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Current system
20385+5308
MLR 642


Nearby doubles
21' : 20384+5248
SKF 348AB

22' : 20408+5307
ES 2698AB

43' : 20397+5227
ES 992

43' : 20377+5351
A 1681AB

50' : 20427+5238
A 1683

55' : 20405+5217
TDT2463

57' : 20444+5253
MLR 643

57' : 20337+5232
TDS1082

57' : 20384+5212
TDT2443

62' : 20327+5235
TDT2350

67' : 20403+5413
OSO 129AB

70' : 20435+5217
TVB 6

71' : 20372+5159
TDT2428

73' : 20460+5247
ES 996

74' : 20429+5206
ES 995

81' : 20402+5427
A 1682

82' : 20369+5429
STI2545

82' : 20376+5429
KPP2376

82' : 20455+5401
HLD 41AB

84' : 20368+5431
TDT2419

85' : 20379+5144
OSO 128AB

86' : 20331+5420
STI2539

90' : 20375+5437
STI2546

91' : 20358+5435
ES 991AB

92' : 20354+5435
STI2543

94' : 20421+5436
ES 994



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.

20385+5308 MLR 642

 
 
20h 38m 26.16s +53° 08' 19.0" P.A. 143.00 sep 5.2 mag 10.95,12.70
 
 
Coord 2000 20385+5308 Discov num MLR 642 Comp Coord arcsec 2000 20 38 26.16 +53 08 19.0
Date first 1988 Date last 2015 Obs 9
Pa first 142 Pa last 142.5 P.A. Now (θ) 142.5°
Sep first 5.5 Sep last 5.207 Sep. Now (ρ) 5.207"
Mag pri 10.95 Mag sec 12.70 delta mag (ΔM) 1.75 Spectral class
Pri motion ra +005 Sec motion ra
Pri motion dec +006 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3950-02514-1 Gaia DR2 2183127581592763264
 
