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Doubles in session


Current system
15328+1945
HU 577
HD 138641


Nearby doubles
35' : 15315+1914
GRV 908

42' : 15326+1903
SLW1104

49' : 15314+1900
JNN 104

60' : 15350+2035
CBL 491

71' : 15378+1939
GWP2538

75' : 15340+2057
LDS 976

76' : 15275+1952
KPP1056

78' : 15288+2038
HU 150

85' : 15388+1934
CVR 798

89' : 15315+2113
BRT2420

101' : 15384+2048
SLW1121

103' : 15368+1820
LDS4571

110' : 15376+2110
HU 578

110' : 15359+2125
KPP3293

111' : 15318+2135
COU 191AB

116' : 15382+2111
KPP3962

116' : 15246+1946
UC 208

122' : 15242+1952
SKF2724

124' : 15416+1940
HU 580AB

126' : 15267+2116
LDS4551

127' : 15405+1840
A 2076

128' : 15354+1743
LDS 977

129' : 15272+1804
A 2073

132' : 15326+1733
LEP 147

132' : 15239+1905
LAS 34

133' : 15266+1805
UC 3005



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.

15328+1945 HU 577 (HD 138641)

 
 
15h 32m 48.18s +19° 44' 36.1" P.A. 25.00 sep 0.3 mag 8.91,8.94 Sp F5 dist. 88.03 pc (287.15 l.y.)
 
 
Coord 2000 15328+1945 Discov num HU  577 Comp Coord arcsec 2000 15 32 48.18 +19 44 36.1
Date first 1902 Date last 2016 Obs 82
Pa first 24 Pa last 25.1 P.A. Now (θ) 30.9°
Sep first 0.3 Sep last 0.347 Sep. Now (ρ) 0.345"
Mag pri 8.91 Mag sec 8.94 delta mag (ΔM) 0.03 Spectral class F5 (yellow-white)
Pri motion ra -029 Sec motion ra
Pri motion dec +004 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 138641 Constellation Serpens SAO 101607 HIP 76118
Tycho2 1497-00843-1 HD 138641 ADS 9692 BD BD+20 3118
Distance 88.03 Distance ly 287.15
 
 
ORBITAL ELEMENTS
 
 
Period (P)108.2y Periastron (T)1944.45y Semi-major axis (a)0.294a
Eccentricity (e)0.392 Inclination (i)61.9° Longitude of periastron (ω)127.1°
Node (Ω)35.6° Notesn ReferenceSca2020d
Equinox2000 Last observation2020 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 5.8 0.299
2001 7.1 0.305
2002 8.4 0.310
2003 9.7 0.315
2004 11.0 0.320
2005 12.2 0.325
2006 13.3 0.329
2007 14.5 0.333
2008 15.6 0.337
2009 16.7 0.340
2010 17.7 0.343
2011 18.8 0.346
2012 19.8 0.348
2013 20.8 0.350
2014 21.8 0.352
2015 22.8 0.353
2016 23.8 0.354
2017 24.8 0.354
2018 25.8 0.354
2019 26.8 0.353
2020 27.8 0.352
2021 28.8 0.350
2022 29.9 0.348
2023 30.9 0.345
2024 32.0 0.341
2025 33.0 0.337
2026 34.2 0.333
2027 35.3 0.327
2028 36.5 0.321
2029 37.7 0.315
2030 39.0 0.307


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds15328%2B1945b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 15328+1945 HU 577 (HD 138641) : NOTES
 
 
discov_num notes refcode
HU 577 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 1.25 +/- 0.49, 2.40, and 1.20 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Sca2020d orb - Scardia, M., Prieur, J.-L., Pansecchi, L., Ling, J.F., Argyle, R.W., Aristidi, E., 2020IAUDS.201....1A
Sca2020d Zanutta, A., Maccarini, Abe, Bendjoya, Rivet, Suarez, & Vernet
Sca2020d Inf. Circ. 201, 1, 2020
 
 
DISCOVERER
 
 
idgroup discov author
1 HU Hussey, W.F.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15328+1945 HU 577 2006 79 14 0.3 8.91 8.94 F5 NO 153248.18+194436.1
15328+1945 HU 577 2007 81 16 0.3 8.91 8.94 F5 NO 153248.18+194436.1
15328+1945 HU 577 2008 82 16 0.3 8.91 8.94 F5 NO 153248.18+194436.1
15328+1945 HU 577 2016 81 25 0.3 8.91 8.94 F5 NO 153248.18+194436.1

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

 
 
WDS 15328+1945 HU 577 (HD 138641) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15328+1945 HU 577 (HD 138641) : MEASURES
 
 
No records found.

