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Current system
18528+3125
A 257 EF


Nearby doubles
6' : 18526+3131
SEI 576

24' : 18518+3105
COU1012

28' : 18530+3058
LEP 159

29' : 18541+3103
ES 2421

42' : 18501+3149
A 256

44' : 18550+3053
A 258

52' : 18488+3136
LDS1015

53' : 18542+3214
HU 1294

53' : 18486+3132
TDT1063AB

55' : 18569+3112
ES 2422

60' : 18543+3221
KPP4127

62' : 18555+3215
COU1013

70' : 18497+3223
J 131

71' : 18546+3020
HDS2681

71' : 18472+3125
STF2397

72' : 18475+3149
BRT 262

75' : 18537+3012
MLB 651

76' : 18576+3209
A 260

77' : 18499+3233
HO 440

79' : 18537+3008
TDT1118

81' : 18545+3243
TDT1122

82' : 18579+3212
BKO 55

83' : 18468+3055
BRT 261

84' : 18464+3116
HJ 1345

85' : 18490+3017
TDT1067

86' : 18465+3055
A 254



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.

18528+3125 A 257 EF

 
 
18h 52m 43.84s +31° 25' 20.7" P.A. 231.00 sep 6.2 mag 13.60,15.40
 
 
Coord 2000 18528+3125 Discov num A   257 Comp EF Coord arcsec 2000 18 52 43.84 +31 25 20.7
Date first 1998 Date last 2015 Obs 9
Pa first 231 Pa last 231.2 P.A. Now (θ) 231.2°
Sep first 6.0 Sep last 6.175 Sep. Now (ρ) 6.175"
Mag pri 13.60 Mag sec 15.40 delta mag (ΔM) 1.8 Spectral class
Pri motion ra +003 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
18528+3125 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 67506 18 52 49 +31 24 34 A 257 AB 2017 9 94 0.9 8.46 13.50 5.04
Show HD 175151 67506 18 52 49 +31 24 34 A 257 A,CD 2015 14 324 82.4 8.46 11.22 2.76
Show 18 52 45 +31 25 40 A 257 CD 2012 6 262 0.7 11.80 12.10 0.30
Show 18 52 45 +31 25 40 A 257 CD,EF 2015 9 225 28.0 11.10 13.40 2.30
Show 18 52 44 +31 25 21 A 257 EF 2015 9 231 6.2 13.60 15.40 1.80 <===
Sextuple system
8 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Gaia DR2 2042186825324700672
 
 
WDS 18528+3125 A 257 EF : NOTES
 
 
discov_num notes refcode
A 257 Also a faint unequal pair about 28" from CD in 226@.
 
