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Doubles in session


Current system
21312+4013
MLB 897


Nearby doubles
6' : 21308+4013
MLB 896AB

8' : 21316+4005
MLB 898

9' : 21314+4004
HO 161

17' : 21324+4002
HO 162

19' : 21299+4001
MLB 960

19' : 21298+4005
TDT2995

26' : 21321+3949
COU1974

26' : 21332+4001
MLB 990

30' : 21327+3948
HO 604

34' : 21335+3951
TDT3030

34' : 21302+4044
MLB 26

35' : 21300+3941
KPP 495

40' : 21346+4024
MLB 27AB

41' : 21336+3943
TDT3031

41' : 21333+3940
MLB 900

41' : 21331+3938
MLB 899AB

42' : 21289+3941
MLB 986

42' : 21331+4047
GRV 477

43' : 21294+3936
TDT2991

46' : 21351+4000
MLB 901

47' : 21299+3928
MLB 987

48' : 21275+3954
MLB 984

51' : 21279+4046
TDT2979

51' : 21276+3944
MLB 985

56' : 21267+3957
MLB1021

58' : 21286+4102
UC 262



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.

21312+4013 MLB 897

 
 
21h 31m 14.07s +40° 12' 30.8" P.A. 23.00 sep 4.9 mag 14.70,14.70
 
 
Coord 2000 21312+4013 Discov num MLB 897 Comp Coord arcsec 2000 21 31 14.07 +40 12 30.8
Date first 1933 Date last 2015 Obs 4
Pa first 27 Pa last 23.4 P.A. Now (θ) 23.4°
Sep first 4.3 Sep last 4.935 Sep. Now (ρ) 4.935"
Mag pri 14.70 Mag sec 14.70 delta mag (ΔM) 0 Spectral class
Pri motion ra +034 Sec motion ra +017
Pri motion dec +087 Sec motion dec +036
Notes
rPM=0.576
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1966160372267552128
 
 
WDS 21312+4013 MLB 897 : 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
21312+4013 MLB 897 2000 2 24 4.9 14.70 14.70 213114.07+401230.8
21312+4013 MLB 897 2002 3 24 4.9 14.70 14.70 213114.07+401230.8
21312+4013 MLB 897 2015 4 23 4.9 14.70 14.70 213114.07+401230.8

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

 
 
WDS 21312+4013 MLB 897 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21312+4013 MLB 897 : MEASURES
 
 
No records found.

 
 
WDS 21312+4013 : VIRTUAL EYEPIECE
 
 

21312+4013 MLB 897A mag 14.7 21312+4013 MLB 897B sep 4.8 P.A. 18.30 mag 14.7 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 21312+4013 : ALADIN DSS IMAGE @ 21h 31m 14.07s +40° 12' 30.8"
 
 
 
