2021-W14

# 2104.0174
- https://arxiv.org/abs/2104.01174
- **Probing the X-ray Soft Excess in the Narrow-Line Seyfert-1 (NLS1) Galaxy Tonantzintla S180**
- The soft X-ray excess of the narrow-line Seyfert-1 galaxy Tonantzintla S180 (Ton s180) is studied using the XMM-Newton data. Compared to the single power law model, the two black body model can fit the soft X-ray excess better.
- by **黄健**

# 2104.00063
- https://arxiv.org/abs/2104.00063
- **X-ray spectroscopy of the starburst feedback in 30 Doradus**
- author: Q. Daniel Wang
- The authors use the spatially resovled X-ray spectra derived from 100 ks Suzaku XIS observation of HII region 30 Doradus (a.k.a Tarantula Nebula) to study the starburst feedback. 
- They find that for the giant HII region, both the thermal plasma temperature and foreground X-ray absorption can be well modeled by a log-normal distribution.
- They find a substantial mass-loading from ISM to the hot plasma accounts for ~55% of the measured plasma mass and is consistent with the chemical enrichment prediction.
- Nebula kinetic and thermal energies observed is considerably smaller than the total mechanical energy expected from the feedback of central OB stars, suggesting there exists an important energy loss chanel, maybe the generation of CR or interaction with dust grain.
- They also figure out a non-thermal X-ray component probably reprenting the inverse-Compton sctering of strong stellar light int the nebula.
- ![Doradus](https://leanote.com/api/file/getImage?fileId=606ef0fdab64417465000993)
- by **施方正**

# 2104.02070
- https://arxiv.org/abs/2104.02070
- **The emergence of a new source of X-rays from the binary neutron star merger GW170817**
- 彭宗开 也许可以介绍一下

# 2104.02098
- https://arxiv.org/abs/2104.02098
- **Comprehensive Gas Characterization of a $z= 2.5$ Protocluster: A Cluster Core Caught in the Beginning of Virialization?**
- 胡祯崧 也许可以介绍一下

# 2104.02462
- https://arxiv.org/abs/2104.02462
- **The eROSITA Final Equatorial-Depth Survey (eFEDS): An X-ray bright, extremely luminous infrared galaxy at z = 1.87**
- mentioned by Prof. Li

# 2104.03001
- https://arxiv.org/abs/2104.03001
- **On the origin of the asymmetry of the ejecta structure and explosion of G350.1$-$0.3**
- A 665-yr young SNR revealed to have a highly asymmetric, one-side expansion (a remnant with only one ear? where is the other side?). This paper uses a few methods to measure the gas motion.
- by **周平**
- ……present X-ray analysis of the ejecta of supernova remnant G350.1−0.3 observed with Chandra and Suzaku, and clarify the ejecta's kinematics over a decade and obtain a new observational clue to understanding the origin of the asymmetric explosion. ……strengthen the 'hydrodynamical kick' hypothesis on the origin of the remnant. (by **陈阳**)

# 2104.03278
- https://arxiv.org/abs/2104.03278
- **Accurate X-ray Timing in the Presence of Systematic Biases With Simulation-Based Inference**
- 鲍通 认领

# 2104.02375
- https://arxiv.org/abs/2104.02375
- **A systematic comparison of ionization temperatures between ionizing and recombining plasmas in supernova remnants**
- 张孟飞 认领

# 2104.03145
- https://arxiv.org/abs/2104.03145
- **Isotropic X-ray bound on Primordial Black Hole Dark Matter**
- mentioned by Prof. Li

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