stampa
Login

Want to manage your own lists?
Create your account here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
03187-2526
B 47
HD 20657


Nearby doubles
21' : 03190-2546
RST 68

44' : 03158-2510
B 46

54' : 03196-2618
KPP2454

55' : 03211-2610
HDS 419

57' : 03225-2502
RST2305

62' : 03212-2619
B 2561

67' : 03219-2617
B 2562

74' : 03211-2632
SWR 5

79' : 03132-2551
RST 60AB

81' : 03165-2411
RST2299

85' : 03240-2613
HJ 3572

93' : 03253-2501
TDS2543

96' : 03118-2546
WIS 84

99' : 03126-2618
KPP2865

99' : 03115-2532
B 45

113' : 03105-2540
WIS 82

115' : 03102-2527
HDS 406

121' : 03243-2659
RST 72

122' : 03227-2714
HDS 422

125' : 03121-2400
TDS2477

129' : 03184-2734
BVD 33

136' : 03231-2323
KPP2451

141' : 03180-2746
TDS 110

144' : 03248-2722
LDS 839

146' : 03172-2302
H N 18

149' : 03282-2413
TDS2555



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.

03187-2526 B 47 (HD 20657)

 
 
03h 18m 43.97s -25° 25' 44.1" P.A. 308.00 sep 4.8 mag 8.64,11.49 Sp G2V dist. 84.25 pc (274.82 l.y.)
 
 
Coord 2000 03187-2526 Discov num B    47 Comp Coord arcsec 2000 03 18 43.97 -25 25 44.1
Date first 1925 Date last 2010 Obs 10
Pa first 313 Pa last 308.2 P.A. Now (θ) 308.2°
Sep first 4.3 Sep last 4.76 Sep. Now (ρ) 4.76"
Mag pri 8.64 Mag sec 11.49 delta mag (ΔM) 2.85 Spectral class G2V (yellow)
Pri motion ra +023 Sec motion ra +011
Pri motion dec -025 Sec motion dec -016
Notes
rPM=0.442
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 20657 Constellation Fornax SAO 168456 HIP 15418
Tycho2 6442-00863-1 Gaia DR2 5073906348670457984 HD 20657 ADS 2466
CD CD-25 1353 CP CP-25 413 Distance 84.25 Distance ly 274.82
 
 
WDS 03187-2526 B 47 (HD 20657) : 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
03187-2526 B 47 1998 8 310 4.4 8.64 11.49 G2V D 031843.97-252544.1
03187-2526 B 47 1999 9 311 4.6 8.64 11.49 G2V D 031843.97-252544.1
03187-2526 B 47 2010 10 306 4.0 8.64 11.49 G2V 031843.97-252544.1
03187-2526 B 47 2015 11 310 4.6 8.64 11.49 G2V 031843.97-252544.1

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

 
 
WDS 03187-2526 B 47 (HD 20657) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03187-2526 B 47 (HD 20657) : MEASURES
 
 
No records found.

 
 
WDS 03187-2526 (HD 20657) : VIRTUAL EYEPIECE
 
 

03187-2526 B 47A mag 8.64 Sp G2V 03187-2526 B 47B sep 4.5 P.A. 311.10 mag 11.49 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 03187-2526 (HD 20657) : ALADIN DSS IMAGE @ 03h 18m 43.97s -25° 25' 44.1"
 
 
 
 
WDS 03187-2526 B 47 (HD 20657) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

