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Doubles in session


Current system
19493+7409
MLR 227
HD 188648


Nearby doubles
13' : 19484+7421
HDS2816

14' : 19482+7356
LDS1917

36' : 19579+7415
A 1195

50' : 19443+7453
LDS1914

52' : 19526+7318
LDS1921

56' : 19540+7501
LDS1922

60' : 19352+7423
MLR 222AB

60' : 19493+7309
TDT1776

76' : 19510+7524
STF2617

78' : 19348+7501
STF2575

84' : 19323+7323
LDS1910

85' : 19357+7308
A 864

87' : 19310+7328
GRO 1

90' : 19443+7538
LDS1915

91' : 20038+7302
CRB 207

96' : 20048+7300
A 867

96' : 19329+7520
HDS2776

110' : 19398+7553
LDS1913

111' : 19432+7222
HDS2800

118' : 19393+7220
A 1191

119' : 19515+7607
LDS1920

119' : 19430+7606
LOC 418

126' : 19412+7208
FOX 245

139' : 19399+7623
MLR 225

141' : 19299+7215
LDS1909

142' : 19510+7631
LDS1919



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.

19493+7409 MLR 227 (HD 188648)

 
 
19h 49m 18.72s +74° 09' 09.7" P.A. 77.00 sep 0.2 mag 10.30,10.50 Sp F5
 
 
Coord 2000 19493+7409 Discov num MLR 227 Comp Coord arcsec 2000 19 49 18.72 +74 09 09.7
Date first 1971 Date last 2008 Obs 9
Pa first 78 Pa last 77.4 P.A. Now (θ) 77.4°
Sep first 0.2 Sep last 0.232 Sep. Now (ρ) 0.232"
Mag pri 10.30 Mag sec 10.50 delta mag (ΔM) 0.2 Spectral class F5 (yellow-white)
Pri motion ra +023 Sec motion ra
Pri motion dec +060 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 188648 Constellation Draco SAO 9553 Tycho2 4457-00720-1
Gaia DR2 2288179908966125696 HD 188648
 
 
WDS 19493+7409 MLR 227 (HD 188648) : 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
19493+7409 MLR 227 1989 7 69 0.3 10.30 10.50 F5 194918.72+740909.7
19493+7409 MLR 227 2008 9 77 0.2 10.30 10.50 F5 194918.72+740909.7

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

 
 
WDS 19493+7409 MLR 227 (HD 188648) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19493+7409 MLR 227 (HD 188648) : MEASURES
 
 
No records found.

 
 
WDS 19493+7409 (HD 188648) : VIRTUAL EYEPIECE
 
 

19493+7409 MLR 227A mag 10.3 Sp F5 19493+7409 MLR 227B sep 0.1 P.A. 50.70 mag 10.5 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 19493+7409 (HD 188648) : ALADIN DSS IMAGE @ 19h 49m 18.72s +74° 09' 09.7"
 
 
 
