18280+0612 CHR 71 (HD 170200)

 
 
18h 27m 58.77s +06° 11' 39.0" P.A. 16.00 sep 0.0 mag 6.50,6.60 Sp B8III-IV dist. 216.92 pc (707.59 l.y.)
 
 
Coord 2000 18280+0612 Discov num CHR  71 Comp Coord arcsec 2000 18 27 58.77 +06 11 39.0
Date first 1985 Date last 2021 Obs 29
Pa first 312 Pa last 15.6 P.A. Now (θ) 339.4°
Sep first 0.1 Sep last 0.05 Sep. Now (ρ) 0.062"
Mag pri 6.50 Mag sec 6.60 delta mag (ΔM) 0.1 Spectral class B8III-IV (blue-white)
Pri motion ra +004 Sec motion ra
Pri motion dec -017 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 170200 Constellation Serpens SAO 123516 HIP 90497
Tycho2 0445-02136-1 Gaia DR2 4477148783533394816 HD 170200 HR 6928
GC 25198 BD BD+06 3790 Distance 216.92 Distance ly 707.59
 
 
ORBITAL ELEMENTS
 
 
Period (P)19.827y Periastron (T)2018.705y Semi-major axis (a)0.069a
Eccentricity (e)0.224 Inclination (i)138.9° Longitude of periastron (ω)34.8°
Node (Ω)125.7° Notesn ReferenceDoc2019d
Equinox2000 Last observation2018 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 64.9 0.044
2001 31.3 0.044
2002 2.8 0.051
2003 342.3 0.061
2004 327.3 0.070
2005 315.4 0.076
2006 305.1 0.080
2007 295.6 0.082
2008 286.0 0.081
2009 275.9 0.077
2010 264.6 0.073
2011 251.6 0.067
2012 236.1 0.061
2013 217.8 0.057
2014 197.3 0.055
2015 176.2 0.055
2016 155.6 0.056
2017 135.7 0.056
2018 114.9 0.053
2019 90.2 0.048
2020 59.2 0.043
2021 25.8 0.045
2022 358.7 0.053
2023 339.4 0.062
2024 325.1 0.071
2025 313.6 0.077
2026 303.5 0.081
2027 293.9 0.082
2028 284.3 0.080
2029 274.0 0.077
2030 262.5 0.072


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



 
 


wds18280%2B0612b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 18280+0612 CHR 71 (HD 170200) : NOTES
 
 
discov_num notes refcode
CHR 71 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 10.53 +/- 3.67, 5.69, and 3.20 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Doc2019d orb - Docobo, J.A. & Campo, P. 2019IAUDS.198S...1C
Doc2019d Inf. Circ. 198, 1, 2019
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 CHR Center for High Ang. Res. Astronomy (speckle interferometry systems)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18280+0612 CHR 71 2007 18 290 0.1 5.73   B8III-IV NO 182758.77+061139.0
18280+0612 CHR 71 2009 20 274 0.1 5.73   B8III-IV NO 182758.77+061139.0
18280+0612 CHR 71 2015 22 164 0.1 6.50 6.60 B8III-IV NO 182758.77+061139.0
18280+0612 CHR 71 2017 25 128 0.1 6.50 6.60 B8III-IV NO 182758.77+061139.0
18280+0612 CHR 71 2018 27 99 0.0 6.50 6.60 B8III-IV NO 182758.77+061139.0
18280+0612 CHR 71 2019 28 76 0.0 6.50 6.60 B8III-IV NO 182758.77+061139.0
18280+0612 CHR 71 2021 29 16 0.0 6.50 6.60 B8III-IV NO 182758.77+061139.0

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

 
 
WDS 18280+0612 CHR 71 (HD 170200) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18280+0612 CHR 71 (HD 170200) : MEASURES
 
 
No records found.

