19580+0456 A 606 (HD 189044)

 
 
19h 58m 02.80s +04 56' 08.4" P.A. 168.00 sep 0.6 mag 9.52,9.33 Sp G5 dist. 132.8 pc (433.19 l.y.)
 
 
Coord 2000 19580+0456 Discov num A   606 Comp Coord arcsec 2000 19 58 02.80 +04 56 08.4
Date first 1903 Date last 2021 Obs 84
Pa first 106 Pa last 167.9 P.A. Now (θ) 168.8°
Sep first 0.3 Sep last 0.595 Sep. Now (ρ) 0.55"
Mag pri 9.52 Mag sec 9.33 delta mag (ΔM) 0.19 Spectral class G5 (yellow)
Pri motion ra +026 Sec motion ra +026
Pri motion dec +003 Sec motion dec +003
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189044 Constellation Aquila SAO 125286 HIP 98272
Tycho2 0489-01421-1 Gaia DR2 4248447753598217216 HD 189044 ADS 13169
BD BD+04 4292 Distance 132.8 Distance ly 433.19
 
 
ORBITAL ELEMENTS
 
 
Period (P)220.8y Periastron (T)1924.46y Semi-major axis (a)0.41a
Eccentricity (e)0.379 Inclination (i)12.5° Longitude of periastron (ω)251.3°
Node (Ω)107.5° Notesn ReferenceSca2018e
Equinox2000 Last observation2018 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 149.1 0.519
2001 150.0 0.522
2002 150.9 0.524
2003 151.8 0.525
2004 152.7 0.527
2005 153.6 0.529
2006 154.4 0.531
2007 155.3 0.533
2008 156.2 0.534
2009 157.0 0.536
2010 157.9 0.537
2011 158.8 0.539
2012 159.6 0.540
2013 160.5 0.541
2014 161.3 0.542
2015 162.1 0.544
2016 163.0 0.545
2017 163.8 0.546
2018 164.6 0.547
2019 165.5 0.547
2020 166.3 0.548
2021 167.1 0.549
2022 167.9 0.550
2023 168.8 0.550
2024 169.6 0.551
2025 170.4 0.552
2026 171.2 0.552
2027 172.0 0.552
2028 172.8 0.553
2029 173.6 0.553
2030 174.4 0.553


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



 
 


wds19580%2B0456c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 19580+0456 A 606 (HD 189044) : NOTES
 
 
discov_num notes refcode
A 606 See Baize & Petit (1989) catalog of doubles with variable component. Baz1989d
Period incorrectly given as 125.49 (erratum in Inf. Circ. 93, 1984) Baz1984b
 
 
REFERENCES
 
 
refcode metd author reference
Baz1984b orb - Baize, P. 1984IAUDS..92....1B
Baz1984b Inf. Circ. 92, 1, 1984
Baz1989d - Baize, P. & Petit, M. 1989A&AS...77..497B
Baz1989d A&AS 77, 497, 1989
Sca2018e S j Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Zanutta, A. & Aristidi, E. 2018AN....339..571S
Sca2018e +orb AN 339, 571, 2018
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19580+0456 A 606 2003 77 333 0.5 9.52 9.33 G5 NOD 195802.80+045608.4
19580+0456 A 606 2008 78 337 0.6 9.52 9.33 G5 NOD 195802.80+045608.4
19580+0456 A 606 2017 77 344 0.6 9.52 9.33 G5 NO 195802.80+045608.4
19580+0456 A 606 2018 78 165 0.6 9.52 9.33 G5 NO 195802.80+045608.4
19580+0456 A 606 2021 84 168 0.6 9.52 9.33 G5 NO 195802.80+045608.4

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WDS 19580+0456 A 606 (HD 189044) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19580+0456 A 606 (HD 189044) : MEASURES
 
 
No records found.

