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Current system
20089+3905
MLB 770


Nearby doubles
3' : 20091+3907
MLB 771

10' : 20088+3915
MLB 769

22' : 20107+3900
ES 2046

22' : 20093+3926
TDT2028

24' : 20081+3926
ES 1972

26' : 20109+3857
DAM 198

29' : 20112+3854
MLB 950

30' : 20113+3855
DAM 199

31' : 20085+3936
MLB 768

32' : 20076+3837
A 1416

34' : 20116+3853
A 1418

36' : 20082+3831
ALI 920

38' : 20057+3905
J 1072

39' : 20122+3912
TDT2079

40' : 20117+3843
TDT2073

40' : 20066+3836
BRT2229

41' : 20069+3938
ES 1971

42' : 20101+3826
ALI 921

43' : 20082+3823
DAM 194

45' : 20052+3857
BU 1480

46' : 20079+3949
STJ 83

47' : 20118+3936
COU2415AB

47' : 20099+3951
ALI1135

47' : 20128+3916
SEI1013

49' : 20074+3819
POP 187

50' : 20121+3938
SEI 997



Selections
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Binocular doubles
Binary Systems
Triple Systems
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20089+3905 MLB 770

 
 
20h 08m 54.46s +39° 04' 58.8" P.A. 284.00 sep 6.1 mag 10.49,13.50 Sp A
 
 
Coord 2000 20089+3905 Discov num MLB 770 Comp Coord arcsec 2000 20 08 54.46 +39 04 58.8
Date first 1932 Date last 2015 Obs 8
Pa first 289 Pa last 284 P.A. Now (θ) 284°
Sep first 4.5 Sep last 6.061 Sep. Now (ρ) 6.061"
Mag pri 10.49 Mag sec 13.50 delta mag (ΔM) 3.01 Spectral class A (white)
Pri motion ra +003 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3150-00964-1 Gaia DR2 2061966283610547968
 
 
WDS 20089+3905 MLB 770 : 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
20089+3905 MLB 770 1932 1 289 4.5 10.49 13.50 200854.46+390458.8
20089+3905 MLB 770 2002 2 284 6.0 10.49 13.50 200854.46+390458.8
20089+3905 MLB 770 2010 4 283 5.8 10.49 13.50 A 200854.46+390458.8
20089+3905 MLB 770 2015 4 284 6.1 10.49 13.50 A 200854.46+390458.8

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

 
 
WDS 20089+3905 MLB 770 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20089+3905 MLB 770 : MEASURES
 
 
No records found.

 
 
WDS 20089+3905 : VIRTUAL EYEPIECE
 
 

20089+3905 MLB 770A mag 10.49 Sp A 20089+3905 MLB 770B sep 4.8 P.A. 287.80 mag 13.5 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 20089+3905 : ALADIN DSS IMAGE @ 20h 08m 54.46s +39° 04' 58.8"
 
 
 
