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Current system
20209-2828
LDS 5904 Aa,Ab


Nearby doubles
25' : 20213-2805
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B 475

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UC 4131

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TDS1063

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TDT2109AB

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SKF1245

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JSP 813

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B 480

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TDT2222

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UC 4166

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RSS 543



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20209-2828 LDS 5904 Aa,Ab

 
 
20h 20m 56.44s -28° 29' 06.2" P.A. 345.00 sep 2.1 mag 13.80,17.60
 
 
Coord 2000 20209-2828 Discov num LDS5904 Comp Aa,Ab Coord arcsec 2000 20 20 56.44 -28 29 06.2
Date first 2015 Date last 2016 Obs 2
Pa first 345 Pa last 345.3 P.A. Now (θ) 345.3°
Sep first 2.1 Sep last 2.061 Sep. Now (ρ) 2.061"
Mag pri 13.80 Mag sec 17.60 delta mag (ΔM) 3.8 Spectral class
Pri motion ra +029 Sec motion ra +028
Pri motion dec -081 Sec motion dec -082
Notes T (Parallax indicates physical)
rPM=0.016 (< 0.3, Physical double)
This double is physical.
 
 
20209-2828 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 20 56 -28 29 06 LDS 5904 Aa,Ab 2016 2 345 2.1 13.80 17.60 3.80 <===
Show 20 20 56 -28 29 06 LDS 5904 AB 2015 4 49 254.6 14.16 18.20 4.04
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius
 
 
WDS 20209-2828 LDS 5904 Aa,Ab : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
LDS Luyten p.m. catalog (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20209-2828 LDS5904 Aa,Ab 2015 1 345 2.1 13.80 17.60 T 202056.44-282906.2
20209-2828 LDS5904 Aa,Ab 2016 2 345 2.1 13.80 17.60 T 202056.44-282906.2

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

 
 
WDS 20209-2828 LDS 5904 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20209-2828 LDS 5904 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 20209-2828 : VIRTUAL EYEPIECE
 
 

20209-2828 LDS5904A mag 14.16 20209-2828 LDS5904Ab sep 2.0 P.A. 347.00 mag 17.6 20209-2828 LDS5904B sep 237.8 P.A. 44.90 mag 18.2 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20209-2828 : ALADIN DSS IMAGE @ 20h 20m 56.44s -28° 29' 06.2"
 
 
 
