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Doubles in session


Current system
10504-1326
LDS 4023 AB


Nearby doubles
16' : 10514-1329
GWP1475

28' : 10507-1353
J 2657

37' : 10480-1316
UC 1995

38' : 10529-1317
LDS4028

43' : 10530-1345
LDS4029

46' : 10512-1242
BRT2726

50' : 10535-1308
J 2077

53' : 10537-1306
J 2078

62' : 10500-1225
GWP1470

62' : 10463-1343
GWP1453AB

63' : 10488-1425
UC 1999

65' : 10464-1259
BRT2725

65' : 10544-1355
RST3720

68' : 10470-1241
GWP1454

80' : 10482-1438
S 615

82' : 10545-1422
KPP 233

83' : 10531-1439
GWP1484

86' : 10556-1246
GWP1499

94' : 10504-1459
RST3714

98' : 10481-1458
BU 595AB

98' : 10547-1211
LDS4035

102' : 10475-1154
CBL 137

105' : 10501-1511
TDS7492

107' : 10443-1227
GWP1447

109' : 10533-1506
LDS4032

111' : 10446-1438
LDS4010



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.

10504-1326 LDS 4023 AB

 
 
10h 50m 22.42s -13° 26' 07.2" P.A. 20.00 sep 8.8 mag 9.63,15.90 Sp K0 dist. 78 pc (254.44 l.y.)
 
 
Coord 2000 10504-1326 Discov num LDS4023 Comp AB Coord arcsec 2000 10 50 22.42 -13 26 07.2
Date first 1960 Date last 2016 Obs 7
Pa first 24 Pa last 20.3 P.A. Now (θ) 20.3°
Sep first 9.0 Sep last 8.799 Sep. Now (ρ) 8.799"
Mag pri 9.63 Mag sec 15.90 delta mag (ΔM) 6.27 Spectral class K0 (yellow-orange)
Pri motion ra -220 Sec motion ra -220
Pri motion dec +126 Sec motion dec +129
Notes N (See Notes)
rPM=0.012 (< 0.3, Physical double)
This double is physical.
 
 
10504-1326 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 10 50 22 -13 26 07 LDS 4023 AB 2016 7 20 8.8 9.63 15.90 6.27 <===
Show 10 50 22 -13 26 07 LDS 4023 AC 2015 8 93 150.7 9.72 15.73 6.01
Show 10 50 22 -13 26 07 ARN 73 AD 2015 12 83 121.8 9.63 9.76 0.13
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hydra HIP 52987 Tycho2 5505-00513-1 Gaia DR2 3756301023246748800
BD BD-12 3277 Distance 78 Distance ly 254.44
 
 
WDS 10504-1326 LDS 4023 AB : NOTES
 
 
discov_num notes refcode
LDS4023 AC: NLTT 25480/25488 Chm2004
 
 
REFERENCES
 
 
refcode metd author reference
Chm2004 E - Chaname, J. & Gould, A. 2004ApJ...601..289C
Chm2004 ApJ 601, 289, 2004
Chm2004 (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004 versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004 identical to discovery observations - predominantly close pairs - were assumed
Chm2004 not new observations, so not included in WDS. Similar concerns when primary and
Chm2004 secondary magnitudes or proper motions were the same.)
 
 
DISCOVERER
 
 
idgroup discov author
1 ARN Arnold, D.
100 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
10504-1326 LDS4023 AB 1998 2 21 8.6 9.63 15.90 K0 N D 105022.42-132607.2
10504-1326 LDS4023 AB 2000 3 21 8.8 9.63 15.90 K0 N D 105022.42-132607.2
10504-1326 LDS4023 AB 2010 6 20 8.6 9.63 15.90 K0 N 105022.42-132607.2
10504-1326 LDS4023 AB 2015 4 20 8.8 9.63 15.90 K0 N 105022.42-132607.2
10504-1326 LDS4023 AB 2016 7 20 8.8 9.63 15.90 K0 N 105022.42-132607.2

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

 
 
WDS 10504-1326 LDS 4023 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10504-1326 LDS 4023 AB : MEASURES
 
 
No records found.

 
 
WDS 10504-1326 : VIRTUAL EYEPIECE
 
 

10504-1326 LDS4023A mag 9.63 Sp K0 10504-1326 LDS4023B sep 8.8 P.A. 19.80 mag 15.9 10504-1326 LDS4023C sep 146.6 P.A. 92.70 mag 15.73 10504-1326 ARN 73D sep 118.5 P.A. 82.90 mag 9.76 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 10504-1326 : ALADIN DSS IMAGE @ 10h 50m 22.42s -13° 26' 07.2"
 
 
 
