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Current system
16521+6746
MLR 185


Nearby doubles
9' : 16519+6755
HEI 386

20' : 16488+6752
MLR 183

21' : 16545+6801
TDT 136

23' : 16499+6728
KPP3310

25' : 16563+6742
LDS2404

26' : 16487+6804
LDS2400

35' : 16515+6712
TDT 118

42' : 16551+6824
TDS 844

49' : 16520+6658
LDS2401

54' : 16542+6839
RAO 361

54' : 17010+6807
MLR 199AB

57' : 16570+6835
TDS 845

60' : 16497+6844
WFC 180

67' : 17012+6829
SKF2732

71' : 16493+6855
MLR 184

71' : 16397+6738
UC 3201

74' : 16448+6647
AG 206

75' : 16589+6851
LDS1859

80' : 16392+6819
YSC 113

80' : 16384+6808
UC 3196

82' : 16479+6906
LDS1855

82' : 16399+6833
AZC 175

84' : 16461+6903
TDT 76

99' : 16357+6716
MLR 181

104' : 17100+6812
MLR 200

106' : 17098+6821
LDS1438AB



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.

16521+6746 MLR 185

 
 
16h 52m 04.99s +67° 46' 27.2" P.A. 294.00 sep 0.4 mag 9.00,11.50 Sp K0
 
 
Coord 2000 16521+6746 Discov num MLR 185 Comp Coord arcsec 2000 16 52 04.99 +67 46 27.2
Date first 1971 Date last 1971 Obs 1
Pa first 294 Pa last 294 P.A. Now (θ) 294°
Sep first 0.4 Sep last 0.35 Sep. Now (ρ) 0.35"
Mag pri 9.00 Mag sec 11.50 delta mag (ΔM) 2.5 Spectral class K0 (yellow-orange)
Pri motion ra -011 Sec motion ra
Pri motion dec +044 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco Tycho2 4420-02127-1 Gaia DR2 1636809395101871488
 
 
WDS 16521+6746 MLR 185 : 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
16521+6746 MLR 185 1971 1 294 0.4 9.00 11.50 K0 165204.99+674627.2

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

 
 
WDS 16521+6746 MLR 185 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16521+6746 MLR 185 : MEASURES
 
 
No records found.

 
 
WDS 16521+6746 : VIRTUAL EYEPIECE
 
 

16521+6746 MLR 185A mag 9 Sp K0 16521+6746 MLR 185B sep 0.2 P.A. 319.60 mag 11.5 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 16521+6746 : ALADIN DSS IMAGE @ 16h 52m 04.99s +67° 46' 27.2"
 
 
 
