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Current system
20485+7429
MLR 238


Nearby doubles
27' : 20500+7455
VKI 38

47' : 20597+7417
A 879

47' : 21002+7432
CBL 530

50' : 20485+7517
LDS1940

50' : 20593+7455
A 878

59' : 20464+7332
TDS1099

75' : 21057+7501
TDT2739

78' : 20408+7319
LDS1939

80' : 20374+7536
HEI 7

82' : 20550+7547
LDS1942

87' : 20515+7304
LDS1941

106' : 20562+7611
UC 4336

106' : 21012+7258
A 880

112' : 21040+7604
SLW1229

121' : 20354+7619
OSW 17

132' : 20458+7219
MLB 421

133' : 21067+7623
KPP1325

134' : 20592+7224
MLB 423

136' : 20339+7229
LDS1933

142' : 20304+7634
TDT2327

142' : 20557+7648
UC 4331

146' : 20546+7653
LOC 460

148' : 20512+7656
SLW1227

154' : 21066+7648
LOC 473

164' : 20458+7146
SKF1249

176' : 20571+7138
TDT2652



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.

20485+7429 MLR 238

 
 
20h 48m 32.51s +74° 29' 23.0" P.A. 20.00 sep 0.2 mag 8.90,8.90 Sp K5 dist. 286.53 pc (934.66 l.y.)
 
 
Coord 2000 20485+7429 Discov num MLR 238 Comp Coord arcsec 2000 20 48 32.51 +74 29 23.0
Date first 1971 Date last 1989 Obs 10
Pa first 64 Pa last 20.3 P.A. Now (θ) 20.3°
Sep first 0.2 Sep last 0.15 Sep. Now (ρ) 0.15"
Mag pri 8.90 Mag sec 8.90 delta mag (ΔM) 0 Spectral class K5 (yellow-orange)
Pri motion ra +035 Sec motion ra
Pri motion dec +058 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus HIP 102699 Tycho2 4472-00133-1 Gaia DR2 2277740870693767168
BD BD+73 916 Distance 286.53 Distance ly 934.66
 
 
WDS 20485+7429 MLR 238 : 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
20485+7429 MLR 238 1989 10 20 0.2 8.90 8.90 K5 204832.51+742923.0

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

 
 
WDS 20485+7429 MLR 238 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20485+7429 MLR 238 : MEASURES
 
 
No records found.

 
 
WDS 20485+7429 : VIRTUAL EYEPIECE
 
 

20485+7429 MLR 238A mag 8.9 Sp K5 20485+7429 MLR 238B sep 0.1 P.A. 5.60 mag 8.9 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20485+7429 : ALADIN DSS IMAGE @ 20h 48m 32.51s +74° 29' 23.0"
 
 
 
