stampa
Login

Too lazy to login each time? Click on "Remember me" at login and forget about it!
Register here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
18310+0123
STF 2324 AB
HD 170739


Nearby doubles
18' : 18301+0112
HCH 11

18' : 18300+0114
EIR 1AB

19' : 18299+0115
HCH 8

19' : 18300+0113
HCH 9AB

19' : 18300+0112
HCH 10

20' : 18300+0111
STF2321

42' : 18304+0043
HDO 314

47' : 18279+0124
HDS2614

51' : 18299+0036
CON 33

53' : 18296+0035
SKF2129

53' : 18325+0036
RST5450

54' : 18296+0034
SHC 8

61' : 18333-0035
SKF2841

63' : 18268+0123
BAL1501

63' : 18289+0030
SHC 5

64' : 18289+0029
SHC 4

71' : 18349-0043
RST5119

71' : 18289+0020
SHC 3

72' : 18289+0019
SHC 6

73' : 18290+0017
SHC 7

76' : 18260+0119
LDS5863

76' : 18287+0016
SHC 2

78' : 18269-0036
BAL 894

82' : 18288+0009
LI 1

83' : 18261+0047
BU 1203

91' : 18283-0003
CHN 27



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.

18310+0123 STF 2324 AB (HD 170739)

 
 
18h 30m 58.45s +01° 23' 30.8" P.A. 148.00 sep 2.4 mag 9.04,9.37 Sp B8 dist. 2631.58 pc (8584.21 l.y.)
 
 
Coord 2000 18310+0123 Discov num STF2324 Comp AB Coord arcsec 2000 18 30 58.45 +01 23 30.8
Date first 1829 Date last 2018 Obs 61
Pa first 146 Pa last 148.4 P.A. Now (θ) 148.4°
Sep first 2.4 Sep last 2.395 Sep. Now (ρ) 2.395"
Mag pri 9.04 Mag sec 9.37 delta mag (ΔM) 0.33 Spectral class B8 (blue-white)
Pri motion ra -003 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18310+0123 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 170739 123590 18 30 58 +01 23 31 STF 2324 AB 2018 61 148 2.4 9.04 9.37 0.33 <===
Show 123590 18 30 58 +01 23 31 FOX 232 AC 2009 5 238 37.3 9.04 12.60 3.56
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 170739 Constellation Serpens SAO 123590 HIP 90748
Tycho2 0446-00152-1 Gaia DR2 4273747172559180416 HD 170739 GC 25277
BD BD+01 3698 Distance 2631.58 Distance ly 8584.21
 