 
REFERENCES
 
 
refcode metd author reference
A__1895 Ma - Aitken, R.G. 1895PASP....7..305A
A__1895 PASP 7, 305, 1895 (most data also in A__1914d) 1914PLicO..12....1A
A__1896a Ma - Aitken, R.G. 1896AJ.....17...27A
A__1896a AJ 17, 27, 1896 (most data also in A__1914d) 1914PLicO..12....1A
A__1896b Ma - Aitken, R.G. 1896AN....142...77A
A__1896b AN 142, 77, 1896 (all data also in A__1896a) 1896AJ.....17...27A
A__1896c Ma - Aitken, R.G. 1896PASP....8..286A
A__1896c PASP 8, 286, 1896
A__1896d Ma - Aitken, R.G. 1896PASP....8..314A
A__1896d PASP 8, 314, 1896 (all data also in A__1896a) 1896AJ.....17...27A
A__1897a Ma - Aitken, R.G. 1897AN....142..161A
A__1897a AN 142, 161, 1897 (all data also in A__1896a) 1896AJ.....17...27A
A__1897b Ma - Aitken, R.G. 1897AJ.....17...76A
A__1897b AJ 17, 76, 1897 (all data also in A__1914d) 1914PLicO..12....1A
A__1897c Ma - Aitken, R.G. 1897AJ.....18...56A
A__1897c AJ 18, 56, 1897 (all data also in A__1914d) 1914PLicO..12....1A
A__1897d Ma j Aitken, R.G. 1897AN....145..129A
A__1897d AN 145, 129, 1897 (most data also in A__1914d) 1914PLicO..12....1A
A__1898a Ma - Aitken, R.G. 1898AJ.....18..128A
A__1898a AJ 18, 128, 1898 (all data also in other refs)
A__1898b Ma j Aitken, R.G. 1898AJ.....18..161A
A__1898b AJ 18, 161, 1898 (most data also in other refs)
A__1898b (erratum AJ 18, 180, 1898) 1898AJ.....18..180A
A__1899 Ma - Aitken, R.G. 1899PASP...11..128A
A__1899 PASP 11, 128, 1899
A__1899b Ma j Aitken, R.G. 1899AN....150..113A
A__1899b AN 150, 113, 1899
A__1900a Ma - Aitken, R.G. 1900AN....152..161A
A__1900a AN 152, 161, 1900
A__1900b Ma - Aitken, R.G. 1900AN....153..369A
A__1900b AN 153, 369, 1900
A__1900c Ma - Aitken, R.G. 1900PASP...12..127A
A__1900c PASP 12, 127, 1900 (all data also in A__1900b) 1900AN....153..369A
A__1900d Ma j Aitken, R.G. 1900AN....152..209A
A__1900d AN 152, 209, 1900
A__1900e orb - Aitken, R.G. 1900PASP...12..103A
A__1900e PASP 12, 103, 1900
A__1900f orb - Aitken, R.G. 1900PASP...12..240A
A__1900f PASP 12, 240, 1900
A__1900g Ma j Aitken, R.G. 1900PASP...12..203A
A__1900g PASP 12, 203, 1900
A__1901a Ma j Aitken, R.G. 1901LicOB...1...14A
A__1901a Lick Obs. Bull. 1, 14, 1901
A__1901b Ma j Aitken, R.G. 1901LicOB...1...66A
A__1901b Lick Obs. Bull. 1, 66, 1901
A__1901c orb - Aitken, R.G. 1901PA......9...57A
A__1901c Popular Astron. 9, 57, 1901
A__1901d Ma - Aitken, R.G. 1901AN....156..321A
A__1901d AN 156, 321, 1901 (all data also in A__1901a) 1901LicOB...1...14A
A__1901e Ma - Aitken, R.G. 1901PASP...13..161A
A__1901e PASP 13, 161, 1901 (all data also in other refs)
A__1902a Ma j Aitken, R.G. 1902LicOB...1..129A
A__1902a Lick Obs. Bull. 1, 129, 1902
A__1902b orb - Aitken, R.G. 1902LicOB...1..190A
A__1902b Lick Obs. Bull. 1, 190, 1902
A__1902c orb - Aitken, R.G. 1902PA.....10..486A
A__1902c Popular Astron. 10, 486, 1902
A__1902d orb - Aitken, R.G. 1902PASP...14..153A
A__1902d PASP 14, 153, 1902
A__1902e Ma - Aitken, R.G. 1902AN....158..245A
