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Doubles in session


Current system
21516+3030
MLB 669


Nearby doubles
18' : 21511+3046
DEA 89

33' : 21494+3045
STF2829

33' : 21494+3048
GRV 511

51' : 21534+3115
TDT3217

54' : 21530+2939
BRT 59

60' : 21487+3115
HJ 1695

66' : 21555+2942
HO 609AB

67' : 21479+3117
HJ 1688

68' : 21564+3001
MLB 721AB

69' : 21566+3053
HDS3119

80' : 21510+2911
A 889AB

81' : 21473+2932
STJ 58

84' : 21501+3151
BU 692AB

84' : 21458+2954
TDT3146

84' : 21457+2957
TDT3145

84' : 21470+2930
GRV 503

85' : 21451+3026
TDT3136

87' : 21568+3125
BRT 291

88' : 21458+2945
DAM 236

90' : 21572+2938
TDT3258

90' : 21455+3113
TDT3141

90' : 21455+2948
DAM 237

91' : 21559+3141
ES 2360

95' : 21517+2856
HLD 49

96' : 21538+2856
MLB 495

98' : 21532+3205
ES 2322AB



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.

21516+3030 MLB 669

 
 
21h 51m 35.73s +30° 29' 57.9" P.A. 309.00 sep 3.2 mag 9.50,10.50
 
 
Coord 2000 21516+3030 Discov num MLB 669 Comp Coord arcsec 2000 21 51 35.73 +30 29 57.9
Date first 1930 Date last 2015 Obs 4
Pa first 309 Pa last 309.1 P.A. Now (θ) 309.1°
Sep first 2.5 Sep last 3.187 Sep. Now (ρ) 3.187"
Mag pri 9.50 Mag sec 10.50 delta mag (ΔM) 1 Spectral class
Pri motion ra -002 Sec motion ra
Pri motion dec +000 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus Tycho2 2718-00093-1 Gaia DR2 1897604379162244992
 
 
WDS 21516+3030 MLB 669 : 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
21516+3030 MLB 669 2002 3 310 3.4 9.50 10.50 215135.73+302957.9
21516+3030 MLB 669 2015 4 309 3.2 9.50 10.50 215135.73+302957.9

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

 
 
WDS 21516+3030 MLB 669 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21516+3030 MLB 669 : MEASURES
 
 
No records found.

 
 
WDS 21516+3030 : VIRTUAL EYEPIECE
 
 

21516+3030 MLB 669A mag 9.5 21516+3030 MLB 669B sep 2.9 P.A. 313.30 mag 10.5 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 21516+3030 : ALADIN DSS IMAGE @ 21h 51m 35.73s +30° 29' 57.9"
 
 
 
