VY Pyxidis

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

{{Starbox begin

| name = VY Pyxidis}}

{{Starbox image

| image = 250px

| caption = A visual band light curve for VY Pyxidis, plotted from data published by Sanwal and Sarma (1991)

}}

{{Starbox observe

| epoch = J2000.0

| equinox = J2000.0 (ICRS)

| constell = Pyxis

| ra= {{RA|08|54|29.6305}}

| dec= {{DEC|-23|31|18.575}}

| appmag_v=7.13 - 7.40

}}

{{Starbox character

| class = F3/5III{{Citation

|title = Catalogue of two-dimensional spectral types for the HD stars, Vol.4

|last1 = Houk |first1 = N. |last2 = Smith-Moore |first2 = M.

|journal = Michigan Spectral Survey

|volume = 4 |date = 1988

|bibcode = 1988mcts.book.....H

}}

| variable= BL Her

}}

{{Starbox astrometry

| radial_v =

| prop_mo_ra = 11.081

| prop_mo_dec = 29.509

| parallax = 3.9495

| p_error = 0.0186

| parallax_footnote = {{cite Gaia EDR3|5653136461526964224}}

| absmag_v=

}}

{{Starbox detail

| mass = 2.4{{cite journal |bibcode=2022yCat.1354....0A |title=VizieR Online Data Catalog: StarHorse2, Gaia EDR3 photo-astrometric distances (Anders+, 2022) |last1=Anders |first1=F. |last2=Khalatyan |first2=A. |last3=Queiroz |first3=A. B. A. |last4=Chiappini |first4=C. |last5=Ardevol |first5=J. |last6=Casamiquela |first6=L. |last7=Figueras |first7=F. |last8=Jimenez-Arranz |first8=O. |last9=Jordi |first9=C. |last10=Monguio |first10=M. |last11=Romero-Gomez |first11=M. |last12=Altamirano |first12=D. |last13=Antoja |first13=T. |last14=Assaad |first14=R. |last15=Cantat-Gaudin |first15=T. |last16=Castro-Ginard |first16=A. |last17=Enke |first17=H. |last18=Girardi |first18=L. |last19=Guiglion |first19=G. |last20=Khan |first20=S. |last21=Luri |first21=X. |last22=Miglio |first22=A. |last23=Minchev |first23=I. |last24=Ramos |first24=P. |last25=Santiago |first25=B. X. |last26=Steinmetz |first26=M. |journal=Vizier Online Data Catalog |year=2022 }}

| temperature = 6,133

| luminosity = 46{{cite journal

| display-authors=1 | last1=Chandler | first1=Colin Orion

| last2=McDonald | first2=Iain | last3=Kane | first3=Stephen R.

| 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

| bibcode=2016AJ....151...59C | arxiv=1510.05666

| doi=10.3847/0004-6256/151/3/59 | s2cid=119246448 | doi-access=free }}

| radius = 6.5

| gravity = 2.987

| metal_fe = −0.101

}}

{{Starbox catalog

| names= VY Pyx, BD−22° 2440, HD 76296, HIP 43736, SAO 176679

}}

{{Starbox reference

| Simbad = VY+Pyx

}}

{{Starbox end}}

VY Pyxidis is a BL Herculis variable (type II Cepheid) in the constellation of Pyxis. It ranges between apparent magnitudes 7.13 and 7.40 over a period of 1.23995 days.{{cite web|url=http://www.aavso.org/vsx/index.php?view=detail.top&oid=27224 |title=VY Pyxidis |author =Wils, Patrick |date=15 November 2011 |work=AAVSO Website|publisher=American Association of Variable Star Observers|access-date=13 July 2014}} Located around 826 light-years distant, it shines with a luminosity approximately 46 times that of the Sun and has a surface temperature of {{val|6133|ul=K|fmt=commas}}