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Doubles in session


Current system
18566-5217
DAW 23
HD 175098


Nearby doubles
9' : 18562-5226
TDT1135

32' : 18552-5246
UC 3723

36' : 18527-5210
RST1005

37' : 18578-5142
RST1013

41' : 19007-5202
RST1015

47' : 18516-5229
LDS 655

48' : 19014-5201
RST1016

49' : 19017-5226
RST1017

52' : 18541-5131
RST1008

56' : 18565-5313
SWR 257

58' : 18588-5124
I 1387

59' : 18571-5315
TDT1144

60' : 18554-5316
UC 3724

62' : 18500-5207
HDS2669

63' : 18505-5247
UC 3693

70' : 18520-5122
I 1384

72' : 18538-5111
I 1386

74' : 19032-5302
FIN 269

76' : 18567-5102
RST5456

85' : 18577-5340
RST1012

86' : 19058-5208
UC 3798

87' : 18572-5051
BRT1084

88' : 18528-5057
HJ 5067

88' : 18562-5049
RST1011

101' : 18488-5108
DAW 223

101' : 18459-5201
RST1000



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.

18566-5217 DAW 23 (HD 175098)

 
 
18h 56m 33.75s -52° 17' 16.9" P.A. 42.00 sep 1.8 mag 8.50,10.92 Sp A0V dist. 187.97 pc (613.16 l.y.)
 
 
Coord 2000 18566-5217 Discov num DAW  23 Comp Coord arcsec 2000 18 56 33.75 -52 17 16.9
Date first 1916 Date last 2016 Obs 8
Pa first 39 Pa last 41.7 P.A. Now (θ) 41.7°
Sep first 2.0 Sep last 1.802 Sep. Now (ρ) 1.802"
Mag pri 8.50 Mag sec 10.92 delta mag (ΔM) 2.42 Spectral class A0V (white)
Pri motion ra -001 Sec motion ra -001
Pri motion dec -025 Sec motion dec -025
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 175098 Constellation Telescopium SAO 245819 HIP 92979
Tycho2 8386-00374-1 Gaia DR2 6651517140087015808 HD 175098 CP CP-5211299
Distance 187.97 Distance ly 613.16
 
 
WDS 18566-5217 DAW 23 (HD 175098) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Daw1918a Ma - Dawson, B.H. .
Daw1918a Pub. La Plata Obs. 4, Pt.1, 1918
Daw1918b Ma - Dawson, B.H. (measure by Chaves, A.J.) .
Daw1918b Pub. La Plata Obs. 4, Pt.1, 1918
Daw1919 orb - Dawson, B.H. 1919AJ.....32..109D
Daw1919 AJ 32, 109, 1919
Daw1920 orb - Dawson, B.H. 1920AJ.....32..141D
Daw1920 AJ 32, 141, 1920
Daw1920b orb - Dawson, B.H. 1920AJ.....32..161D
Daw1920b AJ 32, 161, 1920
Daw1922 Ma - Dawson, B.H. .
Daw1922 Pub. La Plata Obs. 4, Pt.2, 1922
Daw1922b orb - Dawson, B.H. 1922AJ.....34...17D
Daw1922b AJ 34, 17, 1922
Daw1924a Ma - Dawson, B.H. 1924AJ.....35..147D
Daw1924a AJ 35, 147, 1924 (DAW 112 - 158; data also in Daw1937)
Daw1924b orb - Dawson, B.H. 1924AJ.....36...23D
Daw1924b AJ 36, 23, 1924
Daw1926 orb - Dawson, B.H. 1926AJ.....36..181D
Daw1926 AJ 36, 181, 1926
Daw1927A Ma - Dawson, B.H. 1927sdsc.book......
Daw1927A cited in SDS (Southern Double Star Cat.), 1927
Daw1933 orb - Dawson, B.H. 1933AJ.....43...15D
Daw1933 AJ 43, 15, 1933
Daw1937 Ma - Dawson, B.H. .
Daw1937 Pub. La Plata Obs. 6, 85, 1937
Daw9999 Ma - Dawson, B.H. ...................
Daw9999 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
18566-5217 DAW 23 1991 6 39 2.0 8.50 10.92 A0V D 185633.75-521716.9
18566-5217 DAW 23 2015 7 42 1.8 8.50 10.92 A0V 185633.75-521716.9
18566-5217 DAW 23 2016 8 42 1.8 8.50 10.92 A0V 185633.75-521716.9

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

 
 
WDS 18566-5217 DAW 23 (HD 175098) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18566-5217 DAW 23 (HD 175098) : MEASURES
 
 
No records found.

