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Current system
20231+1844
LDS 5905


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

20231+1844 LDS 5905

 
 
20h 23m 09.32s +18° 44' 27.6" P.A. 116.00 sep 3.5 mag 14.60,15.40
 
 
Coord 2000 20231+1844 Discov num LDS5905 Comp Coord arcsec 2000 20 23 09.32 +18 44 27.6
Date first 1960 Date last 2016 Obs 6
Pa first 114 Pa last 116.1 P.A. Now (θ) 116.1°
Sep first 3.0 Sep last 3.531 Sep. Now (ρ) 3.531"
Mag pri 14.60 Mag sec 15.40 delta mag (ΔM) 0.8 Spectral class
Pri motion ra -010 Sec motion ra -010
Pri motion dec -440 Sec motion dec -440
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus
 
 
WDS 20231+1844 LDS 5905 : 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
20231+1844 LDS5905 1960 1 114 3.0 16.60 17.70 202309.00+184430.0
20231+1844 LDS5905 1999 2 117 3.5 14.60 15.40 D 202309.32+184427.6
20231+1844 LDS5905 2001 3 115 3.5 14.60 15.40 D 202309.32+184427.6
20231+1844 LDS5905 2015 4 116 3.5 14.60 15.40 202309.32+184427.6
20231+1844 LDS5905 2016 5 116 3.5 14.60 15.40 202309.32+184427.6

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

 
 
WDS 20231+1844 LDS 5905 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20231+1844 LDS 5905 : MEASURES
 
 
No records found.

 
 
WDS 20231+1844 : VIRTUAL EYEPIECE
 
 

20231+1844 LDS5905A mag 14.6 20231+1844 LDS5905B sep 3.4 P.A. 117.40 mag 15.4 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20231+1844 : ALADIN DSS IMAGE @ 20h 23m 09.32s +18° 44' 27.6"
 
 
 
 
WDS 20231+1844 LDS 5905 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20231+1844 LDS5905 distance=0' 20243+1909 HU 361 distance=29' 20235+1811 J 839 distance=35' 20200+1848 HU 359 distance=45' 20201+1823 DAM 211AB distance=48' 20201+1823 DAM 211AC distance=48' 20216+1930 COU 327AB distance=51' 20216+1930 COU 327AB,C distance=51' 20244+1935 STF2679AB distance=53' 20244+1935 STF2679AC distance=53' 20203+1826 J 3075 distance=58' 20204+1825 J 3076 distance=58' 20224+1745 BPM2132 distance=61' 20247+1747 BPMA247 distance=62' 20196+1925 BRT2525 distance=65' 20186+1905 J 835 distance=69' 20209+1948 HJ 2954AB distance=72' 20209+1948 HJ 2954BC distance=72' 20283+1846 HO 131AB distance=74' 20283+1846 HO 131AC distance=74' 20283+1846 HO 131AD distance=74' 20182+1820 HU 357 distance=75' 20267+1940 GWP2949 distance=75' 20192+1753 BPM2106 distance=77' 20263+1743 HJ 2962 distance=77' 20229+1728 BPMA246 distance=77' 20278+1805 HJL1103 distance=77' 20218+1729 BPM2128 distance=78' 20269+1747 BPM2163 distance=79' 20202+1734 BPM2116 distance=82' 20224+2006 BUP9009 distance=83' 20278+1935 TDT2296 distance=83' 20178+1917 TDT2146 distance=84' 20199+1733 HJ 2950 distance=85' 20266+1736 GWP2948 distance=85' 20215+1721 KPP1798 distance=87' 20270+1736 BPM2167 distance=88' 20195+1954 J 836 distance=89' 20188+1751 J 3314 distance=89' 20177+1755 J 1340 distance=90' 20262+1721 BPM2158 distance=94' 20269+1727 BPM2164 distance=94' 20230+2020 HDS2911 distance=96' 20228+2023 J 3081 distance=98' 20227+2023 J 3080 distance=99' 20187+2001 HDS2901 distance=99' 20178+1944 J 3072 distance=99' 20167+1925 GCB 52 distance=100' 20192+1723 J 1247 distance=100' 20167+1923 J 3068 distance=101' 20170+1805 J 2307 distance=101' 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 20231+1844 LDS5905 116 3.5
Show 20243+1909 HU 361 198 0.6 29
Show 20235+1811 J 839 347 2.1 35
Show 20200+1848 HU 359 179 0.2 45
Show 20201+1823 DAM 211 AB 166 7.0 48
Show 20201+1823 DAM 211 AC 233 7.6 48
Show 20216+1930 COU 327 AB 245 0.2 51
Show 20216+1930 COU 327 AB,C 132 4.1 51
Show 20244+1935 STF2679 AB 77 24.7 53
Show 20244+1935 STF2679 AC 150 38.6 53
Show 20203+1826 J 3075 104 4.9 58
Show 20204+1825 J 3076 209 5.9 58
Show 20224+1745 BPM2132 278 95.1 61
Show 20247+1747 BPMA247 40 194.2 62
Show 20196+1925 BRT2525 60 1.9 65
Show 20186+1905 J 835 45 3.4 69
Show 20209+1948 HJ 2954 AB 303 3.1 72
Show 20209+1948 HJ 2954 BC 292 23.1 72
Show 20283+1846 HO 131 AB 334 3.4 74
Show 20283+1846 HO 131 AC 69 64.4 74
Show 20283+1846 HO 131 AD 97 76.9 74
Show 20182+1820 HU 357 195 1.8 75
Show 20267+1940 GWP2949 267 111.9 75
Show 20192+1753 BPM2106 39 22.5 77
Show 20263+1743 HJ 2962 103 13.4 77
Show 20229+1728 BPMA246 219 171.9 77
Show 20278+1805 HJL1103 82 126.5 77
Show 20218+1729 BPM2128 283 75.4 78
Show 20269+1747 BPM2163 31 113.7 79
Show 20202+1734 BPM2116 71 70.5 82
Show 20224+2006 BUP9009 47.1 83
Show 20278+1935 TDT2296 359 1.6 83
Show 20178+1917 TDT2146 307 0.7 84
Show 20199+1733 HJ 2950 282 14.6 85
Show 20266+1736 GWP2948 182 22.1 85
Show 20215+1721 KPP1798 235 13.9 87
Show 20270+1736 BPM2167 207 101.3 88
Show 20195+1954 J 836 251 3.0 89
Show 20188+1751 J 3314 70 3.4 89
Show 20177+1755 J 1340 312 1.8 90
Show 20262+1721 BPM2158 251 115.1 94
Show 20269+1727 BPM2164 20 110.5 94
Show 20230+2020 HDS2911 333 0.4 96
Show 20228+2023 J 3081 6.2 98
Show 20227+2023 J 3080 292 7.4 99
Show 20187+2001 HDS2901 46 0.3 99
Show 20178+1944 J 3072 91 5.8 99
Show 20167+1925 GCB 52 53 4.3 100
Show 20192+1723 J 1247 155 3.1 100
Show 20167+1923 J 3068 133 2.6 101
Show 20170+1805 J 2307 117 6.1 101

 
 
WDS 20231+1844 : COMPONENTS
 
 
  A
B pa=117.4°
sep=3.38"
 
 
20231+1844 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202309.32+184427.6 Mag 14.6 PmRA -10.00
PmDE -440.0
 
 
20231+1844 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202309.53+184426.0 Mag 15.4 PmRA -10.00
PmDE -440.0 Calc delta mag 0.8 Calc coord yes