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Current system
20518-3434
B 504
HD 198504


Nearby doubles
8' : 20521-3428
B 999

20' : 20525-3451
NSN 490

41' : 20521-3353
SEE 430

43' : 20521-3517
RST3270

49' : 20551-3408
HJ 5234

50' : 20518-3523
KPP1661

52' : 20532-3521
BRT1814

53' : 20500-3347
HJ 5224

64' : 20501-3534
HDS2969

69' : 20480-3523
B 2892

71' : 20570-3406
RST3272

71' : 20575-3435
BRT1816

74' : 20506-3545
TDT2573

75' : 20458-3443
HJ 5219

80' : 20565-3340
B 1002

82' : 20501-3315
UC 4305

84' : 20571-3526
B 510

87' : 20467-3336
HDS2960AB

90' : 20452-3510
SEE 428

91' : 20517-3303
UC 4311

93' : 20588-3402
RST3274

94' : 20579-3339
RED 26

99' : 20510-3256
RST2162

100' : 20598-3452
TDT2682

101' : 20556-3304
LDS6419

105' : 20516-3618
B 998



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.

20518-3434 B 504 (HD 198504)

 
 
20h 51m 49.71s -34° 33' 39.3" P.A. 38.00 sep 2.3 mag 10.26,10.53 Sp A2II/III dist. 226.76 pc (739.69 l.y.)
 
 
Coord 2000 20518-3434 Discov num B   504 Comp Coord arcsec 2000 20 51 49.71 -34 33 39.3
Date first 1927 Date last 2015 Obs 13
Pa first 40 Pa last 38.2 P.A. Now (θ) 38.2°
Sep first 2.2 Sep last 2.27 Sep. Now (ρ) 2.27"
Mag pri 10.26 Mag sec 10.53 delta mag (ΔM) 0.27 Spectral class A2II/III (white)
Pri motion ra -002 Sec motion ra -002
Pri motion dec -006 Sec motion dec -006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 198504 Constellation Microscopium HIP 102979 Tycho2 7466-01211-2
Gaia DR2 6779762149123733504 HD 198504 CD CD-3514403 CP CP-35 8928
Distance 226.76 Distance ly 739.69
 
 
WDS 20518-3434 B 504 (HD 198504) : 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
20518-3434 B 504 1991 12 38 2.3 10.26 10.53 A2II/III D 205149.71-343339.3
20518-3434 B 504 2015 13 38 2.3 10.26 10.53 A2II/III 205149.71-343339.3

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

 
 
WDS 20518-3434 B 504 (HD 198504) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20518-3434 B 504 (HD 198504) : MEASURES
 
 
No records found.

 
 
WDS 20518-3434 (HD 198504) : VIRTUAL EYEPIECE
 
 

20518-3434 B 504A mag 10.26 Sp A2II/III 20518-3434 B 504B sep 2.1 P.A. 32.90 mag 10.53 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 20518-3434 (HD 198504) : ALADIN DSS IMAGE @ 20h 51m 49.71s -34° 33' 39.3"
 
 
 
