15261+1810 STF 1940 (HD 137557)

 
 
15h 26m 08.92s +18° 10' 16.2" P.A. 331.00 sep 0.3 mag 8.46,8.88 Sp F8 dist. 263.85 pc (860.68 l.y.)
 
 
Coord 2000 15261+1810 Discov num STF1940 Comp Coord arcsec 2000 15 26 08.92 +18 10 16.2
Date first 1830 Date last 2018 Obs 73
Pa first 326 Pa last 330.8 P.A. Now (θ) 330.8°
Sep first 1.5 Sep last 0.344 Sep. Now (ρ) 0.344"
Mag pri 8.46 Mag sec 8.88 delta mag (ΔM) 0.42 Spectral class F8 (yellow-white)
Pri motion ra +014 Sec motion ra +014
Pri motion dec -008 Sec motion dec -008
Notes L (Linear solution)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 137557 Constellation Serpens SAO 101554 HIP 75560
Tycho2 1490-00175-1 Gaia DR2 1208848889403382144 HD 137557 GC 20752
BD BD+18 3019 Distance 263.85 Distance ly 860.68
 
 
WDS 15261+1810 STF 1940 (HD 137557) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
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
15261+1810 STF1940 2005 63 329 0.5 8.46 8.88 F8 LD 152608.92+181016.2
15261+1810 STF1940 2010 65 330 0.4 8.46 8.88 F8 LD 152608.92+181016.2
15261+1810 STF1940 2011 66 330 0.4 8.46 8.88 F8 LD 152608.92+181016.2
15261+1810 STF1940 2018 71 332 0.3 8.46 8.88 F8 L 152608.92+181016.2

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

 
 
WDS 15261+1810 STF 1940 (HD 137557) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15261+1810 STF 1940 (HD 137557) : MEASURES
 
 
No records found.

 
 
WDS 15261+1810 (HD 137557) : VIRTUAL EYEPIECE
 
 

15261+1810 STF1940A mag 8.46 Sp F8 15261+1810 STF1940B sep 0.3 P.A. 332.00 mag 8.88 virtual eyepiece
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Radius:
Components only
 
 
WDS 15261+1810 (HD 137557) : ALADIN DSS IMAGE @ 15h 26m 08.92s +18° 10' 16.2"
 
 
 
 
WDS 15261+1810 STF 1940 (HD 137557) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


15261+1810  STF1940 distance=0' 15266+1805  UC 3005 distance=9' 15272+1804  A  2073 distance=16' 15249+1749  GRV1210 distance=28' 15273+1738  A  2074 distance=37' 15263+1716  CVR1630 distance=55' 15294+1734  CBL 490 distance=59' 15239+1905  LAS  34 distance=64' 15294+1722  BPM 630 distance=67' 15232+1701  TDS9503 distance=82' 15310+1725  NSN 666 distance=83' 15210+1721  BPM 627AB distance=89' 15210+1721  BPM 628AC distance=89' 15314+1900  JNN 104 distance=91' 15246+1946  UC  208 distance=99' 15326+1733  LEP 147 distance=99' 15315+1914  GRV 908 distance=101' 15206+1707  UC  205 distance=102' 15275+1952  KPP1056 distance=104' 15242+1952  SKF2724 distance=106' 15326+1903  SLW1104 distance=106' 15189+1732  GWP2511 distance=111' 15211+1640  A  2229 distance=117' 15189+1904  UC 2982 distance=117' 15219+1630  HO  264AB distance=118' 15219+1630  HO  264AC distance=118' 15183+1851  TOK 167 distance=120' 15250+1611  GWP2524 distance=121' 15232+1614  NSN 789 distance=125' 15227+1616  GWP2518 distance=125' 15309+1621  BPM 631 distance=129' 15186+1922  SLW1078 distance=130' 15328+1945  HU  577 distance=134' 15354+1743  LDS 977 distance=135' 15319+1623  A  2075AB distance=135' 15284+1559  SKF2725 distance=136' 15176+1703  SLW1077 distance=140' 15161+1823  DVG  43 distance=144' 15170+1911  GRV 900 distance=144' 15195+1621  TDS9485 distance=145' 15255+1546  HEI 381 distance=146' 15358+1720  BRT2421 distance=147' 15205+2013  UC  204 distance=147' 15210+2022  HJ 2775 distance=151' 15288+2038  HU  150 distance=153' 15368+1820  LDS4571 distance=154' 15163+1706  COU2509 distance=154' 15163+1918  GWP2508 distance=156' 15158+1858  KPP3949 distance=156' 15227+2038  KPP4385BC distance=156' 15227+2038  KPP4385AC distance=156' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 15261+1810 STF1940 331 0.3
Show 15266+1805 UC 3005 138 12.5 9
Show 15272+1804 A 2073 126 0.1 16
Show 15249+1749 GRV1210 227 11.1 28
Show 15273+1738 A 2074 267 0.3 37
Show 15263+1716 CVR1630 185 4.9 55
Show 15294+1734 CBL 490 72 48.8 59
Show 15239+1905 LAS 34 325 3.6 64
Show 15294+1722 BPM 630 14 100.5 67
Show 15232+1701 TDS9503 129 0.7 82
Show 15310+1725 NSN 666 303 2.4 83
Show 15210+1721 BPM 627 AB 314 74.9 89
Show 15210+1721 BPM 628 AC 291 93.5 89
Show 15314+1900 JNN 104 283 0.5 91
Show 15246+1946 UC 208 220 39.6 99
Show 15326+1733 LEP 147 29 4.4 99
Show 15315+1914 GRV 908 52 70.6 101
Show 15206+1707 UC 205 167 48.8 102
Show 15275+1952 KPP1056 49 8.4 104
Show 15242+1952 SKF2724 299 1.2 106
Show 15326+1903 SLW1104 278 27.9 106
Show 15189+1732 GWP2511 137 88.7 111
Show 15211+1640 A 2229 224 1.5 117
Show 15189+1904 UC 2982 354 11.7 117
Show 15219+1630 HO 264 AB 298 1.2 118
Show 15219+1630 HO 264 AC 47 49.4 118
Show 15183+1851 TOK 167 108 18.2 120
Show 15250+1611 GWP2524 301 35.8 121
Show 15232+1614 NSN 789 44 17.2 125
Show 15227+1616 GWP2518 218 18.4 125
Show 15309+1621 BPM 631 321 111.8 129
Show 15186+1922 SLW1078 127 12.0 130
Show 15328+1945 HU 577 25 0.3 134
Show 15354+1743 LDS 977 351 17.6 135
Show 15319+1623 A 2075 AB 95 0.5 135
Show 15284+1559 SKF2725 208 1.5 136
Show 15176+1703 SLW1077 358 22.0 140
Show 15161+1823 DVG 43 262 16.5 144
Show 15170+1911 GRV 900 78 26.3 144
Show 15195+1621 TDS9485 240 0.8 145
Show 15255+1546 HEI 381 181 0.3 146
Show 15358+1720 BRT2421 52 4.0 147
Show 15205+2013 UC 204 259 27.3 147
Show 15210+2022 HJ 2775 84 9.2 151
Show 15288+2038 HU 150 26 4.5 153
Show 15368+1820 LDS4571 102 34.6 154
Show 15163+1706 COU2509 70 0.7 154
Show 15163+1918 GWP2508 31 28.4 156
Show 15158+1858 KPP3949 182 1.9 156
Show 15227+2038 KPP4385 BC 148 20.3 156
Show 15227+2038 KPP4385 AC 147 22.3 156