A__1902e AN 158, 245, 1902 (all data also in A__1902a) 1902LicOB...1..129A
A__1903 Ma j Aitken, R.G. 1903LicOB...2...16A
A__1903 Lick Obs. Bull. 2, 16, 1903
A__1903b Ma - Aitken, R.G. 1903LicOB...2...55A
A__1903b +orb Lick Obs. Bull. 2, 55, 1903 (all data also in other refs)
A__1903c orb - Aitken, R.G. 1903PA.....11...28A
A__1903c Popular Astron. 11, 28, 1903
A__1904a Ma j Aitken, R.G. 1904LicOB...2..139A
A__1904a Lick Obs. Bull. 2, 139, 1904
A__1904b Ma - Aitken, R.G. 1904LicOB...3....6A
A__1904b Lick Obs. Bull. 3, 6, 1904
A__1904c Ma - Aitken, R.G. 1904LicOB...3...61A
A__1904c Lick Obs. Bull. 3, 61, 1904
A__1905a Ma - Aitken, R.G. 1905LicOB...3...88A
A__1905a +orb Lick Obs. Bull. 3, 88, 1905 (all data also in other refs)
A__1905b Ma - Aitken, R.G. 1905LicOB...3...90A
A__1905b Lick Obs. Bull. 3, 90, 1905 (all data also in other refs)
A__1905c orb - Aitken, R.G. 1905LicOB...3..147A
A__1905c Lick Obs. Bull. 3, 147, 1905 (all data also in other refs)
A__1905d orb - Aitken, R.G. 1905LicOB...3..169A
A__1905d Lick Obs. Bull. 3, 169, 1905 (orbit catalog)
A__1905e orb - Aitken, R.G. 1905PA.....13..190A
A__1905e Popular Astron. 13, 190, 1905
A__1906a Ma - Aitken, R.G. 1906LicOB...4....4A
A__1906a Lick Obs. Bull. 4, 4, 1906
A__1906B Ma - Aitken, R.G. 1906MmRAS..56....1L
A__1906B +orb cited by Lewis (MemRAS 56, 1, 1906)
A__1906c orb - Aitken, R.G. 1906LicOB...4...75A
A__1906c Lick Obs. Bull. 4, 75, 1906
A__1906D Ma - Aitken, R.G. 1906QB821.B972.....
A__1906D cited in BDS (Burnham Double Star Cat.), 1906
A__1907a Ma - Aitken, R.G. 1907LicOB...4..101A
A__1907a Lick Obs. Bull. 4, 101, 1907
A__1907b Ma - Aitken, R.G. 1907LicOB...4..125A
A__1907b Lick Obs. Bull. 4, 124, 1907
A__1907c orb - Aitken, R.G. 1907LicOB...4..107A
A__1907c Lick Obs. Bull. 4, 107, 1907 (all data also in other refs)
A__1907d Ma - Aitken, R.G. 1907LicOB...4..170A
A__1907d Lick Obs. Bull. 4, 170, 1907 (all data also in other refs)
A__1907e orb - Aitken, R.G. 1907AN....174..217A
A__1907e AN 174, 217, 1907
A__1907f Ma - Aitken, R.G. 1907AN....176..323A
A__1907f AN 176, 323, 1907 (all data also in other refs)
A__1908a Ma - Aitken, R.G. 1908LicOB...4..166A
A__1908a Lick Obs. Bull. 4, 166, 1908
A__1908b Ma - Aitken, R.G. 1908LicOB...5...28A
A__1908b Lick Obs. Bull. 5, 28, 1908
A__1908c Ma - Aitken, R.G. 1908LicOB...5...55A
A__1908c Lick Obs. Bull. 5, 55, 1908
A__1908d Ma - Aitken, R.G. 1908LicOB...5...43A
A__1908d +orb Lick Obs. Bull. 5, 43, 1908 (all data also in other refs)
A__1908e Ma - Aitken, R.G. 1908PASP...20..185A
A__1908e PASP 20, 185, 1908 (all data also in other refs)
A__1908f orb - Aitken, R.G. 1908PASP...20..267A
A__1908f PASP 20, 267, 1908
A__1908g Ma - Aitken, R.G. 1908PASP...20..290A
A__1908g PASP 20, 290, 1908 (all data also in other refs)
A__1908h Ma - Aitken, R.G. 1908PASP...20..291A
A__1908h PASP 20, 291, 1908
A__1909a Ma - Aitken, R.G. 1909LicOB...5..115A
A__1909a Lick Obs. Bull. 5, 115, 1909
A__1909b Ma - Aitken, R.G. 1909LicOB...5..166A