 
WDS 20518-3434 B 504 (HD 198504) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20518-3434 B 504 distance=0' 20521-3428 B 999 distance=8' 20525-3451 NSN 490 distance=20' 20521-3353 SEE 430 distance=41' 20521-3517 RST3270 distance=43' 20551-3408 HJ 5234 distance=49' 20518-3523 KPP1661 distance=50' 20532-3521 BRT1814 distance=52' 20500-3347 HJ 5224 distance=53' 20501-3534 HDS2969 distance=64' 20480-3523 B 2892 distance=69' 20570-3406 RST3272 distance=71' 20575-3435 BRT1816 distance=71' 20506-3545 TDT2573 distance=74' 20458-3443 HJ 5219 distance=75' 20565-3340 B 1002 distance=80' 20501-3315 UC 4305 distance=82' 20571-3526 B 510 distance=84' 20467-3336 HDS2960AB distance=87' 20467-3336 SKF2090AC distance=87' 20452-3510 SEE 428 distance=90' 20517-3303 UC 4311 distance=91' 20588-3402 RST3274 distance=93' 20579-3339 RED 26 distance=94' 20510-3256 RST2162 distance=99' 20598-3452 TDT2682 distance=100' 20556-3304 LDS6419 distance=101' 20516-3618 B 998 distance=105' 20437-3509 KPP 941 distance=106' 21002-3408 KPP4219 distance=107' 20583-3548 WSP 133AB distance=109' 20583-3548 WSP 133AC distance=109' 20583-3548 WSP 133AD distance=109' 20583-3548 WSP 133AE distance=109' 20529-3245 B 1000 distance=110' 20478-3255 WIS 343 distance=111' 20592-3325 RST2170 distance=115' 20543-3243 TDT2622Aa,Ab distance=116' 20543-3243 UC 4321AB distance=116' 20436-3532 HJ 5215 distance=117' 21007-3518 BU 765 distance=118' 21012-3511 TOK 344AB distance=122' 21012-3511 TOK 344Aa,Ab distance=122' 20467-3245 RST2160 distance=127' 20577-3248 ENO 6 distance=129' 20591-3301 RST2169 distance=130' 20478-3636 LWR 17 distance=132' 20442-3607 UC 4273 distance=133' 20506-3645 B 2893 distance=133' 21007-3315 TDT2691 distance=135' 21031-3423 UC 4366 distance=140' 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 20518-3434 B 504 38 2.3
Show 20521-3428 B 999 328 1.3 8
Show 20525-3451 NSN 490 73 2.0 20
Show 20521-3353 SEE 430 345 14.5 41
Show 20521-3517 RST3270 338 2.5 43
Show 20551-3408 HJ 5234 90 15.1 49
Show 20518-3523 KPP1661 42 12.8 50
Show 20532-3521 BRT1814 258 4.0 52
Show 20500-3347 HJ 5224 165 20.2 53
Show 20501-3534 HDS2969 174 0.1 64
Show 20480-3523 B 2892 104 8.1 69
Show 20570-3406 RST3272 23 2.2 71
Show 20575-3435 BRT1816 180 3.7 71
Show 20506-3545 TDT2573 74 0.4 74
Show 20458-3443 HJ 5219 323 8.5 75
Show 20565-3340 B 1002 324 0.6 80
Show 20501-3315 UC 4305 302 143.4 82
Show 20571-3526 B 510 327 3.4 84
Show 20467-3336 HDS2960 AB 158 0.2 87
Show 20467-3336 SKF2090 AC 190 88.1 87
Show 20452-3510 SEE 428 188 4.4 90
Show 20517-3303 UC 4311 335 26.1 91
Show 20588-3402 RST3274 358 1.8 93
Show 20579-3339 RED 26 186 18.9 94
Show 20510-3256 RST2162 76 0.8 99
Show 20598-3452 TDT2682 151 2.2 100
Show 20556-3304 LDS6419 34 4.7 101
Show 20516-3618 B 998 288 0.5 105
Show 20437-3509 KPP 941 156 7.7 106
Show 21002-3408 KPP4219 358 2.1 107
Show 20583-3548 WSP 133 AB 212 2.4 109
Show 20583-3548 WSP 133 AC 158 16.3 109
Show 20583-3548 WSP 133 AD 339 16.4 109
Show 20583-3548 WSP 133 AE 354 16.6 109
Show 20529-3245 B 1000 312 3.6 110
Show 20478-3255 WIS 343 9 525.5 111
Show 20592-3325 RST2170 33 1.0 115
Show 20543-3243 TDT2622 Aa,Ab 232 0.5 116
Show 20543-3243 UC 4321 AB 38 24.4 116
Show 20436-3532 HJ 5215 183 22.8 117
Show 21007-3518 BU 765 72 0.8 118
Show 21012-3511 TOK 344 AB 61 186.0 122
Show 21012-3511 TOK 344 Aa,Ab 351 0.1 122
Show 20467-3245 RST2160 138 0.5 127
Show 20577-3248 ENO 6 24 13.6 129
Show 20591-3301 RST2169 99 1.3 130
Show 20478-3636 LWR 17 20 9.0 132
Show 20442-3607 UC 4273 22 17.6 133
Show 20506-3645 B 2893 297 9.7 133
Show 21007-3315 TDT2691 258 0.5 135
Show 21031-3423 UC 4366 224 16.9 140

 
 
WDS 20518-3434 : COMPONENTS
 
 
  A
B pa=32.9°
sep=2.13"
 
