19035-6845 FIN 357 (HD 175986)

 
 
19h 03m 29.68s -68° 45' 19.9" P.A. 149.00 sep 0.2 mag 6.58,6.96 Sp F8V dist. 56.31 pc (183.68 l.y.)
 
 
Coord 2000 19035-6845 Discov num FIN 357 Comp Coord arcsec 2000 19 03 29.68 -68 45 19.9
Date first 1959 Date last 2021 Obs 20
Pa first 16 Pa last 149.2 P.A. Now (θ) 116.6°
Sep first 0.1 Sep last 0.163 Sep. Now (ρ) 0.182"
Mag pri 6.58 Mag sec 6.96 delta mag (ΔM) 0.38 Spectral class F8V (yellow-white)
Pri motion ra -019 Sec motion ra
Pri motion dec -012 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 175986 Constellation Pavo SAO 254446 HIP 93574
Tycho2 9292-02325-1 Gaia DR2 6421518377211390208 HD 175986 HR 7161
GC 26117 CP CP-68 3180 Distance 56.31 Distance ly 183.68
 
 
ORBITAL ELEMENTS
 
 
Period (P)14.05y± 0.06 Periastron (T)2018.226y± 0.04 Semi-major axis (a)0.142a± 0.001
Eccentricity (e)0.385± 0.003 Inclination (i)163.5°± 0.5 Longitude of periastron (ω)193.9°± 1.5
Node (Ω)101.9°± 1.5 Notesn ReferenceDoc2018l
Equinox2000 Last observation2018 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 51.0 0.169
2001 32.8 0.149
2002 8.2 0.125
2003 331.8 0.101
2004 279.1 0.088
2005 220.8 0.093
2006 177.8 0.116
2007 150.2 0.143
2008 131.0 0.166
2009 115.9 0.182
2010 103.0 0.193
2011 90.9 0.196
2012 79.0 0.194
2013 66.2 0.185
2014 51.8 0.170
2015 33.9 0.150
2016 9.7 0.126
2017 334.0 0.102
2018 282.0 0.088
2019 223.5 0.092
2020 179.5 0.115
2021 151.3 0.141
2022 131.8 0.165
2023 116.6 0.182
2024 103.6 0.192
2025 91.5 0.196
2026 79.6 0.194
2027 66.9 0.185
2028 52.5 0.171
2029 34.9 0.151
2030 11.1 0.127


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



 
 


wds19035-6845e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 19035-6845 FIN 357 (HD 175986) : NOTES
 
 
discov_num notes refcode
FIN 357 Martin et al. (1998) derive component masses 1.892 +/- 0.265 and
1.647 +/- 0.246 Msun. Mig1998
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 3.21 +/- 0.54, 2.98, and 1.10 Msun, respectively. Mlk2012
Docobo & Andrade (2013) derive a dynamical parallax of 18.51 +/- 0.46
mas and component masses 1.49 +/- 0.15 and 1.38 +/- 0.14 Msun
(for spectral type F8V) or 19.69 +/- 0.52 mas, 1.25 +/- 0.13 and 1.14
+/- 0.12 Msun (for G0IV). See paper for extensive notes on system. Doc2013d
 
 
REFERENCES
 
 
refcode metd author reference
Doc2013d orb - Docobo, J.A. & Andrade, M. 2013MNRAS.428..321D
Doc2013d MNRAS 428, 321, 2013
Doc2018l orb - Docobo, J.A., Gomez, J., Campo, P., Andrade, M., Horch, E.P., Costa, E. & 2018MNRAS.482.4096D
Doc2018l Mendez, R.A.
Mig1998 orb - Martin, Ch., Mignard, F., Hartkopf, W.I., & McAlister, H.A. 1998A&AS..133..149M
Mig1998 A&AS 133, 149, 1998
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 FIN Finsen, W.S.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19035-6845 FIN 357 1991 13 172 0.1 6.58 6.96 F8V NO 190329.68-684519.9
19035-6845 FIN 357 2008 14 126 0.2 6.58 6.96 F8V NO 190329.68-684519.9
19035-6845 FIN 357 2015 15 26 0.1 6.58 6.96 F8V NO 190329.68-684519.9
19035-6845 FIN 357 2017 16 315 0.1 6.58 6.96 F8V NO 190329.68-684519.9
19035-6845 FIN 357 2018 18 232 0.1 6.58 6.96 F8V NO 190329.68-684519.9
19035-6845 FIN 357 2019 19 203 0.1 6.58 6.96 F8V NO 190329.68-684519.9
19035-6845 FIN 357 2021 20 149 0.2 6.58 6.96 F8V NO 190329.68-684519.9

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

 
 
WDS 19035-6845 FIN 357 (HD 175986) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19035-6845 FIN 357 (HD 175986) : MEASURES
 
 
No records found.