 
WDS 21312+4013 MLB 897 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21312+4013 MLB 897 distance=0' 21308+4013 MLB 896AB distance=6' 21308+4013 MLB 896AC distance=6' 21316+4005 MLB 898 distance=8' 21314+4004 HO 161 distance=9' 21324+4002 HO 162 distance=17' 21299+4001 MLB 960 distance=19' 21298+4005 TDT2995 distance=19' 21321+3949 COU1974 distance=26' 21332+4001 MLB 990 distance=26' 21327+3948 HO 604 distance=30' 21335+3951 TDT3030 distance=34' 21302+4044 MLB 26 distance=34' 21300+3941 KPP 495 distance=35' 21346+4024 MLB 27CD distance=40' 21346+4024 MLB 27AB distance=40' 21346+4024 MLB 27AC distance=40' 21336+3943 TDT3031 distance=41' 21333+3940 MLB 900 distance=41' 21331+3938 MLB 899AB distance=41' 21331+3938 MLB 899AC distance=41' 21289+3941 MLB 986 distance=42' 21331+4047 GRV 477 distance=42' 21294+3936 TDT2991 distance=43' 21351+4000 MLB 901 distance=46' 21299+3928 MLB 987 distance=47' 21275+3954 MLB 984 distance=48' 21279+4046 TDT2979 distance=51' 21276+3944 MLB 985 distance=51' 21267+3957 MLB1021 distance=56' 21286+4102 UC 262 distance=58' 21363+4012 AG 273 distance=59' 21264+3954 RAO 455 distance=59' 21363+4002 MLB 28 distance=59' 21353+3935 ALI1163 distance=61' 21259+3959 TDT2958 distance=63' 21268+3935 TDT2974 distance=64' 21361+4048 TDT3051 distance=67' 21369+4025 DRS 20 distance=67' 21281+4110 COU2231 distance=68' 21257+4043 COU2306 distance=71' 21328+3904 A 1443 distance=71' 21324+3903 MLB 988 distance=71' 21325+3902 ES 260 distance=73' 21336+3905 COU1975AB distance=74' 21336+3905 COU1975Aa,Ab distance=74' 21371+3942 TDT3063 distance=75' 21328+3901 MLB 989 distance=75' 21304+3859 KU 131 distance=75' 21366+3928 VYS 10 distance=77' 21330+4127 TDT3025 distance=78' 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 21312+4013 MLB 897 23 4.9
Show 21308+4013 MLB 896 AB 340 3.1 6
Show 21308+4013 MLB 896 AC 69 29.0 6
Show 21316+4005 MLB 898 251 6.7 8
Show 21314+4004 HO 161 15 2.9 9
Show 21324+4002 HO 162 330 3.5 17
Show 21299+4001 MLB 960 335 4.7 19
Show 21298+4005 TDT2995 137 2.3 19
Show 21321+3949 COU1974 136 0.2 26
Show 21332+4001 MLB 990 231 4.1 26
Show 21327+3948 HO 604 316 5.3 30
Show 21335+3951 TDT3030 176 0.8 34
Show 21302+4044 MLB 26 70 5.0 34
Show 21300+3941 KPP 495 150 3.9 35
Show 21346+4024 MLB 27 CD 253 6.5 40
Show 21346+4024 MLB 27 AB 325 16.9 40
Show 21346+4024 MLB 27 AC 277 19.3 40
Show 21336+3943 TDT3031 296 0.6 41
Show 21333+3940 MLB 900 279 6.8 41
Show 21331+3938 MLB 899 AB 51 3.2 41
Show 21331+3938 MLB 899 AC 142 27.9 41
Show 21289+3941 MLB 986 58 4.5 42
Show 21331+4047 GRV 477 316 21.5 42
Show 21294+3936 TDT2991 170 0.8 43
Show 21351+4000 MLB 901 233 5.8 46
Show 21299+3928 MLB 987 263 7.0 47
Show 21275+3954 MLB 984 94 5.2 48
Show 21279+4046 TDT2979 135 0.4 51
Show 21276+3944 MLB 985 256 3.3 51
Show 21267+3957 MLB1021 81 3.6 56
Show 21286+4102 UC 262 199 48.3 58
Show 21363+4012 AG 273 3 8.9 59
Show 21264+3954 RAO 455 345 1.4 59
Show 21363+4002 MLB 28 256 4.3 59
Show 21353+3935 ALI1163 342 7.1 61
Show 21259+3959 TDT2958 109 0.9 63
Show 21268+3935 TDT2974 261 0.4 64
Show 21361+4048 TDT3051 275 0.6 67
Show 21369+4025 DRS 20 58 7.0 67
Show 21281+4110 COU2231 35 0.1 68
Show 21257+4043 COU2306 18 0.7 71
Show 21328+3904 A 1443 249 0.2 71
Show 21324+3903 MLB 988 109 2.2 71
Show 21325+3902 ES 260 281 6.1 73
Show 21336+3905 COU1975 AB 359 21.4 74
Show 21336+3905 COU1975 Aa,Ab 331 0.3 74
Show 21371+3942 TDT3063 159 0.6 75
Show 21328+3901 MLB 989 162 3.2 75
Show 21304+3859 KU 131 12 36.7 75
Show 21366+3928 VYS 10 261 1.0 77
Show 21330+4127 TDT3025 55 0.5 78

 
 
WDS 21312+4013 : COMPONENTS
 
 
  A
B pa=18.3°
sep=4.77"
 
 
21312+4013 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 213114.07+401230.8 Mag 14.7 PmRA 34.00
PmDE 87.0
 
 
21312+4013 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 213114.20+401235.3 Mag 14.7 PmRA 17.00
PmDE 36.0 Calc coord yes