 
20518-3434 A
 
 
Componente originario normalizzato AB Name HD 198504 Coord arcsec 2000 205149.71-343339.3 Mag 10.26
Spectral class A2II/III (white) PmRA -2.00 PmDE -6.0 HIP 102979
Tycho2 7466-01211-2 HD 198504 CD CD-3514403 CP CP-35 8928
Tycho2
Tycho2 7466-01211-2 Pflag P RAmdeg 312.95713014 DEmdeg -34.56091902
PmRA -2.2 PmDE -6.0 E RAmdeg 29 E DEmdeg 33
E pmRA 2.3 E pmDE 2.3 EpRAm 1989.63 EpDEm 1988.60
Num 4 Q RAmdeg 0.6 Q DEmdeg 2.2 Q pmRA 0.6
Q pmDE 2.2 BTmag 10.556 E BTmag 0.041 VTmag 10.255
E VTmag 0.041 Prox 23 TYC T HIP 102979
CCDM A RAdeg 312.95697944 DEdeg -34.56107111 EpRA 1990 1.58
EpDE 1990 1.42 E RAdeg 23.1 E DEdeg 27.4 Posflg D
Corr -0.2
Hipparcos
Catalog H HIP 102979 Proxy H RAhms 20 51 49.68
DEdms -34 33 39.8 Vmag 9.65 VarFlag R Vmag H
RAdeg 312.957 DEdeg -34.5611 AstroRef A Plx 3.68
CCDM 20518-3434 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 38 Rho 2.277 HD 198504 BD
CD CD-3514403 CP CP-35 8928 Dm number -3514403 VIred 0.22
SpType A2II/III R SpType Coord arcsec 2000 205149.68-343339.8
Hipparcos 2
HIP 102979 Sn 15 So 3 Nc 2
RArad 5.4621298115 DErad -0.6032044337 Plx 4.41 PmRA -1.76
PmDE -4.05 E RArad 1.85 E DErad 1.3 E Plx 2.02
E pmRA 2.39 E pmDE 1.6 Hpmag 9.7531 E Hpmag 0.0026
SHp 0.02 VA 0 BV 0.427 E BV 0.036
VI 0.49
CCDM
Ccdm 20518-3434 RComp Comp A Note1
Note2 Discov num DRAs 1.94 DDEs 22.1
R dRAs 35 Year Theta Rho
Obs 2 Vmag 10.0 Sp F5 PmNote
PmRA PmDE Dm number -3514403 Cat1 CD
Name2 Cat2 HD 198504 M HD
ADS BDS M ADS BDS N IDS IDS 20456S3456A
HIC 102979
 
 
20518-3434 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205149.80-343337.5 Mag 10.53 PmRA -2.00
PmDE -6.0 HIP 102979 Tycho2 7466-01211-1 Calc delta mag 0.27
Calc coord yes
Tycho2
Tycho2 7466-01211-1 Pflag P RAmdeg 312.95713014 DEmdeg -34.56091902
PmRA -2.2 PmDE -6.0 E RAmdeg 29 E DEmdeg 33
E pmRA 2.3 E pmDE 2.3 EpRAm 1989.63 EpDEm 1988.60
Num 4 Q RAmdeg 0.6 Q DEmdeg 2.2 Q pmRA 0.6
Q pmDE 2.2 BTmag 10.985 E BTmag 0.054 VTmag 10.525
E VTmag 0.048 Prox 23 TYC T HIP 102979
CCDM B RAdeg 312.95744528 DEdeg -34.56057750 EpRA 1990 1.57
EpDE 1990 1.43 E RAdeg 28.9 E DEdeg 34.4 Posflg D
Corr -0.2
Hipparcos
Catalog H HIP 102979 Proxy H RAhms 20 51 49.68
DEdms -34 33 39.8 Vmag 9.65 VarFlag R Vmag H
RAdeg 312.957 DEdeg -34.5611 AstroRef A Plx 3.68
CCDM 20518-3434 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 38 Rho 2.277 HD 198504 BD
CD CD-3514403 CP CP-35 8928 Dm number -3514403 VIred 0.22
SpType A2II/III R SpType Coord arcsec 2000 205149.68-343339.8
Hipparcos 2
HIP 102979 Sn 15 So 3 Nc 2
RArad 5.4621298115 DErad -0.6032044337 Plx 4.41 PmRA -1.76
PmDE -4.05 E RArad 1.85 E DErad 1.3 E Plx 2.02
E pmRA 2.39 E pmDE 1.6 Hpmag 9.7531 E Hpmag 0.0026
SHp 0.02 VA 0 BV 0.427 E BV 0.036
VI 0.49
CCDM
Ccdm 20518-3434 RComp Comp B Note1
Note2 Discov num B 504 DRAs DDEs
R dRAs Year 1927 Theta 039 Rho 2.2
Obs 6 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20456S3456B
HIC 102979