 
 
WDS 18566-5217 (HD 175098) : VIRTUAL EYEPIECE
 
 

18566-5217 DAW 23A mag 8.5 Sp A0V 18566-5217 DAW 23B sep 1.5 P.A. 28.60 mag 10.92 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18566-5217 (HD 175098) : ALADIN DSS IMAGE @ 18h 56m 33.75s -52° 17' 16.9"
 
 
 
 
WDS 18566-5217 DAW 23 (HD 175098) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18566-5217 DAW 23 distance=0' 18562-5226 TDT1135 distance=9' 18552-5246 UC 3723 distance=32' 18527-5210 RST1005 distance=36' 18578-5142 RST1013 distance=37' 19007-5202 RST1015 distance=41' 18516-5229 LDS 655 distance=47' 19014-5201 RST1016 distance=48' 19017-5226 RST1017 distance=49' 18541-5131 RST1008 distance=52' 18565-5313 SWR 257 distance=56' 18588-5124 I 1387 distance=58' 18571-5315 TDT1144 distance=59' 18554-5316 UC 3724 distance=60' 18500-5207 HDS2669 distance=62' 18505-5247 UC 3693 distance=63' 18520-5122 I 1384 distance=70' 18538-5111 I 1386 distance=72' 19032-5302 FIN 269 distance=74' 18567-5102 RST5456 distance=76' 18577-5340 RST1012 distance=85' 19058-5208 UC 3798 distance=86' 18572-5051 BRT1084 distance=87' 18528-5057 HJ 5067 distance=88' 18562-5049 RST1011 distance=88' 18488-5108 DAW 223 distance=101' 18459-5201 RST1000 distance=101' 18455-5216 TOI1122 distance=102' 19040-5101 HDO 292AB distance=103' 19040-5101 HDO 292AC distance=103' 18520-5356 B 408 distance=107' 19020-5036 BRT1085AB distance=114' 19020-5036 BRT1085AC distance=114' 18472-5103 I 1383AB distance=115' 18472-5103 I 1383AC distance=115' 18495-5042 B 1372AB distance=116' 18495-5042 DAW 22AC distance=116' 18596-5411 TDT1173 distance=117' 18493-5354 SKF 371 distance=117' 18473-5056 CPO 598 distance=119' 18450-5122 RST5452 distance=121' 19056-5347 HJ 5081 distance=122' 18474-5050 HJ 5058AB distance=123' 18469-5054 RST1001 distance=124' 18434-5252 HJ 5055 distance=125' 18436-5138 RST5451AB distance=126' 18436-5138 RST5451Ba,Bb distance=126' 18541-5421 HJ 5068 distance=127' 18520-5418 TOK 325AB distance=128' 18520-5418 TOK 325Aa,Ab distance=128' 18502-5412 UC 3691 distance=129' 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 18566-5217 DAW 23 42 1.8
Show 18562-5226 TDT1135 323 0.9 9
Show 18552-5246 UC 3723 95 17.0 32
Show 18527-5210 RST1005 137 1.7 36
Show 18578-5142 RST1013 124 1.3 37
Show 19007-5202 RST1015 120 1.5 41
Show 18516-5229 LDS 655 330 15.7 47
Show 19014-5201 RST1016 217 1.2 48
Show 19017-5226 RST1017 273 2.9 49
Show 18541-5131 RST1008 140 3.1 52
Show 18565-5313 SWR 257 296 6.5 56
Show 18588-5124 I 1387 21 3.3 58
Show 18571-5315 TDT1144 124 0.5 59
Show 18554-5316 UC 3724 127 6.9 60
Show 18500-5207 HDS2669 182 0.6 62
Show 18505-5247 UC 3693 94 10.7 63
Show 18520-5122 I 1384 50 1.8 70
Show 18538-5111 I 1386 61 0.4 72
Show 19032-5302 FIN 269 135 0.5 74
Show 18567-5102 RST5456 124 0.2 76
Show 18577-5340 RST1012 89 1.1 85
Show 19058-5208 UC 3798 295 9.0 86
Show 18572-5051 BRT1084 119 3.9 87
Show 18528-5057 HJ 5067 274 2.9 88
Show 18562-5049 RST1011 89 0.7 88
Show 18488-5108 DAW 223 1 3.6 101
Show 18459-5201 RST1000 74 2.0 101
Show 18455-5216 TOI1122 35 0.5 102
Show 19040-5101 HDO 292 AB 9 19.4 103
Show 19040-5101 HDO 292 AC 29 27.5 103
Show 18520-5356 B 408 49 2.1 107
Show 19020-5036 BRT1085 AB 84 5.6 114
Show 19020-5036 BRT1085 AC 167 10.9 114
Show 18472-5103 I 1383 AB 247 0.6 115
Show 18472-5103 I 1383 AC 334 34.8 115
Show 18495-5042 B 1372 AB 123 2.8 116
Show 18495-5042 DAW 22 AC 20 12.4 116
Show 18596-5411 TDT1173 44 0.5 117
Show 18493-5354 SKF 371 269 8.4 117
Show 18473-5056 CPO 598 94 4.1 119
Show 18450-5122 RST5452 259 0.1 121
Show 19056-5347 HJ 5081 166 16.1 122
Show 18474-5050 HJ 5058 AB 341 11.7 123
Show 18469-5054 RST1001 69 1.6 124
Show 18434-5252 HJ 5055 75 7.6 125
Show 18436-5138 RST5451 AB 305 0.8 126
Show 18436-5138 RST5451 Ba,Bb 242 0.2 126
Show 18541-5421 HJ 5068 10 10.5 127
Show 18520-5418 TOK 325 AB 32 146.0 128
Show 18520-5418 TOK 325 Aa,Ab 242 0.1 128
Show 18502-5412 UC 3691 88 106.9 129