 
 
WDS 19035-6845 (HD 175986) : VIRTUAL EYEPIECE
 
 

19035-6845 FIN 357A mag 6.58 Sp F8V 19035-6845 FIN 357B sep 0.1 P.A. 167.80 mag 6.96 virtual eyepiece
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Radius:
Components only
 
 
WDS 19035-6845 (HD 175986) : ALADIN DSS IMAGE @ 19h 03m 29.68s -68° 45' 19.9"
 
 
 
 
WDS 19035-6845 FIN 357 (HD 175986) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


19035-6845  FIN 357 distance=0' 19081-6822  LDS 664 distance=29' 19099-6825  SHY 314 distance=41' 19100-6823  BRT2013 distance=43' 19076-6925  DON 941 distance=45' 19076-6928  TDT1240 distance=48' 19126-6849  TDT1294 distance=50' 19116-6919  TDT1289 distance=56' 19136-6829  TDT1306 distance=58' 18558-6806  KPP1437 distance=58' 18522-6910  MLO  83 distance=66' 19014-6951  UC 3765 distance=67' 19139-6803  NSN 444 distance=72' 19152-6758  LDS 669 distance=81' 18593-6729  TDT1171 distance=81' 19084-7004  B  2467 distance=83' 18483-6856  JAO   8 distance=83' 18591-6717  TDT1165 distance=92' 18524-6957  TDT1098 distance=93' 19101-7012  TDT1271 distance=94' 19193-6925  KPP1968 distance=94' 18474-6931  UC 3671 distance=98' 18518-7005  TDT1093 distance=101' 18495-6954  TDT1074 distance=102' 19069-6706  R   318 distance=102' 19216-6925  BRT2014AB distance=105' 19216-6925  BAU9003AC distance=105' 18551-6709  UC 3721 distance=108' 18464-6946  TDT1048 distance=110' 19197-6741  MLO  84 distance=111' 19071-6650  RSS 510 distance=118' 18446-6947  TDT1025 distance=118' 19225-6949  BRT2015 distance=119' 19162-6710  LDS 670 distance=120' 19185-6717  TDT1365 distance=122' 19045-6643  DAM 802 distance=123' 19144-6659  UC 3860 distance=123' 19129-7039  TDT1299 distance=124' 19142-7037  B  2874 distance=125' 19186-7023  LDS 671 distance=126' 18442-6728  UC 3658 distance=133' 19103-6636  SKF 390 distance=136' 19002-7104  TDS 957 distance=140' 19203-7036  UC 3891 distance=141' 19221-7029  HDS2742 distance=142' 19017-6623  TDT1189 distance=143' 19172-6640  GLE   3 distance=148' 19166-7103  TDT1343 distance=154' 18596-6609  TVB 306 distance=158' 18493-7111  TDT1071 distance=164' 19000-7132  HDS2694AB distance=168' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 19035-6845 FIN 357 149 0.2
Show 19081-6822 LDS 664 49 91.2 29
Show 19099-6825 SHY 314 1 449.2 41
Show 19100-6823 BRT2013 111 5.1 43
Show 19076-6925 DON 941 104 0.9 45
Show 19076-6928 TDT1240 135 0.4 48
Show 19126-6849 TDT1294 83 3.7 50
Show 19116-6919 TDT1289 240 0.5 56
Show 19136-6829 TDT1306 245 0.5 58
Show 18558-6806 KPP1437 122 10.8 58
Show 18522-6910 MLO 83 238 2.4 66
Show 19014-6951 UC 3765 254 37.9 67
Show 19139-6803 NSN 444 265 1.9 72
Show 19152-6758 LDS 669 226 105.1 81
Show 18593-6729 TDT1171 343 0.6 81
Show 19084-7004 B 2467 129 1.9 83
Show 18483-6856 JAO 8 266 0.8 83
Show 18591-6717 TDT1165 123 0.5 92
Show 18524-6957 TDT1098 198 0.6 93
Show 19101-7012 TDT1271 42 0.4 94
Show 19193-6925 KPP1968 327 15.6 94
Show 18474-6931 UC 3671 205 6.4 98
Show 18518-7005 TDT1093 10 0.4 101
Show 18495-6954 TDT1074 342 1.5 102
Show 19069-6706 R 318 110 17.3 102
Show 19216-6925 BRT2014 AB 240 4.3 105
Show 19216-6925 BAU9003 AC 176 48.7 105
Show 18551-6709 UC 3721 346 45.1 108
Show 18464-6946 TDT1048 128 2.6 110
Show 19197-6741 MLO 84 94 5.7 111
Show 19071-6650 RSS 510 17.9 118
Show 18446-6947 TDT1025 230 0.5 118
Show 19225-6949 BRT2015 15 4.4 119
Show 19162-6710 LDS 670 321 15.0 120
Show 19185-6717 TDT1365 5 0.6 122
Show 19045-6643 DAM 802 236 12.7 123
Show 19144-6659 UC 3860 64 66.6 123
Show 19129-7039 TDT1299 211 2.2 124
Show 19142-7037 B 2874 198 9.7 125
Show 19186-7023 LDS 671 294 81.3 126
Show 18442-6728 UC 3658 330 37.8 133
Show 19103-6636 SKF 390 128 16.5 136
Show 19002-7104 TDS 957 196 1.5 140
Show 19203-7036 UC 3891 190 17.7 141
Show 19221-7029 HDS2742 219 16.0 142
Show 19017-6623 TDT1189 109 2.1 143
Show 19172-6640 GLE 3 355 0.5 148
Show 19166-7103 TDT1343 204 0.6 154
Show 18596-6609 TVB 306 311 16.8 158
Show 18493-7111 TDT1071 263 0.6 164
Show 19000-7132 HDS2694 AB 239 0.8 168