 
WDS 18310+0123 STF 2324 AB (HD 170739) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Fox1909 Ma - Fox, P. 1909AN....181..245F
Fox1909 AN 181, 245, 1909 (measures are also in Fox1915)
Fox1910 Ma - Fox, P. 1910AJ.....26...87F
Fox1910 AJ 26, 87, 1910 (measures are also in Fox1915)
Fox1915 Ma j Fox, P. 1915AnDea...1....1F
Fox1915 Ann. Dearborn Obs. 1, 1, 1915
Fox1915b Ma j Fox, P. 1915AnDea...1...52F
Fox1915b Ann. Dearborn Obs. 1, 52, 1915
Fox1925 Ma j Fox, P. 1925AnDea...2....1F
Fox1925 +Ca Ann. Dearborn Obs. 2, 1, 1925
Fox1946 Ma - Fox, P. 1946AnDea...6....1F
Fox1946 +Po Ann. Dearborn Obs. 6, 1, 1946
STFA (F. Struve DD - Appendix list #1) ...................
STFB (F. Struve DD - Appendix list #2) ...................
StF1833A Ma - Struve, F.G.W. 1833MmRAS...5...13H
StF1833A +Mc cited by Herschel (MemRAS 5, 13, 1833)
StF1833B Ma - Struve, F.G.W. 1833AN.....10..389B
StF1833B cited by Bessel (AN 10, 389, 1833)
StF1837 Ma - Struve, F.G.W. 1837AN.....14...249
StF1837 Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837 (Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A Ma - Struve, F.G.W. 1844QB43.S66.......
StF1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A Ma - Struve, F.G.W. .
StF1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A Ma - Struve, F.G.W. 1865AN.....64...81E
StF1865A cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A Ma - Struve, F.G.W. 1875AN.....85..323D
StF1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878 Ma - Struve, F.G.W. .
StF1878 Pulkova Observations 9, 1878
StF1878B Ma - Struve, F.G.W. 1878Obs.....2..239G
StF1878B cited by Gledhill (Obs 2, 239, 1878)
StF1880A Ma - Struve, F.G.W. 1880Obs.....3..535G
StF1880A cited by Gledhill (Obs 3, 535, 1880)
StF1906A Ma - Struve, F.G.W. 1906QB821.B972.....
StF1906A cited in BDS (Burnham Double Star Cat.), 1906
StF1906B Ma - Struve, F.G.W. 1906MmRAS..56....1L
StF1906B cited by Lewis (MemRAS 56, 1, 1906)
StF1922A Ma - Struve, F.G.W. 1922AN....216...49R
StF1922A cited by Rabe (AN 216, 49, 1922)
StF1932A Ma - Struve, F.G.W. 1932QB821.A43......
StF1932A cited in ADS (Aitken Double Star Cat.), 1932
StF2002 - - Weis, J.
StF2002 F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002 USNO Library : QB 821 .S8 W49 2002
StF2022 - - email note from Jan Weis: 6 July 2022
StF9999 Ma - Struve, F.G.W. ...................
StF9999 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
18310+0123 STF2324 AB 2005 75 149 2.4 9.04 9.37 B8 D 183058.45+012330.8
18310+0123 STF2324 AB 2007 76 149 2.4 9.04 9.37 B8 D 183058.45+012330.8
18310+0123 STF2324 AB 2009 77 148 2.4 9.04 9.37 B8 D 183058.45+012330.8
18310+0123 STF2324 AB 2011 78 147 2.4 9.04 9.37 B8 D 183058.45+012330.8
18310+0123 STF2324 AB 2017 59 149 2.4 9.04 9.37 B8 183058.45+012330.8
18310+0123 STF2324 AB 2018 61 149 2.4 9.04 9.37 B8 183058.45+012330.8

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

 
 
WDS 18310+0123 STF 2324 AB (HD 170739) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18310+0123 STF 2324 AB (HD 170739) : MEASURES
 
 
No records found.

 
 
WDS 18310+0123 (HD 170739) : VIRTUAL EYEPIECE
 
 

18310+0123 STF2324A mag 9.04 Sp B8 18310+0123 STF2324B sep 2.4 P.A. 148.40 mag 9.37 18310+0123 FOX 232C sep 37.3 P.A. 237.90 mag 12.6 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 18310+0123 (HD 170739) : ALADIN DSS IMAGE @ 18h 30m 58.45s +01° 23' 30.8"
 
 
 