 
 
WDS 18566-5217 : COMPONENTS
 
 
  A
B pa=28.6°
sep=1.53"
 
 
18566-5217 A
 
 
Componente originario normalizzato AB Name HD 175098 Coord arcsec 2000 185633.75-521716.9 Mag 8.5
Spectral class A0V (white) PmRA -1.00 PmDE -25.0 SAO 245819
HIP 92979 Tycho2 8386-00374-1 HD 175098 CP CP-5211299
Tycho2
Tycho2 8386-00374-1 Pflag P RAmdeg 284.14063367 DEmdeg -52.28802196
PmRA -0.5 PmDE -25.4 E RAmdeg 51 E DEmdeg 49
E pmRA 2.5 E pmDE 2.4 EpRAm 1973.64 EpDEm 1972.77
Num 8 Q RAmdeg 1.9 Q DEmdeg 1.1 Q pmRA 1.9
Q pmDE 1.0 BTmag 8.534 E BTmag 0.017 VTmag 8.499
E VTmag 0.014 Prox 20 TYC T HIP 92979
CCDM A RAdeg 284.14062333 DEdeg -52.28796361 EpRA 1990 1.70
EpDE 1990 1.61 E RAdeg 6.4 E DEdeg 7.1 Posflg
Corr -0.1
SAO
SAO 245819 DelFlag RA1950 PmRA1950 0.0002
DE1950 PmDE1950 -0.006 Vmag 8.5 SpType A0
Double code Source 42 CatNum 7520 DM CP-5211299
DMcomp BDsup HD 175098 M HD 0
GC RA1950rad 4.94188768 DE1950rad -0.91373779 PmRA2000 -0.0002
PmDE2000 -0.009
Hipparcos
Catalog H HIP 92979 Proxy H RAhms 18 56 33.75
DEdms -52 17 16.7 Vmag 8.45 VarFlag R Vmag H
RAdeg 284.141 DEdeg -52.288 AstroRef A Plx 3.21
CCDM 18566-5217 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 40 Rho 1.817 HD 175098 BD
CD CP CP-5211299 Dm number -5211299 VIred 0.03
SpType A0V R SpType Coord arcsec 2000 185633.75-521716.7
Hipparcos 2
HIP 92979 Sn 15 So 3 Nc 2
RArad 4.9591894147 DErad -0.9125971018 Plx 5.32 PmRA -0.85
PmDE -19.67 E RArad 0.84 E DErad 0.68 E Plx 0.98
E pmRA 1.09 E pmDE 0.83 Hpmag 8.4596 E Hpmag 0.0024
SHp 0.017 VA 0 BV 0 E BV 0.495
VI 0.03
CCDM
Ccdm 18566-5217 RComp Comp A Note1
Note2 Discov num DRAs -2.30 DDEs -16.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp A0 PmNote *
PmRA 2 PmDE -6 Dm number -5211299 Cat1 CPD
Name2 245819 Cat2 SAO HD 175098 M HD
ADS BDS M ADS BDS N IDS IDS 18486S5225A
HIC 92979
 
 
18566-5217 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185633.83-521715.6 Mag 10.92 PmRA -1.00
PmDE -25.0 Tycho2 8386-00374-2 Calc delta mag 2.42 Calc coord yes
Tycho2
Tycho2 8386-00374-2 Pflag P RAmdeg 284.14063367 DEmdeg -52.28802196
PmRA -0.5 PmDE -25.4 E RAmdeg 51 E DEmdeg 49
E pmRA 2.5 E pmDE 2.4 EpRAm 1973.64 EpDEm 1972.77
Num 8 Q RAmdeg 1.9 Q DEmdeg 1.1 Q pmRA 1.9
Q pmDE 1.0 BTmag 11.641 E BTmag 0.165 VTmag 10.925
E VTmag 0.127 Prox 20 TYC HIP 92979
CCDM B RAdeg 284.14117917 DEdeg -52.28753972 EpRA 1990 1.62
EpDE 1990 1.51 E RAdeg 92.1 E DEdeg 89.4 Posflg
Corr 0.5
CCDM
Ccdm 18566-5217 RComp Comp B Note1
Note2 Discov num DAW 23 DRAs DDEs
R dRAs Year 1916 Theta 039 Rho 1.7
Obs 3 Vmag 11.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18486S5225B
HIC 92979