词条 | TT Corvi |
释义 |
|constell= Corvus |name= TT Corvi |type= |ra= {{RA|12|23|18.90}} |dec= {{DEC|+78|38|00.2878}} }}TT Corvi (TT Crv) is a semiregular variable star in the constellation Corvus. It is a red giant of spectral type M3III and average apparent magnitude 6.48 around 923 light years distant.[1] It shines with a luminosity approximately 993 times that of the Sun and has a surface temperature of 3630 K.[2] References1. ^{{cite journal | title=Long-term photometry and periods for 261 nearby pulsating M giants | last=Tabur |first =V. |last2=Bedding |first2=T. R. |author2-link= Tim Bedding|year=2009 |journal=Monthly Notices of the Royal Astronomical Society |volume= 400 | issue =4 |pages= 1945–61 |doi=10.1111/j.1365-2966.2009.15588.x |arxiv = 0908.3228 |bibcode = 2009MNRAS.400.1945T }} {{Stars of Corvus}}2. ^{{cite journal|author=McDonald, I.|author2=Zijlstra, A. A.|author3=Boyer, M. L.|date=2012|title=Fundamental Parameters and Infrared Excesses of Hipparcos Stars|journal=Monthly Notices of the Royal Astronomical Society|volume=427|issue=1|pages=343–57|bibcode=2012MNRAS.427..343M|arxiv = 1208.2037 |doi = 10.1111/j.1365-2966.2012.21873.x }} 4 : Corvus (constellation)|M-type giants|Semiregular variable stars|Objects with variable star designations |
随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识,基本涵盖了大多数领域的百科知识,是一部内容自由、开放的电子版国际百科全书。