69 Ceti

{{Starbox begin

| name = 69 Ceti

}}

{{Starbox observe

| epoch = J2000

| constell = Cetus

| ra = {{RA|02|21|56.62838}}

| dec = {{DEC|+00|23|44.4288}}

| appmag_v = 5.287

}}

{{Starbox character

| class = M1/2III

| b-v = +1.65

| u-b = +1.85

| variable =

}}

{{Starbox astrometry

| radial_v = {{Val|+26.99|0.32}}

| prop_mo_ra = −12.393

| prop_mo_dec = −8.059

| parallax = 3.7821

| p_error = 0.2323

| parallax_footnote=

| absmag_v = –2.73

}}

{{Starbox detail

| mass =

| radius = {{Val|100|10|18}}

| temperature = {{Val|3765|392|177|fmt=commas}}

| luminosity = {{Val|1813|126|fmt=commas}}

| gravity =

| metal_fe =

| rotational_velocity =

| age_gyr =

}}

{{Starbox catalog

| names={{odlist | F=69 Cet | BD=−00°355 | HD=14652 | HIP=11021 | HR=689 | SAO=110495 }}

}}

{{Starbox reference

| Simbad=69+Cet

}}

69 Ceti is a single star located around 860 light years away in the equatorial constellation of Cetus. It is visible to the naked eye with an apparent visual magnitude of 5.3. This is an aging red giant star with a stellar classification of M1/2III. It is radiating 1,813 times the Sun's luminosity from an enlarged photosphere, 100 times the Sun's radius, at an effective temperature of 3,765 K.

References

{{reflist|refs=

{{citation

| last1=Eggleton | first1=P. P. | last2=Tokovinin | first2=A. A.

| title=A catalogue of multiplicity among bright stellar systems

| journal=Monthly Notices of the Royal Astronomical Society

| volume=389 | issue=2 | pages=869–879 | date=September 2008

| doi=10.1111/j.1365-2966.2008.13596.x | doi-access=free | bibcode=2008MNRAS.389..869E

| arxiv=0806.2878 | s2cid=14878976 | postscript=. }}

{{cite journal

| title=The Tycho-2 catalogue of the 2.5 million brightest stars

| journal=Astronomy and Astrophysics

| last1=Høg | first1=E. | last2=Fabricius | first2=C.

| last3=Makarov | first3=V. V. | last4=Urban | first4=S.

| last5=Corbin | first5=T. | last6=Wycoff | first6=G.

| last7=Bastian | first7=U. | last8=Schwekendiek | first8=P.

| last9=Wicenec | first9=A. | display-authors=1

| volume=355 | pages=L27 | year=2000

| doi=10.1888/0333750888/2862 | bibcode=2000A&A...355L..27H }}

{{cite journal

| title=Michigan catalogue of two-dimensional spectral types for the HD Stars

| journal=Michigan Spectral Survey

| last1=Houk | first1=N. | last2=Swift | first2=C.

| volume=5 | year=1999

| bibcode=1999MSS...C05....0H }}

{{cite journal

| title=UBVRIJKL Photometry of the Bright Stars

| last1=Johnson | first1=H. L.

| journal=Communications of the Lunar and Planetary Laboratory

| volume=4 | pages=99 | date=1966

| bibcode=1966CoLPL...4...99J }}

{{cite journal

| last1=Ryon | first1=Jenna | last2=Shetrone | first2=Matthew D.

| last3=Smith | first3=Graeme H.

| title=Comparing the CaiiH and K Emission Lines in Red Giant Stars

| journal=Publications of the Astronomical Society of the Pacific

| volume=121 | issue=882 | pages=842 | year=2009

| bibcode=2009PASP..121..842R

| doi=10.1086/605456 | arxiv=0907.3346 | s2cid=17821279 }}

}}

Category:M-type giants

Category:Cetus

Category:Durchmusterung objects