 
WDS 20385+5308 MLR 642 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Mlr1938 Ma - Muller, P. 1938JO.....21..113M
Mlr1938 +Mc J. Obs. 21, 113, 1938
Mlr1939 - Muller, P. 1939JO.....22..181M
Mlr1939 J. Obs. 22, 181, 1939 (all data published elsewhere)
Mlr1946a Ma - Muller, P. 1946JO.....29...69M
Mlr1946a +Mc J. Obs. 29, 69, 1946
Mlr1946b Mc - Muller, P. (measure by Danjon, A.) 1946JO.....29...69M
Mlr1946b J. Obs. 29, 69, 1946
Mlr1947 Ma - Muller, P. 1947JO.....30..104M
Mlr1947 +Mc J. Obs. 30, 104, 1947
Mlr1948 Md - Muller, P. 1948AnStr...5....1M
Mlr1948 Ann. Obs. Strasbourg 5, pt. 1, 1948
Mlr1948 (Visual measures with double-image micrometer and 16cm refractor. No dates given
Mlr1948 for measures; default date = decade of publication added.)
Mlr1949a Md - Muller, P. 1949AnStr...5....2M
Mlr1949a Ann. Obs. Strasbourg 5, pt. 2, 1949
Mlr1949a (Visual measures with double-image micrometer and 49cm refractor. No dates given
Mlr1949a for measures; default date = decade of publication added.)
Mlr1949b Mc - Muller, P. 1949JO.....32...77M
Mlr1949b J. Obs. 32, 77, 1949
Mlr1949c orb - Muller, P. 1949JO.....32...34M
Mlr1949c J. Obs. 32, 34, 1949
Mlr1950a Mc - Muller, P. 1950JO.....33...93M
Mlr1950a J. Obs. 33, 93, 1950
Mlr1950b Mc - Muller, P. 1950JO.....33..105M
Mlr1950b J. Obs. 33, 105, 1950
Mlr1951a Mc - Muller, P. 1951JO.....34...81M
Mlr1951a J. Obs. 34, 81, 1951
Mlr1951b Md - Muller, P. 1951AnStr...5....3M
Mlr1951b Ann. Obs. Strasbourg 5, pt. 3, 1951
Mlr1951b (Visual measures with double-image micrometer and 16cm refractor. No dates given
Mlr1951b for measures; default date = decade of publication added.)
Mlr1951c Md - Muller, P. 1951AnStr...5....3M
Mlr1951c Ann. Obs. Strasbourg 5, pt. 3, 1951
Mlr1951c (Visual measures with double-image micrometer on 23 and 60cm refractors at
Mlr1951c Pic-du-Midi. See Mlr1950b. No dates listed; default date = decade of publication.)
Mlr1952a Mc - Muller, P. 1952JO.....35...95M
Mlr1952a J. Obs. 35, 95, 1952
Mlr1952b orb - Muller, P. .
Mlr1952b Bull. Astron. Paris 16, 203-212, 1952
Mlr1952c Md - Muller, P. 1952AnStr...5....4M
Mlr1952c Ann. Obs. Strasbourg 5, pt. 4, 1952
Mlr1952c (Visual measures with double-image micrometer and various filters on 16 and 49 cm
Mlr1952c refractors at Strasbourg and 60cm at Pic-du-Midi. Measures listed as "III" are
Mlr1952c tabulated. Some of these measures are incorporated in earlier MLR lists. No dates
Mlr1952c listed; default date = decade of publication.)
Mlr1952d orb - Muller, P. .
Mlr1952d Bull. Astron. Paris 16, 263-275, 1952
Mlr1952e orb - Muller, P. .
Mlr1952e Bull. Astron. Paris 16, 277-282, 1952
Mlr1952f - Muller, P. 1952POHP....2...49M
Mlr1952f Pub. Obs. Haute Provence 2, #49, 1952
Mlr1952g Md - Muller, P. 1952JO.....35..177M
Mlr1952g +Mc J. Obs. 35, 177, 1952
Mlr1953a - Muller, P. 1953JO.....36..104M
Mlr1953a J. Obs. 36, 104, 1953
Mlr1953b Mc - Muller, P. 1953JO.....36..130M
Mlr1953b J. Obs. 36, 130, 1953
Mlr1954a Mc - Muller, P. 1954AJ.....59..388M
Mlr1954a +orb AJ 59, 388, 1954
Mlr1954b orb - Muller, P. 1954JO.....37...61M
Mlr1954b J. Obs. 37, 61-72, 1954
Mlr1954c Mc - Muller, P. 1954JO.....37..125M
Mlr1954c J. Obs. 37, 125, 1954
Mlr1954d - Muller, P. 1954JO.....37..169M
Mlr1954d J. Obs. 37, 169, 1954
Mlr1955a orb - Muller, P. 1955JO.....38...17M
Mlr1955a J. Obs. 38, 17-26, 1955
Mlr1955b orb - Muller, P. 1955JO.....38...58M
Mlr1955b J. Obs. 38, 58-64, 1955
Mlr1955c Mc - Muller, P. 1955JO.....38..221M