 
 
WDS 19580+0456 (HD 189044) : VIRTUAL EYEPIECE
 
 

19580+0456 A   606A mag 9.52 Sp G5 19580+0456 A   606B sep 0.6 P.A. 167.90 mag 9.33 virtual eyepiece
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Radius:
Components only
 
 
WDS 19580+0456 (HD 189044) : ALADIN DSS IMAGE @ 19h 58m 02.80s +04 56' 08.4"
 
 
 
 
WDS 19580+0456 A 606 (HD 189044) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


19580+0456  A   606 distance=0' 19577+0457  TDT1878 distance=7' 19573+0513  A   604 distance=20' 19576+0517  BAL3015 distance=22' 19585+0519  TDT1890 distance=24' 19570+0514  BAL2956 distance=25' 19562+0456  HEI 575 distance=28' 19562+0451  BAL2955 distance=29' 19575+0527  HEI 817 distance=32' 19576+0425  BAL2957 distance=33' 19555+0511  HEI 877 distance=41' 19561+0418  OSO 115AB distance=48' 19561+0418  OSO 115AC distance=48' 19550+0441  BAL2954AB distance=49' 19550+0441  BAL2954AC distance=49' 19550+0441  BAL2954BC distance=49' 20004+0530  HJ 2919 distance=50' 19581+0548  A   607 distance=52' 19553+0539  J   543 distance=60' 20001+0405  KPP3351 distance=60' 19542+0525  HDS2836 distance=65' 20023+0512  J  1292AB distance=65' 20023+0512  J  1292AC distance=65' 19531+0506  J  1766 distance=76' 20032+0444  HDS2860 distance=79' 19578+0335  J  2293 distance=82' 20001+0338  A  2393 distance=84' 19580+0622  TDT1885 distance=86' 20037+0513  GWP2919 distance=87' 19554+0336  BAL2525 distance=90' 20041+0449  HJ 2925 distance=92' 20008+0619  BRT2185 distance=93' 20025+0601  J  1294 distance=94' 19540+0344  J  2290 distance=95' 19541+0343  J  2291 distance=96' 19553+0624  STT 532AB (Alshain) distance=98' 19553+0624  STT 532AC (Alshain) distance=98' 20043+0425  A  2277 distance=100' 19518+0537  OSO 112 distance=102' 20041+0404  J  2296 distance=104' 19524+0354  GRV 289 distance=105' 19511+0448  BAL2953 distance=106' 20049+0429  TDT1956 distance=107' 20051+0435  HJ 2926 distance=107' 19509+0435  FMR 155 distance=109' 19548+0636  J  3032 distance=111' 19514+0405  STF2587 distance=112' 19574+0647  A   605 distance=112' 20053+0433  J  3206 distance=112' 19552+0311  BAL2012AB distance=114' 19552+0311  DAM 359AC distance=114' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 19580+0456 A 606 168 0.6
Show 19577+0457 TDT1878 140 0.9 7
Show 19573+0513 A 604 350 0.1 20
Show 19576+0517 BAL3015 306 12.8 22
Show 19585+0519 TDT1890 253 0.8 24
Show 19570+0514 BAL2956 246 10.0 25
Show 19562+0456 HEI 575 59 1.4 28
Show 19562+0451 BAL2955 335 10.7 29
Show 19575+0527 HEI 817 340 4.7 32
Show 19576+0425 BAL2957 191 13.4 33
Show 19555+0511 HEI 877 57 2.3 41
Show 19561+0418 OSO 115 AB 183 4.0 48
Show 19561+0418 OSO 115 AC 301 7.2 48
Show 19550+0441 BAL2954 AB 208 13.2 49
Show 19550+0441 BAL2954 AC 210 12.3 49
Show 19550+0441 BAL2954 BC 4 2.3 49
Show 20004+0530 HJ 2919 344 11.4 50
Show 19581+0548 A 607 81 0.2 52
Show 19553+0539 J 543 7 3.6 60
Show 20001+0405 KPP3351 280 1.9 60
Show 19542+0525 HDS2836 110 1.8 65
Show 20023+0512 J 1292 AB 92 4.4 65
Show 20023+0512 J 1292 AC 59 26.5 65
Show 19531+0506 J 1766 345 4.9 76
Show 20032+0444 HDS2860 342 0.2 79
Show 19578+0335 J 2293 44 4.5 82
Show 20001+0338 A 2393 6 0.1 84
Show 19580+0622 TDT1885 96 1.3 86
Show 20037+0513 GWP2919 61 5.7 87
Show 19554+0336 BAL2525 37 5.1 90
Show 20041+0449 HJ 2925 243 31.0 92
Show 20008+0619 BRT2185 51 3.8 93
Show 20025+0601 J 1294 27 3.3 94
Show 19540+0344 J 2290 353 4.4 95
Show 19541+0343 J 2291 115 2.0 96
Show Alshain 19553+0624 STT 532 AB 1 13.3 98
Show Alshain 19553+0624 STT 532 AC 349 214.8 98
Show 20043+0425 A 2277 349 1.8 100
Show 19518+0537 OSO 112 327 22.8 102
Show 20041+0404 J 2296 283 8.8 104
Show 19524+0354 GRV 289 221 39.2 105
Show 19511+0448 BAL2953 151 6.6 106
Show 20049+0429 TDT1956 297 0.5 107
Show 20051+0435 HJ 2926 346 17.9 107
Show 19509+0435 FMR 155 47 173.1 109
Show 19548+0636 J 3032 22 4.4 111
Show 19514+0405 STF2587 101 4.3 112
Show 19574+0647 A 605 91 1.8 112
Show 20053+0433 J 3206 110 5.8 112
Show 19552+0311 BAL2012 AB 351 16.3 114
Show 19552+0311 DAM 359 AC 16 7.6 114