03187-2526 B 47 distance=0' 03190-2546 RST 68 distance=21' 03158-2510 B 46 distance=44' 03196-2618 KPP2454 distance=54' 03211-2610 HDS 419 distance=55' 03225-2502 RST2305 distance=57' 03212-2619 B 2561 distance=62' 03219-2617 B 2562 distance=67' 03211-2632 SWR 5 distance=74' 03132-2551 RST 60AB distance=79' 03132-2551 DAM 755AB,C distance=79' 03165-2411 RST2299 distance=81' 03240-2613 HJ 3572 distance=85' 03253-2501 TDS2543 distance=93' 03118-2546 WIS 84 distance=96' 03126-2618 KPP2865 distance=99' 03115-2532 B 45 distance=99' 03105-2540 WIS 82 distance=113' 03102-2527 HDS 406 distance=115' 03243-2659 RST 72 distance=121' 03227-2714 HDS 422 distance=122' 03121-2400 TDS2477 distance=125' 03184-2734 BVD 33 distance=129' 03231-2323 KPP2451 distance=136' 03180-2746 TDS 110 distance=141' 03248-2722 LDS 839 distance=144' 03172-2302 H N 18 distance=146' 03282-2413 TDS2555 distance=149' 03116-2719 FAR 52 distance=150' 03123-2727 LDS 88 distance=150' 03077-2517 TDS2452 distance=151' 03269-2344 RSS 4 distance=151' 03251-2321 UC 1002 distance=152' 03278-2352 LDS3496 distance=156' 03076-2446 RST2296 distance=156' 03227-2258 UC 996 distance=158' 03302-2501 KPP1735 distance=158' 03084-2410 LDS 87 distance=160' 03294-2406 GAA 18 distance=166' 03234-2253 ARA1975 distance=167' 03093-2717 KPP2308 distance=169' 03163-2811 RST 64 distance=169' 03195-2815 UC 981 distance=170' 03059-2509 B 44 distance=175' 03184-2231 SEE 23 distance=176' 03289-2723 LDS9154 distance=177' 03319-2537 VIG 5 distance=179' 03128-2244 ARA1973 distance=180' 03249-2806 LDS5424 distance=181' 03063-2646 RST 58 distance=186' 03313-2349 WSP 22 (Tojil) distance=197' 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 03187-2526 B 47 308 4.8
Show 03190-2546 RST 68 82 0.5 21
Show 03158-2510 B 46 102 1.2 44
Show 03196-2618 KPP2454 133 21.7 54
Show 03211-2610 HDS 419 250 0.2 55
Show 03225-2502 RST2305 167 0.4 57
Show 03212-2619 B 2561 142 5.9 62
Show 03219-2617 B 2562 252 13.7 67
Show 03211-2632 SWR 5 276 7.0 74
Show 03132-2551 RST 60 AB 299 1.3 79
Show 03132-2551 DAM 755 AB,C 358 8.1 79
Show 03165-2411 RST2299 190 4.1 81
Show 03240-2613 HJ 3572 95 20.7 85
Show 03253-2501 TDS2543 236 2.2 93
Show 03118-2546 WIS 84 255 999.9 96
Show 03126-2618 KPP2865 311 8.5 99
Show 03115-2532 B 45 23 7.3 99
Show 03105-2540 WIS 82 83 999.9 113
Show 03102-2527 HDS 406 287 0.3 115
Show 03243-2659 RST 72 60 1.1 121
Show 03227-2714 HDS 422 228 0.2 122
Show 03121-2400 TDS2477 231 1.0 125
Show 03184-2734 BVD 33 301 24.6 129
Show 03231-2323 KPP2451 218 21.6 136
Show 03180-2746 TDS 110 108 1.0 141
Show 03248-2722 LDS 839 201 7.5 144
Show 03172-2302 H N 18 256 9.0 146
Show 03282-2413 TDS2555 22 0.5 149
Show 03116-2719 FAR 52 18 0.1 150
Show 03123-2727 LDS 88 57 12.5 150
Show 03077-2517 TDS2452 85 0.9 151
Show 03269-2344 RSS 4 29 26.2 151
Show 03251-2321 UC 1002 191 63.0 152
Show 03278-2352 LDS3496 321 14.1 156
Show 03076-2446 RST2296 40 1.1 156
Show 03227-2258 UC 996 130 15.2 158
Show 03302-2501 KPP1735 92 13.4 158
Show 03084-2410 LDS 87 218 25.0 160
Show 03294-2406 GAA 18 351 0.0 166
Show 03234-2253 ARA1975 246 10.9 167
Show 03093-2717 KPP2308 110 19.5 169
Show 03163-2811 RST 64 242 3.9 169
Show 03195-2815 UC 981 248 20.2 170
Show 03059-2509 B 44 54 0.3 175
Show 03184-2231 SEE 23 127 0.1 176
Show 03289-2723 LDS9154 226 6.3 177
Show 03319-2537 VIG 5 25 10.2 179
Show 03128-2244 ARA1973 146 11.4 180
Show 03249-2806 LDS5424 211 21.2 181
Show 03063-2646 RST 58 184 2.7 186
Show Tojil 03313-2349 WSP 22 126 17.7 197

