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Doubles in session


Current system
20031+6721
MLB 294


Nearby doubles
16' : 20023+6706
SKF1242

24' : 19593+6729
TDT1903

32' : 20028+6752
LDS2447AB

34' : 20087+6730
SKF1244

34' : 20039+6754
MLB 295

42' : 20005+6759
MLB 359AB

60' : 20065+6817
TDT1984

61' : 19528+6732
LDS2446

64' : 19522+6726
OSO 114

66' : 20140+6736
MLB 296

67' : 20070+6618
STF2650

68' : 20144+6705
MLB 297

75' : 20055+6834
TDT1964

75' : 19562+6618
HU 1307

87' : 20173+6658
LDS2450

89' : 19490+6646
MLB 265

92' : 20185+6743
MLB 298

105' : 20061+6538
TDT1975

111' : 20117+6542
TDT2071

112' : 20223+6709
KPP4193

115' : 19509+6852
HDS2826

120' : 19503+6857
MLB 358

123' : 20020+6922
MLB 293

125' : 19540+6915
UC 4049

126' : 20049+6926
HDS2863AB

126' : 20194+6600
TDT2167



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.

20031+6721 MLB 294

 
 
20h 03m 07.52s +67° 20' 34.8" P.A. 155.00 sep 3.3 mag 11.09,12.60
 
 
Coord 2000 20031+6721 Discov num MLB 294 Comp Coord arcsec 2000 20 03 07.52 +67 20 34.8
Date first 1923 Date last 2007 Obs 5
Pa first 158 Pa last 155.4 P.A. Now (θ) 155.4°
Sep first 2.8 Sep last 3.34 Sep. Now (ρ) 3.34"
Mag pri 11.09 Mag sec 12.60 delta mag (ΔM) 1.51 Spectral class
Pri motion ra +005 Sec motion ra
Pri motion dec +009 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco Tycho2 4244-00070-1 Gaia DR2 2248342639890515456
 
 
WDS 20031+6721 MLB 294 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Mlb1918 Mb - Milburn, W. (Espin, T.E.) 1918MNRAS..78..189E
Mlb1918 MNRAS 78, 189, 1918 (MLB 1 - 35; measures by Espin)
Mlb1919 Mb - Milburn, W. (Espin, T.E.) 1919MNRAS..79..211E
Mlb1919 MNRAS 79, 211, 1919 (MLB 36 - 106; measures by Espin)
Mlb1920 Mb - Milburn, W. 1920MNRAS..80..329M
Mlb1920 MNRAS 80, 329, 1920 (MLB 107 - 149)
Mlb1921 Mb - Milburn, W. 1921MNRAS..81..232E
Mlb1921 MNRAS 81, 232, 1921 (MLB 150 - 182)
Mlb1922 Mb j Milburn, W. (Espin, T.E.) 1922MNRAS..82..187E
Mlb1922 MNRAS 82, 187, 1922 (MLB 183 - 241; measures by Espin)
Mlb1923 Mb - Milburn, W. 1923MNRAS..83..154E
Mlb1923 MNRAS 83, 154, 1923 (MLB 242 - 275)
Mlb1924 Mb - Milburn, W. 1924MNRAS..84..162E
Mlb1924 MNRAS 84, 162, 1924 (MLB 276 - 322)
Mlb1925 Mb j Milburn, W. 1925MNRAS..85..276E
Mlb1925 MNRAS 85, 276, 1925 (MLB 323 - 376)
Mlb1926 Mb - Milburn, W. 1926MNRAS..86..131E
Mlb1926 MNRAS 86, 131, 1926 (MLB 377 - 440)
Mlb1927 Mb j Milburn, W. 1927MNRAS..87..215E
Mlb1927 +Po MNRAS 87, 215, 1927 (MLB 441 - 510)
Mlb1928 Mb - Milburn, W. 1928MNRAS..88..185E
Mlb1928 MNRAS 88, 185, 1928 (MLB 511 - 551)
Mlb1929 Mb - Milburn, W. 1929MNRAS..89..268E
Mlb1929 MNRAS 89, 268, 1929 (MLB 552 - 591)
Mlb1930 Mb - Milburn, W. 1930MNRAS..90..317E
Mlb1930 MNRAS 90, 317, 1930 (MLB 592 - 630)
Mlb1931 Mb j Milburn, W. 1931MNRAS..91..294E
Mlb1931 MNRAS 91, 294, 1931 (MLB 631 - 673)
Mlb1932 Ma - Milburn, W. 1932MNRAS..92..214E
Mlb1932 +Mb MNRAS 92, 214, 1932 (MLB 674 - 732)
Mlb1932B Ma - Milburn, W. 1932QB821.A43......
Mlb1932B cited by ADS (Aitken Double Star Cat., 1932)
Mlb1933 Ma j Milburn, W. 1933MNRAS..93..192E
Mlb1933 +Mb MNRAS 93, 192, 1933 (MLB 733 - 806)
Mlb1934 Mb j Milburn, W. 1934MNRAS..94..255M
Mlb1934 MNRAS 94, 255, 1934 (MLB 807 - 912)
Mlb1935 Mb j Milburn, W. 1935MNRAS..95..298M
Mlb1935 MNRAS 95, 298, 1935 (MLB 913 - 969)
Mlb1936 Mb - Milburn, W. 1936MNRAS..96..266M
Mlb1936 MNRAS 96, 266, 1936 (MLB 970 - 997)
Mlb1937 Ma - Milburn, W. 1937MNRAS..97..222M
Mlb1937 +Mb MNRAS 97, 222, 1937 (MLB 998 - 1025)
Mlb1938 Ma - Milburn, W. 1938MNRAS..98..223M
Mlb1938 +Mb MNRAS 98, 223, 1938 (MLB 1026 - 1032)
Mlb1939 Mb - Milburn, W. 1939MNRAS..99..278M
Mlb1939 MNRAS 99, 278, 1939 (MLB 1033 - 1051)
Mlb9999 Mb - Milburn, W. ...................
Mlb9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20031+6721 MLB 294 2007 5 155 3.3 11.09 12.60 200307.52+672034.8