 
 
WDS 19035-6845 : COMPONENTS
 
 
  A
B pa=167.8°
sep=0.14"
 
 
19035-6845 A
 
 
Componente originario normalizzato AB Name HD 175986 Coord arcsec 2000 190329.68-684519.9 Mag 6.58
Spectral class F8V (yellow-white) PmRA -19.00 PmDE -12.0 SAO 254446
HIP 93574 Tycho2 9292-02325-1 HD 175986 HR 7161
GC 26117 CP CP-68 3180
Tycho2
Tycho2 9292-02325-1 Pflag RAmdeg 285.87356723 DEmdeg -68.75554728
PmRA -16.6 PmDE -7.2 E RAmdeg 4 E DEmdeg 3
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.52 EpDEm 1991.64
Num 14 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 0.9 BTmag 6.541 E BTmag 0.014 VTmag 5.926
E VTmag 0.009 Prox 999 TYC T HIP 93574
CCDM AB RAdeg 285.87367083 DEdeg -68.75553083 EpRA 1990 1.81
EpDE 1990 1.80 E RAdeg 3.5 E DEdeg 3.3 Posflg P
Corr 0.1
SAO
SAO 254446 DelFlag RA1950 PmRA1950 -0.0009
DE1950 PmDE1950 -0.002 Vmag 5.9 SpType G0
Double code Source 70 CatNum 26117 DM CP-68 3180
DMcomp BDsup HD 175986 M HD 0
GC 26117 RA1950rad 4.96618067 DE1950rad -1.20127995 PmRA2000 -0.0027
PmDE2000 -0.003
Hipparcos
Catalog H HIP 93574 Proxy H RAhms 19 03 29.68
DEdms -68 45 19.9 Vmag 5.89 VarFlag R Vmag H
RAdeg 285.874 DEdeg -68.7555 AstroRef * Plx 17.65
CCDM 19035-6845 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 172 Rho 0.117 HD 175986 BD
CD CP CP-68 3180 Dm number -68 3180 VIred 0.57
SpType F8V R SpType Coord arcsec 2000 190329.68-684519.9
Hipparcos 2
HIP 93574 Sn 55 So 3 Nc 2
RArad 4.9894369365 DErad -1.200010429 Plx 17.76 PmRA -20.65
PmDE -4.94 E RArad 0.3 E DErad 0.39 E Plx 0.58
E pmRA 0.28 E pmDE 0.44 Hpmag 5.9972 E Hpmag 0.0006
SHp 0.008 VA 0 BV 0.553 E BV 0.004
VI 0.57
CCDM
Ccdm 19035-6845 RComp Comp A Note1
Note2 Discov num DRAs -0.31 DDEs -18.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.7 Sp G0 PmNote *
PmRA -8 PmDE -2 Dm number -68 3180 Cat1 CPD
Name2 254446 Cat2 SAO HD 175986 M HD
ADS BDS M ADS BDS N IDS IDS 18528S6854A
HIC 93574
 
 
19035-6845 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 190329.69-684520.0 Mag 6.96 Calc delta mag 0.38
Calc coord yes
CCDM
Ccdm 19035-6845 RComp Comp B Note1 *
Note2 Discov num FIN 357 DRAs DDEs
R dRAs Year 1959 Theta 016 Rho 0.1
Obs 1 Vmag 6.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18528S6854B
HIC 93574