A__1909b Lick Obs. Bull. 5, 166, 1909
A__1909c orb - Aitken, R.G. 1909PASP...21...83A
A__1909c PASP 21, 83, 1909
A__1910a Ma - Aitken, R.G. 1910LicOB...6...62A
A__1910a Lick Obs. Bull. 6, 62, 1910
A__1910b Ma - Aitken, R.G. 1910LicOB...6...70A
A__1910b Lick Obs. Bull. 6, 70, 1910
A__1910c - Aitken, R.G. 1910LicOB...6....1A
A__1910c Lick Obs. Bull. 6, 1, 1910 (no data)
A__1910d Ma - Aitken, R.G. 1910PASP...22...95A
A__1910d PASP 22, 95, 1910 (all data also in other refs)
A__1910e - Aitken, R.G. 1910PASP...22..137A
A__1910e PASP 22, 137, 1910 (no data)
A__1910f Ma - Aitken, R.G. 1910PASP...22..140A
A__1910f PASP 22, 140, 1910 (all data also in other refs)
A__1911 Ma - Aitken, R.G. 1911LicOB...6..163A
A__1911 Lick Obs. Bull. 6, 163, 1911
A__1911b Ma - Aitken, R.G. 1911PASP...23..238A
A__1911b PASP 23, 238, 1911 (all data also in other refs)
A__1912 Ma - Aitken, R.G. 1912LicOB...7...93A
A__1912 Lick Obs. Bull. 7, 93, 1912
A__1912b - Aitken, R.G. 1912LicOB...2....3A
A__1912b Lick Obs. Bull. 7, 3, 1912 (no data)
A__1912c - Aitken, R.G. 1912PASP...24..126A
A__1912c PASP 24, 126, 1912 (no data)
A__1912d orb - Aitken, R.G. 1912PASP...24..165A
A__1912d PASP 24, 165, 1912
A__1912e orb - Aitken, R.G. 1912PASP...24..216A
A__1912e PASP 24, 216, 1912
A__1912f Ma - Aitken, R.G. 1912PASP...24..228A
A__1912f PASP 24, 228, 1912 (all data also in other refs)
A__1912g Ma - Aitken, R.G. 1912PA.....20..643A
A__1912g Popular Astron. 20, 643, 1912 (all data also in other refs)
A__1913 Ma - Aitken, R.G. 1913LicOB...7..186A
A__1913 Lick Obs. Bull. 7, 186, 1913
A__1913b Ma - Aitken, R.G. 1913PASP...25...41A
A__1913b +orb PASP 25, 41, 1913 (all data also in other refs)
A__1914a Ma - Aitken, R.G. 1914LicOB...8...52A
A__1914a Lick Obs. Bull. 8, 52, 1914
A__1914b Ma - Aitken, R.G. 1914LicOB...8...93A
A__1914b Lick Obs. Bull. 8, 93, 1914
A__1914c Ma - Aitken, R.G. 1914LicOB...8...96A
A__1914c Lick Obs. Bull. 8, 96, 1914
A__1914d Ma j Aitken, R.G. 1914PLicO..12....1A
A__1914d +orb Pub. Lick Obs. 12, 1, 1914
A__1914e orb - Aitken, R.G. 1914PLicO..12..100A
A__1914e Pub. Lick Obs. 12, 100, 1914
A__1914f orb - Aitken, R.G. 1914LicOB...8...99A
A__1914f Lick Obs. Bull. 8, 99, 1914
A__1914g Ma - Aitken, R.G. 1914PASP...26...53A
A__1914g PASP 26, 53, 1914 (all data also in other refs)
A__1914h Ma - Aitken, R.G. 1914PASP...26..205A
A__1914h PASP 26, 205, 1914 (all data also in other refs)
A__1914i Ma - Aitken, R.G. 1914PASP...26..208A
A__1914i +orb PASP 26, 208, 1914 (all data also in other refs)
A__1915 Ma - Aitken, R.G. 1915PASP...27..230A
A__1915 PASP 27, 230, 1915 (some data also in other refs)
A__1916a orb - Aitken, R.G. 1916PASP...28..121A
A__1916a PASP 28, 121, 1916
A__1916b Ma - Aitken, R.G. 1916PASP...28..276A
A__1916b PASP 28, 276, 1916 (all data also in other refs)
A__1917a Ma - Aitken, R.G. 1917PASP...29..207A
A__1917a PASP 29, 207, 1917 (all data also in other refs)
A__1917b Ma - Aitken, R.G. 1917PASP...29..217A
