We constrain the global parameters of the Large Magellanic Cloud (LMC) by modeling the first soft X-ray (0.4–6.8 keV) observations of the entire LMC produced in a single pointing with moderate spectral resolution by the HaloSat CubeSat. These data are best fit with the sum of two thermal plasma components in collisional ionization equilibrium and a power law. We find cool (0.210 0.014 keV) and hot (0.89 0.14 keV) components. The total X-ray luminosity of the LMC is (1.080.14)נ10³⁹ erg s⁻¹. X-ray binaries make up a large fraction of the emission with a luminosity of (6.00.8)נ10³⁸ erg s⁻¹, followed by cool gas from superbubbles, supernovae, and diffuse emission with a luminosity of (3.00.3)נ10³⁸ erg s⁻¹. The hot gas from star formation contributes the smallest fraction, with a luminosity of (1.90.5)נ10³⁸ erg s⁻¹. We estimate the total volume of the cool gas to be between (0.2–1.2)נ10¹⁰ pc³ and the hot gas to be between (1.0–5)נ10⁷ pc³ for filling factors of f=1 and 0.2. These volumes result in a total thermal energy for the cool gas between (1.4–3)נ10⁵⁴ erg for electron densities of 0.017–0.04 cm⁻³, and a thermal energy for the hot gas between (1.7–4)נ10⁵³ erg for electron densities of 0.12–0.3 cm⁻³. This yields cooling timescales for the cool and hot gas of (1.5–3)נ10⁸ yr and (1.8–6)נ10⁷ yr, respectively.

我们通过对 HaloSat CubeSat 以中等光谱分辨率在单个指向中产生的整个 LMC 的第一次软 X 射线 (0.4-6.8 keV) 观测进行建模来限制大麦哲伦星云 (LMC) 的全局参数。这些数据最适合碰撞电离平衡中的两个热等离子体分量和幂律的总和。我们发现冷 (0.210 0.014 keV) 和热 (0.89 0.14 keV) 组件。LMC 的总 X 射线光度为 (1.080.14)נ10 ³⁹ erg s ^-1。X 射线双星占发射的很大一部分，光度为 (6.00.8)נ10 ³⁸ erg s ^-1，其次是来自超级气泡、超新星的冷气体和光度为 (3.00.3)נ10 的漫射发射³⁸尔格^-1。来自恒星形成的热气体贡献最小，光度为 (1.90.5)נ10 ³⁸ erg s ^-1。对于填充因子f =1 和 0.2，我们估计冷气的总体积介于 (0.2–1.2) נ10 ¹⁰ pc ^{3 之间}，而热气的总体积介于 (1.0–5) נ10 ⁷ pc ³之间。对于电子密度为 0.017–0.04 cm ^{-3 的情况}，这些体积导致冷气体的总热能介于 (1.4–3) נ10 ⁵⁴ erg之间，而热气体的总热能介于 (1.7–4) נ10 ⁵³ erg 之间0.12–0.3 cm ^{-3 的}电子密度. 这分别产生了 (1.5-3)נ10 ⁸ yr 和 (1.8-6)נ10 ⁷ yr的冷和热气体的冷却时间尺度。