Mlr1955c J. Obs. 38, 221, 1955
Mlr1956a Mc - Muller, P. 1956JO.....39..127M
Mlr1956a J. Obs. 39, 127, 1956
Mlr1956b orb - Muller, P. 1956AnStr...5...29M
Mlr1956b Ann. Obs. Strasbourg 5 pt. 29, 1956
Mlr1956c orb - Muller, P. .
Mlr1956c Bull. Astron. Paris 20, 145, 1956
Mlr1956d Mc - Muller, P. 1956JO.....39..181M
Mlr1956d J. Obs. 39, 183, 1956
Mlr1957a orb - Muller, P. .
Mlr1957a Bull. Astron. Paris 21, 131, 1957
Mlr1957b orb - Muller, P. 1957JO.....40...48M
Mlr1957b J. Obs. 40, 48, 1957
Mlr1957c Mc - Muller, P. 1958JO.....40..157M
Mlr1957c J. Obs. 40, 157, 1957
Mlr1958 Mc - Muller, P. 1958JO.....41..109M
Mlr1958 J. Obs. 41, 109, 1958
Mlr1959 Mc - Muller, P. 1959JO.....42...85M
Mlr1959 J. Obs. 42, 85, 1959
Mlr1963 orb - Muller, P. .
Mlr1963 Bull. Astron. Paris 24, 1, 1963
Mlr1966a Mc - Muller, P. 1966JO.....49..335M
Mlr1966a J. Obs. 49, 335, 1966
Mlr1966b orb - Muller, P. 1966IAUDS..39....1M
Mlr1966b Inf. Circ. 39, 1, 1966
Mlr1970 Ma - Muller, P. 1970A&AS....1..399M
Mlr1970 A&AS 1, 399, 1970
Mlr1973a Ma - Muller, P. .
Mlr1973a +Mc Pub. Obs. Paris, June 1973
Mlr1973b orb - Muller, P. 1973IAUDS..59....1M
Mlr1973b Inf. Circ. 59, 1, 1973
Mlr1973c Ma - Muller, P. 1973IAUDS..60....1M
Mlr1973c Inf. Circ. 60, 1, 1973
Mlr1973d Ma - Muller, P. 1973IAUDS..61R...1M
Mlr1973d Inf. Circ. 61, 1, 1973
Mlr1974b Ma - Muller, P. 1974IAUDS..62....1M
Mlr1974b Inf. Circ. 62, 1, 1974
Mlr1974 orb - Muller, P. 1974A&AS...13...99M
Mlr1974 A&AS 13, 99, 1974
Mlr1975a Ma - Muller, P. 1975IAUDS..64....1M
Mlr1975a Inf. Circ. 64, 1, 1975
Mlr1975b Ma - Muller, P. 1975IAUDS..67....1M
Mlr1975b Inf. Circ. 67, 1, 1975
Mlr1976b Ma - Muller, P. 1976IAUDS..70....1M
Mlr1976b Inf. Circ. 70, 1, 1976
Mlr1976 Mc - Muller, P. 1976A&AS...23..205M
Mlr1976 A&AS 23, 205, 1976
Mlr1978a orb - Muller, P. 1978A&AS...32..173M
Mlr1978a A&AS 32, 173, 1978
Mlr1978b Ma - Muller, P. 1978A&AS...33..275M
Mlr1978b A&AS 33, 275, 1978
Mlr1980a Ma - Muller, P. 1980IAUDS..81....1M
Mlr1980a Inf. Circ. 81, 1, 1980
Mlr1980b Ma - Muller, P. 1980IAUDS..82....1M
Mlr1980b Inf. Circ. 82, 1, 1980
Mlr1981 Ma - Muller, P. 1981IAUDS..85....1M
Mlr1981 Inf. Circ. 85, 1, 1981
Mlr1982 Ma - Muller, P. 1982IAUDS..88....1M
Mlr1982 Inf. Circ. 88, 1, 1982
Mlr1983 Ma - Muller, P. 1983IAUDS..90....1M
Mlr1983 Inf. Circ. 90, 1, 1983
Mlr1984 Ma j Muller, P. 1984A&AS...57..467M
Mlr1984 A&AS 57, 467, 1984
Mlr1986 Ma - Muller, P. 1986IAUDS..98....1M
Mlr1986 Inf. Circ. 98, 1, 1986
Mlr1987A Ma - Muller, P. 1987A&A....70..193C
Mlr1987A cited by Couteau (A&A 70, 193, 1987)
Mlr1990 Ma j Muller, P. 1990A&AS...84..619M
Mlr1990 A&AS 84, 619, 1990
Mlr1991b orb - Muller, P. 1991O&T....28...12M
Mlr1991b Obs. et Travaux 28, 12, 1991
Mlr1991 orb - Muller, P. 1991IAUDS.115....1M
Mlr1991 Inf. Circ. 115, 1, 1991
Mlr1993 Ma j Muller, P. 1993A&AS..102..643M
Mlr1993 A&AS 102, 643, 1993
Mlr1993b - Muller, P. 1993O&T....33....9M
Mlr1993b Obs. et Travaux 33, 9, 1993
Mlr1997 Ma - Muller, P. 1997A&AS..126..273M
Mlr1997 A&AS 126, 273, 1997
Mlr2006 Ma - Muller, P. (article by P. Durand & C. Pinlou) 2006O&T....64...16D
Mlr2006 Obs. et Travaux 64, 16, 2006
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20385+5308 MLR 642 2000 2 143 5.2 10.95 12.70 D 203826.16+530819.0
20385+5308 MLR 642 2004 3 143 5.2 10.95 12.70 D 203826.16+530819.0
20385+5308 MLR 642 2010 5 142 4.2 10.95 12.70 203826.16+530819.0
20385+5308 MLR 642 2015 5 143 5.3 10.95 12.70 203826.16+530819.0

