| 词条 | HD 188405 |
| 释义 |
| name=HD 188405 }}{{Starbox observe | epoch=J2000 | ra={{RA|19|55|19.50021}} | dec={{DEC|-06|44|05.2223}} | appmag_v=6.51[3] {{nowrap|(6.94 + 7.98)}}[4] | constell=Aquila }}{{Starbox character | class=F2V[4] | r-i = | v-r = | b-v = +0.39[3] | u-b = +0.05[3] | variable= }}{{Starbox astrometry | radial_v=−13.10[8] | prop_mo_ra=+16.58 | prop_mo_dec=−60.18 | parallax=12.22 | p_error=0.84 | parallax_footnote= | absmag_v= }}{{Starbox orbit | reference=[1] | period=425 ± 22 | axis=1.085 ± 0.024 | inclination=103.05 ± 0.84 | node=264.03 ± 0.77 | periastron=B 1974.28 ± 0.23 | eccentricity=0.9414 ± 0.0020 | periarg=327.9 ± 1.7 }}{{Starbox detail | component1=HD 188405 A | mass=1.4[2] | radius=2.8[2] | luminosity=13[2] | temperature=6,646[2] | gravity= | metal_fe= | rotational_velocity= | age_myr= }}{{Starbox catalog | names=BD-07° 5102, HD 188405, HIP 98038, HR 7599, SAO 143911. }}{{Starbox reference | Simbad=HD+188405 }}{{Starbox end}}HD 188405 is a binary star in the equatorial constellation of Aquila. The pair have an orbital period of roughly 425 years and an angular separation of 1.085″.[17] References1. ^{{cite web|url=http://www.usno.navy.mil/USNO/astrometry/optical-IR-prod/wds/orb6|title=Sixth Catalog of Orbits of Visual Binary Stars|work=United States Naval Observatory|accessdate=21 May 2017}} [3][4][5][6]2. ^1 2 3 {{cite journal|bibcode=2016AJ....151...59C|doi=10.3847/0004-6256/151/3/59|arxiv=1510.05666|title=The Catalog of Earth-Like Exoplanet Survey Targets (CELESTA): A Database of Habitable Zones Around Nearby Stars|journal=The Astronomical Journal|volume=151|issue=3|pages=59|year=2016|last1=Chandler|first1=Colin Orion|last2=McDonald|first2=Iain|last3=Kane|first3=Stephen R.}} 3. ^1 {{Cite journal| doi = 10.1134/S1063773706110065| bibcode=2006AstL...32..759G| title = Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system| journal = Astronomy Letters| volume = 32| issue = 11| pages = 759–771| date = November 2006| last1 = Gontcharov | first1 = G. A.|arxiv = 1606.08053 }} 4. ^1 2 3 {{citation | last1=Nicolet | first1=B. | title=Photoelectric photometric Catalogue of homogeneous measurements in the UBV System | journal=Astronomy and Astrophysics Supplement Series | volume=34 | pages=1–49 | date=1978 | bibcode=1978A&AS...34....1N}} 5. ^1 2 {{citation | display-authors=1 | last1=Malkov | first1=O. Yu. | last2=Tamazian | first2=V. S. | last3=Docobo | first3=J. A. | last4=Chulkov | first4=D. A. | title=Dynamical Masses of a Selected Sample of Orbital Binaries | journal=Astronomy & Astrophysics | volume=546 | id=A69 | pages=5 | date=2012 | doi=10.1051/0004-6361/201219774 | bibcode=2012A&A...546A..69M}} 6. ^1 {{citation | last1=Cvetkovic | first1=Z. | last2=Ninkovic | first2=S. | title=On the Component Masses of Visual Binaries | journal=Serbian Astronomical Journal | volume=180 | pages=71–80 | date=2010 | doi=10.2298/SAJ1080071C | bibcode =2010SerAJ.180...71C}} }} External links
7 : Aquila (constellation)|Henry Draper Catalogue objects|Binary stars|F-type main-sequence stars|HR objects|Durchmusterung objects|Hipparcos objects |
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