A__1917b PASP 29, 217, 1917 (all data also in other refs)
A__1918a Ma - Aitken, R.G. 1918LicOB...9..132A
A__1918a Lick Obs. Bull. 9, 132, 1918
A__1918b orb - Aitken, R.G. 1918LicOB...9..184A
A__1918b Lick Obs. Bull. 9, 184, 1918
A__1918c orb - Aitken, R.G. 1918LicOB...9..191A
A__1918c Lick Obs. Bull. 9, 191, 1918
A__1918d orb - Aitken, R.G. 1918PAAS....3R..68A
A__1918d PAAS 3, 68, 1918
A__1918e Ma - Aitken, R.G. 1918PASP...30...69A
A__1918e PASP 30, 69, 1918 (all data also in other refs)
A__1918f Ma - Aitken, R.G. 1918PASP...30...71A
A__1918f PASP 30, 71, 1918 (all data also in other refs)
A__1918g orb - Aitken, R.G. 1918PASP...30..194A
A__1918g PASP 30, 194, 1918
A__1918h Ma - Aitken, R.G. 1918PASP...30..262A
A__1918h PASP 30, 262, 1918 (all data also in other refs)
A__1918i orb - Aitken, R.G. 1918PASP...30..311A
A__1918i PASP 30, 311, 1918
A__1919a Ma - Aitken, R.G. 1919PASP...31...44A
A__1919a PASP 31, 44, 1919 (all data also in other refs)
A__1919b Ma - Aitken, R.G. 1919PASP...31..116A
A__1919b PASP 31, 116, 1919 (all data also in other refs)
A__1919c Ma - Aitken, R.G. 1919PASP...31..197A
A__1919c PASP 31, 197, 1919 (all data also in other refs)
A__1919d orb - Aitken, R.G. 1919PASP...31..285A
A__1919d PASP 31, 285, 1919
A__1920a Ma - Aitken, R.G. 1920RGOO.....f...1.
A__1920a Greenwich Observations, F1, 1920
A__1920b Ma - Aitken, R.G. 1920PASP...32...56A
A__1920b PASP 32, 56, 1920 (most data also in other refs)
A__1920c orb - Aitken, R.G. 1920PASP...32..215A
A__1920c PASP 32, 215, 1920
A__1921a Ma - Aitken, R.G. 1921PASP...33...60A
A__1921a PASP 33, 60, 1921 (all data also in other refs)
A__1921b Ma - Aitken, R.G. 1921PASP...33..270A
A__1921b PASP 33, 270, 1921 (all data also in other refs)
A__1922a - Aitken, R.G. 1922PASP...34...52A
A__1922a PASP 34, 52, 1922 (no data)
A__1922b orb - Aitken, R.G. 1922PAAS....4....6A
A__1922b Pub. AAS 4, 6, 1922
A__1923a Ma j Aitken, R.G. 1923LicOB..11...58A
A__1923a +orb Lick Obs. Bull. 11, 58, 1923
A__1923b orb - Aitken, R.G. 1923PASP...35..258A
A__1923b PASP 35, 258, 1923
A__1923c orb - Aitken, R.G. 1923LicOB..11...66A
A__1923c Lick Obs. Bull. 11, 66, 1923
A__1923d orb - Aitken, R.G. 1923LicOB..11...70A
A__1923d Lick Obs. Bull. 11, 70, 1923
A__1923e orb - Aitken, R.G. 1923LicOB..11...79A
A__1923e Lick Obs. Bull. 11, 79, 1923
A__1923f orb - Aitken, R.G. 1923LicOB..11...83A
A__1923f Lick Obs. Bull. 11, 83, 1923
A__1923g orb - Aitken, R.G. 1923LicOB..11...85A
A__1923g Lick Obs. Bull. 11, 85, 1923
A__1923h orb - Aitken, R.G. 1923LicOB..11...97A
A__1923h Lick Obs. Bull. 11, 97, 1923
A__1923i orb - Aitken, R.G. 1923PASP...35...70A
A__1923i PASP 35, 70, 1923
A__1923j Ma - Aitken, R.G. 1923PASP...35..323A
A__1923j PASP 35, 323, 1923 (all data also in other refs)
A__1924 Ma - Aitken, R.G. 1924PASP...36..296A
A__1924 PASP 36, 296, 1924 (all data also in other refs)
A__1925a orb - Aitken, R.G. 1925PASP...37..222A
A__1925a +D PASP 37, 222, 1925