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

 
 
WDS 20385+5308 MLR 642 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20385+5308 MLR 642 : MEASURES
 
 
No records found.

 
 
WDS 20385+5308 : VIRTUAL EYEPIECE
 
 

20385+5308 MLR 642A mag 10.95 20385+5308 MLR 642B sep 4.5 P.A. 155.30 mag 12.7 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 20385+5308 : ALADIN DSS IMAGE @ 20h 38m 26.16s +53° 08' 19.0"
 
 
 
 
WDS 20385+5308 MLR 642 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20385+5308 MLR 642 distance=0' 20384+5248 TDT2442Aa,Ab distance=21' 20384+5248 SKF 348AB distance=21' 20408+5307 ES 2698AB distance=22' 20424+5312 RAO 618CD distance=36' 20397+5227 ES 992 distance=43' 20377+5351 A 1681AB distance=43' 20377+5351 A 1681AC distance=43' 20427+5238 A 1683 distance=50' 20405+5217 TDT2463 distance=55' 20444+5253 MLR 643 distance=57' 20337+5232 TDS1082 distance=57' 20384+5212 TDT2443 distance=57' 20327+5235 TDT2350 distance=62' 20403+5413 OSO 129AB distance=67' 20403+5413 OSO 129AC distance=67' 20403+5413 OSO 129AD distance=67' 20403+5413 OSO 129AE distance=67' 20435+5217 TVB 6 distance=70' 20372+5159 TDT2428 distance=71' 20460+5247 ES 996 distance=73' 20429+5206 ES 995 distance=74' 20402+5427 A 1682 distance=81' 20369+5429 STI2545 distance=82' 20376+5429 KPP2376 distance=82' 20455+5401 HLD 41AB distance=82' 20455+5401 HLD 41AC distance=82' 20368+5431 TDT2419 distance=84' 20379+5144 OSO 128AB distance=85' 20379+5144 OSO 128AC distance=85' 20331+5420 STI2539 distance=86' 20375+5437 STI2546 distance=90' 20358+5435 ES 991CD distance=90' 20358+5435 ES 991AB distance=91' 20358+5435 ES 991AC distance=91' 20354+5435 STI2543 distance=92' 20421+5436 ES 994 distance=94' 20301+5407 TDS1077 distance=95' 20479+5224 ES 93 distance=97' 20334+5142 TDT2369 distance=98' 20474+5407 ES 997 distance=100' 20448+5430 TOI1356 distance=100' 20388+5447 STI2550 distance=100' 20280+5343 TDT2298 distance=100' 20396+5450 ES 993 distance=101' 20385+5453 STI2548 distance=105' 20336+5131 KPP2429AB distance=107' 20414+5454 TDS1090 distance=109' 20472+5148 BU 365 distance=114' 20306+5439 MLR 589 distance=114' 20298+5436 STI2536 distance=117' 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 20385+5308 MLR 642 143 5.2
Show 20384+5248 TDT2442 Aa,Ab 304 0.5 21
Show 20384+5248 SKF 348 AB 178 19.9 21
Show 20408+5307 ES 2698 AB 28 8.3 22
Show 20424+5312 RAO 618 CD 36 0.3 36