 
 
WDS 18280+0612 (HD 170200) : VIRTUAL EYEPIECE
 
 

18280+0612 CHR  71A mag 6.5 Sp B8III 18280+0612 CHR  71B mag 6.6 Sp IV virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 18280+0612 (HD 170200) : ALADIN DSS IMAGE @ 18h 27m 58.77s +06° 11' 39.0"
 
 
 
 
WDS 18280+0612 CHR 71 (HD 170200) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18280+0612  CHR  71 distance=0' 18280+0618  TDS 923 distance=7' 18280+0620  TDT 895 distance=9' 18274+0624  GII  68 distance=15' 18277+0631  TDT 888 distance=20' 18272+0629  TDT 878 distance=21' 18269+0625  STT 350AB distance=22' 18269+0625  CAT   3AC distance=22' 18276+0633  BU  464AB distance=23' 18276+0633  BU  464AC distance=23' 18266+0627  GCB  31 distance=27' 18297+0616  GWP2779 distance=27' 18262+0602  TDT 865 distance=29' 18266+0633  HDS2607 distance=29' 18266+0632  SCJ  17 distance=30' 18283+0537  TDT 897 distance=35' 18279+0650  SLE 344 distance=39' 18259+0541  J  2130 distance=44' 18260+0648  J  2516 distance=46' 18254+0637  TDT 854 distance=47' 18250+0625  TDT 846 distance=47' 18262+0653  J  1830 distance=50' 18268+0659  SLE 342AB distance=51' 18268+0659  SLE 342AC distance=51' 18282+0705  TDS 924 distance=54' 18314+0628  STF2329 distance=55' 18314+0545  TDT 925 distance=58' 18252+0650  TDT 849 distance=58' 18310+0648  SLE 349AB distance=58' 18310+0648  SLE 349AC distance=58' 18281+0709  J    95AB distance=58' 18281+0709  J    95AC distance=58' 18281+0709  SLE 346AD distance=58' 18310+0648  SLE 349BC distance=58' 18253+0529  SLE 172 distance=59' 18289+0515  LDS5237 distance=59' 18289+0514  CLV   1 distance=60' 18266+0709  GWP2776 distance=61' 18241+0552  TDT 834 distance=62' 18254+0523  SLE 173 distance=62' 18299+0708  SLE 348 distance=64' 18318+0641  J  1372 distance=64' 18246+0653  SLE 341 distance=65' 18237+0624  TDT 830 distance=65' 18299+0711  SLE 347 distance=66' 18254+0707  TDT 853 distance=68' 18241+0535  SLE 169AB distance=68' 18241+0535  SLE 169AC distance=68' 18281+0720  SLE 345 distance=69' 18320+0647  STT 354 distance=70' 18295+0722  A   582 distance=74' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 18280+0612 CHR 71 16 0.0
Show 18280+0618 TDS 923 7 1.7 7
Show 18280+0620 TDT 895 226 1.8 9
Show 18274+0624 GII 68 27 2.3 15
Show 18277+0631 TDT 888 86 0.7 20
Show 18272+0629 TDT 878 126 2.6 21
Show 18269+0625 STT 350 AB 166 1.9 22
Show 18269+0625 CAT 3 AC 133 1.4 22
Show 18276+0633 BU 464 AB 105 1.1 23
Show 18276+0633 BU 464 AC 86 25.9 23
Show 18266+0627 GCB 31 75 4.5 27
Show 18297+0616 GWP2779 88 36.9 27
Show 18262+0602 TDT 865 1 2.1 29
Show 18266+0633 HDS2607 243 0.2 29
Show 18266+0632 SCJ 17 351 51.0 30
Show 18283+0537 TDT 897 169 0.5 35
Show 18279+0650 SLE 344 133 11.7 39
Show 18259+0541 J 2130 328 6.8 44
Show 18260+0648 J 2516 159 1.7 46
Show 18254+0637 TDT 854 17 2.8 47
Show 18250+0625 TDT 846 297 0.6 47
Show 18262+0653 J 1830 270 7.4 50
Show 18268+0659 SLE 342 AB 293 12.6 51
Show 18268+0659 SLE 342 AC 319 26.0 51
Show 18282+0705 TDS 924 163 2.3 54
Show 18314+0628 STF2329 42 4.3 55
Show 18314+0545 TDT 925 241 0.6 58
Show 18252+0650 TDT 849 331 1.6 58
Show 18310+0648 SLE 349 AB 355 20.8 58
Show 18310+0648 SLE 349 AC 12 20.2 58
Show 18281+0709 J 95 AB 123 2.2 58
Show 18281+0709 J 95 AC 32 32.0 58
Show 18281+0709 SLE 346 AD 185 70.8 58
Show 18310+0648 SLE 349 BC 103 6.5 58
Show 18253+0529 SLE 172 256 4.9 59
Show 18289+0515 LDS5237 329 6.0 59
Show 18289+0514 CLV 1 355 40.8 60
Show 18266+0709 GWP2776 287 20.0 61
Show 18241+0552 TDT 834 16 1.6 62
Show 18254+0523 SLE 173 133 19.0 62
Show 18299+0708 SLE 348 185 15.1 64
Show 18318+0641 J 1372 118 5.2 64
Show 18246+0653 SLE 341 98 23.7 65
Show 18237+0624 TDT 830 276 0.7 65
Show 18299+0711 SLE 347 191 15.7 66
Show 18254+0707 TDT 853 70 0.4 68
Show 18241+0535 SLE 169 AB 343 12.0 68
Show 18241+0535 SLE 169 AC 351 30.8 68
Show 18281+0720 SLE 345 38 11.1 69
Show 18320+0647 STT 354 205 0.5 70
Show 18295+0722 A 582 29 2.9 74