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

 
 
WDS 20031+6721 MLB 294 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20031+6721 MLB 294 : MEASURES
 
 
No records found.

 
 
WDS 20031+6721 : VIRTUAL EYEPIECE
 
 

20031+6721 MLB 294A mag 11.09 20031+6721 MLB 294B sep 3.1 P.A. 170.00 mag 12.6 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 20031+6721 : ALADIN DSS IMAGE @ 20h 03m 07.52s +67° 20' 34.8"
 
 
 
 
WDS 20031+6721 MLB 294 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20031+6721 MLB 294 distance=0' 20023+6706 SKF1242 distance=16' 19593+6729 TDT1903 distance=24' 20028+6752 LDS2447AB distance=32' 20028+6752 LDS2447AC distance=32' 20087+6730 SKF1244 distance=34' 20039+6754 MLB 295 distance=34' 20005+6759 MLB 359AB distance=42' 20005+6759 MLB 359AC distance=42' 20065+6817 TDT1984 distance=60' 19528+6732 LDS2446 distance=61' 19522+6726 OSO 114 distance=64' 20140+6736 MLB 296 distance=66' 20070+6618 STF2650 distance=67' 20144+6705 MLB 297 distance=68' 20055+6834 TDT1964 distance=75' 19562+6618 HU 1307 distance=75' 20173+6658 LDS2450 distance=87' 19490+6646 MLB 265 distance=89' 20185+6743 MLB 298 distance=92' 20061+6538 TDT1975 distance=105' 20117+6542 TDT2071 distance=111' 20223+6709 KPP4193 distance=112' 19509+6852 HDS2826 distance=115' 19503+6857 MLB 358 distance=120' 20020+6922 MLB 293 distance=123' 19540+6915 UC 4049 distance=125' 20049+6926 HDS2863AB distance=126' 20194+6600 TDT2167 distance=126' 20207+6609 SKF2610 distance=127' 20023+6515 STI 941 distance=127' 20074+6511 HJL1102 distance=132' 20229+6832 MLB 361 distance=133' 20185+6533 KPP 467 distance=142' 19457+6908 MLB 357 distance=145' 20183+6526 MLB 219 distance=146' 20026+6952 SKF1243 distance=152' 20015+6449 H 6 38AB distance=152' 20171+6943 LDS1930 distance=160' 20023+6438 STTA200AB distance=163' 20023+6438 STTA200AC distance=163' 20042+6434 BU 1479 distance=167' 19433+6929 MLB 415 distance=169' 19582+6430 UC 4059 distance=174' 19495+6957 MLB1086AB distance=174' 19528+7009 TDT1819 distance=178' 20119+6431 STF2660 distance=179' 19431+6506 TDT1667 distance=181' 20142+6429 STI 958 distance=184' 19473+6441 ES 199 distance=186' 20160+7013 MLB 360 distance=186' 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 20031+6721 MLB 294 155 3.3
Show 20023+6706 SKF1242 13 20.8 16
Show 19593+6729 TDT1903 87 0.4 24
Show 20028+6752 LDS2447 AB 180 125.4 32
Show 20028+6752 LDS2447 AC 226 141.0 32
