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Current system
20253+4003
MLB 22


Nearby doubles
3' : 20255+4006
D 22AB

5' : 20257+4004
TOR 25AB

8' : 20248+4009
HO 278

9' : 20254+4014
MLR 1

12' : 20244+4002
MLB 21

16' : 20259+4019
ALI1142

27' : 20272+3949
ES 1976

28' : 20272+3948
SEI1127

28' : 20264+4029
MLB1087

32' : 20280+3958
TDT2299

34' : 20237+3937
ALI1141

34' : 20283+4005
COU2538

38' : 20251+4042
TDT2253

41' : 20263+3925
ES 1975

42' : 20231+4037
TDT2228

43' : 20277+3932
TDT2292

43' : 20278+4036
TDT2294

47' : 20215+3950
SEI1103

47' : 20296+4021
STN 50

48' : 20294+4011
ALV 6

48' : 20283+4038
TDT2306

49' : 20232+4046
ES 1677

50' : 20231+4047
J 787AB

51' : 20231+4048
GRF 15

51' : 20259+3914
SEI1122

51' : 20235+3918
SEI1111



Selections
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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.

20253+4003 MLB 22

 
 
20h 25m 21.35s +40° 04' 22.5" P.A. 227.00 sep 6.2 mag 10.30,11.60
 
 
Coord 2000 20253+4003 Discov num MLB  22 Comp Coord arcsec 2000 20 25 21.35 +40 04 22.5
Date first 1917 Date last 2016 Obs 14
Pa first 225 Pa last 227.1 P.A. Now (θ) 227.1°
Sep first 5.1 Sep last 6.191 Sep. Now (ρ) 6.191"
Mag pri 10.30 Mag sec 11.60 delta mag (ΔM) 1.3 Spectral class
Pri motion ra +004 Sec motion ra -020
Pri motion dec -006 Sec motion dec -015
Notes
rPM=1.025
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2067472152487029376
 
 
WDS 20253+4003 MLB 22 : 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
20253+4003 MLB 22 1998 6 227 6.2 10.30 11.60 DI 202521.35+400422.5
20253+4003 MLB 22 2009 7 228 5.8 10.30 11.60 D 202521.35+400422.5
20253+4003 MLB 22 2015 9 227 6.2 10.30 11.60 202521.35+400422.5
20253+4003 MLB 22 2016 14 227 6.2 10.30 11.60 202521.35+400422.5

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

 
 
WDS 20253+4003 MLB 22 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20253+4003 MLB 22 : MEASURES
 
 
No records found.

 
 
WDS 20253+4003 : VIRTUAL EYEPIECE
 
 

20253+4003 MLB 22A mag 10.3 20253+4003 MLB 22B sep 5.5 P.A. 219.50 mag 11.6 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 20253+4003 : ALADIN DSS IMAGE @ 20h 25m 21.35s +40° 04' 22.5"
 
 
 
