S62 and S4711: Indications of a Population of Faint Fast-moving Stars inside the S2 Orbit—S4711 on a 7.6 yr Orbit around Sgr A
We present high-pass filtered NACO and SINFONI images of the newly discovered stars
S4711–S4715 between 2004 and 2016. Our deep H+K-band (SINFONI) and K-band …
S4711–S4715 between 2004 and 2016. Our deep H+K-band (SINFONI) and K-band …
Stellar transits across a magnetized accretion torus as a mechanism for plasmoid ejection
The close neighborhood of a supermassive black hole contains not only the accreting gas
and dust but also stellar-sized objects, such as late-type and early-type stars and compact …
and dust but also stellar-sized objects, such as late-type and early-type stars and compact …
A population of dust-enshrouded objects orbiting the Galactic black hole
The central 0.1 parsecs of the Milky Way host a supermassive black hole identified with the
position of the radio and infrared source Sagittarius A*(refs.,), a cluster of young, massive …
position of the radio and infrared source Sagittarius A*(refs.,), a cluster of young, massive …
A binary system in the S cluster close to the supermassive black hole Sagittarius A
High-velocity stars and peculiar G objects orbit the central supermassive black hole (SMBH)
Sagittarius A*(Sgr A*). Together, the G objects and high-velocity stars constitute the S …
Sagittarius A*(Sgr A*). Together, the G objects and high-velocity stars constitute the S …
S62 on a 9.9 yr Orbit around SgrA
F Peißker, A Eckart, M Parsa - The Astrophysical Journal, 2020 - iopscience.iop.org
We present the Keplerian orbit of S62 around the supermassive black hole Sagittarius
A*(SgrA*) in the center of our Galaxy. We monitor this S-star cluster member over more than …
A*(SgrA*) in the center of our Galaxy. We monitor this S-star cluster member over more than …
The Evaporating Massive Embedded Stellar Cluster IRS 13 Close to Sgr A*. I. Detection of a rich population of dusty objects in the IRS 13 cluster
A detailed analysis of the nuclear star cluster not only concedes the existence of the S
cluster, with its fast-moving stars and the supermassive black hole Sgr A*. It also reveals an …
cluster, with its fast-moving stars and the supermassive black hole Sgr A*. It also reveals an …
The apparent tail of the Galactic center object G2/DSO
Observations of the near-infrared excess object G2/DSO increased attention toward the
Galactic center and its vicinity. The predicted flaring event in 2014 and the outcome of the …
Galactic center and its vicinity. The predicted flaring event in 2014 and the outcome of the …
The Keplerian Three-body Encounter. I. Insights on the Origin of the S-stars and the G-objects in the Galactic Center
Recent spectroscopic analysis has set an upper limit on the age of the S-stars, the∼ 30 B-
type stars in highly eccentric orbits around the supermassive black hole (SMBH) in the …
type stars in highly eccentric orbits around the supermassive black hole (SMBH) in the …
X3: A High-mass Young Stellar Object Close to the Supermassive Black Hole Sgr A
To date, the proposed observation of young stellar objects (YSOs) in the Galactic center still
raises the question of where and how these objects could have formed due to the violent …
raises the question of where and how these objects could have formed due to the violent …
Observation of the Apoapsis of S62 in 2019 with NIRC2 and SINFONI
F Peißker, A Eckart, B Ali - The Astrophysical Journal, 2021 - iopscience.iop.org
Given the increased attention toward the detection of faint stars in the Galactic center, we
would like to address the detectability of S62 in its apoapsis with the Spectrograph for …
would like to address the detectability of S62 in its apoapsis with the Spectrograph for …