Show 20087+6730 SKF1244 184 97.9 34
Show 20039+6754 MLB 295 305 7.3 34
Show 20005+6759 MLB 359 AB 284 4.9 42
Show 20005+6759 MLB 359 AC 326 30.9 42
Show 20065+6817 TDT1984 39 1.6 60
Show 19528+6732 LDS2446 265 29.2 61
Show 19522+6726 OSO 114 257 23.4 64
Show 20140+6736 MLB 296 284 3.2 66
Show 20070+6618 STF2650 228 21.9 67
Show 20144+6705 MLB 297 213 2.7 68
Show 20055+6834 TDT1964 340 2.0 75
Show 19562+6618 HU 1307 25 1.0 75
Show 20173+6658 LDS2450 227 13.2 87
Show 19490+6646 MLB 265 196 2.7 89
Show 20185+6743 MLB 298 156 9.0 92
Show 20061+6538 TDT1975 274 0.8 105
Show 20117+6542 TDT2071 65 0.8 111
Show 20223+6709 KPP4193 9 1.5 112
Show 19509+6852 HDS2826 39 0.4 115
Show 19503+6857 MLB 358 254 3.9 120
Show 20020+6922 MLB 293 91 4.8 123
Show 19540+6915 UC 4049 58 61.7 125
Show 20049+6926 HDS2863 AB 3 0.9 126
Show 20194+6600 TDT2167 125 0.4 126
Show 20207+6609 SKF2610 187 13.0 127
Show 20023+6515 STI 941 96 11.7 127
Show 20074+6511 HJL1102 123 126.7 132
Show 20229+6832 MLB 361 326 2.6 133
Show 20185+6533 KPP 467 243 4.7 142
Show 19457+6908 MLB 357 260 1.8 145
Show 20183+6526 MLB 219 333 2.9 146
Show 20026+6952 SKF1243 187 46.0 152
Show 20015+6449 H 6 38 AB 171 193.1 152
Show 20171+6943 LDS1930 292 51.8 160
Show 20023+6438 STTA200 AB 332 98.9 163
Show 20023+6438 STTA200 AC 190 27.0 163
Show 20042+6434 BU 1479 46 43.0 167
Show 19433+6929 MLB 415 350 8.7 169
Show 19582+6430 UC 4059 43 8.6 174
Show 19495+6957 MLB1086 AB 339 5.2 174
Show 19528+7009 TDT1819 256 0.4 178
Show 20119+6431 STF2660 166 22.3 179
Show 19431+6506 TDT1667 332 0.8 181
Show 20142+6429 STI 958 6 7.3 184
Show 19473+6441 ES 199 168 7.0 186
Show 20160+7013 MLB 360 202 2.5 186

 
 
WDS 20031+6721 : COMPONENTS
 
 
  A
B pa=170.0°
sep=3.08"
 
 
20031+6721 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 200307.52+672034.8 Mag 11.09 PmRA 5.00
PmDE 9.0 Tycho2 4244-00070-1
Tycho2
Tycho2 4244-00070-1 Pflag RAmdeg 300.78133146 DEmdeg 67.34302283
PmRA 4.6 PmDE 8.9 E RAmdeg 61 E DEmdeg 59
E pmRA 2.2 E pmDE 2.3 EpRAm 1982.81 EpDEm 1984.27
Num 3 Q RAmdeg 0.4 Q DEmdeg 0.6 Q pmRA 0.4
Q pmDE 0.6 BTmag 13.106 E BTmag 0.326 VTmag 11.090
E VTmag 0.080 Prox 999 TYC HIP
CCDM RAdeg 300.78130389 DEdeg 67.34300250 EpRA 1990 1.62
EpDE 1990 1.76 E RAdeg 64.0 E DEdeg 60.9 Posflg
Corr 0.0
 
 
20031+6721 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200307.61+672031.8 Mag 12.6 Calc delta mag 1.51
Calc coord yes