 
WDS 20089+3905 MLB 770 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20089+3905 MLB 770 distance=0' 20091+3907 MLB 771 distance=3' 20088+3915 MLB 769 distance=10' 20107+3900 ES 2046 distance=22' 20093+3926 TDT2028 distance=22' 20081+3926 ES 1972 distance=24' 20109+3857 DAM 198 distance=26' 20112+3854 MLB 950 distance=29' 20113+3855 DAM 199 distance=30' 20085+3936 MLB 768 distance=31' 20076+3837 A 1416 distance=32' 20116+3853 A 1418 distance=34' 20082+3831 ALI 920 distance=36' 20057+3905 J 1072 distance=38' 20122+3912 TDT2079 distance=39' 20117+3843 TDT2073 distance=40' 20066+3836 BRT2229 distance=40' 20069+3938 ES 1971 distance=41' 20101+3826 ALI 921 distance=42' 20082+3823 DAM 194 distance=43' 20052+3857 BU 1480 distance=45' 20079+3949 STJ 83 distance=46' 20118+3936 COU2415AB distance=47' 20118+3936 ES 1973AB,C distance=47' 20099+3951 ALI1135 distance=47' 20128+3916 SEI1013 distance=47' 20074+3819 POP 187 distance=49' 20121+3938 SEI 997 distance=50' 20056+3935 COU2535 distance=50' 20114+3824 SLE 955 distance=51' 20133+3905 SEI1017 distance=51' 20115+3823 SLE 956 distance=52' 20124+3940 TDT2083 distance=54' 20135+3912 SEI1025AB distance=55' 20135+3912 SEI1025AC distance=55' 20122+3827 STT 401 distance=55' 20060+3821 POP 185EF distance=55' 20048+3837 SEI 843 distance=55' 20060+3821 POP 185AB distance=56' 20060+3821 POP 185AC distance=56' 20060+3821 POP 185AD distance=56' 20060+3821 POP 185AE distance=56' 20060+3821 POP 185AG distance=56' 20134+3844 BLL 47AB distance=57' 20134+3844 BLL 47AC distance=57' 20042+3851 ALI 915 distance=57' 20052+3829 BU 1481AB distance=57' 20052+3829 WAL 126AC distance=57' 20052+3829 LLO 21AD distance=57' 20052+3829 LLO 21AE distance=57' 20084+3808 HJ 606 distance=58' 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 20089+3905 MLB 770 284 6.1
Show 20091+3907 MLB 771 17 3.7 3
Show 20088+3915 MLB 769 131 4.9 10
Show 20107+3900 ES 2046 100 6.2 22
Show 20093+3926 TDT2028 187 1.5 22
Show 20081+3926 ES 1972 146 4.4 24
Show 20109+3857 DAM 198 263 6.4 26
Show 20112+3854 MLB 950 185 4.2 29
Show 20113+3855 DAM 199 70 6.5 30
Show 20085+3936 MLB 768 111 5.1 31
Show 20076+3837 A 1416 42 4.7 32
Show 20116+3853 A 1418 330 3.0 34
Show 20082+3831 ALI 920 149 14.0 36
Show 20057+3905 J 1072 252 4.1 38
Show 20122+3912 TDT2079 32 1.9 39
Show 20117+3843 TDT2073 151 1.6 40
Show 20066+3836 BRT2229 156 3.4 40
Show 20069+3938 ES 1971 291 3.3 41
Show 20101+3826 ALI 921 200 6.9 42
Show 20082+3823 DAM 194 77 3.1 43
Show 20052+3857 BU 1480 328 8.2 45
Show 20079+3949 STJ 83 307 0.9 46
Show 20118+3936 COU2415 AB 158 0.4 47
Show 20118+3936 ES 1973 AB,C 352 4.1 47
Show 20099+3951 ALI1135 200 13.1 47
Show 20128+3916 SEI1013 330 20.6 47
Show 20074+3819 POP 187 90 5.3 49
Show 20121+3938 SEI 997 146 10.3 50
Show 20056+3935 COU2535 135 2.0 50
Show 20114+3824 SLE 955 27 15.2 51
Show 20133+3905 SEI1017 259 28.3 51
Show 20115+3823 SLE 956 236 9.9 52
Show 20124+3940 TDT2083 350 1.1 54
Show 20135+3912 SEI1025 AB 168 5.7 55
Show 20135+3912 SEI1025 AC 256 26.6 55
Show 20122+3827 STT 401 69 12.8 55
Show 20060+3821 POP 185 EF 258 3.0 55
Show 20048+3837 SEI 843 132 13.3 55
Show 20060+3821 POP 185 AB 125 43.5 56
Show 20060+3821 POP 185 AC 185 64.9 56
Show 20060+3821 POP 185 AD 62 128.5 56
Show 20060+3821 POP 185 AE 101 120.0 56
Show 20060+3821 POP 185 AG 293 19.1 56
Show 20134+3844 BLL 47 AB 354 131.7 57
Show 20134+3844 BLL 47 AC 106 154.0 57
Show 20042+3851 ALI 915 198 14.9 57
Show 20052+3829 BU 1481 AB 240 42.7 57
Show 20052+3829 WAL 126 AC 212 70.4 57
Show 20052+3829 LLO 21 AD 212 4.9 57
Show 20052+3829 LLO 21 AE 169 9.1 57
Show 20084+3808 HJ 606 229 44.0 58

 
 
WDS 20089+3905 : COMPONENTS
 
 
  A
B pa=287.8°
sep=4.79"
 
 
20089+3905 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 200854.46+390458.8 Mag 10.49 Spectral class A (white)
PmRA 3.00 PmDE -2.0 Tycho2 3150-00964-1
Tycho2
Tycho2 3150-00964-1 Pflag RAmdeg 302.22692008 DEmdeg 39.08301610
PmRA 2.0 PmDE -2.6 E RAmdeg 23 E DEmdeg 21
E pmRA 1.2 E pmDE 1.2 EpRAm 1985.18 EpDEm 1985.86
Num 8 Q RAmdeg 2.3 Q DEmdeg 1.0 Q pmRA 2.2
Q pmDE 1.0 BTmag 10.734 E BTmag 0.039 VTmag 10.494
E VTmag 0.044 Prox 999 TYC T HIP
CCDM RAdeg 302.22693639 DEdeg 39.08301861 EpRA 1990 1.52
EpDE 1990 1.69 E RAdeg 26.6 E DEdeg 25.0 Posflg
Corr 0.0
 
 
20089+3905 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200854.07+390500.3 Mag 13.5 Calc delta mag 3.01
Calc coord yes