 
WDS 10504-1326 LDS 4023 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

10504-1326 LDS4023AB distance=0' 10514-1329 GWP1475 distance=16' 10507-1353 J 2657 distance=28' 10480-1316 UC 1995 distance=37' 10529-1317 LDS4028 distance=38' 10530-1345 LDS4029 distance=43' 10512-1242 BRT2726 distance=46' 10535-1308 J 2077 distance=50' 10537-1306 J 2078 distance=53' 10500-1225 GWP1470 distance=62' 10463-1343 GWP1453AB distance=62' 10488-1425 UC 1999 distance=63' 10464-1259 BRT2725 distance=65' 10544-1355 RST3720 distance=65' 10470-1241 GWP1454 distance=68' 10482-1438 S 615 distance=80' 10545-1422 KPP 233 distance=82' 10531-1439 GWP1484 distance=83' 10556-1246 GWP1499 distance=86' 10504-1459 RST3714 distance=94' 10481-1458 BU 595AB distance=98' 10481-1458 BU 595AC distance=98' 10481-1458 FOX9027AD distance=98' 10547-1211 LDS4035 distance=98' 10475-1154 CBL 137 distance=102' 10501-1511 TDS7492 distance=105' 10443-1227 GWP1447 distance=107' 10533-1506 LDS4032 distance=109' 10446-1438 LDS4010 distance=111' 10460-1500 LDS4014 distance=113' 10533-1140 BRT2727 distance=115' 10476-1516 STF1474BC distance=116' 10476-1516 STF1474AB distance=117' 10476-1516 STF1474AC distance=117' 10470-1139 LDS4017 distance=119' 10532-1519 LDS4031 distance=121' 10577-1229 A 1771 distance=121' 10483-1529 UC 1996 distance=127' 10537-1125 A 2374 distance=131' 10485-1537 GWP1462 distance=134' 10530-1536 TDS7531AB distance=136' 10476-1538 STF1473AB distance=138' 10476-1538 STF1473AC distance=138' 10476-1538 TOK 714Aa,Ab distance=138' 10409-1306 HDO 128AB distance=140' 10409-1259 BRT2724 distance=141' 10405-1331 HJ 4339BC distance=143' 10536-1111 GWP1487 distance=144' 10405-1331 HJ 4339AB distance=144' 10585-1450 GWP1513 distance=146' 10418-1443 S 611 distance=147' 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 10504-1326 LDS4023 AB 20 8.8
Show 10504-1326 LDS4023 AC 93 150.7
Show 10504-1326 ARN 73 AD 83 121.8
Show 10514-1329 GWP1475 300 60.2 16
Show 10507-1353 J 2657 162 8.0 28
Show 10480-1316 UC 1995 346 31.1 37
Show 10529-1317 LDS4028 248 8.0 38
Show 10530-1345 LDS4029 70 2.3 43
Show 10512-1242 BRT2726 157 3.9 46
Show 10535-1308 J 2077 162 12.6 50
Show 10537-1306 J 2078 28 16.7 53
Show 10500-1225 GWP1470 8 93.5 62
Show 10463-1343 GWP1453 AB 237 54.2 62
Show 10488-1425 UC 1999 359 25.2 63
Show 10464-1259 BRT2725 5 4.1 65
Show 10544-1355 RST3720 349 0.5 65
Show 10470-1241 GWP1454 211 14.9 68
Show 10482-1438 S 615 5 87.1 80
Show 10545-1422 KPP 233 180 3.7 82
Show 10531-1439 GWP1484 174 32.0 83
Show 10556-1246 GWP1499 33 14.7 86
Show 10504-1459 RST3714 235 1.7 94
Show 10481-1458 BU 595 AB 14 2.2 98
Show 10481-1458 BU 595 AC 171 81.9 98
Show 10481-1458 FOX9027 AD 105 93.9 98
Show 10547-1211 LDS4035 287 427.4 98
Show 10475-1154 CBL 137 49 27.7 102
Show 10501-1511 TDS7492 169 0.6 105
Show 10443-1227 GWP1447 40 100.4 107
Show 10533-1506 LDS4032 75 17.8 109
Show 10446-1438 LDS4010 29 4.3 111
Show 10460-1500 LDS4014 292 8.2 113
Show 10533-1140 BRT2727 55 6.0 115
Show 10476-1516 STF1474 BC 15 6.6 116
Show 10476-1516 STF1474 AB 27 65.9 117
Show 10476-1516 STF1474 AC 26 72.6 117
Show 10470-1139 LDS4017 160 3.2 119
Show 10532-1519 LDS4031 52 33.7 121
Show 10577-1229 A 1771 342 0.7 121
Show 10483-1529 UC 1996 178 9.6 127
Show 10537-1125 A 2374 177 0.6 131
Show 10485-1537 GWP1462 178 31.3 134
Show 10530-1536 TDS7531 AB 97 0.4 136
Show 10476-1538 STF1473 AB 10 30.5 138
Show 10476-1538 STF1473 AC 333 96.1 138
Show 10476-1538 TOK 714 Aa,Ab 74 0.0 138
Show 10409-1306 HDO 128 AB 32 3.0 140
Show 10409-1259 BRT2724 237 3.2 141
Show 10405-1331 HJ 4339 BC 93 6.0 143
Show 10536-1111 GWP1487 131 48.4 144
Show 10405-1331 HJ 4339 AB 51 43.3 144