A__1925b orb - Aitken, R.G. 1925LicOB..12...45A
A__1925b Lick Obs. Bull. 12, 45, 1925
A__1925c orb - Aitken, R.G. 1925LicOB..12...47A
A__1925c Lick Obs. Bull. 12, 47, 1925
A__1925D Ma - Aitken, R.G. 1925MNRAS..85..276E
A__1925D cited by Milburn (MNRAS 85, 276, 1925)
A__1926a Ma - Aitken, R.G. 1926PASP...38..131A
A__1926a PASP 38, 131, 1926 (all data also in other refs)
A__1926b Ma - Aitken, R.G. 1926PASP...38..334A
A__1926b PASP 38, 334, 1926 (all data also in other refs)
A__1927a Ma - Aitken, R.G. 1927LicOB..12..170A
A__1927a Lick Obs. Bull. 12, 170, 1927
A__1927b Ma j Aitken, R.G. 1927LicOB..12..173A
A__1927b Lick Obs. Bull. 12, 173, 1927
A__1927c orb - Aitken, R.G. 1927PASP...39...45A
A__1927c PASP 39, 45, 1927
A__1928 Ma - Aitken, R.G. 1928PASP...40..355A
A__1928 PASP 40, 355, 1928 (all data also in other refs)
A__1929a Ma - Aitken, R.G. 1929LicOB..14...62A
A__1929a Lick Obs. Bull. 14, 62, 1929
A__1929b Ma - Aitken, R.G. 1929LicOB..14...88A
A__1929b Lick Obs. Bull. 14, 88, 1929
A__1930a Ma - Aitken, R.G. 1930PASP...42...60A
A__1930a PASP 42, 60, 1930 (all data also in other refs)
A__1930b Ma - Aitken, R.G. 1930PASP...42..123A
A__1930b PASP 42, 123, 1930 (most data also in other refs)
A__1932a Ma - Aitken, R.G. 1932QB821.A43......
A__1932a Aitken Double Star Catalogue, 1932
A__1932b Ma - Aitken, R.G. 1932QB821.A43......
A__1932b Aitken Double Star Catalogue, 1932 (formerly combined in means)
A__1932c orb - Aitken, R.G. 1932PASP...44..127A
A__1932c PASP 44, 127, 1932
A__1932d orb - Aitken, R.G. 1932PASP...44..129A
A__1932d PASP 44, 129, 1932
A__1932e Ma - Aitken, R.G. 1932PASP...44..132A
A__1932e PASP 44, 132, 1932 (all data also in other refs)
A__1933a Ma - Aitken, R.G. 1933PASP...45...90A
A__1933a PASP 45, 90, 1933
A__1933b Ma - Aitken, R.G. 1933PASP...45..261A
A__1933b PASP 45, 261, 1933
A__1933c Ma - Aitken, R.G. 1933LicOB..16...93A
A__1933c Lick Obs. Bull. 16, 93, 1933
A__1933d Ma - Aitken, R.G. 1933LicOB..16...96A
A__1933d Lick Obs. Bull. 16, 96, 1933
A__1933e Ma - Aitken, R.G. 1933PASP...45..190A
A__1933e PASP 45, 190, 1933 (all data also in other refs)
A__1934a Ma - Aitken, R.G. 1934PASP...46..110A
A__1934a PASP 46, 110, 1934 (all data also in other refs)
A__1934b - Aitken, R.G. 1934PASP...46..284A
A__1934b PASP 46, 284, 1934 (no data)
A__1935e Ma j Aitken, R.G. 1935LicOB..17...91A
A__1935e Lick Obs. Bull. 17, 91, 1935
A__1935f - Aitken, R.G. 1935QB821.A3.......
A__1935f The Binary Stars, 1935
A__1936 orb - Aitken, R.G. 1936PASP...48..175A
A__1936 PASP 48, 175, 1936
A__1937a Ma - Aitken, R.G. 1937LicOB..18...53A
A__1937a Lick Obs. Bull. 18, 53, 1937
A__1937b Ma - Aitken, R.G. 1937LicOB..18..109A
A__1937b Lick Obs. Bull. 18, 109, 1937
A__9999 Ma - Aitken, R.G. ...................
A__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
18528+3125 A 257 EF 2010 4 234 5.9 13.60 15.40 N 185243.84+312520.7
18528+3125 A 257 EF 2015 5 231 6.2 13.60 15.40 N 185243.84+312520.7