 
 
WDS 15328+1945 (HD 138641) : VIRTUAL EYEPIECE
 
 

15328+1945 HU 577A mag 8.91 Sp F5 15328+1945 HU 577B sep 0.3 P.A. 23.80 mag 8.94 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 15328+1945 (HD 138641) : ALADIN DSS IMAGE @ 15h 32m 48.18s +19° 44' 36.1"
 
 
 
 
WDS 15328+1945 HU 577 (HD 138641) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15328+1945 HU 577 distance=1' 15315+1914 GRV 908 distance=35' 15326+1903 SLW1104 distance=42' 15314+1900 JNN 104 distance=49' 15350+2035 CBL 491 distance=60' 15378+1939 GWP2538 distance=71' 15340+2057 LDS 976 distance=75' 15275+1952 KPP1056 distance=76' 15288+2038 HU 150 distance=78' 15388+1934 CVR 798 distance=85' 15315+2113 BRT2420 distance=89' 15384+2048 SLW1121 distance=101' 15368+1820 LDS4571 distance=103' 15376+2110 HU 578 distance=110' 15359+2125 KPP3293 distance=110' 15318+2135 COU 191AB distance=111' 15318+2135 COU 191AC distance=111' 15382+2111 KPP3962 distance=116' 15246+1946 UC 208 distance=116' 15242+1952 SKF2724 distance=122' 15416+1940 HU 580AB distance=124' 15416+1940 BU 1451AB,C distance=124' 15416+1940 BU 1451AB,D distance=124' 15267+2116 LDS4551 distance=126' 15405+1840 A 2076 distance=127' 15354+1743 LDS 977 distance=128' 15272+1804 A 2073 distance=129' 15326+1733 LEP 147 distance=132' 15239+1905 LAS 34 distance=132' 15266+1805 UC 3005 distance=133' 15261+1810 STF1940 distance=134' 15398+2117 AG 197 distance=135' 15294+1734 CBL 490 distance=139' 15372+1740 SLW1114 distance=140' 15261+2128 STF1942 distance=140' 15410+2105 GRV 910 distance=141' 15310+1725 NSN 666 distance=143' 15252+2119 TDS9512 distance=143' 15404+2123 HU 579 distance=145' 15424+1852 GWP2546 distance=146' 15291+2200 SLW1098 distance=146' 15433+1954 HJ 2790 distance=148' 15428+1859 GWP2547 distance=149' 15273+1738 A 2074 distance=149' 15374+1731 BPM 633 distance=149' 15419+1828 DRS 17AB distance=151' 15419+1828 TOK 302AC distance=151' 15358+1720 BRT2421 distance=151' 15294+1722 BPM 630 distance=151' 15227+2038 KPP4385BC distance=152' 15227+2038 KPP4385AC distance=152' 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 15328+1945 HU 577 25 0.3 1
Show 15315+1914 GRV 908 52 70.6 35
Show 15326+1903 SLW1104 278 27.9 42
Show 15314+1900 JNN 104 283 0.5 49
Show 15350+2035 CBL 491 110 7.4 60
Show 15378+1939 GWP2538 350 74.1 71
Show 15340+2057 LDS 976 185 52.8 75
Show 15275+1952 KPP1056 49 8.4 76
Show 15288+2038 HU 150 26 4.5 78
Show 15388+1934 CVR 798 154 10.3 85
Show 15315+2113 BRT2420 311 11.8 89
Show 15384+2048 SLW1121 144 46.7 101
Show 15368+1820 LDS4571 102 34.6 103
Show 15376+2110 HU 578 136 1.2 110
Show 15359+2125 KPP3293 244 37.3 110
Show 15318+2135 COU 191 AB 20 5.4 111
Show 15318+2135 COU 191 AC 85 11.0 111
Show 15382+2111 KPP3962 32 14.6 116
Show 15246+1946 UC 208 220 39.6 116
Show 15242+1952 SKF2724 299 1.2 122
Show 15416+1940 HU 580 AB 249 0.2 124
Show 15416+1940 BU 1451 AB,C 353 144.9 124
Show 15416+1940 BU 1451 AB,D 109 152.8 124
Show 15267+2116 LDS4551 157 40.6 126
Show 15405+1840 A 2076 187 0.8 127
Show 15354+1743 LDS 977 351 17.6 128
Show 15272+1804 A 2073 126 0.1 129
Show 15326+1733 LEP 147 29 4.4 132
Show 15239+1905 LAS 34 325 3.6 132
Show 15266+1805 UC 3005 138 12.5 133
Show 15261+1810 STF1940 331 0.3 134
Show 15398+2117 AG 197 126 3.1 135
Show 15294+1734 CBL 490 72 48.8 139
Show 15372+1740 SLW1114 200 10.5 140
Show 15261+2128 STF1942 91 9.7 140
Show 15410+2105 GRV 910 250 7.5 141
Show 15310+1725 NSN 666 303 2.4 143
Show 15252+2119 TDS9512 42 0.7 143
Show 15404+2123 HU 579 136 0.7 145
Show 15424+1852 GWP2546 232 899.3 146
Show 15291+2200 SLW1098 23 29.8 146
Show 15433+1954 HJ 2790 163 11.7 148
Show 15428+1859 GWP2547 235 83.7 149
Show 15273+1738 A 2074 267 0.3 149
Show 15374+1731 BPM 633 248 118.5 149
Show 15419+1828 DRS 17 AB 86 2.4 151
Show 15419+1828 TOK 302 AC 274 249.2 151
Show 15358+1720 BRT2421 52 4.0 151
Show 15294+1722 BPM 630 14 100.5 151
Show 15227+2038 KPP4385 BC 148 20.3 152
Show 15227+2038 KPP4385 AC 147 22.3 152

