SN 2021hpr

SN 2021hpr
	該超新星位於漩渦星系NGC 3147中
事件類型	Ia超新星
日期	2021年4月2日
星座	天龍座
赤经	10h 16m 38.620s
赤纬	+73° 24′ 01.80″
曆元	J2000
距離	45 Mpc
所在星系	NGC 3147（英语：NGC 3147）
前身星	雙星
峰值视星等	13.8

SN 2021hpr 是一個位於天龍座的Ia超新星，位於旋渦星系NGC 3147（英语：NGC 3147）中，距地球約45Mpc。^[3]該超新星於2021年4月2日由業餘天文學家板垣公一報告。^[4] 該超新星的爆發源很可能為一個雙星系統中的其中一顆恆星，該系統中的兩顆恆星之間的距離約為15.84AU。^[5]

A SN2021hpr的光變曲線，顯示了該天體在可見光與近紅外光波段的亮度，改編自Barna *et al*. (2023)^[6]

該超新星產生的膨脹火球較為均勻，可能是由於超新星的噴出物與雙星系統中的另一顆恆星與富含金屬的星周塵產生相互作用而導致的^[5]^[7]。

參考

^ ^1.0 ^1.1 SN 2021hpr. Transient Name Server. IAU. [18 May 2025].
^ Bishop, David. Bright Supernovae - SN 2021hpr. Rochester Astronomy. [18 May 2025].
^ Lim, Gu; Im, Myungshin; Paek, Gregory S. H.; Yoon, Sung-Chul; Choi, Changsu; Kim, Sophia; Wheeler, J. Craig; Thomas, Benjamin P.; Vinkó, Jozsef; Kim, Dohyeong; Seo, Jinguk. The Early Light Curve of the Type Ia Supernova 2021hpr in NGC 3147: Progenitor Constraints with the Companion Interaction Model. The Astrophysical Journal. May 2023, 949 (1): 33. Bibcode:2023ApJ...949...33L. ISSN 0004-637X. arXiv:2303.05051 . doi:10.3847/1538-4357/acc10c  （英语）.
^ Itagaki, K. Transient Discovery Report for 2021-04-02. Transient Name Server Discovery Report. April 2021, (2021–998) [16 May 2025].
^ ^5.0 ^5.1 Iskandar, Abdusamatjan; Wang, Xiaofeng; Esamdin, Ali; Zeng, Xiangyun; Pellegrino, Craig; Yan, Shengyu; Liu, Jialian; Filippenko, Alexei V.; Howell, D. Andrew; McCully, Curtis; Brink, Thomas G. SN 2021hpr: A Normal Type Ia Supernova Showing Excess Emission in the Early Rising Phase. The Astrophysical Journal. 2025-05-08, 984 (2): 160. Bibcode:2025ApJ...984..160I. ISSN 0004-637X. arXiv:2503.02257 . doi:10.3847/1538-4357/adb3a4  （英语）.
^ Barna, B.; Nagy, A. P.; Bora, Zs.; Czavalinga, D. R.; Könyves-Tóth, R.; Szalai, T.; Székely, P.; Zsíros, Sz.; Bánhidi, D.; Bíró, I. B.; Csányi, I.; Kriskovics, L.; Pál, A.; Szabó, Zs. M.; Szakáts, R.; Vida, K.; Bodola, Zs.; Vinkó, J. Three is the magic number: Distance measurement of NGC 3147 using SN 2021hpr and its siblings (PDF). Astronomy & Astrophysics. September 2023, 677: A183 [16 May 2025]. Bibcode:2023A&A...677A.183B. arXiv:2307.01290 . doi:10.1051/0004-6361/202346395.
^ Zhang, Yu; Zhang, Tianmeng; Danzengluobu; Li, Zhitong; Zhao, Pinsong; Zhang, Bingqing; Du, Lin; Zhu, Yinan; Wu, Hong. Optical Observations of the Nearby Type Ia Supernova 2021hpr. Publications of the Astronomical Society of the Pacific. 2022-07-01, 134 (1037): 074201. Bibcode:2022PASP..134g4201Z. ISSN 0004-6280. arXiv:2207.08395 . doi:10.1088/1538-3873/ac7583.

[TNS-1] 1.0 ^1.1 SN 2021hpr. Transient Name Server. IAU. [18 May 2025].

[2] Bishop, David. Bright Supernovae - SN 2021hpr. Rochester Astronomy. [18 May 2025].

[3] Lim, Gu; Im, Myungshin; Paek, Gregory S. H.; Yoon, Sung-Chul; Choi, Changsu; Kim, Sophia; Wheeler, J. Craig; Thomas, Benjamin P.; Vinkó, Jozsef; Kim, Dohyeong; Seo, Jinguk. The Early Light Curve of the Type Ia Supernova 2021hpr in NGC 3147: Progenitor Constraints with the Companion Interaction Model. The Astrophysical Journal. May 2023, 949 (1): 33. Bibcode:2023ApJ...949...33L. ISSN 0004-637X. arXiv:2303.05051 . doi:10.3847/1538-4357/acc10c  （英语）.

[Itagaki2021-4] Itagaki, K. Transient Discovery Report for 2021-04-02. Transient Name Server Discovery Report. April 2021, (2021–998) [16 May 2025].

[:0-5] 5.0 ^5.1 Iskandar, Abdusamatjan; Wang, Xiaofeng; Esamdin, Ali; Zeng, Xiangyun; Pellegrino, Craig; Yan, Shengyu; Liu, Jialian; Filippenko, Alexei V.; Howell, D. Andrew; McCully, Curtis; Brink, Thomas G. SN 2021hpr: A Normal Type Ia Supernova Showing Excess Emission in the Early Rising Phase. The Astrophysical Journal. 2025-05-08, 984 (2): 160. Bibcode:2025ApJ...984..160I. ISSN 0004-637X. arXiv:2503.02257 . doi:10.3847/1538-4357/adb3a4  （英语）.

[Barna2021-6] Barna, B.; Nagy, A. P.; Bora, Zs.; Czavalinga, D. R.; Könyves-Tóth, R.; Szalai, T.; Székely, P.; Zsíros, Sz.; Bánhidi, D.; Bíró, I. B.; Csányi, I.; Kriskovics, L.; Pál, A.; Szabó, Zs. M.; Szakáts, R.; Vida, K.; Bodola, Zs.; Vinkó, J. Three is the magic number: Distance measurement of NGC 3147 using SN 2021hpr and its siblings (PDF). Astronomy & Astrophysics. September 2023, 677: A183 [16 May 2025]. Bibcode:2023A&A...677A.183B. arXiv:2307.01290 . doi:10.1051/0004-6361/202346395.

[7] Zhang, Yu; Zhang, Tianmeng; Danzengluobu; Li, Zhitong; Zhao, Pinsong; Zhang, Bingqing; Du, Lin; Zhu, Yinan; Wu, Hong. Optical Observations of the Nearby Type Ia Supernova 2021hpr. Publications of the Astronomical Society of the Pacific. 2022-07-01, 134 (1037): 074201. Bibcode:2022PASP..134g4201Z. ISSN 0004-6280. arXiv:2207.08395 . doi:10.1088/1538-3873/ac7583.

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