LYS 33AB distance=24' 18054-2300 SNA 80AC distance=24' 18054-2300 SNA 80AD distance=24' 18054-2300 SNA 80AE distance=24' 18027-2306 RST3151 distance=24' 18024-2302 H N 40AB distance=25' 18024-2302 H N 6AC distance=25' 18024-2302 TRN 26AH distance=25' 18024-2302 H N 6AE distance=25' 18024-2302 HLD 175AF distance=25' 18024-2302 H N 6AG distance=25' 18024-2302 SNA 77Aa,Ab distance=25' 18024-2302 SNA 77AI distance=25' 18024-2302 SNA 77AJ distance=25' 18024-2302 H N 6CD distance=25' 18024-2302 H N 6CE distance=25' 18024-2302 H N 6CF distance=25' 18024-2302 H N 6CG distance=25' 18019-2247 BU 283AB distance=29' 18019-2247 BU 283AC distance=29' 18019-2247 FOX9030AD distance=29' 18055-2312 ARA2211 distance=30' 18060-2238 BRT1513 distance=31' 18051-2317 B 375 distance=32' 18022-2318 B 2851 distance=37' 18049-2326 ARA2210 distance=38' 18011-2252 ARA1835 distance=41' 18055-2326 SKF2529BC distance=43' 18055-2326 SKF2529AB distance=43' 18055-2326 SKF2529AC distance=43' 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 18039-2250 B 2430 7 8.8
Show 18039-2247 ARA1840 267 8.0 4
Show 18043-2239 LYS 32 12 23.9 13
Show 18030-2252 TDS 898 116 2.0 14
Show 18030-2243 RSS 468 288 11.4 15
Show 18034-2237 ARA1839 42 12.4 16
Show 18042-2231 ARA1843 338 11.3 21
Show 18042-2230 S 698 AB 316 29.7 21
Show 18042-2230 WFC 289 AD 13 39.2 21
Show 18042-2230 B 1875 BC 236 0.5 21
Show 18041-2230 ARA1841 33 7.5 21
Show 18030-2233 ARA1838 BC 121 8.6 21
Show 18030-2233 ARA1838 AB 138 8.3 22
Show 18030-2233 ABH 93 AD 354 34.1 22
Show 18030-2233 ABH 93 AE 159 40.7 22
Show 18030-2233 ABH 93 AF 186 66.0 22
Show 18030-2233 ABH 93 AG 222 24.9 22
Show 18030-2233 ABH 93 AH 255 28.4 22
Show 18030-2233 ABH 93 AI 234 73.3 22
Show 18030-2233 ABH 93 AJ 284 104.1 22
Show 18042-2230 ARA1842 DE 110 12.6 22
Show 18054-2300 LYS 33 AB 289 35.2 24
Show 18054-2300 SNA 80 AC 21 5.6 24
Show 18054-2300 SNA 80 AD 186 5.6 24
Show 18054-2300 SNA 80 AE 184 7.8 24
Show 18027-2306 RST3151 32 1.3 24
Show 18024-2302 H N 40 AB 20 6.2 25
Show 18024-2302 H N 6 AC 212 10.7 25
Show 18024-2302 TRN 26 AH 345 1.5 25
Show 18024-2302 H N 6 AE 205 16.2 25
Show 18024-2302 HLD 175 AF 108 22.1 25
Show 18024-2302 H N 6 AG 212 40.7 25
Show 18024-2302 SNA 77 Aa,Ab 248 0.0 25
Show 18024-2302 SNA 77 AI 43 3.1 25
Show 18024-2302 SNA 77 AJ 165 6.5 25
Show 18024-2302 H N 6 CD 280 2.4 25
Show 18024-2302 H N 6 CE 191 6.0 25
Show 18024-2302 H N 6 CF 85 26.8 25
Show 18024-2302 H N 6 CG 212 30.0 25
Show 18019-2247 BU 283 AB 238 8.3 29
Show 18019-2247 BU 283 AC 33 13.6 29
Show 18019-2247 FOX9030 AD 265 24.5 29
Show 18055-2312 ARA2211 89 10.8 30
Show 18060-2238 BRT1513 56 4.4 31
Show 18051-2317 B 375 168 0.9 32
Show 18022-2318 B 2851 156 10.5 37
Show 18049-2326 ARA2210 145 8.7 38
Show 18011-2252 ARA1835 304 9.8 41
Show 18055-2326 SKF2529 BC 251 3.1 43
Show 18055-2326 SKF2529 AB 56 1.8 43
Show 18055-2326 SKF2529 AC 271 1.5 43

 
 
WDS 18039-2250 : COMPONENTS
 
 
  A
B pa=6.2°
sep=8.79"
 
 
18039-2250 A
 
 
Componente originario normalizzato AB Name HD 164833 Coord arcsec 2000 180355.89-225014.8 Mag 7.12
Spectral class B0III (blue-white) PmRA 5.00 PmDE -2.0 SAO 186208
Tycho2 6842-00878-1 HD 164833 GC 24578 DM BD-22 4533
Tycho2
Tycho2 6842-00878-1 Pflag RAmdeg 270.98290256 DEmdeg -22.83745055
PmRA -0.1 PmDE -4.6 E RAmdeg 4 E DEmdeg 5
E pmRA 1.0 E pmDE 1.1 EpRAm 1991.43 EpDEm 1991.21
Num 18 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.0 BTmag 7.079 E BTmag 0.015 VTmag 7.118
E VTmag 0.011 Prox 827 TYC T HIP
CCDM RAdeg 270.98290278 DEdeg -22.83744028 EpRA 1990 1.90
EpDE 1990 1.81 E RAdeg 3.9 E DEdeg 4.8 Posflg
Corr -0.1
SAO
SAO 186208 DelFlag RA1950 PmRA1950 0.0007
DE1950 PmDE1950 -0.003 Vmag 6.9 SpType B0
Double code Source 70 CatNum 24578 DM BD-22 4533
DMcomp BDsup HD 164833 M HD 0
GC 24578 RA1950rad 4.71631516 DE1950rad -0.39863864 PmRA2000 0.0007
PmDE2000 -0.002
CCDM
Ccdm 18039-2250 RComp Comp A Note1
Note2 Discov num DRAs 1.98 DDEs -14.6
R dRAs 41 Year Theta Rho
Obs 2 Vmag 6.9 Sp B0 PmNote *
PmRA 12 PmDE -2 Dm number -22 4533 Cat1 BD
Name2 186208 Cat2 SAO HD 164833 M HD
ADS BDS M ADS BDS N IDS IDS 17579S2250A
HIC
 
 
18039-2250 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180355.96-225006.1 Mag 12.4 Calc delta mag 5.28
Calc coord yes
CCDM
Ccdm 18039-2250 RComp Comp B Note1
Note2 Discov num B 2430 DRAs DDEs
R dRAs Year Theta 005 Rho 8.0
Obs Vmag 12.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17579S2250B
HIC