 
 
WDS 10504-1326 : COMPONENTS
 
 
  A B C
B pa=19.8°
sep=8.77"
 
C pa=92.7°
sep=146.61"
pa=96.0°
sep=144.27"
 
D pa=82.9°
sep=118.52"
pa=86.8°
sep=114.82"
pa=306.7°
sep=35.95"
 
 
10504-1326 A
 
 
Coord arcsec 2000 105022.42-132607.2 Mag 9.63 Spectral class K0 (yellow-orange) PmRA -220.00
PmDE 126.0 HIP 52987 Tycho2 5505-00513-1 BD BD-12 3277
Tycho2
Tycho2 5505-00513-1 Pflag RAmdeg 162.59342652 DEmdeg -13.43532846
PmRA -220.2 PmDE 128.8 E RAmdeg 15 E DEmdeg 17
E pmRA 1.3 E pmDE 1.2 EpRAm 1988.94 EpDEm 1985.45
Num 8 Q RAmdeg 1.1 Q DEmdeg 0.7 Q pmRA 1.2
Q pmDE 0.7 BTmag 10.439 E BTmag 0.034 VTmag 9.717
E VTmag 0.026 Prox 999 TYC T HIP 52987
CCDM RAdeg 162.59394083 DEdeg -13.43562722 EpRA 1990 1.80
EpDE 1990 1.67 E RAdeg 15.6 E DEdeg 20.0 Posflg
Corr 0.1
Hipparcos
Catalog H HIP 52987 Proxy RAhms 10 50 22.56
DEdms -13 26 08.3 Vmag 9.63 VarFlag R Vmag G
RAdeg 162.594 DEdeg -13.4356 AstroRef Plx 13.28
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD-12 3277
CD CP Dm number -12 3277 VIred 0.73
SpType K0 R SpType Coord arcsec 2000 105022.56-132608.3
Hipparcos 2
HIP 52987 Sn 5 So 0 Nc 1
RArad 2.837800284 DErad -0.2344962946 Plx 12.82 PmRA -219.9
PmDE 128.79 E RArad 1.25 E DErad 0.91 E Plx 1.46
E pmRA 1.8 E pmDE 1.26 Hpmag 9.7626 E Hpmag 0.0016
SHp 0.02 VA 0 BV 0.672 E BV 0.005
VI 0.73
CCDM
Ccdm 10504-1326 RComp Comp A Note1
Note2 Discov num DRAs -1.76 DDEs -7.8
R dRAs 66 Year Theta Rho
Obs 3 Vmag 10.6 Sp K0 PmNote *
PmRA -233 PmDE 49 Dm number -12 3277 Cat1 BD
Name2 156262 Cat2 SAO HD M HD
ADS BDS M ADS BDS N IDS IDS 10454S1254A
HIC 52987
 
 
10504-1326 B
 
 
Coord arcsec 2000 105022.62-132558.9 Mag 15.9 PmRA -220.00 PmDE 129.0
Calc delta mag 6.27 Calc coord yes
CCDM
Ccdm 10504-1326 RComp Comp B Note1
Note2 Discov num LDS4023 DRAs DDEs
R dRAs Year 1960 Theta 24 Rho 9.0
Obs 1 Vmag 15.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 10454S1254B
HIC 52987
 
 
10504-1326 C
 
 
Coord arcsec 2000 105032.46-132614.0 Mag 15.73 PmRA -238.00 PmDE 45.0
Calc delta mag 6.1 Calc coord yes
CCDM
Ccdm 10504-1326 RComp Comp C Note1
Note2 Discov num LDS4023 DRAs DDEs
R dRAs Year 1960 Theta 90 Rho 151.0
Obs 1 Vmag 16.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 10454S1254B
HIC
 
 
10504-1326 D
 
 
Coord arcsec 2000 105030.48-132552.6 Mag 9.76 PmRA -21.00 PmDE 15.0
Tycho2 5505-00025-1 Calc delta mag 0.13 Calc coord yes
Tycho2
Tycho2 5505-00025-1 Pflag RAmdeg 162.62711811 DEmdeg -13.43079145
PmRA -19.8 PmDE 16.6 E RAmdeg 31 E DEmdeg 27
E pmRA 1.7 E pmDE 1.7 EpRAm 1980.48 EpDEm 1977.24
Num 5 Q RAmdeg 1.5 Q DEmdeg 1.2 Q pmRA 1.5
Q pmDE 1.2 BTmag 11.189 E BTmag 0.059 VTmag 9.761
E VTmag 0.027 Prox 999 TYC T HIP
CCDM RAdeg 162.62716361 DEdeg -13.43083667 EpRA 1990 1.79
EpDE 1990 1.66 E RAdeg 43.5 E DEdeg 56.0 Posflg
Corr 0.2