论文标题
另一个由苔丝的六个短期巨型行星组成的。
Another Shipment of Six Short-Period Giant Planets from TESS
论文作者
论文摘要
我们介绍了NASA的六个短期，过境的巨型行星的发现和表征395393265），TOI-2154（TIC 428787891），＆TOI-2497（TIC 97568467）。所有六个行星绕着明亮的宿主星（8.9 <g <g <11.8，7.7 <k <10.1）。利用时间序列的光度法和光谱的随访观察结果的结合，我们已经确定行星是Jovian大小的（r $ _ {p} $ = 1.00-1.45 r $ = 1.00-1.45 r $ $ $ _ {J {J} $），从0.92至5.35 m $ _ $ k $ __;星星（4753 $ <$ t $ _ {eff} $ $ <$ 7360 K）。 We detect a significant orbital eccentricity for the three longest-period systems in our sample: TOI-2025 b (P = 8.872 days, $e$ = $0.220\pm0.053$), TOI-2145 b (P = 10.261 days, $e$ = $0.182^{+0.039}_{-0.049}$), and TOI-2497 b （p = 10.656天，$ e $ = $ 0.196^{+0.059} _ { - 0.053} $）。 TOI-2145 B和TOI-2497 B两个轨道次级主机明星（3.8 $ <$ \ $ \ log $ g $ <$ <$ 4.0），但是尽管辐射水平很高，这些行星却没有通货膨胀的迹象。缺乏通货膨胀可以用高质量的行星来解释。 $ 5.35^{+0.32} _ { - 0.35} $ m $ _ {\ rm j} $（toi-2145 b）和$ 5.21 \ pm0.52 $ m $ _ {\ rm j} $（toi-2497 b）。这六个新发现有助于更大的社区努力，以使用{\ it tess}创建具有巨大的，自洽的巨型行星样本，并具有确定的参数，以进行未来的详细研究。
We present the discovery and characterization of six short-period, transiting giant planets from NASA's Transiting Exoplanet Survey Satellite (TESS) -- TOI-1811 (TIC 376524552), TOI-2025 (TIC 394050135), TOI-2145 (TIC 88992642), TOI-2152 (TIC 395393265), TOI-2154 (TIC 428787891), & TOI-2497 (TIC 97568467). All six planets orbit bright host stars (8.9 <G< 11.8, 7.7 <K< 10.1). Using a combination of time-series photometric and spectroscopic follow-up observations from the TESS Follow-up Observing Program (TFOP) Working Group, we have determined that the planets are Jovian-sized (R$_{P}$ = 1.00-1.45 R$_{J}$), have masses ranging from 0.92 to 5.35 M$_{J}$, and orbit F, G, and K stars (4753 $<$ T$_{eff}$ $<$ 7360 K). We detect a significant orbital eccentricity for the three longest-period systems in our sample: TOI-2025 b (P = 8.872 days, $e$ = $0.220\pm0.053$), TOI-2145 b (P = 10.261 days, $e$ = $0.182^{+0.039}_{-0.049}$), and TOI-2497 b (P = 10.656 days, $e$ = $0.196^{+0.059}_{-0.053}$). TOI-2145 b and TOI-2497 b both orbit subgiant host stars (3.8 $<$ $\log$ g $<$4.0), but these planets show no sign of inflation despite very high levels of irradiation. The lack of inflation may be explained by the high mass of the planets; $5.35^{+0.32}_{-0.35}$ M$_{\rm J}$ (TOI-2145 b) and $5.21\pm0.52$ M$_{\rm J}$ (TOI-2497 b). These six new discoveries contribute to the larger community effort to use {\it TESS} to create a magnitude-complete, self-consistent sample of giant planets with well-determined parameters for future detailed studies.