 
WDS 18310+0123 STF 2324 AB (HD 170739) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18310+0123 STF2324AB distance=1' 18310+0123 FOX 232AC distance=1' 18301+0112 HCH 11 distance=18' 18300+0114 DCH 99Aa,Ab distance=18' 18300+0114 EIR 1AB distance=18' 18300+0113 DCH 98Ca,Cb distance=19' 18300+0113 DCH 100Ba,Bb distance=19' 18299+0115 HCH 8 distance=19' 18300+0113 DCH 100Aa,Ab distance=19' 18300+0113 HCH 9AB distance=19' 18300+0113 DCH 98AC distance=19' 18300+0112 HCH 10 distance=19' 18300+0111 STF2321 distance=20' 18304+0043 HDO 314 distance=42' 18279+0124 HDS2614 distance=47' 18299+0036 CON 33 distance=51' 18296+0035 SKF2129 distance=53' 18325+0036 RST5450 distance=53' 18296+0034 SHC 8 distance=54' 18333-0035 SKF2841 distance=61' 18268+0123 BAL1501 distance=63' 18289+0030 SHC 5 distance=63' 18289+0029 SHC 4 distance=64' 18349-0043 RST5119 distance=71' 18289+0020 SHC 3 distance=71' 18289+0019 SHC 6 distance=72' 18290+0017 SHC 7 distance=73' 18260+0119 LDS5863 distance=76' 18287+0016 SHC 2 distance=76' 18269-0036 BAL 894 distance=78' 18288+0009 LI 1 distance=82' 18261+0047 BU 1203 distance=83' 18283-0003 CHN 27 distance=91' 18272+0012 STF2316Aa,Ab distance=92' 18272+0012 STF2316AB distance=92' 18295+0253 BAL1967AB distance=92' 18269+0009 BAL1195 distance=97' 18246-0058 TDT 844 distance=99' 18361+0017 IPH 25 distance=103' 18351+0003 RST5120 distance=103' 18360+0234 STN 43 distance=103' 18253+0222 BAL1966 distance=103' 18241+0130 HJ 858 distance=104' 18357+0239 TDT 950 distance=104' 18241+0141 CRC 28 distance=105' 18270+0258 LDS5864 distance=111' 18264+0255 HEI 560 distance=114' 18379-0023 STF2347 distance=121' 18374+0238 BU 1327 distance=122' 18227+0119 GWP2774 distance=125' 18394+0111 BAL1503 distance=126' 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 18310+0123 STF2324 AB 148 2.4 1
Show 18310+0123 FOX 232 AC 238 37.3 1
Show 18301+0112 HCH 11 323 6.2 18
Show 18300+0114 DCH 99 Aa,Ab 284 0.3 18
Show 18300+0114 EIR 1 AB 10 1.6 18
Show 18300+0113 DCH 98 Ca,Cb 92 0.1 19
Show 18300+0113 DCH 100 Ba,Bb 109 2.5 19
Show 18299+0115 HCH 8 159 4.3 19
Show 18300+0113 DCH 100 Aa,Ab 227 0.2 19
Show 18300+0113 HCH 9 AB 354 5.2 19
Show 18300+0113 DCH 98 AC 12 4.4 19
Show 18300+0112 HCH 10 29 1.5 19
Show 18300+0111 STF2321 191 6.7 20
Show 18304+0043 HDO 314 217 6.0 42
Show 18279+0124 HDS2614 334 0.7 47
Show 18299+0036 CON 33 303 9.5 51
Show 18296+0035 SKF2129 119 0.9 53
Show 18325+0036 RST5450 253 0.7 53
Show 18296+0034 SHC 8 123 7.1 54
Show 18333-0035 SKF2841 333 36.4 61
Show 18268+0123 BAL1501 321 3.0 63
Show 18289+0030 SHC 5 211 7.0 63
Show 18289+0029 SHC 4 243 5.5 64
Show 18349-0043 RST5119 125 2.8 71
Show 18289+0020 SHC 3 28 12.6 71
Show 18289+0019 SHC 6 242 5.3 72
Show 18290+0017 SHC 7 274 6.5 73
Show 18260+0119 LDS5863 323 5.6 76
Show 18287+0016 SHC 2 88 5.7 76
Show 18269-0036 BAL 894 269 5.7 78
Show 18288+0009 LI 1 249 7.5 82
Show 18261+0047 BU 1203 157 0.5 83
Show 18283-0003 CHN 27 138 2.9 91
Show 18272+0012 STF2316 Aa,Ab 298 0.2 92
Show 18272+0012 STF2316 AB 322 3.9 92
Show 18295+0253 BAL1967 AB 134 8.2 92
Show 18269+0009 BAL1195 296 8.8 97
Show 18246-0058 TDT 844 67 0.5 99
Show 18361+0017 IPH 25 182 44.4 103
Show 18351+0003 RST5120 209 0.2 103
Show 18360+0234 STN 43 28 10.1 103
Show 18253+0222 BAL1966 247 3.9 103
Show 18241+0130 HJ 858 229 12.7 104
Show 18357+0239 TDT 950 262 0.5 104
Show 18241+0141 CRC 28 216 7.0 105
Show 18270+0258 LDS5864 43 67.4 111
Show 18264+0255 HEI 560 208 1.7 114
Show 18379-0023 STF2347 259 3.4 121
Show 18374+0238 BU 1327 174 13.6 122
Show 18227+0119 GWP2774 84 18.8 125
Show 18394+0111 BAL1503 245 3.7 126

