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Current system
20088+3915
MLB 769


Nearby doubles
9' : 20091+3907
MLB 771

10' : 20089+3905
MLB 770

13' : 20093+3926
TDT2028

15' : 20081+3926
ES 1972

22' : 20085+3936
MLB 768

26' : 20107+3900
ES 2046

31' : 20109+3857
DAM 198

33' : 20069+3938
ES 1971

35' : 20112+3854
MLB 950

35' : 20113+3855
DAM 199

36' : 20079+3949
STJ 83

38' : 20099+3951
ALI1135

38' : 20057+3905
J 1072

40' : 20122+3912
TDT2079

40' : 20116+3853
A 1418

40' : 20076+3837
A 1416

41' : 20118+3936
COU2415AB

44' : 20056+3935
COU2535

44' : 20121+3938
SEI 997

45' : 20082+3831
ALI 920

46' : 20117+3843
TDT2073

47' : 20052+3857
BU 1480

47' : 20128+3916
SEI1013

48' : 20066+3836
BRT2229

48' : 20124+3940
TDT2083

51' : 20107+4001
TDS1048



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.

20088+3915 MLB 769

 
 
20h 08m 50.39s +39° 14' 40.2" P.A. 131.00 sep 4.9 mag 11.50,13.00
 
 
Coord 2000 20088+3915 Discov num MLB 769 Comp Coord arcsec 2000 20 08 50.39 +39 14 40.2
Date first 1932 Date last 2015 Obs 4
Pa first 130 Pa last 130.7 P.A. Now (θ) 130.7°
Sep first 4.3 Sep last 4.938 Sep. Now (ρ) 4.938"
Mag pri 11.50 Mag sec 13.00 delta mag (ΔM) 1.5 Spectral class
Pri motion ra -026 Sec motion ra -003
Pri motion dec +017 Sec motion dec -001
Notes
rPM=0.94
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2061976935129856384
 
 
WDS 20088+3915 MLB 769 : 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
20088+3915 MLB 769 1998 2 130 4.8 11.50 13.00 D 200850.39+391440.2
20088+3915 MLB 769 2002 3 132 5.0 11.50 13.00 D 200850.39+391440.2
20088+3915 MLB 769 2015 4 131 4.9 11.50 13.00 200850.39+391440.2

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

 
 
WDS 20088+3915 MLB 769 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20088+3915 MLB 769 : MEASURES
 
 
No records found.

 
 
WDS 20088+3915 : VIRTUAL EYEPIECE
 
 

20088+3915 MLB 769A mag 11.5 20088+3915 MLB 769B sep 4.3 P.A. 138.00 mag 13 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 20088+3915 : ALADIN DSS IMAGE @ 20h 08m 50.39s +39° 14' 40.2"
 
 
 
