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Doubles in session


Current system
18252+5659
MLR 537
HD 238869


Nearby doubles
5' : 18257+5701
TDT 857

30' : 18268+5633
STI2375

41' : 18223+5626
CRB 203

42' : 18278+5622
MLB 136

50' : 18217+5740
MLR 536

57' : 18297+5740
LDS2414

58' : 18318+5639
ES 975

71' : 18296+5800
KPP4109

73' : 18337+5638
TDS 929

78' : 18301+5805
MLR 357

81' : 18254+5539
LDS4786

82' : 18200+5810
CRB 202

83' : 18154+5720
HDS2577

86' : 18174+5604
KPP4101AB

93' : 18140+5717
TDT 751

95' : 18138+5646
TDT 747

103' : 18249+5517
CRB 204

107' : 18380+5722
STI2380

108' : 18338+5823
LDS2416

110' : 18132+5749
HDS2571

110' : 18239+5848
STF2323AB

118' : 18347+5828
MLR 358

118' : 18186+5844
LDS2410

121' : 18127+5557
ES 643

123' : 18334+5842
ES 188

123' : 18329+5846
STI2376



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.

18252+5659 MLR 537 (HD 238869)

 
 
18h 25m 11.77s +56° 59' 08.3" P.A. 56.00 sep 0.6 mag 9.60,9.75 Sp G0
 
 
Coord 2000 18252+5659 Discov num MLR 537 Comp Coord arcsec 2000 18 25 11.77 +56 59 08.3
Date first 1975 Date last 2016 Obs 9
Pa first 71 Pa last 55.8 P.A. Now (θ) 55.8°
Sep first 0.5 Sep last 0.563 Sep. Now (ρ) 0.563"
Mag pri 9.60 Mag sec 9.75 delta mag (ΔM) 0.15 Spectral class G0 (yellow)
Pri motion ra -006 Sec motion ra -006
Pri motion dec +008 Sec motion dec +008
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 238869 Constellation Draco SAO 30961 Tycho2 3912-01209-1
Gaia DR2 2151159865128425600 HD 238869 DM BD+56 2095
 
 
WDS 18252+5659 MLR 537 (HD 238869) : 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
18252+5659 MLR 537 1991 3 75 0.3 9.60 9.75 182511.77+565908.3
18252+5659 MLR 537 2008 5 56 0.6 9.60 9.75 182511.77+565908.3
18252+5659 MLR 537 2010 6 57 0.6 9.60 9.75 G0 182511.77+565908.3
18252+5659 MLR 537 2016 7 56 0.6 9.60 9.75 G0 182511.77+565908.3

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

 
 
WDS 18252+5659 MLR 537 (HD 238869) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18252+5659 MLR 537 (HD 238869) : MEASURES
 
 
No records found.

 
 
WDS 18252+5659 (HD 238869) : VIRTUAL EYEPIECE
 
 

18252+5659 MLR 537A mag 9.6 Sp G0 18252+5659 MLR 537B sep 0.4 P.A. 38.70 mag 9.75 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18252+5659 (HD 238869) : ALADIN DSS IMAGE @ 18h 25m 11.77s +56° 59' 08.3"
 
 
 