 
WDS 20485+7429 MLR 238 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20485+7429 MLR 238 distance=1' 20500+7455 VKI 38 distance=27' 20597+7417 A 879 distance=47' 21002+7432 CBL 530 distance=47' 20485+7517 LDS1940 distance=50' 20593+7455 A 878 distance=50' 20464+7332 TDS1099 distance=59' 21057+7501 TDT2739 distance=75' 20408+7319 LDS1939 distance=78' 20374+7536 HEI 7 distance=80' 20550+7547 LDS1942 distance=82' 20515+7304 LDS1941 distance=87' 20562+7611 UC 4336 distance=106' 21012+7258 A 880 distance=106' 21040+7604 SLW1229 distance=112' 20354+7619 OSW 17 distance=121' 20458+7219 MLB 421 distance=132' 21067+7623 KPP1325 distance=133' 20592+7224 MLB 423 distance=134' 20339+7229 LDS1933 distance=136' 20304+7634 TDT2327 distance=142' 20557+7648 UC 4331 distance=142' 20546+7653 LOC 460 distance=146' 20512+7656 SLW1227 distance=148' 21066+7648 LOC 473 distance=154' 20458+7146 SKF1249 distance=164' 20571+7138 TDT2652 distance=176' 20493+7131 MLB 422 distance=178' 20380+7119 MLB 420 distance=196' 21059+7124 LDS1945 distance=202' 21078+7123 HDS3012 distance=205' 20323+7753 LOC 450 distance=212' 20561+7052 TDT2640 distance=221' 20491+7818 LOC 463 distance=229' 20465+7036 MLB 363 distance=234' 21045+7046 STF2771 distance=235' 20592+7823 CON 38 distance=237' 20291+7819 KPP1433 distance=240' 21037+7827 KPP4222 distance=244' 20353+7030 A 873 distance=247' 20454+7000 MLR 93 distance=270' 21021+7855 LOC 477 distance=271' 20499+7900 LOC 464 distance=271' 21027+7005 TDT2710 distance=273' 20544+6957 A 1216CD distance=274' 20544+6957 A 1216AB distance=274' 20544+6957 A 1216AC distance=274' 20335+7002 TDT2370 distance=276' 20460+7907 MLR 237AB distance=278' 21050+7000 LDS1944 distance=280' 20423+7915 SKF1247 distance=287' 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 20485+7429 MLR 238 20 0.2 1
Show 20500+7455 VKI 38 297 2.8 27
Show 20597+7417 A 879 138 4.4 47
Show 21002+7432 CBL 530 285 48.6 47
Show 20485+7517 LDS1940 133 10.0 50
Show 20593+7455 A 878 48 2.9 50
Show 20464+7332 TDS1099 336 1.2 59
Show 21057+7501 TDT2739 1 2.0 75
Show 20408+7319 LDS1939 227 18.9 78
Show 20374+7536 HEI 7 231 0.7 80
Show 20550+7547 LDS1942 346 2.7 82
Show 20515+7304 LDS1941 234 1.6 87
Show 20562+7611 UC 4336 300 22.3 106
Show 21012+7258 A 880 43 0.3 106
Show 21040+7604 SLW1229 1 16.6 112
Show 20354+7619 OSW 17 198 65.6 121
Show 20458+7219 MLB 421 251 1.9 132
Show 21067+7623 KPP1325 281 10.0 133
Show 20592+7224 MLB 423 247 5.9 134
Show 20339+7229 LDS1933 175 7.0 136
Show 20304+7634 TDT2327 320 0.6 142
Show 20557+7648 UC 4331 35 15.6 142
Show 20546+7653 LOC 460 81 6.6 146
Show 20512+7656 SLW1227 136 10.1 148
Show 21066+7648 LOC 473 147 3.6 154
Show 20458+7146 SKF1249 281 39.0 164
Show 20571+7138 TDT2652 307 0.6 176
Show 20493+7131 MLB 422 203 5.5 178
Show 20380+7119 MLB 420 276 3.6 196
Show 21059+7124 LDS1945 353 15.9 202
Show 21078+7123 HDS3012 190 0.9 205
Show 20323+7753 LOC 450 293 3.2 212
Show 20561+7052 TDT2640 318 0.7 221
Show 20491+7818 LOC 463 193 1.2 229
Show 20465+7036 MLB 363 211 3.2 234
Show 21045+7046 STF2771 33 2.7 235
Show 20592+7823 CON 38 237 2.5 237
Show 20291+7819 KPP1433 234 10.8 240
Show 21037+7827 KPP4222 264 2.0 244
Show 20353+7030 A 873 68 0.3 247
Show 20454+7000 MLR 93 210 0.1 270
Show 21021+7855 LOC 477 275 3.4 271
Show 20499+7900 LOC 464 336 2.1 271
Show 21027+7005 TDT2710 42 0.4 273
Show 20544+6957 A 1216 CD 82 0.9 274
Show 20544+6957 A 1216 AB 327 20.1 274
Show 20544+6957 A 1216 AC 346 38.6 274
Show 20335+7002 TDT2370 148 0.7 276
Show 20460+7907 MLR 237 AB 118 3.1 278
Show 21050+7000 LDS1944 349 48.0 280
Show 20423+7915 SKF1247 338 17.3 287

 
 
WDS 20485+7429 : COMPONENTS
 
 
  A
B pa=5.6°
sep=0.14"
 
 
20485+7429 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204832.51+742923.0 Mag 8.9 Spectral class K5 (yellow-orange)
PmRA 35.00 PmDE 58.0 HIP 102699 Tycho2 4472-00133-1
BD BD+73 916
Tycho2
Tycho2 4472-00133-1 Pflag RAmdeg 312.13579355 DEmdeg 74.48987559
PmRA 36.3 PmDE 59.1 E RAmdeg 9 E DEmdeg 10
E pmRA 1.0 E pmDE 1.1 EpRAm 1989.66 EpDEm 1990.17
Num 12 Q RAmdeg 1.8 Q DEmdeg 0.7 Q pmRA 1.8
Q pmDE 0.7 BTmag 10.353 E BTmag 0.031 VTmag 8.614
E VTmag 0.014 Prox 947 TYC T HIP 102699
CCDM RAdeg 312.13547000 DEdeg 74.48973861 EpRA 1990 1.65
EpDE 1990 1.67 E RAdeg 9.5 E DEdeg 9.7 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 102699 Proxy RAhms 20 48 32.51
DEdms +74 29 23.0 Vmag 8.45 VarFlag R Vmag H
RAdeg 312.135 DEdeg 74.4897 AstroRef Plx 4.37
CCDM 20485+7429 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD+73 916
CD CP Dm number +73 916 VIred 1.5
SpType K5 R SpType Coord arcsec 2000 204832.51+742923.0
Hipparcos 2
HIP 102699 Sn 5 So 0 Nc 1
RArad 5.447791239 DErad 1.3000910576 Plx 3.49 PmRA 34.74
PmDE 57.58 E RArad 0.47 E DErad 0.53 E Plx 0.57
E pmRA 0.46 E pmDE 0.64 Hpmag 8.5798 E Hpmag 0.0013
SHp 0.012 VA 0 BV 1.464 E BV 0.03
VI 1.47
CCDM
Ccdm 20485+7429 RComp Comp A Note1
Note2 Discov num DRAs 2.66 DDEs 23.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.9 Sp PmNote *
PmRA 41 PmDE 65 Dm number +73 916 Cat1 BD
Name2 +74 615 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 20493N7407A
HIC 102699
 
 
20485+7429 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204832.51+742923.1 Mag 8.9 Calc coord yes
CCDM
Ccdm 20485+7429 RComp Comp B Note1
Note2 Discov num MLR 238 DRAs DDEs
R dRAs Year 1971 Theta 64 Rho 0.2
Obs 1 Vmag 8.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20493N7407B
HIC 102699