Constraints on primordial black holes from the interstellar dust temperature in the Galaxy

被引：0
|
作者：
Melikhov, A. N. [1 ]
Mikheeva, E., V [2 ]
机构：
[1] PN Lebedev Phys Inst, Leninsky Prospekt 53, Moscow 119991, Russia
[2] PN Lebedev Phys Inst, Astro Space Ctr, Profsoyusnaya 84-32, Moscow 117997, Russia
来源：
PHYSICAL REVIEW D | 2023年 / 107卷 / 06期
关键词：
GRAVITATIONAL-WAVES; DARK-MATTER; EVAPORATION; UNIVERSE;
D O I：
10.1103/PhysRevD.107.063535
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The photons emitted by primordial black holes (PBHs) can be a heating factor for interstellar dust. Assuming that dust in the Galaxy has a homogeneous distribution and that PBHs have the same distribution as dark matter (DM), we constrain the fraction of PBHs in DM from the observational dust temperature in the Galaxy.
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页数：5
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