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Doubles in session


Current system
18540+2728
LDS 4801


Nearby doubles
11' : 18541+2718
HJ 1355

28' : 18546+2754
BRT3335AB

34' : 18564+2723
TDT1137

34' : 18553+2700
STF2418

39' : 18518+2703
KPP 829

39' : 18567+2718
COU1015

45' : 18570+2747
COU1016

49' : 18575+2741
A 259

50' : 18565+2652
TDT1139

54' : 18550+2637
TDT1124

56' : 18536+2823
MLB 692AB

60' : 18525+2632
TOK 326AB

61' : 18568+2816
MLB 756AB

62' : 18568+2817
DBR 8

66' : 18587+2744
COU 817

66' : 18499+2806
OSO 104AB

69' : 18591+2730
A 261

74' : 18576+2633
TDT1148

75' : 18509+2831
MLB 650

76' : 18552+2842
MLB 693AB

79' : 18543+2610
TDT1121

83' : 18499+2626
STF2406

87' : 18475+2724
BRT 35

88' : 18542+2856
MLB 467

88' : 19005+2716
TDT1178

89' : 18525+2602
TDT1100



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

18540+2728 LDS 4801

 
 
18h 53m 58.00s +27° 28' 08.4" P.A. 351.00 sep 244.1 mag 10.49,15.30 Sp G5
 
 
Coord 2000 18540+2728 Discov num LDS4801 Comp Coord arcsec 2000 18 53 58.00 +27 28 08.4
Date first 1960 Date last 2015 Obs 9
Pa first 351 Pa last 351.3 P.A. Now (θ) 351.3°
Sep first 248.0 Sep last 244.106 Sep. Now (ρ) 244.106"
Mag pri 10.49 Mag sec 15.30 delta mag (ΔM) 4.81 Spectral class G5 (yellow)
Pri motion ra -058 Sec motion ra -002
Pri motion dec -073 Sec motion dec -134
Notes
rPM=0.618
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Tycho2 2117-00183-1 Gaia DR2 4538189064895621504 HD 337071
 
 
WDS 18540+2728 LDS 4801 : 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
18540+2728 LDS4801 1960 1 351 248.0 10.49 14.80 185358.00+272808.4
18540+2728 LDS4801 2000 2 351 245.3 10.49 15.30 185358.00+272808.4
18540+2728 LDS4801 2002 3 351 245.0 10.49 15.30 185358.00+272808.4
18540+2728 LDS4801 2010 4 351 244.4 10.49 15.30 G5 185358.00+272808.4
18540+2728 LDS4801 2015 5 351 244.1 10.49 15.30 G5 185358.00+272808.4

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

 
 
WDS 18540+2728 LDS 4801 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18540+2728 LDS 4801 : MEASURES
 
 
No records found.

 
 
WDS 18540+2728 : VIRTUAL EYEPIECE
 
 

18540+2728 LDS4801A mag 10.49 Sp G5 18540+2728 LDS4801B sep 243.5 P.A. 352.30 mag 15.3 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18540+2728 : ALADIN DSS IMAGE @ 18h 53m 58.00s +27° 28' 08.4"
 
 
 
