HD 165493: Difference between revisions

{{Short description|Star in the constellation Ara}}

{{Starbox begin

| name=HD 165493

}}

{{Starbox observe

| epoch=J2000

| ra={{RA|18|08|30.10807}}<ref name="van Leeuwen2007"/>

| dec={{DEC|-45|46|01.2534}}<ref name="van Leeuwen2007"/>

| appmag_v=6.153<ref name=hohle/> {{nowrap|(6.15 + 9.55)}}<ref name=WDSC2014/>

| constell=[[Ara (constellation)|Ara]]

}}

{{Starbox character

| class=B7.5II<ref name=hohle/>

| r-i =

| v-r =

| b-v = −0.08<ref name=aass34_1/>

| u-b = −0.49<ref name=aass34_1/>

| variable=

}}

{{Starbox astrometry

| radial_v={{Val|−35.0|4.3}}<ref name="Gontcharov"/>

| prop_mo_ra=−2.88<ref name="van Leeuwen2007"/>

| prop_mo_dec=−17.29<ref name="van Leeuwen2007"/>

| parallax=3.68

| p_error=0.60

| parallax_footnote=<ref name="van Leeuwen2007"/>

| absmag_v=

}}

{{Starbox detail

| component1 = HD 165493 A

| mass={{val|3.98|0.10}}<ref name=hohle/>

| radius=

| luminosity=457<ref name=hohle/>

| temperature=12,250<ref name=hohle/>

| metal_fe=

| rotational_velocity=

| age_myr=

}}

{{Starbox catalog

| names=[[Durchmusterung|CD]]-45 12215, [[Henry Draper Catalogue|HD]] 165493, [[Hipparcos Catalogue|HIP]] 88859, [[Bright Star Catalogue|HR]] 6759, [[Smithsonian Astrophysical Observatory Star Catalog|SAO]] 228734, [[Washington Double Star Catalog|WDS]] J18085-4546AB.

}}

{{Starbox reference

| Simbad=HD+165493

}}

'''HD 165493''' is [[double star]] in the southern [[constellation]] of [[Ara (constellation)|Ara]]. As of 2011, the two components have an [[angular separation]] of 4[[arc second|″]] along a [[position angle]] of 257°.<ref name=WDSC2014/>

==References==

{{reflist|refs=

<ref name="van Leeuwen2007">{{cite journal

| last1=van Leeuwen | first1=F.

| title=Validation of the new Hipparcos reduction

| journal=Astronomy and Astrophysics

| volume=474 | issue=2 | pages=653–664 | year=2007

| arxiv=0708.1752

| bibcode=2007A&A...474..653V

| doi=10.1051/0004-6361:20078357

| s2cid=18759600

}}</ref>

<ref name="Gontcharov">{{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 | s2cid=119231169}}</ref>

<ref name=aass34_1>{{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 | year=1978

| bibcode=1978A&AS...34....1N

}}</ref>

<ref name=hohle>{{Cite journal | doi = 10.1002/asna.200911355| title = Masses and luminosities of O- and B-type stars and red supergiants| year = 2010| last1 = Hohle | first1 = M. M. | last2 = Neuhäuser | first2 = R.| last3 = Schutz | first3 = B. F. | journal = Astronomische Nachrichten| volume = 331| issue = 4| pages = 349|arxiv = 1003.2335 |bibcode = 2010AN....331..349H | s2cid = 111387483}}</ref>

<ref name=WDSC2014>{{citation

| display-authors=1

| last1=Mason | first1=B. D.

| last2=Wycoff | first2=G. L.

| last3=Hartkopf | first3=W. I.

| last4=Douglass | first4=G. G.

| last5=Worley | first5=C. E.

| title=The Washington Visual Double Star Catalog

| journal=The Astronomical Journal | year=2014 | volume=122 | issue=6 | page=3466 | bibcode=2001AJ....122.3466M

| url=http://vizier.u-strasbg.fr/viz-bin/VizieR?-source=B/wds

| access-date=2015-07-22

|doi = 10.1086/323920 | doi-access=free

}}</ref>

}}

==External links==

* [https://archive.today/20130213164341/http://aladin.u-strasbg.fr/alapre.pl?-c=18+08+30.1082-45+46+01.254&button=RGB Image HD 165493]

{{Stars of Ara}}

{{DEFAULTSORT:HD 165493}}

[[Category:Ara (constellation)]]

[[Category:Henry Draper Catalogue objects|165493]]

[[Category:Double stars]]

[[Category:Hipparcos objects|088859]]

[[Category:B-type bright giants]]

[[Category:Bright Star Catalogue objects|6759]]

[[Category:Durchmusterung objects]]

{{multi-star-stub}}