 
 
WDS 15328+1945 : COMPONENTS
 
 
  A
B pa=23.8°
sep=0.34"
 
 
15328+1945 A
 
 
Componente originario normalizzato AB Name HD 138641 Coord arcsec 2000 153248.18+194436.1 Mag 8.91
Spectral class F5 (yellow-white) PmRA -29.00 PmDE 4.0 SAO 101607
HIP 76118 Tycho2 1497-00843-1 HD 138641 BD BD+20 3118
Tycho2
Tycho2 1497-00843-1 Pflag RAmdeg 233.20064965 DEmdeg 19.74336670
PmRA -36.3 PmDE 0.9 E RAmdeg 6 E DEmdeg 6
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.10 EpDEm 1990.96
Num 12 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 1.1 BTmag 8.673 E BTmag 0.017 VTmag 8.134
E VTmag 0.012 Prox 999 TYC T HIP 76118
CCDM AB RAdeg 233.20073833 DEdeg 19.74336472 EpRA 1990 1.71
EpDE 1990 1.59 E RAdeg 5.9 E DEdeg 6.3 Posflg P
Corr 0.2
SAO
SAO 101607 DelFlag RA1950 PmRA1950 -0.002
DE1950 PmDE1950 0 Vmag 8.1 SpType F5
Double code Source 35 CatNum 5347 DM BD+20 3118
DMcomp BDsup HD 138641 M HD 0
GC RA1950rad 4.06034595 DE1950rad 0.34751445 PmRA2000 -0.002
PmDE2000 0.003
Hipparcos
Catalog H HIP 76118 Proxy H RAhms 15 32 48.18
DEdms +19 44 36.1 Vmag 8.06 VarFlag R Vmag G
RAdeg 233.201 DEdeg 19.7434 AstroRef * Plx 9.2
CCDM 15328+1945 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 354 Rho 0.228 HD 138641 BD BD+20 3118
CD CP Dm number +20 3118 VIred 0.57
SpType F5 R SpType Coord arcsec 2000 153248.18+194436.1
Hipparcos 2
HIP 76118 Sn 55 So 3 Nc 2
RArad 4.0701207915 DErad 0.3445867382 Plx 11.36 PmRA -34.67
PmDE 2.99 E RArad 1.05 E DErad 0.76 E Plx 1.07
E pmRA 1.41 E pmDE 1 Hpmag 8.1736 E Hpmag 0.0013
SHp 0.015 VA 0 BV 0.5 E BV 0.023
VI 0.57
CCDM
Ccdm 15328+1945 RComp Comp A Note1
Note2 Discov num DRAs 0.18 DDEs -23.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.8 Sp F5 PmNote *
PmRA -33 PmDE 10 Dm number +20 3118 Cat1 BD
Name2 +19 1445 Cat2 AGK2/3 HD 138641 M HD
ADS BDS A 9692 M ADS BDS N IDS IDS 15283N2005A
HIC 76118
 
 
15328+1945 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 153248.19+194436.4 Mag 8.94 Calc delta mag 0.03
Calc coord yes
CCDM
Ccdm 15328+1945 RComp Comp B Note1 *
Note2 Discov num HU 577 DRAs DDEs
R dRAs Year 1902 Theta Rho
Obs 26 Vmag 8.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 9692 M ADS BDS N IDS IDS 15283N2005B
HIC 76118