The Low-Luminosity Afterglow Gamma-ray Bursts
The Low Luminosity Afterglow (LLA) gamma-ray bursts (GRBs) are characterized by their very intrinsically faint X-ray afterglows. They represent 12% of the long (of duration more than 2s) GRBs (lGRBs) with measured redshift. They are on average closer than the other IGRBs and their distribution is not affected by the gas and dust from our and host galaxies, and we detect jet breaks in some cases. We explore the environments of the LLA GRBs in the light of the closure relations, both in the X-ray and in the optical bands. We have also studied the host galaxy environment. We show that the prompt properties of LLA GRBs are somewhat different from that of other lGRBs, as shown by their position in the Amati relation. We have computed the volume density of LLA GRBs. Finally, using all these information we purpose an assumption that may be applicable about the origin of GRBs.
Keywords:
X-rays, gamma-ray bursts, compact objects,
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- Yayın Aralığı: Yılda 2 Sayı
- Başlangıç: 2020
- Yayıncı: Türk Astronomi Derneği
Sayıdaki Diğer Makaleler
Hasan H. ESENOĞLU, Irek HAMİTOĞLU, Kadir ULUÇ, Oğuzhan OKUYAN, Murat KOÇAK, Sıla ERYILMAZ KILIÇ, Murat PARMAKSIZOĞLU, Orhan ERECE, Süleyman KAYNAR, Tuncay ÖZIŞIK, Halil KIRBIYIK
Cemile EZER, Esra BÜLBÜL, E. Nihal ERCAN, Tülün ERGİN
Yonca KARSLI, İbrahim KÜÇÜK, İnci AKKAYA ORALHAN, Raul Michel MURILLO, Ferhat Fikri ÖZEREN
Nazım AKSAKER, Sinan Kaan YERLİ, Mehmet Akif ERDOĞAN, Erdem ERDİ, Kazım KABA, Tansel AK, Zeki ASLAN, Volkan BAKIŞ, Osman DEMİRCAN, Zeki EKER, Serdar EVREN, Varol KESKİN, İbrahim KÜÇÜK, Tuncay ÖZDEMİR, Tuncay ÖZIŞIK, Selim Osman SELAM