HD 165493: Difference between revisions

{{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/>

{{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

}}</ref>

<ref name="Gontcharov">{{cite doi|10.1134/S1063773706110065}}</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 doi|10.1002/asna.200911355}}</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

| year=2014 | bibcode=2001AJ....122.3466M

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

| accessdate=2015-07-22

}}</ref>

}}

==External links==

[[Category:Double stars]]