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

 
 
WDS 18528+3125 A 257 EF : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18528+3125 A 257 EF : MEASURES
 
 
No records found.

 
 
WDS 18528+3125 : VIRTUAL EYEPIECE
 
 

18528+3125 A 257A mag 8.46 Sp F 18528+3125 A 257B sep 0.7 P.A. 94.30 mag 13.5 18528+3125 A 257C sep 82.5 P.A. 324.00 mag 11.8 18528+3125 A 257D sep 82.8 P.A. 323.60 mag 12.1 18528+3125 A 257E sep 83.0 P.A. 304.50 mag 13.6 18528+3125 A 257F sep 84.3 P.A. 300.80 mag 15.4 virtual eyepiece
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Radius:
Components only
 
 
WDS 18528+3125 : ALADIN DSS IMAGE @ 18h 52m 43.84s +31° 25' 20.7"
 
 
 
 
WDS 18528+3125 A 257 EF : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18528+3125 A 257EF distance=1' 18528+3125 A 257CD,EF distance=1' 18528+3125 A 257CD distance=1' 18528+3125 A 257AB distance=2' 18528+3125 A 257A,CD distance=2' 18526+3131 SEI 576 distance=6' 18518+3105 COU1012 distance=24' 18530+3058 LEP 159 distance=28' 18541+3103 ES 2421 distance=29' 18501+3149 A 256 distance=42' 18550+3053 A 258 distance=44' 18488+3136 LDS1015 distance=52' 18542+3214 HU 1294 distance=53' 18486+3132 TDT1063AB distance=53' 18486+3132 TDT1063AC distance=53' 18569+3112 ES 2422 distance=55' 18543+3221 KPP4127 distance=60' 18555+3215 COU1013 distance=62' 18497+3223 J 131 distance=70' 18546+3020 HDS2681 distance=71' 18472+3125 STF2397 distance=71' 18475+3149 BRT 262 distance=72' 18537+3012 MLB 651 distance=75' 18576+3209 A 260 distance=76' 18499+3233 HO 440 distance=77' 18537+3008 TDT1118 distance=79' 18545+3243 TDT1122 distance=81' 18579+3212 BKO 55 distance=82' 18468+3055 BRT 261 distance=83' 18464+3116 HJ 1345 distance=84' 18490+3017 TDT1067 distance=85' 18465+3055 A 254 distance=86' 18582+3216 GYL 12AB distance=87' 18582+3216 BKO 56AC distance=87' 18486+3016 TDT1064 distance=87' 18548+3002 LSC 84AB distance=88' 18548+3002 LSC 84AC distance=88' 18458+3113 SLE 120 distance=90' 18466+3210 HU 935 distance=90' 18498+3249 H 5 40CD distance=91' 18537+3256 ITF 165 distance=92' 18498+3249 H 5 40AB distance=92' 18498+3249 H 5 40AC distance=92' 18498+3249 WAL 95AE distance=92' 18498+3249 WAL 95AF distance=92' 18579+3020 COU1017 distance=94' 18514+2954 TDT1087 distance=94' 18527+3301 WLY 1CD distance=96' 18527+3301 BAR 46AB distance=96' 18527+3301 BAR 46AC distance=96' 18598+3055 LEP 160 distance=97' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 18528+3125 A 257 EF 231 6.2 1
Show 18528+3125 A 257 CD,EF 225 28.0 1
Show 18528+3125 A 257 CD 262 0.7 1
Show 18528+3125 A 257 AB 94 0.9 2
Show 18528+3125 A 257 A,CD 324 82.4 2
Show 18526+3131 SEI 576 297 16.0 6
Show 18518+3105 COU1012 238 0.4 24
Show 18530+3058 LEP 159 357 10.5 28
Show 18541+3103 ES 2421 69 7.7 29
Show 18501+3149 A 256 60 2.9 42
Show 18550+3053 A 258 228 0.3 44
Show 18488+3136 LDS1015 301 110.3 52
Show 18542+3214 HU 1294 119 1.6 53
Show 18486+3132 TDT1063 AB 106 0.1 53
Show 18486+3132 TDT1063 AC 142 1.1 53
Show 18569+3112 ES 2422 178 5.7 55
Show 18543+3221 KPP4127 303 1.5 60
Show 18555+3215 COU1013 147 0.6 62
Show 18497+3223 J 131 179 2.7 70
Show 18546+3020 HDS2681 282 4.4 71
Show 18472+3125 STF2397 269 3.9 71
Show 18475+3149 BRT 262 342 4.8 72
Show 18537+3012 MLB 651 66 4.6 75
Show 18576+3209 A 260 246 0.9 76
Show 18499+3233 HO 440 175 18.4 77
Show 18537+3008 TDT1118 161 0.6 79
Show 18545+3243 TDT1122 329 1.2 81
Show 18579+3212 BKO 55 161 15.2 82
Show 18468+3055 BRT 261 18 4.7 83
Show 18464+3116 HJ 1345 169 11.7 84
Show 18490+3017 TDT1067 342 2.2 85
Show 18465+3055 A 254 48 2.3 86
Show 18582+3216 GYL 12 AB 146 20.3 87
Show 18582+3216 BKO 56 AC 19 11.3 87
Show 18486+3016 TDT1064 163 0.5 87
Show 18548+3002 LSC 84 AB 22 0.0 88
Show 18548+3002 LSC 84 AC 138 0.3 88
Show 18458+3113 SLE 120 115 6.9 90
Show 18466+3210 HU 935 153 3.1 90
Show 18498+3249 H 5 40 CD 212 18.5 91
Show 18537+3256 ITF 165 115 7.0 92
Show 18498+3249 H 5 40 AB 76 33.7 92
Show 18498+3249 H 5 40 AC 120 57.5 92
Show 18498+3249 WAL 95 AE 350 80.0 92
Show 18498+3249 WAL 95 AF 349 70.5 92
Show 18579+3020 COU1017 185 1.8 94
Show 18514+2954 TDT1087 204 1.6 94
Show 18527+3301 WLY 1 CD 125 6.6 96
Show 18527+3301 BAR 46 AB 140 2.2 96
Show 18527+3301 BAR 46 AC 251 40.6 96
Show 18598+3055 LEP 160 63 5.4 97

 
 
WDS 18528+3125 : COMPONENTS
 
 
  A B C D E
B pa=94.3°
sep=0.73"
 
C pa=324.0°
sep=82.48"
pa=323.6°
sep=82.96"
 
D pa=323.6°
sep=82.76"
pa=323.2°
sep=83.24"
pa=260.2°
sep=0.63"
 
E pa=304.5°
sep=82.96"
pa=304.3°
sep=83.59"
pa=225.2°
sep=27.96"
pa=224.4°
sep=27.45"
 
F pa=300.8°
sep=84.33"
pa=300.5°
sep=84.99"
pa=225.5°
sep=33.60"
pa=224.8°
sep=33.08"
pa=226.7°
sep=5.64"
 