 
 
WDS 18280+0612 : COMPONENTS
 
 
  A
B pa=15.5°
sep=0.05"
 
 
18280+0612 A
 
 
Componente originario normalizzato AB Name HD 170200 Coord arcsec 2000 182758.77+061139.0 Mag 6.5
Spectral class B8III (blue-white) PmRA 4.00 PmDE -17.0 SAO 123516
HIP 90497 Tycho2 0445-02136-1 HD 170200 HR 6928
GC 25198 BD BD+06 3790
Tycho2
Tycho2 0445-02136-1 Pflag RAmdeg 276.99488585 DEmdeg 6.19410491
PmRA -0.9 PmDE -22.3 E RAmdeg 3 E DEmdeg 3
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.75 EpDEm 1991.66
Num 12 Q RAmdeg 0.7 Q DEmdeg 0.7 Q pmRA 0.5
Q pmDE 0.7 BTmag 5.660 E BTmag 0.014 VTmag 5.693
E VTmag 0.009 Prox 999 TYC T HIP 90497
CCDM RAdeg 276.99488806 DEdeg 6.19415583 EpRA 1990 1.87
EpDE 1990 1.78 E RAdeg 3.3 E DEdeg 3.4 Posflg
Corr -0.5
SAO
SAO 123516 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 -0.023 Vmag 5.6 SpType B8
Double code Source 70 CatNum 25198 DM BD+06 3790
DMcomp BDsup HD 170200 M HD 0
GC 25198 RA1950rad 4.82381132 DE1950rad 0.10754655 PmRA2000 0
PmDE2000 -0.024
Hipparcos
Catalog H HIP 90497 Proxy RAhms 18 27 58.77
DEdms +06 11 39.0 Vmag 5.71 VarFlag R Vmag H
RAdeg 276.995 DEdeg 6.19416 AstroRef Plx 4.41
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 170200 BD BD+06 3790
CD CP Dm number +06 3790 VIred -0.01
SpType B8III-IV R SpType Coord arcsec 2000 182758.77+061139.0
Hipparcos 2
HIP 90497 Sn 5 So 0 Nc 1
RArad 4.8344728522 DErad 0.1081084936 Plx 4.61 PmRA -0.89
PmDE -22.9 E RArad 0.28 E DErad 0.22 E Plx 0.34
E pmRA 0.3 E pmDE 0.27 Hpmag 5.7062 E Hpmag 0.0006
SHp 0.008 VA 0 BV -0.034 E BV 0.003
VI -0.01
CCDM
Ccdm 18280+0612 RComp Comp A Note1
Note2 Discov num DRAs -1.24 DDEs -20.9
R dRAs 81 Year Theta Rho
Obs 2 Vmag 5.7 Sp B8 PmNote @
PmRA -4 PmDE -17 Dm number +06 3790 Cat1 BD
Name2 +06 2266 Cat2 AGK2/3 HD 170200 M HD
ADS BDS M ADS BDS N IDS W IDS 18280+0612A
HIC 90497
 
 
18280+0612 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182758.77+061139.0 Mag 6.6 Spectral class IV
Calc delta mag 0.1 Calc coord yes
CCDM
Ccdm 18280+0612 RComp Comp B Note1 &
Note2 Discov num CHR 71 DRAs DDEs
R dRAs Year 1985 Theta 312 Rho 0.1
Obs 6 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS W IDS 18280+0612B
HIC 90497