 
WDS 18540+2728 LDS 4801 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18540+2728 LDS4801 distance=0' 18541+2718 HJ 1355 distance=11' 18546+2754 BRT3335AB distance=28' 18546+2754 DAL 5AC distance=28' 18564+2723 TDT1137 distance=34' 18553+2700 STF2418 distance=34' 18518+2703 KPP 829 distance=39' 18567+2718 COU1015 distance=39' 18570+2747 COU1016 distance=45' 18575+2741 A 259 distance=49' 18565+2652 TDT1139 distance=50' 18550+2637 TDT1124 distance=54' 18536+2823 MLB 692AB distance=56' 18536+2823 MLB 692AC distance=56' 18525+2632 HDS2677Aa,Ab distance=60' 18525+2632 TOK 326AB distance=60' 18568+2816 MLB 756BC distance=61' 18568+2816 MLB 756AB distance=61' 18568+2817 DBR 8 distance=62' 18587+2744 COU 817 distance=66' 18499+2806 OSO 104AB distance=66' 18499+2806 OSO 104AD distance=66' 18499+2806 OSO 104AE distance=66' 18499+2806 OSO 104AF distance=66' 18499+2806 OSO 104AG distance=66' 18591+2730 A 261 distance=69' 18576+2633 TDT1148 distance=74' 18509+2831 MLB 650 distance=75' 18552+2842 MLB 693AB distance=76' 18552+2842 MLB 693AC distance=76' 18543+2610 TDT1121 distance=79' 18499+2626 STF2406 distance=83' 18475+2724 BRT 35 distance=87' 18542+2856 MLB 467 distance=88' 19005+2716 TDT1178 distance=88' 18525+2602 TDT1100 distance=89' 18491+2834 J 1208 distance=92' 18571+2606 STF2422 distance=93' 18534+2553 A 2989 distance=96' 18524+2555 TDT1097 distance=96' 18581+2605 TDT1151 distance=100' 19015+2724 AG 370 distance=101' 18493+2606 BRT3334 distance=104' 18461+2734 SLE 366 distance=106' 18473+2825 HJ 1347AB distance=106' 18473+2825 HJ 1347AC distance=106' 19019+2718 ES 479 distance=107' 18459+2719 PHL9001 distance=108' 18555+2914 STF2419 distance=108' 18460+2720 HJ 1343 distance=108' 18488+2603 TDT1066 distance=110' 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 18540+2728 LDS4801 351 244.1
Show 18541+2718 HJ 1355 223 12.1 11
Show 18546+2754 BRT3335 AB 70 10.0 28
Show 18546+2754 DAL 5 AC 274 26.2 28
Show 18564+2723 TDT1137 299 0.9 34
Show 18553+2700 STF2418 6 16.1 34
Show 18518+2703 KPP 829 52 7.1 39
Show 18567+2718 COU1015 92 1.0 39
Show 18570+2747 COU1016 130 1.1 45
Show 18575+2741 A 259 62 2.7 49
Show 18565+2652 TDT1139 242 2.9 50
Show 18550+2637 TDT1124 47 2.8 54
Show 18536+2823 MLB 692 AB 299 2.4 56
Show 18536+2823 MLB 692 AC 300 8.0 56
Show 18525+2632 HDS2677 Aa,Ab 81 1.0 60
Show 18525+2632 TOK 326 AB 77 1.0 60
Show 18568+2816 MLB 756 BC 302 8.0 61
Show 18568+2816 MLB 756 AB 287 3.9 61
Show 18568+2817 DBR 8 23 7.4 62
Show 18587+2744 COU 817 199 1.1 66
Show 18499+2806 OSO 104 AB 112 5.0 66
Show 18499+2806 OSO 104 AD 27 12.7 66
Show 18499+2806 OSO 104 AE 252 15.1 66
Show 18499+2806 OSO 104 AF 46 23.6 66
Show 18499+2806 OSO 104 AG 135 22.1 66
Show 18591+2730 A 261 193 3.7 69
Show 18576+2633 TDT1148 349 0.6 74
Show 18509+2831 MLB 650 161 5.3 75
Show 18552+2842 MLB 693 AB 176 6.5 76
Show 18552+2842 MLB 693 AC 154 9.5 76
Show 18543+2610 TDT1121 112 0.8 79
Show 18499+2626 STF2406 4 4.6 83
Show 18475+2724 BRT 35 50 5.1 87
Show 18542+2856 MLB 467 196 9.6 88
Show 19005+2716 TDT1178 334 0.9 88
Show 18525+2602 TDT1100 148 2.4 89
Show 18491+2834 J 1208 334 4.7 92
Show 18571+2606 STF2422 71 0.8 93
Show 18534+2553 A 2989 199 0.3 96
Show 18524+2555 TDT1097 113 2.1 96
Show 18581+2605 TDT1151 152 0.4 100
Show 19015+2724 AG 370 340 4.0 101
Show 18493+2606 BRT3334 219 5.2 104
Show 18461+2734 SLE 366 337 10.0 106
Show 18473+2825 HJ 1347 AB 274 18.5 106
Show 18473+2825 HJ 1347 AC 165 75.6 106
Show 19019+2718 ES 479 142 8.1 107
Show 18459+2719 PHL9001 129 14.1 108
Show 18555+2914 STF2419 177 3.4 108
Show 18460+2720 HJ 1343 118 7.9 108
Show 18488+2603 TDT1066 106 0.6 110

 
 
WDS 18540+2728 : COMPONENTS
 
 
  A
B pa=352.3°
sep=243.51"
 
 
18540+2728 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 185358.00+272808.4 Mag 10.49 Spectral class G5 (yellow)
PmRA -58.00 PmDE -73.0 Tycho2 2117-00183-1 HD 337071
Tycho2
Tycho2 2117-00183-1 Pflag RAmdeg 283.49169383 DEmdeg 27.46901889
PmRA -61.6 PmDE -71.5 E RAmdeg 28 E DEmdeg 25
E pmRA 1.9 E pmDE 1.9 EpRAm 1989.14 EpDEm 1989.64
Num 4 Q RAmdeg 1.2 Q DEmdeg 0.4 Q pmRA 1.2
Q pmDE 0.4 BTmag 11.428 E BTmag 0.053 VTmag 10.493
E VTmag 0.035 Prox 999 TYC T HIP
CCDM RAdeg 283.49185639 DEdeg 27.46918472 EpRA 1990 1.58
EpDE 1990 1.64 E RAdeg 27.8 E DEdeg 25.1 Posflg
Corr 0.0
 
 
18540+2728 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185355.54+273209.7 Mag 15.3 PmRA -2.00
PmDE -134.0 Calc delta mag 4.81 Calc coord yes