 
18528+3125 A
 
 
Name HD 175151 Coord arcsec 2000 185249.18+312433.7 Mag 8.46 Spectral class F (yellow-white)
PmRA -1.00 PmDE 0.0 SAO 67506 Tycho2 2638-01972-1
HD 175151 DM BD+31 3384
Tycho2
Tycho2 2638-01972-1 Pflag RAmdeg 283.20492681 DEmdeg 31.40938411
PmRA 0.9 PmDE 1.6 E RAmdeg 7 E DEmdeg 7
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.94 EpDEm 1990.87
Num 10 Q RAmdeg 1.0 Q DEmdeg 1.1 Q pmRA 1.1
Q pmDE 1.1 BTmag 9.030 E BTmag 0.017 VTmag 8.465
E VTmag 0.013 Prox 825 TYC T HIP
CCDM RAdeg 283.20492444 DEdeg 31.40938083 EpRA 1990 1.47
EpDE 1990 1.51 E RAdeg 6.7 E DEdeg 6.7 Posflg
Corr 0.0
SAO
SAO 67506 DelFlag RA1950 PmRA1950 -0.0001
DE1950 PmDE1950 0.009 Vmag 8.5 SpType F
Double code Source 6 CatNum 1698 DM BD+31 3384
DMcomp BDsup HD 175151 M HD 0
GC RA1950rad 4.93456268 DE1950rad 0.54710673 PmRA2000 0.0001
PmDE2000 0.009
CCDM
Ccdm 18528+3125 RComp Comp A Note1
Note2 Discov num DRAs 1.03 DDEs -26.7
R dRAs 10 Year Theta Rho
Obs 4 Vmag 8.6 Sp F PmNote *
PmRA -16 PmDE -5 Dm number +31 3384 Cat1 BD
Name2 +31 1698 Cat2 AGK2/3 HD 175151 M HD
ADS BDS A11789 M ADS BDS N IDS IDS 18490N3117A
HIC
 
 
18528+3125 B
 
 
Coord arcsec 2000 185249.24+312433.6 Mag 13.5 Calc delta mag 5.04 Calc coord yes
CCDM
Ccdm 18528+3125 RComp Comp B Note1
Note2 Discov num A 257 DRAs DDEs
R dRAs Year 1901 Theta 109 Rho 0.9
Obs 3 Vmag 13.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11789 M ADS BDS N N IDS IDS 18490N3117B
HIC
 
 
18528+3125 C
 
 
Coord arcsec 2000 185245.39+312540.4 Mag 11.8 PmRA -1.00 PmDE 4.0
Tycho2 2638-00842-1 Calc delta mag 3.34
Tycho2
Tycho2 2638-00842-1 Pflag RAmdeg 283.18914202 DEmdeg 31.42790920
PmRA -0.8 PmDE 3.8 E RAmdeg 42 E DEmdeg 38
E pmRA 2.1 E pmDE 2.0 EpRAm 1983.06 EpDEm 1983.04
Num 5 Q RAmdeg 1.0 Q DEmdeg 0.4 Q pmRA 1.0
Q pmDE 0.4 BTmag 11.776 E BTmag 0.081 VTmag 11.221
E VTmag 0.082 Prox 825 TYC T HIP
CCDM RAdeg 283.18913306 DEdeg 31.42789861 EpRA 1990 1.47
EpDE 1990 1.53 E RAdeg 53.7 E DEdeg 51.8 Posflg
Corr 0.0
CCDM
Ccdm 18528+3125 RComp Comp C Note1
Note2 Discov num A 257 DRAs DDEs
R dRAs Year 1910 Theta 325 Rho 82.2
Obs 3 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11789 M ADS BDS N IDS IDS 18490N3117C
HIC
 
 
18528+3125 D
 
 
Coord arcsec 2000 185245.34+312540.3 Mag 12.1 PmRA -1.00 PmDE 4.0
Calc delta mag 3.64 Calc coord yes
CCDM
Ccdm 18528+3125 RComp C Comp D Note1
Note2 Discov num A 257 DRAs DDEs
R dRAs Year 1910 Theta 264 Rho 0.6
Obs 3 Vmag 11.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11789 M ADS BDS N IDS IDS 18490N3117D
HIC
 
 
18528+3125 E
 
 
Coord arcsec 2000 185243.84+312520.7 Mag 13.6 PmRA 3.00 PmDE 1.0
Calc delta mag 5.14
 
 
18528+3125 F
 
 
Coord arcsec 2000 185243.52+312516.8 Mag 15.4 Calc delta mag 6.94 Calc coord yes