 
 
WDS 18310+0123 : COMPONENTS
 
 
  A B
B pa=148.4°
sep=2.39"
 
C pa=237.9°
sep=37.29"
pa=241.6°
sep=37.35"
 
 
18310+0123 A
 
 
Name HD 170739 Coord arcsec 2000 183058.45+012330.8 Mag 9.04 Spectral class B8 (blue-white)
PmRA -3.00 PmDE 1.0 SAO 123590 HIP 90748
Tycho2 0446-00152-1 HD 170739 GC 25277 BD BD+01 3698
Tycho2
Tycho2 0446-00152-1 Pflag RAmdeg 277.74353984 DEmdeg 1.39188690
PmRA -3.4 PmDE 1.4 E RAmdeg 15 E DEmdeg 15
E pmRA 1.6 E pmDE 1.6 EpRAm 1990.70 EpDEm 1990.55
Num 3 Q RAmdeg 0.7 Q DEmdeg 0.4 Q pmRA 0.7
Q pmDE 0.4 BTmag 9.434 E BTmag 0.026 VTmag 9.044
E VTmag 0.025 Prox 24 TYC T HIP 90748
CCDM A RAdeg 277.74354750 DEdeg 1.39188389 EpRA 1990 1.82
EpDE 1990 1.69 E RAdeg 14.6 E DEdeg 15.2 Posflg D
Corr 0.0
SAO
SAO 123590 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 -0.013 Vmag 7.8 SpType B8
Double code Source 70 CatNum 25277 DM BD+01 3698
DMcomp BDsup HD 170739 M HD 0
GC 25277 RA1950rad 4.83647255 DE1950rad 0.02365994 PmRA2000 0.0003
PmDE2000 -0.013
Hipparcos
Catalog H HIP 90748 Proxy H RAhms 18 30 58.45
DEdms +01 23 30.8 Vmag 8.41 VarFlag R Vmag H
RAdeg 277.744 DEdeg 1.39189 AstroRef A Plx 1.16
CCDM 18310+0123 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 148 Rho 2.408 HD 170739 BD BD+01 3698
CD CP Dm number +01 3698 VIred 0.98
SpType B8 R SpType Coord arcsec 2000 183058.45+012330.8
Hipparcos 2
HIP 90748 Sn 15 So 3 Nc 2
RArad 4.847539267 DErad 0.024292982 Plx -0.38 PmRA 6.42
PmDE -7.07 E RArad 2.21 E DErad 1.94 E Plx 2.13
E pmRA 2.54 E pmDE 2.56 Hpmag 8.4986 E Hpmag 0.0034
SHp 0.015 VA 0 BV 0.413 E BV 0.027
VI 0.48
CCDM
Ccdm 18310+0123 RComp Comp A Note1
Note2 Discov num DRAs -1.53 DDEs 30.5
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.4 Sp B8 PmNote *
PmRA -4 PmDE 3 Dm number +01 3698 Cat1 BD
Name2 +01 2139 Cat2 AGK2/3 HD 170739 M HD
ADS BDS A11410 M ADS BDS N IDS IDS 18259N0119A
HIC 90748
 
 
18310+0123 B
 
 
Coord arcsec 2000 183058.53+012328.8 Mag 9.37 Calc delta mag 0.33 Calc coord yes
CCDM
Ccdm 18310+0123 RComp Comp B Note1
Note2 Discov num STF2324 DRAs DDEs
R dRAs Year 1829 Theta 146 Rho 2.4
Obs 16 Vmag 8.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11410 M ADS BDS N IDS IDS 18259N0119B
HIC 90748
 
 
18310+0123 C
 
 
Coord arcsec 2000 183056.34+012311.0 Mag 12.6 Calc delta mag 3.56 Calc coord yes
CCDM
Ccdm 18310+0123 RComp Comp C Note1
Note2 Discov num FOX DRAs DDEs
R dRAs Year 1923 Theta 238 Rho 33.0
Obs 1 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11410 M ADS BDS N IDS IDS 18259N0119C
HIC