Free-floating planets in the Milky Way

被引：3
|
作者：
Hamolli, L. [1 ,2 ]
Hafizi, M. [1 ,2 ]
De Paolis, F. [3 ,4 ]
Nucita, A. A. [3 ,4 ]
机构：
[1] Univ Tirana, Dept Phys, Tirana, Albania
[2] Univ Tirana, Dept Phys, Tirana, Albania
[3] Univ Salento, Dept Math & Phys Ennio De Giorgi, I-73100 Lecce, Italy
[4] INFN, Sez Lecce, CP 193, I-73100 Lecce, Italy
来源：
ARABIAN JOURNAL OF MATHEMATICS | 2019年 / 8卷 / 04期
关键词：
85-xx; 85-08; MASS; POPULATION; ASTROMETRY; MACHOS; SEARCH; STAR; LENS;
D O I：
10.1007/s40065-019-0267-3
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
Gravitational microlensing is a powerful method to search for and characterize exoplanets, and it was first proposed by Paczynski in 1986. We provide a brief historical excursus of microlensing, especially focused on the discoveries of free-floating planets (FFPs) in the Milky Way. We also emphasize that, thanks to the technological developments, it will allow to estimate the physical parameters (in particular the mass and distance) of FFPs towards the center of our Galaxy, through the measure of the source finite radius, Earth or satellite parallax, and/or astrometric effects.
引用
收藏
页码：305 / 313
页数：9
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