Detecting Black Hole Occultations by Stars with Space Interferometric Telescopes

Abstract

We show that the occultation of Sagittarius A* by stars can be detected with space-based or space-ground very-long-baseline-interferometers (SVLBIs), with an expected event rate that is high due to relativistic precession. We compute the tell-tale signal of an occultation event, and describe methods to flag non-occultation events that can masquerade as the signal.

arXiv commentMatches accepted version

References in corpus (53)

• On the variation of the Initial Mass Function
• First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole
• Monitoring stellar orbits around the Massive Black Hole in the Galactic Center
• First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole
• First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole
• First M87 Event Horizon Telescope Results. V. Physical Origin of the Asymmetric Ring
• The Galactic Center Massive Black Hole and Nuclear Star Cluster
• Closest Star Seen Orbiting the Supermassive Black Hole at the Centre of the Milky Way
• Viewing the Shadow of the Black Hole at the Galactic Center
• First M87 Event Horizon Telescope Results. II. Array and Instrumentation
• First M87 Event Horizon Telescope Results. III. Data Processing and Calibration
• Event-horizon-scale structure in the supermassive black hole candidate at the Galactic Centre
• A geometric distance measurement to the Galactic Center black hole with 0.3% uncertainty
• Stellar Orbits Around the Galactic Center Black Hole
• High Proper Motion Stars in the Vicinity of Sgr A*: Evidence for a Supermassive Black Hole at the Center of Our Galaxy
• The First Measurement of Spectral Lines in a Short-Period Star Bound to the Galaxy's Central Black Hole: A Paradox of Youth
• Black Hole Shadows, Photon Rings, and Lensing Rings
• SINFONI in the Galactic Center: young stars and IR flares in the central light month
• Detection of the Schwarzschild precession in the orbit of the star S2 near the Galactic centre massive black hole
• An Update on Monitoring Stellar Orbits in the Galactic Center
• Testing the No-Hair Theorem with Observations in the Electromagnetic Spectrum: II. Black-Hole Images
• Universal Interferometric Signatures of a Black Hole's Photon Ring
• Shapes and Positions of Black Hole Shadows in Accretion Disks and Spin Parameters of Black Holes
• An Improved Distance and Mass Estimate for Sgr A* from a Multistar Orbit Analysis
• Proxima's orbit around Alpha Centauri
• RadioAstron -- a Telescope with a Size of 300 000 km: Main Parameters and First Observational Results
• Massive perturber-driven interactions of stars with a massive black hole
• A size of ~1 AU for the radio source Sgr A* at the centre of the Milky Way
• Resolved Magnetic-Field Structure and Variability Near the Event Horizon of Sagittarius A*
• 1.3 mm Wavelength VLBI of Sagittarius A*: Detection of Time-Variable Emission on Event Horizon Scales
• Detection of the Intrinsic Size of Sagittarius A* through Closure Amplitude Imaging (includes Online Supporting Material)
• The Distribution of Stars and Stellar Remnants at the Galactic Center
• Sgr A* Companion S0-2: A Probe of Very High-Mass Star Formation
• Metallicity in the Galactic Center: The Quintuplet cluster
• Twelve years of spectroscopic monitoring in the Galactic Center: the closest look at S-stars near the black hole
• The distribution of old stars around the Milky Way's central black hole I: Star counts
• The Nuclear Cluster of the Milky Way: Total Mass and Luminosity (long version)
• The distribution of stars around the Milky Way's black hole III: Comparison with simulations
• Persistent Asymmetric Structure of Sagittarius A* on Event Horizon Scales
• Detection of intrinsic source structure at ~3 Schwarzschild radii with Millimeter-VLBI observations of SAGITTARIUS A*
• The radii and limb darkenings of Alpha Centauri A and B - Interferometric measurements with VLTI/PIONIER
• Simulations of imaging the event horizon of Sagittarius A* from space
• A geometric crescent model for black hole images
• Origin of the S Stars in the Galactic Center
• Ultraviolet Properties of Primeval Galaxies: Theoretical Models from Stellar Population Synthesis
• Close stellar conjunctions of alpha Centauri A and B until 2050 - An mK = 7.8 star may enter the Einstein ring of alpha Cen A in 2028
• Radii of 88 M Subdwarfs and Updated Radius Relations for Low-Metallicity M Dwarf Stars
• The S-Star Cluster at the Center of the Milky Way: On the nature of diffuse NIR emission in the inner tenth of a parsec
• Super-Solar Metallicity Stars in the Galactic Center Nuclear Star Cluster: Unusual Sc, V, and Y Abundances
• Influence of a stellar cusp on the dynamics of young stellar discs and the origin of the S-stars in the Galactic Centre
• The Rotation-Activity Correlations in K and M dwarfs. I. Stellar parameters, compilations of $v\sin i$ and $P/\sin i$ for a large sample of late-K and M dwarfs
• What stellar orbit is needed to measure the spin of the Galactic center black hole from astrometric data?
• Deviation of Stellar Orbits from Test Particle Trajectories Around Sgr A* Due to Tides and Winds

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