 
WDS 21516+3030 MLB 669 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21516+3030 MLB 669 distance=0' 21511+3046 DEA 89 distance=18' 21494+3045 STF2829 distance=33' 21494+3048 GRV 511 distance=33' 21534+3115 TDT3217 distance=51' 21530+2939 BRT 59 distance=54' 21487+3115 HJ 1695 distance=60' 21555+2942 HO 609AB distance=66' 21555+2942 HO 609AC distance=66' 21555+2942 HO 609AD distance=66' 21555+2942 HO 609AE distance=66' 21479+3117 HJ 1688 distance=67' 21564+3001 MLB 721AB distance=68' 21564+3001 MLB 721AC distance=68' 21566+3053 HDS3119 distance=69' 21510+2911 A 889AB distance=80' 21510+2911 A 889Aa,Ab distance=80' 21473+2932 STJ 58 distance=81' 21501+3151 BU 692AB distance=84' 21501+3151 FOX 264AD distance=84' 21501+3151 FOX 264AE distance=84' 21501+3151 BU 692AC distance=84' 21501+3151 BU 692BC distance=84' 21458+2954 TDT3146 distance=84' 21457+2957 TDT3145 distance=84' 21470+2930 GRV 503 distance=84' 21451+3026 TDT3136 distance=85' 21568+3125 BRT 291 distance=87' 21458+2945 DAM 236 distance=88' 21572+2938 TDT3258 distance=90' 21455+3113 TDT3141 distance=90' 21455+2948 DAM 237 distance=90' 21559+3141 ES 2360 distance=91' 21517+2856 HLD 49 distance=95' 21538+2856 MLB 495 distance=96' 21532+3205 ES 2322AB distance=98' 21532+3205 ES 2322AD distance=98' 21532+3205 ES 2322BC distance=98' 21532+3205 ES 2322DE distance=99' 21517+2852 SHN 256 distance=99' 21587+2949 BUP 231 distance=101' 21544+3204 TDT3227 distance=101' 21575+2923 UC 4612 distance=102' 21530+3210 KPP4254 distance=103' 21544+3206 COU1042 distance=103' 21540+2852 GRV 519 distance=103' 21469+2907 CVR 919 distance=103' 21564+3156 HJ 1707 distance=107' 21442+2942 MLB 493 distance=108' 21474+2855 AG 420 distance=110' 21565+2900 HJ 1706 distance=111' 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 21516+3030 MLB 669 309 3.2
Show 21511+3046 DEA 89 204 14.8 18
Show 21494+3045 STF2829 15 17.1 33
Show 21494+3048 GRV 511 228 40.4 33
Show 21534+3115 TDT3217 327 4.2 51
Show 21530+2939 BRT 59 355 4.4 54
Show 21487+3115 HJ 1695 115 13.3 60
Show 21555+2942 HO 609 AB 356 3.3 66
Show 21555+2942 HO 609 AC 132 22.1 66
Show 21555+2942 HO 609 AD 147 30.4 66
Show 21555+2942 HO 609 AE 347 31.7 66
Show 21479+3117 HJ 1688 351 16.4 67
Show 21564+3001 MLB 721 AB 15 1.6 68
Show 21564+3001 MLB 721 AC 200 6.9 68
Show 21566+3053 HDS3119 33 0.6 69
Show 21510+2911 A 889 AB 15 0.2 80
Show 21510+2911 A 889 Aa,Ab 323 0.0 80
Show 21473+2932 STJ 58 193 1.8 81
Show 21501+3151 BU 692 AB 10 2.9 84
Show 21501+3151 FOX 264 AD 150 40.2 84
Show 21501+3151 FOX 264 AE 178 54.5 84
Show 21501+3151 BU 692 AC 292 40.9 84
Show 21501+3151 BU 692 BC 292 40.8 84
Show 21458+2954 TDT3146 359 2.5 84
Show 21457+2957 TDT3145 250 2.2 84
Show 21470+2930 GRV 503 331 20.4 84
Show 21451+3026 TDT3136 0.8 85
Show 21568+3125 BRT 291 297 1.3 87
Show 21458+2945 DAM 236 143 5.9 88
Show 21572+2938 TDT3258 262 1.8 90
Show 21455+3113 TDT3141 358 2.5 90
Show 21455+2948 DAM 237 233 6.3 90
Show 21559+3141 ES 2360 226 4.2 91
Show 21517+2856 HLD 49 341 2.1 95
Show 21538+2856 MLB 495 134 4.8 96
Show 21532+3205 ES 2322 AB 52 35.7 98
Show 21532+3205 ES 2322 AD 352 62.1 98
Show 21532+3205 ES 2322 BC 147 5.1 98
Show 21532+3205 ES 2322 DE 276 5.0 99
Show 21517+2852 SHN 256 -1 0.6 99
Show 21587+2949 BUP 231 76 55.4 101
Show 21544+3204 TDT3227 175 1.3 101
Show 21575+2923 UC 4612 23 64.1 102
Show 21530+3210 KPP4254 337 2.2 103
Show 21544+3206 COU1042 108 1.4 103
Show 21540+2852 GRV 519 318 22.1 103
Show 21469+2907 CVR 919 201 23.5 103
Show 21564+3156 HJ 1707 351 9.5 107
Show 21442+2942 MLB 493 330 8.6 108
Show 21474+2855 AG 420 145 7.5 110
Show 21565+2900 HJ 1706 260 10.0 111

 
 
WDS 21516+3030 : COMPONENTS
 
 
  A
B pa=313.3°
sep=2.93"
 
 
21516+3030 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 215135.73+302957.9 Mag 9.5 PmRA -2.00
PmDE 0.0
 
 
21516+3030 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 215135.57+302959.9 Mag 10.5 Tycho2 2718-00093-1
Calc delta mag 1 Calc coord yes
Tycho2
Tycho2 2718-00093-1 Pflag RAmdeg 327.89886944 DEmdeg 30.49944059
PmRA -2.1 PmDE 0.4 E RAmdeg 28 E DEmdeg 25
E pmRA 1.8 E pmDE 1.7 EpRAm 1984.79 EpDEm 1986.11
Num 5 Q RAmdeg 3.0 Q DEmdeg 2.8 Q pmRA 2.9
Q pmDE 2.8 BTmag 11.160 E BTmag 0.056 VTmag 10.592
E VTmag 0.049 Prox 999 TYC T HIP
CCDM RAdeg 327.89890889 DEdeg 30.49942028 EpRA 1990 1.47
EpDE 1990 1.66 E RAdeg 36.5 E DEdeg 30.9 Posflg
Corr 0.0