 
WDS 18252+5659 MLR 537 (HD 238869) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18252+5659 MLR 537 distance=0' 18257+5701 TDT 857 distance=5' 18268+5633 STI2375 distance=30' 18223+5626 CRB 203 distance=41' 18278+5622 MLB 136 distance=42' 18217+5740 MLR 536 distance=50' 18297+5740 LDS2414 distance=57' 18318+5639 ES 975 distance=58' 18296+5800 KPP4109 distance=71' 18337+5638 TDS 929 distance=73' 18301+5805 MLR 357 distance=78' 18254+5539 LDS4786 distance=81' 18200+5810 CRB 202 distance=82' 18154+5720 HDS2577 distance=83' 18174+5604 KPP4101BD distance=86' 18174+5604 KPP4101AB distance=86' 18174+5604 KPP4101AC distance=86' 18147+5635 BU 1274A,BC distance=90' 18147+5635 BU 1274BC distance=92' 18147+5635 BU 1274BD distance=92' 18140+5717 TDT 751 distance=93' 18138+5646 TDT 747 distance=95' 18249+5517 CRB 204 distance=103' 18380+5722 STI2380 distance=107' 18338+5823 LDS2416 distance=108' 18132+5749 HDS2571 distance=110' 18239+5848 STF2323AB distance=110' 18239+5848 STF2323AF distance=110' 18239+5848 STF2323AG distance=110' 18239+5848 STF2323AH distance=110' 18239+5848 STF2323AC distance=110' 18239+5848 STF2323BC distance=110' 18239+5848 STF2323CD distance=111' 18347+5828 MLR 358 distance=118' 18186+5844 LDS2410 distance=118' 18127+5557 ES 643 distance=121' 18334+5842 ES 188 distance=123' 18329+5846 STI2376 distance=123' 18334+5846 STF2353 distance=126' 18351+5521 STI2379 distance=129' 18390+5559 A 1380AB distance=130' 18390+5559 A 1380AB,C distance=130' 18276+5910 TDT 887 distance=133' 18319+5459 TDT 929 distance=133' 18086+5710 TDT 704 distance=136' 18399+5815 A 251AB distance=141' 18399+5815 A 251AC distance=141' 18212+5917 LDS2411 distance=142' 18426+5727 STI2382 distance=144' 18291+5920 LDS2413 distance=144' 18077+5632 SLE 139 distance=147' 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 18252+5659 MLR 537 56 0.6
Show 18257+5701 TDT 857 221 0.6 5
Show 18268+5633 STI2375 176 4.5 30
Show 18223+5626 CRB 203 171 26.0 41
Show 18278+5622 MLB 136 243 2.1 42
Show 18217+5740 MLR 536 193 0.8 50
Show 18297+5740 LDS2414 198 7.4 57
Show 18318+5639 ES 975 51 10.5 58
Show 18296+5800 KPP4109 95 9.8 71
Show 18337+5638 TDS 929 78 1.2 73
Show 18301+5805 MLR 357 24 0.6 78
Show 18254+5539 LDS4786 73 6.0 81
Show 18200+5810 CRB 202 160 32.8 82
Show 18154+5720 HDS2577 330 0.2 83
Show 18174+5604 KPP4101 BD 133 7.6 86
Show 18174+5604 KPP4101 AB 327 53.1 86
Show 18174+5604 KPP4101 AC 326 56.8 86
Show 18147+5635 BU 1274 A,BC 238 93.7 90
Show 18147+5635 BU 1274 BC 144 1.0 92
Show 18147+5635 BU 1274 BD 5 5.3 92
Show 18140+5717 TDT 751 20 0.7 93
Show 18138+5646 TDT 747 140 1.0 95
Show 18249+5517 CRB 204 103 12.1 103
Show 18380+5722 STI2380 4 10.3 107
Show 18338+5823 LDS2416 94 13.3 108
Show 18132+5749 HDS2571 310 0.3 110
Show 18239+5848 STF2323 AB 348 3.6 110
Show 18239+5848 STF2323 AF 80 150.5 110
Show 18239+5848 STF2323 AG 244 35.8 110
Show 18239+5848 STF2323 AH 93 44.2 110
Show 18239+5848 STF2323 AC 20 88.9 110
Show 18239+5848 STF2323 BC 20 86.5 110
Show 18239+5848 STF2323 CD 68 198.2 111
Show 18347+5828 MLR 358 161 1.4 118
Show 18186+5844 LDS2410 264 5.4 118
Show 18127+5557 ES 643 49 3.9 121
Show 18334+5842 ES 188 219 11.6 123
Show 18329+5846 STI2376 54 13.7 123
Show 18334+5846 STF2353 257 13.6 126
Show 18351+5521 STI2379 358 14.4 129
Show 18390+5559 A 1380 AB 20 1.0 130
Show 18390+5559 A 1380 AB,C 332 11.8 130
Show 18276+5910 TDT 887 29 1.4 133
Show 18319+5459 TDT 929 152 2.3 133
Show 18086+5710 TDT 704 305 0.6 136
Show 18399+5815 A 251 AB 53 4.0 141
Show 18399+5815 A 251 AC 78 13.5 141
Show 18212+5917 LDS2411 277 117.7 142
Show 18426+5727 STI2382 138 12.4 144
Show 18291+5920 LDS2413 133 10.7 144
Show 18077+5632 SLE 139 333 6.6 147

 
 
WDS 18252+5659 : COMPONENTS
 
 
  A
B pa=38.7°
sep=0.41"
 
 
18252+5659 A
 
 
Componente originario normalizzato AB Name HD 238869 Coord arcsec 2000 182511.77+565908.3 Mag 9.6
Spectral class G0 (yellow) PmRA -6.00 PmDE 8.0 SAO 30961
Tycho2 3912-01209-1 HD 238869 DM BD+56 2095
Tycho2
Tycho2 3912-01209-1 Pflag RAmdeg 276.29912829 DEmdeg 56.98564979
PmRA -5.9 PmDE 7.5 E RAmdeg 10 E DEmdeg 10
E pmRA 1.5 E pmDE 1.5 EpRAm 1990.54 EpDEm 1990.54
Num 9 Q RAmdeg 0.5 Q DEmdeg 0.7 Q pmRA 0.5
Q pmDE 0.7 BTmag 9.650 E BTmag 0.022 VTmag 8.989
E VTmag 0.016 Prox 715 TYC T HIP
CCDM RAdeg 276.29915361 DEdeg 56.98563194 EpRA 1990 1.59
EpDE 1990 1.55 E RAdeg 9.9 E DEdeg 9.7 Posflg
Corr 0.0
SAO
SAO 30961 DelFlag RA1950 PmRA1950 0.0013
DE1950 PmDE1950 0.004 Vmag 9 SpType G0
Double code Source 38 CatNum 9789 DM BD+56 2095
DMcomp BDsup HD 238869 M HD 0
GC RA1950rad 4.8185796 DE1950rad 0.99406072 PmRA2000 0.002
PmDE2000 0.004
 
 
18252+5659 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182511.80+565908.6 Mag 9.75 PmRA -6.00
PmDE 8.0 Calc delta mag 0.15 Calc coord yes