 
 
WDS 03187-2526 : COMPONENTS
 
 
  A
B pa=311.1°
sep=4.48"
 
 
03187-2526 A
 
 
Componente originario normalizzato AB Name HD 20657 Coord arcsec 2000 031843.97-252544.1 Mag 8.64
Spectral class G2V (yellow) PmRA 23.00 PmDE -25.0 SAO 168456
HIP 15418 Tycho2 6442-00863-1 HD 20657 ADS 2466
CD CD-25 1353 CP CP-25 413
Tycho2
Tycho2 6442-00863-1 Pflag RAmdeg 49.68322219 DEmdeg -25.42891816
PmRA 19.1 PmDE -22.7 E RAmdeg 7 E DEmdeg 7
E pmRA 1.5 E pmDE 1.4 EpRAm 1990.90 EpDEm 1990.95
Num 7 Q RAmdeg 2.0 Q DEmdeg 2.0 Q pmRA 2.0
Q pmDE 2.1 BTmag 9.352 E BTmag 0.019 VTmag 8.644
E VTmag 0.013 Prox 46 TYC T HIP 15418
CCDM A RAdeg 49.68317333 DEdeg -25.42886639 EpRA 1990 1.57
EpDE 1990 1.65 E RAdeg 7.1 E DEdeg 7.4 Posflg
Corr -0.1
SAO
SAO 168456 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 -0.025 Vmag 8.3 SpType G5
Double code Source 25 CatNum 1543 DM CD-25 1353
DMcomp BDsup HD 20657 M HD 0
GC RA1950rad 0.85771221 DE1950rad -0.44697829 PmRA2000 0.0006
PmDE2000 -0.028
Hipparcos
Catalog H HIP 15418 Proxy H RAhms 03 18 43.96
DEdms -25 25 43.9 Vmag 8.51 VarFlag R Vmag H
RAdeg 49.6832 DEdeg -25.4289 AstroRef A Plx 11.82
CCDM 03187-2526 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 311 Rho 4.572 HD 20657 BD
CD CD-25 1353 CP CP-25 413 Dm number -25 1353 VIred 0.7
SpType G2V R SpType Coord arcsec 2000 031843.96-252543.9
Hipparcos 2
HIP 15418 Sn 15 So 3 Nc 2
RArad 0.8671349829 DErad -0.4438173651 Plx 11.87 PmRA 10.87
PmDE -17.13 E RArad 0.8 E DErad 0.71 E Plx 1.14
E pmRA 1.08 E pmDE 1.06 Hpmag 8.6447 E Hpmag 0.0024
SHp 0.018 VA 0 BV 0.8 E BV 0.495
VI 0.7
CCDM
Ccdm 03187-2526 RComp Comp A Note1
Note2 Discov num DRAs 1.93 DDEs 15.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.5 Sp G5 PmNote *
PmRA 4 PmDE -25 Dm number -25 1353 Cat1 CD
Name2 168456 Cat2 SAO HD 20657 M HD
ADS BDS A 2466 M ADS BDS N IDS IDS 03144S2548A
HIC 15418
 
 
03187-2526 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 031843.72-252541.2 Mag 11.49 PmRA 11.00
PmDE -16.0 Calc delta mag 2.85 Calc coord yes
CCDM
Ccdm 03187-2526 RComp Comp B Note1
Note2 Discov num B 47 DRAs DDEs
R dRAs Year 1925 Theta 313 Rho 4.3
Obs 3 Vmag 10.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2466 M ADS BDS N IDS IDS 03144S2548B
HIC 15418