 
WDS 20253+4003 MLB 22 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20253+4003 MLB 22 distance=1' 20255+4006 D 22AB distance=3' 20255+4006 D 22AC distance=3' 20255+4006 POP 224AD distance=3' 20257+4004 TOR 25AB distance=5' 20257+4004 POP 199AC distance=5' 20248+4009 HO 278 distance=8' 20254+4014 MLR 1 distance=9' 20244+4002 MLB 21 distance=12' 20259+4019 ALI1142 distance=16' 20272+3949 ES 1976 distance=27' 20272+3948 SEI1127 distance=28' 20264+4029 MLB1087 distance=28' 20280+3958 TDT2299 distance=32' 20237+3937 ALI1141 distance=34' 20283+4005 COU2538 distance=34' 20222+4015 BU 665A,BC (Sadr) distance=38' 20222+4015 BU 665BC,D distance=38' 20222+4015 BU 665BC distance=38' 20251+4042 TDT2253 distance=38' 20263+3925 ES 1975 distance=41' 20231+4037 TDT2228 distance=42' 20277+3932 TDT2292 distance=43' 20278+4036 TDT2294 distance=43' 20215+3950 SEI1103 distance=47' 20296+4021 STN 50 distance=47' 20294+4011 ALV 6 distance=48' 20283+4038 TDT2306 distance=48' 20232+4046 ES 1677 distance=49' 20231+4047 J 787CD distance=50' 20231+4047 J 787AB distance=50' 20231+4047 J 787AC distance=50' 20231+4047 J 787AD distance=50' 20231+4048 GRF 15 distance=51' 20259+3914 SEI1122 distance=51' 20235+3918 SEI1111 distance=51' 20221+4042 ES 1676 distance=54' 20241+3912 SEI1115 distance=55' 20232+4052 CIA 46 distance=55' 20239+3912 J 129 distance=55' 20301+4007 ES 245 distance=55' 20299+4022 HJ 1525AB distance=55' 20299+4022 HJ 1525AC distance=55' 20286+3923 TDT2315 distance=56' 20298+3939 LSC 90 distance=57' 20290+3924 ALI1144 distance=58' 20203+3958 BRT2260 distance=58' 20271+3910 TDT2284 distance=59' 20230+3913 STTA206AB distance=59' 20230+3913 STTA206AD distance=59' 20271+3909 ALI 932 distance=59' 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 20253+4003 MLB 22 227 6.2 1
Show 20255+4006 D 22 AB 163 2.9 3
Show 20255+4006 D 22 AC 114 18.1 3
Show 20255+4006 POP 224 AD 98 71.2 3
Show 20257+4004 TOR 25 AB 191 4.7 5
Show 20257+4004 POP 199 AC 245 59.6 5
Show 20248+4009 HO 278 70 0.1 8
Show 20254+4014 MLR 1 213 0.4 9
Show 20244+4002 MLB 21 15 8.8 12
Show 20259+4019 ALI1142 56 12.1 16
Show 20272+3949 ES 1976 79 3.8 27
Show 20272+3948 SEI1127 116 26.3 28
Show 20264+4029 MLB1087 98 9.5 28
Show 20280+3958 TDT2299 8 0.5 32
Show 20237+3937 ALI1141 21 11.5 34
Show 20283+4005 COU2538 31 1.0 34
Show Sadr 20222+4015 BU 665 A,BC 197 147.1 38
Show 20222+4015 BU 665 BC,D 131 41.0 38
Show 20222+4015 BU 665 BC 302 1.9 38
Show 20251+4042 TDT2253 239 2.4 38
Show 20263+3925 ES 1975 26 4.1 41
Show 20231+4037 TDT2228 242 0.4 42
Show 20277+3932 TDT2292 167 0.5 43
Show 20278+4036 TDT2294 310 2.2 43
Show 20215+3950 SEI1103 223 17.0 47
Show 20296+4021 STN 50 170 6.3 47
Show 20294+4011 ALV 6 259 0.6 48
Show 20283+4038 TDT2306 156 1.1 48
Show 20232+4046 ES 1677 270 7.4 49
Show 20231+4047 J 787 CD 292 25.3 50
Show 20231+4047 J 787 AB 165 2.6 50
Show 20231+4047 J 787 AC 112 9.5 50
Show 20231+4047 J 787 AD 293 15.8 50
Show 20231+4048 GRF 15 139 199.3 51
Show 20259+3914 SEI1122 271 27.6 51
Show 20235+3918 SEI1111 10 25.3 51
Show 20221+4042 ES 1676 285 2.4 54
Show 20241+3912 SEI1115 181 23.6 55
Show 20232+4052 CIA 46 14 0.0 55
Show 20239+3912 J 129 35 3.3 55
Show 20301+4007 ES 245 158 4.1 55
Show 20299+4022 HJ 1525 AB 234 9.2 55
Show 20299+4022 HJ 1525 AC 39 17.1 55
Show 20286+3923 TDT2315 141 1.5 56
Show 20298+3939 LSC 90 335 0.1 57
Show 20290+3924 ALI1144 165 11.6 58
Show 20203+3958 BRT2260 9 3.2 58
Show 20271+3910 TDT2284 101 1.9 59
Show 20230+3913 STTA206 AB 254 43.7 59
Show 20230+3913 STTA206 AD 259 24.5 59
Show 20271+3909 ALI 932 194 14.2 59

 
 
WDS 20253+4003 : COMPONENTS
 
 
  A
B pa=219.5°
sep=5.46"
 
 
20253+4003 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202521.35+400422.5 Mag 10.3 PmRA 4.00
PmDE -6.0
 
 
20253+4003 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202521.05+400418.3 Mag 11.6 PmRA -20.00
PmDE -15.0 Calc delta mag 1.3 Calc coord yes