 
 
WDS 15261+1810 : COMPONENTS
 
 
  A
B pa=332.0°
sep=0.34"
 
 
15261+1810 A
 
 
Componente originario normalizzato AB Name HD 137557 Coord arcsec 2000 152608.92+181016.2 Mag 8.46
Spectral class F8 (yellow-white) PmRA 14.00 PmDE -8.0 SAO 101554
HIP 75560 Tycho2 1490-00175-1 HD 137557 GC 20752
BD BD+18 3019
Tycho2
Tycho2 1490-00175-1 Pflag RAmdeg 231.53713227 DEmdeg 18.17123115
PmRA 14.1 PmDE -7.8 E RAmdeg 6 E DEmdeg 6
E pmRA 1.2 E pmDE 1.1 EpRAm 1991.27 EpDEm 1991.16
Num 12 Q RAmdeg 1.0 Q DEmdeg 1.2 Q pmRA 1.0
Q pmDE 1.3 BTmag 8.599 E BTmag 0.017 VTmag 7.988
E VTmag 0.012 Prox 999 TYC T HIP 75560
CCDM AB RAdeg 231.53709778 DEdeg 18.17124944 EpRA 1990 1.71
EpDE 1990 1.68 E RAdeg 5.6 E DEdeg 5.8 Posflg P
Corr 0.1
SAO
SAO 101554 DelFlag RA1950 PmRA1950 0.0012
DE1950 PmDE1950 -0.025 Vmag 7.8 SpType F8
Double code Source 70 CatNum 20752 DM BD+18 3019
DMcomp BDsup HD 137557 M HD 0
GC 20752 RA1950rad 4.03115022 DE1950rad 0.32018638 PmRA2000 0.0012
PmDE2000 -0.021
Hipparcos
Catalog H HIP 75560 Proxy H RAhms 15 26 08.91
DEdms +18 10 16.3 Vmag 7.87 VarFlag R Vmag G
RAdeg 231.537 DEdeg 18.1712 AstroRef A Plx 6.33
CCDM 15261+1810 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 327 Rho 0.555 HD 137557 BD BD+18 3019
CD CP Dm number +18 3019 VIred 0.68
SpType F8 R SpType Coord arcsec 2000 152608.91+181016.3
Hipparcos 2
HIP 75560 Sn 15 So 3 Nc 2
RArad 4.0410853494 DErad 0.3171472092 Plx 3.79 PmRA 11.3
PmDE -4.84 E RArad 1.21 E DErad 1.69 E Plx 1.4
E pmRA 1.35 E pmDE 1.95 Hpmag 7.9867 E Hpmag 0.0017
SHp 0.016 VA 0 BV 0.606 E BV 0.015
VI 0.68
CCDM
Ccdm 15261+1810 RComp Comp A Note1
Note2 Discov num DRAs 2.90 DDEs 15.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.3 Sp F8 PmNote *
PmRA 10 PmDE -24 Dm number +18 3019 Cat1 BD
Name2 +18 1394 Cat2 AGK2/3 HD 137557 M HD
ADS BDS A 9634 M ADS BDS N IDS IDS 15216N1831A
HIC 75560
 
 
15261+1810 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 152608.91+181016.5 Mag 8.88 PmRA 14.00
PmDE -8.0 Calc delta mag 0.42 Calc coord yes
CCDM
Ccdm 15261+1810 RComp Comp B Note1
Note2 Discov num STF1940 DRAs DDEs
R dRAs Year 1830 Theta 324 Rho 1.0
Obs 23 Vmag 8.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 9634 M ADS BDS N IDS IDS 15216N1831B
HIC 75560