Show 20397+5227 ES 992 166 7.3 43
Show 20377+5351 A 1681 AB 209 4.4 43
Show 20377+5351 A 1681 AC 339 56.9 43
Show 20427+5238 A 1683 209 0.1 50
Show 20405+5217 TDT2463 180 2.4 55
Show 20444+5253 MLR 643 127 0.3 57
Show 20337+5232 TDS1082 5 1.0 57
Show 20384+5212 TDT2443 111 2.2 57
Show 20327+5235 TDT2350 329 1.4 62
Show 20403+5413 OSO 129 AB 141 10.8 67
Show 20403+5413 OSO 129 AC 115 17.1 67
Show 20403+5413 OSO 129 AD 143 19.9 67
Show 20403+5413 OSO 129 AE 70 19.7 67
Show 20435+5217 TVB 6 318 11.7 70
Show 20372+5159 TDT2428 221 0.7 71
Show 20460+5247 ES 996 264 8.8 73
Show 20429+5206 ES 995 107 8.6 74
Show 20402+5427 A 1682 49 1.4 81
Show 20369+5429 STI2545 159 3.2 82
Show 20376+5429 KPP2376 92 20.5 82
Show 20455+5401 HLD 41 AB 225 3.7 82
Show 20455+5401 HLD 41 AC 262 9.6 82
Show 20368+5431 TDT2419 80 0.8 84
Show 20379+5144 OSO 128 AB 58 8.9 85
Show 20379+5144 OSO 128 AC 157 21.3 85
Show 20331+5420 STI2539 255 10.1 86
Show 20375+5437 STI2546 38 8.9 90
Show 20358+5435 ES 991 CD 120 2.6 90
Show 20358+5435 ES 991 AB 297 15.9 91
Show 20358+5435 ES 991 AC 106 61.7 91
Show 20354+5435 STI2543 208 3.2 92
Show 20421+5436 ES 994 11 4.7 94
Show 20301+5407 TDS1077 12 1.0 95
Show 20479+5224 ES 93 321 26.0 97
Show 20334+5142 TDT2369 61 2.4 98
Show 20474+5407 ES 997 274 3.3 100
Show 20448+5430 TOI1356 289 0.3 100
Show 20388+5447 STI2550 183 12.4 100
Show 20280+5343 TDT2298 60 0.5 100
Show 20396+5450 ES 993 194 2.0 101
Show 20385+5453 STI2548 168 13.8 105
Show 20336+5131 KPP2429 AB 346 20.8 107
Show 20414+5454 TDS1090 226 1.0 109
Show 20472+5148 BU 365 288 17.2 114
Show 20306+5439 MLR 589 310 1.6 114
Show 20298+5436 STI2536 91 7.5 117

 
 
WDS 20385+5308 : COMPONENTS
 
 
  A
B pa=155.3°
sep=4.55"
 
 
20385+5308 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203826.16+530819.0 Mag 10.95 PmRA 5.00
PmDE 6.0 Tycho2 3950-02514-1
Tycho2
Tycho2 3950-02514-1 Pflag RAmdeg 309.60898258 DEmdeg 53.13862382
PmRA 4.7 PmDE 6.1 E RAmdeg 40 E DEmdeg 41
E pmRA 1.9 E pmDE 1.8 EpRAm 1986.31 EpDEm 1985.47
Num 4 Q RAmdeg 0.4 Q DEmdeg 0.3 Q pmRA 0.4
Q pmDE 0.3 BTmag 11.479 E BTmag 0.067 VTmag 10.949
E VTmag 0.066 Prox 999 TYC T HIP
CCDM RAdeg 309.60896472 DEdeg 53.13860972 EpRA 1990 1.68
EpDE 1990 1.70 E RAdeg 41.3 E DEdeg 41.8 Posflg
Corr 0.1
 
 
20385+5308 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203826.37+530814.9 Mag 12.7 Calc delta mag 1.75
Calc coord yes