 
WDS 16521+6746 MLR 185 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16521+6746 MLR 185 distance=0' 16519+6755 HEI 386 distance=9' 16488+6752 MLR 183 distance=20' 16545+6801 TDT 136 distance=21' 16499+6728 KPP3310 distance=23' 16563+6742 LDS2404 distance=25' 16487+6804 LDS2400 distance=26' 16515+6712 TDT 118 distance=35' 16551+6824 TDS 844 distance=42' 16520+6658 LDS2401 distance=49' 16542+6839 RAO 361 distance=54' 17010+6807 MLR 199AB distance=54' 17010+6807 WSI 35AD distance=54' 17010+6807 MLR 199BC distance=55' 16570+6835 TDS 845 distance=57' 16497+6844 WFC 180 distance=60' 17012+6829 SKF2732 distance=67' 16493+6855 MLR 184 distance=71' 16397+6738 UC 3201 distance=71' 16448+6647 AG 206 distance=74' 16589+6851 LDS1859 distance=75' 16392+6819 YSC 113 distance=80' 16384+6808 UC 3196 distance=80' 16479+6906 LDS1855 distance=82' 16399+6833 AZC 175 distance=82' 16461+6903 TDT 76 distance=84' 16357+6716 MLR 181 distance=99' 17100+6812 MLR 200 distance=104' 17098+6821 LDS1438AB distance=106' 17098+6821 WIS 311AC distance=106' 16366+6651 TDT 2 distance=106' 16329+6756 LDS2389 distance=110' 16380+6910 HDS2353 distance=114' 16584+6935 WRH 25AB distance=114' 16584+6935 WRH 25AC distance=114' 17011+6929 SKF2731AB distance=114' 16542+6944 LDS1858 distance=118' 17013+6935 HEI 244 distance=120' 17071+6915 WFC 187 distance=121' 17013+6937 HEI 245 distance=122' 16376+6919 CBL 160 distance=123' 17115+6646 SKF2664 distance=128' 17089+6925 STF2129AB distance=135' 17089+6925 UC 3298AC distance=135' 17036+6948 A 1146 distance=137' 17057+6552 SKF2609 distance=141' 16366+6948 BU 953AB distance=148' 16366+6948 BU 953AB,C distance=148' 16366+6948 BU 953AB,D distance=148' 16366+6948 ABH 86AB,E distance=148' 17113+6930 STF2151 distance=148' 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 16521+6746 MLR 185 294 0.4
Show 16519+6755 HEI 386 172 0.1 9
Show 16488+6752 MLR 183 27 0.7 20
Show 16545+6801 TDT 136 5 1.9 21
Show 16499+6728 KPP3310 136 1.8 23
Show 16563+6742 LDS2404 283 54.0 25
Show 16487+6804 LDS2400 16 11.8 26
Show 16515+6712 TDT 118 223 0.5 35
Show 16551+6824 TDS 844 156 1.0 42
Show 16520+6658 LDS2401 340 9.3 49
Show 16542+6839 RAO 361 323 3.6 54
Show 17010+6807 MLR 199 AB 76 19.2 54
Show 17010+6807 WSI 35 AD 84 7.0 54
Show 17010+6807 MLR 199 BC 39 2.8 55
Show 16570+6835 TDS 845 131 1.6 57
Show 16497+6844 WFC 180 122 4.8 60
Show 17012+6829 SKF2732 287 15.5 67
Show 16493+6855 MLR 184 43 7.0 71
Show 16397+6738 UC 3201 150 15.9 71
Show 16448+6647 AG 206 155 6.3 74
Show 16589+6851 LDS1859 173 6.7 75
Show 16392+6819 YSC 113 333 0.8 80
Show 16384+6808 UC 3196 164 30.6 80
Show 16479+6906 LDS1855 6 6.6 82
Show 16399+6833 AZC 175 29 20.9 82
Show 16461+6903 TDT 76 227 1.0 84
Show 16357+6716 MLR 181 285 1.4 99
Show 17100+6812 MLR 200 270 1.2 104
Show 17098+6821 LDS1438 AB 92 28.4 106
Show 17098+6821 WIS 311 AC 345 166.9 106
Show 16366+6651 TDT 2 79 0.6 106
Show 16329+6756 LDS2389 117 72.0 110
Show 16380+6910 HDS2353 202 0.3 114
Show 16584+6935 WRH 25 AB 174 0.2 114
Show 16584+6935 WRH 25 AC 342 1.3 114
Show 17011+6929 SKF2731 AB 156 19.2 114
Show 16542+6944 LDS1858 188 3.7 118
Show 17013+6935 HEI 244 282 2.6 120
Show 17071+6915 WFC 187 225 3.6 121
Show 17013+6937 HEI 245 297 1.4 122
Show 16376+6919 CBL 160 125 99.2 123
Show 17115+6646 SKF2664 29 2.3 128
Show 17089+6925 STF2129 AB 206 9.8 135
Show 17089+6925 UC 3298 AC 137 27.6 135
Show 17036+6948 A 1146 104 0.3 137
Show 17057+6552 SKF2609 273 13.4 141
Show 16366+6948 BU 953 AB 90 0.5 148
Show 16366+6948 BU 953 AB,C 148 75.2 148
Show 16366+6948 BU 953 AB,D 45 146.7 148
Show 16366+6948 ABH 86 AB,E 340 77.5 148
Show 17113+6930 STF2151 350 2.5 148

 
 
WDS 16521+6746 : COMPONENTS
 
 
  A
B pa=319.6°
sep=0.19"
 
 
16521+6746 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 165204.99+674627.2 Mag 9 Spectral class K0 (yellow-orange)
PmRA -11.00 PmDE 44.0 Tycho2 4420-02127-1
Tycho2
Tycho2 4420-02127-1 Pflag RAmdeg 253.02080081 DEmdeg 67.77422664
PmRA -10.8 PmDE 42.2 E RAmdeg 12 E DEmdeg 10
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.05 EpDEm 1990.59
Num 8 Q RAmdeg 0.8 Q DEmdeg 0.6 Q pmRA 0.8
Q pmDE 0.7 BTmag 10.258 E BTmag 0.031 VTmag 8.856
E VTmag 0.016 Prox 999 TYC T HIP
CCDM RAdeg 253.02087028 DEdeg 67.77412972 EpRA 1990 1.57
EpDE 1990 1.67 E RAdeg 11.6 E DEdeg 10.4 Posflg
Corr 0.0
CCDM
Ccdm 16521+6746 RComp Comp A Note1
Note2 Discov num DRAs -1.24 DDEs 27.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.7 Sp PmNote *
PmRA -26 PmDE 43 Dm number +68 894 Cat1 BD
Name2 +67 724 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 16522N6756A
HIC
 
 
16521+6746 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 165204.97+674627.3 Mag 11.5 Calc delta mag 2.5
Calc coord yes
CCDM
Ccdm 16521+6746 RComp Comp B Note1
Note2 Discov num MLR 185 DRAs DDEs
R dRAs Year 1971 Theta 294 Rho 0.4
Obs 1 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 16522N6756B
HIC