 
WDS 19493+7409 MLR 227 (HD 188648) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19493+7409 MLR 227 distance=0' 19484+7421 HDS2816 distance=13' 19482+7356 LDS1917 distance=14' 19579+7415 A 1195 distance=36' 19443+7453 LDS1914 distance=50' 19526+7318 LDS1921 distance=52' 19540+7501 LDS1922 distance=56' 19352+7423 MLR 222AB distance=60' 19352+7423 MLR 222AC distance=60' 19352+7423 MLR 222AD distance=60' 19493+7309 TDT1776 distance=60' 19510+7524 STF2617 distance=76' 19348+7501 STF2575 distance=78' 19323+7323 LDS1910 distance=84' 19357+7308 A 864 distance=85' 19310+7328 GRO 1 distance=87' 19443+7538 LDS1915 distance=90' 20038+7302 CRB 207 distance=91' 20048+7300 A 867 distance=96' 19329+7520 HDS2776 distance=96' 19398+7553 LDS1913 distance=110' 19432+7222 HDS2800 distance=111' 19393+7220 A 1191 distance=118' 19515+7607 LDS1920 distance=119' 19430+7606 LOC 418 distance=119' 19412+7208 FOX 245 distance=126' 19399+7623 MLR 225 distance=139' 19299+7215 LDS1909 distance=141' 19510+7631 LDS1919 distance=142' 19391+7625 MLR 224 distance=142' 19591+7630 HU 956AB distance=147' 19591+7630 HU 956AC distance=147' 19432+7143 TDT1671 distance=149' 19392+7634 STF2592 distance=150' 20065+7157 TDT1983 distance=153' 19335+7631 UC 3975 distance=154' 20066+7639 SKF2804 distance=164' 19371+7134 SKF1240 distance=165' 19344+7136 KU 2 distance=167' 20066+7643 TDT1986 distance=167' 20016+7131 TDT1918 distance=168' 19311+7141 HDS2773 distance=169' 20006+7709 LOC 434 distance=186' 19486+7714 TDT1773 distance=186' 19463+7104 TDT1724 distance=186' 19490+7715 MLR 228 distance=187' 20089+7715 LDS1928AB distance=200' 19370+7725 MLR 223 distance=202' 20077+7718 OL 122 distance=202' 19439+7732 LOC 420 distance=204' 19403+7045 TDT1619 distance=209' 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 19493+7409 MLR 227 77 0.2
Show 19484+7421 HDS2816 85 0.2 13
Show 19482+7356 LDS1917 232 9.1 14
Show 19579+7415 A 1195 294 4.0 36
Show 19443+7453 LDS1914 49 6.3 50
Show 19526+7318 LDS1921 272 3.0 52
Show 19540+7501 LDS1922 226 16.0 56
Show 19352+7423 MLR 222 AB 197 7.5 60
Show 19352+7423 MLR 222 AC 215 22.6 60
Show 19352+7423 MLR 222 AD 217 42.1 60
Show 19493+7309 TDT1776 130 0.8 60
Show 19510+7524 STF2617 39 27.9 76
Show 19348+7501 STF2575 33 7.6 78
Show 19323+7323 LDS1910 214 16.8 84
Show 19357+7308 A 864 11 0.8 85
Show 19310+7328 GRO 1 235 3.2 87
Show 19443+7538 LDS1915 125 9.9 90
Show 20038+7302 CRB 207 315 18.5 91
Show 20048+7300 A 867 151 1.0 96
Show 19329+7520 HDS2776 92 0.4 96
Show 19398+7553 LDS1913 327 3.1 110
Show 19432+7222 HDS2800 141 0.5 111
Show 19393+7220 A 1191 252 3.1 118
Show 19515+7607 LDS1920 88 11.4 119
Show 19430+7606 LOC 418 239 11.5 119
Show 19412+7208 FOX 245 68 5.5 126
Show 19399+7623 MLR 225 246 0.3 139
Show 19299+7215 LDS1909 58 32.9 141
Show 19510+7631 LDS1919 54 15.4 142
Show 19391+7625 MLR 224 288 0.2 142
Show 19591+7630 HU 956 AB 88 0.9 147
Show 19591+7630 HU 956 AC 132 138.9 147
Show 19432+7143 TDT1671 121 0.4 149
Show 19392+7634 STF2592 297 0.8 150
Show 20065+7157 TDT1983 112 0.5 153
Show 19335+7631 UC 3975 95 14.9 154
Show 20066+7639 SKF2804 345 19.0 164
Show 19371+7134 SKF1240 34 8.5 165
Show 19344+7136 KU 2 232 0.6 167
Show 20066+7643 TDT1986 138 0.7 167
Show 20016+7131 TDT1918 191 0.7 168
Show 19311+7141 HDS2773 149 0.2 169
Show 20006+7709 LOC 434 176 2.1 186
Show 19486+7714 TDT1773 153 0.7 186
Show 19463+7104 TDT1724 252 1.3 186
Show 19490+7715 MLR 228 266 0.3 187
Show 20089+7715 LDS1928 AB 166 5.4 200
Show 19370+7725 MLR 223 233 0.6 202
Show 20077+7718 OL 122 203 2.5 202
Show 19439+7732 LOC 420 7 7.9 204
Show 19403+7045 TDT1619 199 1.6 209

 
 
WDS 19493+7409 : COMPONENTS
 
 
  A
B pa=50.7°
sep=0.08"
 
 
19493+7409 A
 
 
Componente originario normalizzato AB Name HD 188648 Coord arcsec 2000 194918.72+740909.7 Mag 10.3
Spectral class F5 (yellow-white) PmRA 23.00 PmDE 60.0 SAO 9553
Tycho2 4457-00720-1 HD 188648 DM BD+73 883
Tycho2
Tycho2 4457-00720-1 Pflag RAmdeg 297.32800991 DEmdeg 74.15269929
PmRA 21.4 PmDE 54.1 E RAmdeg 14 E DEmdeg 15
E pmRA 1.5 E pmDE 1.5 EpRAm 1989.95 EpDEm 1989.60
Num 6 Q RAmdeg 0.6 Q DEmdeg 1.5 Q pmRA 0.7
Q pmDE 1.5 BTmag 10.071 E BTmag 0.028 VTmag 9.597
E VTmag 0.024 Prox 956 TYC T HIP
CCDM RAdeg 297.32783417 DEdeg 74.15257278 EpRA 1990 1.76
EpDE 1990 1.61 E RAdeg 14.6 E DEdeg 16.2 Posflg
Corr -0.1
SAO
SAO 9553 DelFlag RA1950 PmRA1950 0.0099
DE1950 PmDE1950 0.078 Vmag 9.2 SpType F5
Double code Source 1 CatNum 594 DM BD+73 883
DMcomp BDsup HD 188648 M HD 0
GC RA1950rad 5.19327745 DE1950rad 1.2919589 PmRA2000 0.0105
PmDE2000 0.075
CCDM
Ccdm 19493+7409 RComp Comp A Note1
Note2 Discov num DRAs 0.60 DDEs 10.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.7 Sp F5 PmNote *
PmRA 23 PmDE 65 Dm number +73 883 Cat1 BD
Name2 +74 594 Cat2 AGK2/3 HD 188648 M HD
ADS BDS M ADS BDS N IDS IDS 19511N7354A
HIC
 
 
19493+7409 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 194918.74+740909.8 Mag 10.5 Calc delta mag 0.2
Calc coord yes
CCDM
Ccdm 19493+7409 RComp Comp B Note1
Note2 Discov num MLR 227 DRAs DDEs
R dRAs Year 1971 Theta 78 Rho 0.2
Obs 1 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19511N7354B
HIC