 
 
WDS 19580+0456 : COMPONENTS
 
 
  A
B pa=167.9°
sep=0.59"
 
 
19580+0456 A
 
 
Componente originario normalizzato AB Name HD 189044 Coord arcsec 2000 195802.80+045608.4 Mag 9.52
Spectral class G5 (yellow) PmRA 26.00 PmDE 3.0 SAO 125286
HD 189044 ADS 13169 DM BD+04 4292
SAO
SAO 125286 DelFlag RA1950 PmRA1950 0.0021
DE1950 PmDE1950 0.011 Vmag 8.6 SpType G5
Double code Source 30 CatNum 6924 DM BD+04 4292
DMcomp BDsup HD 189044 M HD 0
GC RA1950rad 5.21663447 DE1950rad 0.08377308 PmRA2000 0.0023
PmDE2000 0.009
CCDM
Ccdm 19580+0456 RComp Comp A Note1
Note2 Discov num DRAs 2.70 DDEs 9.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.5 Sp G5 PmNote *
PmRA 4 PmDE 14 Dm number +04 4292 Cat1 BD
Name2 +04 2637 Cat2 AGK2/3 HD 189044 M HD
ADS BDS A13169 M ADS BDS N IDS IDS 19531N0440A
HIC 98272
 
 
19580+0456 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 195802.81+045607.8 Mag 9.33 PmRA 26.00
PmDE 3.0 HIP 98272 Tycho2 0489-01421-1 BD BD+04 4292
Calc delta mag 0.19 Calc coord yes
Tycho2
Tycho2 0489-01421-1 Pflag RAmdeg 299.51162872 DEmdeg 4.93571810
PmRA 25.7 PmDE 3.1 E RAmdeg 7 E DEmdeg 9
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.22 EpDEm 1990.34
Num 8 Q RAmdeg 1.1 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 1.0 BTmag 9.624 E BTmag 0.020 VTmag 8.792
E VTmag 0.013 Prox 999 TYC T HIP 98272
CCDM AS RAdeg 299.51156833 DEdeg 4.93570972 EpRA 1990 1.62
EpDE 1990 1.28 E RAdeg 6.8 E DEdeg 8.7 Posflg P
Corr -0.3
Hipparcos
Catalog H HIP 98272 Proxy H RAhms 19 58 02.77
DEdms +04 56 08.8 Vmag 8.62 VarFlag R Vmag G
RAdeg 299.512 DEdeg 4.93576 AstroRef A Plx 9.04
CCDM 19580+0456 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AS
Theta 141 Rho 0.531 HD 189044 BD BD+04 4292
CD CP Dm number +04 4292 VIred 0.79
SpType G5 R SpType Coord arcsec 2000 195802.77+045608.8
Hipparcos 2
HIP 98272 Sn 15 So 3 Nc 2
RArad 5.227462227 DErad 0.0861453464 Plx 7.53 PmRA 23.51
PmDE 2.98 E RArad 2.29 E DErad 1.53 E Plx 1.88
E pmRA 3.83 E pmDE 2.55 Hpmag 8.7607 E Hpmag 0.0018
SHp 0.016 VA 0 BV 0.74 E BV 0.014
VI 0.79
CCDM
Ccdm 19580+0456 RComp Comp B Note1 *
Note2 Discov num A 606 DRAs DDEs
R dRAs Year 1903 Theta Rho
Obs 30 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13169 M ADS BDS N IDS IDS 19531N0440B
HIC 98272