 
WDS 20209-2828 LDS 5904 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20209-2828 LDS5904AB distance=1' 20209-2828 LDS5904Aa,Ab distance=1' 20213-2805 KPP1098 distance=25' 20235-2827 DAW 152AB distance=34' 20202-2908 GLP 18 distance=40' 20202-2750 SEE 416AB distance=41' 20202-2750 SEE 416AB,C distance=41' 20205-2749 RST3255 distance=41' 20205-2912 HJ 5188DE distance=42' 20205-2912 WIE 1BF distance=44' 20205-2912 HJ 5188AB distance=44' 20205-2912 HJ 5188AC distance=44' 20205-2912 HJ 5188AD distance=44' 20175-2827 LDS4836 distance=46' 20211-2916 BRT3091 distance=48' 20185-2749 B 475 distance=52' 20166-2817 LDS5903 distance=59' 20254-2840 CHR 97 distance=61' 20226-2928 JNN 325 distance=63' 20208-2720 SEE 414 distance=69' 20163-2748 LDS5902 distance=72' 20159-2758 UC 4131 distance=74' 20215-2946 TDS1063 distance=77' 20140-2808 TDT2109AB distance=95' 20140-2808 HJ 5180AC distance=95' 20162-2945 SKF1245 distance=99' 20229-3008 JSP 813 distance=103' 20228-2649 B 480 distance=104' 20130-2842 KPP3121 distance=106' 20228-2642 TDT2222 distance=111' 20236-2644 HO 456 distance=111' 20134-2921 LDS5901 distance=112' 20240-2630 UC 4166 distance=126' 20113-2838 RSS 543 distance=127' 20195-2620 B 476 distance=131' 20265-2638 HWE 54 distance=134' 20297-2719 COO 240 distance=136' 20310-2907 CHR 185 distance=137' 20192-2610 RST1067 distance=141' 20295-3001 HJ 5202 distance=146' 20319-2806 TDT2341 distance=147' 20275-3028 KPP2320 distance=147' 20289-2647 B 487 distance=147' 20100-2802 BRG 30 distance=148' 20139-2631 B 9039DE distance=151' 20139-2631 HJ 2935AB distance=151' 20139-2631 B 9039AC distance=151' 20139-2631 B 9039AD distance=151' 20288-2638 RST2141 distance=153' 20325-2843 SKF2087AB distance=154' 20325-2843 DAM1043AC distance=154' 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 20209-2828 LDS5904 AB 49 254.6 1
Show 20209-2828 LDS5904 Aa,Ab 345 2.1 1
Show 20213-2805 KPP1098 254 8.7 25
Show 20235-2827 DAW 152 AB 295 2.6 34
Show 20202-2908 GLP 18 198 56.8 40
Show 20202-2750 SEE 416 AB 248 1.1 41
Show 20202-2750 SEE 416 AB,C 261 25.0 41
Show 20205-2749 RST3255 109 0.1 41
Show 20205-2912 HJ 5188 DE 186 4.7 42
Show 20205-2912 WIE 1 BF 263 437.0 44
Show 20205-2912 HJ 5188 AB 38 3.7 44
Show 20205-2912 HJ 5188 AC 321 27.3 44
Show 20205-2912 HJ 5188 AD 38 120.6 44
Show 20175-2827 LDS4836 46 3.5 46
Show 20211-2916 BRT3091 52 2.8 48
Show 20185-2749 B 475 346 4.0 52
Show 20166-2817 LDS5903 66 317.2 59
Show 20254-2840 CHR 97 10 0.1 61
Show 20226-2928 JNN 325 214 0.2 63
Show 20208-2720 SEE 414 53 2.2 69
Show 20163-2748 LDS5902 297 281.0 72
Show 20159-2758 UC 4131 78 46.0 74
Show 20215-2946 TDS1063 214 1.0 77
Show 20140-2808 TDT2109 AB 27 1.8 95
Show 20140-2808 HJ 5180 AC 221 10.2 95
Show 20162-2945 SKF1245 228 24.6 99
Show 20229-3008 JSP 813 269 5.3 103
Show 20228-2649 B 480 168 1.1 104
Show 20130-2842 KPP3121 316 5.5 106
Show 20228-2642 TDT2222 22 0.6 111
Show 20236-2644 HO 456 194 13.2 111
Show 20134-2921 LDS5901 91 242.0 112
Show 20240-2630 UC 4166 332 59.9 126
Show 20113-2838 RSS 543 284 12.8 127
Show 20195-2620 B 476 281 0.4 131
Show 20265-2638 HWE 54 59 2.8 134
Show 20297-2719 COO 240 21 7.1 136
Show 20310-2907 CHR 185 266 0.0 137
Show 20192-2610 RST1067 278 5.0 141
Show 20295-3001 HJ 5202 84 15.6 146
Show 20319-2806 TDT2341 318 0.5 147
Show 20275-3028 KPP2320 320 19.6 147
Show 20289-2647 B 487 5 1.4 147
Show 20100-2802 BRG 30 283 0.7 148
Show 20139-2631 B 9039 DE 37 7.1 151
Show 20139-2631 HJ 2935 AB 223 16.1 151
Show 20139-2631 B 9039 AC 34 22.9 151
Show 20139-2631 B 9039 AD 195 53.5 151
Show 20288-2638 RST2141 139 1.7 153
Show 20325-2843 SKF2087 AB 9 61.0 154
Show 20325-2843 DAM1043 AC 197 11.5 154

 
 
WDS 20209-2828 : COMPONENTS
 
 
  A Ab
Ab pa=347.0°
sep=2.05"
 
B pa=44.9°
sep=237.81"
pa=45.3°
sep=236.73"
 
 
20209-2828 A
 
 
Coord arcsec 2000 202056.44-282906.2 Mag 14.16 PmRA 24.00 PmDE -80.0
 
 
20209-2828 Ab
 
 
Coord arcsec 2000 202056.41-282904.2 Mag 17.6 PmRA 28.00 PmDE -82.0
Calc delta mag 3.8 Calc coord yes
 
 
20209-2828 B
 
 
Coord arcsec 2000 202109.17-282617.8 Mag 18.2 PmRA 58.00 PmDE -90.0
Calc delta mag 4.4 Calc coord yes