 
WDS 20088+3915 MLB 769 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20088+3915 MLB 769 distance=0' 20091+3907 MLB 771 distance=9' 20089+3905 MLB 770 distance=10' 20093+3926 TDT2028 distance=13' 20081+3926 ES 1972 distance=15' 20085+3936 MLB 768 distance=22' 20107+3900 ES 2046 distance=26' 20109+3857 DAM 198 distance=31' 20069+3938 ES 1971 distance=33' 20112+3854 MLB 950 distance=35' 20113+3855 DAM 199 distance=35' 20079+3949 STJ 83 distance=36' 20099+3951 ALI1135 distance=38' 20057+3905 J 1072 distance=38' 20122+3912 TDT2079 distance=40' 20116+3853 A 1418 distance=40' 20076+3837 A 1416 distance=40' 20118+3936 COU2415AB distance=41' 20118+3936 ES 1973AB,C distance=41' 20056+3935 COU2535 distance=44' 20121+3938 SEI 997 distance=44' 20082+3831 ALI 920 distance=45' 20117+3843 TDT2073 distance=46' 20052+3857 BU 1480 distance=47' 20128+3916 SEI1013 distance=47' 20066+3836 BRT2229 distance=48' 20124+3940 TDT2083 distance=48' 20107+4001 TDS1048 distance=51' 20101+3826 ALI 921 distance=51' 20082+3823 DAM 194 distance=52' 20133+3905 SEI1017 distance=53' 20135+3912 SEI1025AB distance=55' 20135+3912 SEI1025AC distance=55' 20096+4009 COU2414 distance=55' 20074+3819 POP 187 distance=58' 20114+3824 SLE 955 distance=59' 20042+3851 ALI 915 distance=60' 20048+3837 SEI 843 distance=60' 20115+3823 SLE 956 distance=61' 20073+4013 BRT2252 distance=61' 20044+3947 ALI1133 distance=62' 20134+3844 BLL 47AB distance=62' 20134+3844 BLL 47AC distance=62' 20060+3821 POP 185EF distance=63' 20122+3827 STT 401 distance=63' 20038+3937 ALI1132 distance=63' 20040+3847 ALI 914AB distance=63' 20060+3821 POP 185AB distance=63' 20060+3821 POP 185AC distance=63' 20060+3821 POP 185AD distance=63' 20060+3821 POP 185AE distance=63' 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 20088+3915 MLB 769 131 4.9
Show 20091+3907 MLB 771 17 3.7 9
Show 20089+3905 MLB 770 284 6.1 10
Show 20093+3926 TDT2028 187 1.5 13
Show 20081+3926 ES 1972 146 4.4 15
Show 20085+3936 MLB 768 111 5.1 22
Show 20107+3900 ES 2046 100 6.2 26
Show 20109+3857 DAM 198 263 6.4 31
Show 20069+3938 ES 1971 291 3.3 33
Show 20112+3854 MLB 950 185 4.2 35
Show 20113+3855 DAM 199 70 6.5 35
Show 20079+3949 STJ 83 307 0.9 36
Show 20099+3951 ALI1135 200 13.1 38
Show 20057+3905 J 1072 252 4.1 38
Show 20122+3912 TDT2079 32 1.9 40
Show 20116+3853 A 1418 330 3.0 40
Show 20076+3837 A 1416 42 4.7 40
Show 20118+3936 COU2415 AB 158 0.4 41
Show 20118+3936 ES 1973 AB,C 352 4.1 41
Show 20056+3935 COU2535 135 2.0 44
Show 20121+3938 SEI 997 146 10.3 44
Show 20082+3831 ALI 920 149 14.0 45
Show 20117+3843 TDT2073 151 1.6 46
Show 20052+3857 BU 1480 328 8.2 47
Show 20128+3916 SEI1013 330 20.6 47
Show 20066+3836 BRT2229 156 3.4 48
Show 20124+3940 TDT2083 350 1.1 48
Show 20107+4001 TDS1048 339 1.1 51
Show 20101+3826 ALI 921 200 6.9 51
Show 20082+3823 DAM 194 77 3.1 52
Show 20133+3905 SEI1017 259 28.3 53
Show 20135+3912 SEI1025 AB 168 5.7 55
Show 20135+3912 SEI1025 AC 256 26.6 55
Show 20096+4009 COU2414 159 0.3 55
Show 20074+3819 POP 187 90 5.3 58
Show 20114+3824 SLE 955 27 15.2 59
Show 20042+3851 ALI 915 198 14.9 60
Show 20048+3837 SEI 843 132 13.3 60
Show 20115+3823 SLE 956 236 9.9 61
Show 20073+4013 BRT2252 188 2.9 61
Show 20044+3947 ALI1133 346 13.1 62
Show 20134+3844 BLL 47 AB 354 131.7 62
Show 20134+3844 BLL 47 AC 106 154.0 62
Show 20060+3821 POP 185 EF 258 3.0 63
Show 20122+3827 STT 401 69 12.8 63
Show 20038+3937 ALI1132 229 7.8 63
Show 20040+3847 ALI 914 AB 230 14.8 63
Show 20060+3821 POP 185 AB 125 43.5 63
Show 20060+3821 POP 185 AC 185 64.9 63
Show 20060+3821 POP 185 AD 62 128.5 63
Show 20060+3821 POP 185 AE 101 120.0 63

 
 
WDS 20088+3915 : COMPONENTS
 
 
  A
B pa=138.0°
sep=4.33"
 
 
20088+3915 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 200850.39+391440.2 Mag 11.5 PmRA -26.00
PmDE 17.0
 
 
20088+3915 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200850.64+391437.0 Mag 13 PmRA -3.00
PmDE -1.0 Calc delta mag 1.5 Calc coord yes