A needle in a Haystack:
Finding Exotic Binaries in
Star Clusters
Manuel Pichardo Marcano
Star Clusters
Globular Cluster
Open Cluster
- 100 000 to 1 000 000 stars
- Old stars (age of our Galaxy)
- 100 to 1 000 stars
- Young Stars
Globular Cluster
Globular Cluster
Globular Cluster
NGC 6397
Omega Cen
Imágenes: NASA/ ESA/ STScI
M70
47 tuc
NGC 6752
M22
M92
Stellar Remnants
Old Star Clusters
White Dwarf
White Dwarfs
Mass ~ 1 M☉
Radius ~ 1 R🜨
Radius ~ 1 R🜨
Mass ~ 1 M☉
Radius ~ 1 R🜨
Mass ~ 1 M☉
Radius ~ 10 Km
White Dwarf
Neutron Star
Compact Objects
Stellar Remnants
Old Star Clusters
Life Cycles of Stars
Life Cycles of Stars
Life Cycles of Stars
Interactions
Compact Binaries
R. Hynes
Compact Object and "Normal" star
Compact Binaries
R. Hynes
X-ray
Compact Object
Space Telescopes
Space Telescopes
Hubble Space Telescope
Chandra
Hubble Space Telescope
Hubble Space Telescope
Finding Compact Binaries in GCs
HST Optical (3' x 2')
NASA, T. Brown and S. Casertano (STScI)
HST NUV (2.7' x 2.7')
Dieball et. al (2016)
Chandra (3.65 ' x 3.65')
NASA/CXC
Look in the X-ray
Finding Compact Binaries in GCs
Color-Magnitude Diagram
Lugger et. al (2017)
Hα Excess
Cataclysmic Variables
Hα deficiency
Brighter
Bluer <---> Redder
Mark A. Garlick
White Dwarf Sequence
Main Sequence
White Dwarf
Solar-like Star
X-ray Binaries
Credits: NASA/Rivera Sandoval
Text
Neutron Star
Neutron Star
White Dwarf
White Dwarf
Neutron Star Binaries
Credit: Roen Kelly/Discover
Main et al 2018 (Nature)
Redback 'spider' Pulsar
Redback Pulsar
A new candidate Redback Pulsar
HUGS catalogue. (Piotto et al. 2015, Nardiello et al. 2018)
Pichardo Marcano et. al (2021a)
X-ray
HST F336W
Radio
Zhao et al.(2020)
X-ray Binaries
Credits: NASA/Rivera Sandoval
Text
Neutron Star
Neutron Star
White Dwarf
White Dwarf
Finding Black Holes
Finding Black Holes
Finding Black Holes
Finding Black Holes
Globular Cluster
NGC 6397
Omega Cen
Imágenes: NASA/ ESA/ STScI
M70
47 tuc
NGC 6752
M22
M92
Exotic Binaries Factories
Globular Cluster
NGC 6397
Omega Cen
Imágenes: NASA/ ESA/ STScI
M70
47 tuc
NGC 6752
M22
M92
Exotic Binaries Factories
¡Gracias!
Thank you!
!
Extra
A new candidate Redback Pulsar
Variable
Periodic
Lomb-Scargle periodogram
Pichardo Marcano et. al (2021a)
ExoticBinariesTalkLubbock
By mmarcano22
