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Related papers: A fresh view on Henize 2-10 with VLT/NAOS-CONICA

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VLA radio continuum imaging reveals compact (<8 pc) ~1 mJy radio sources in the central 5" starburst region of the blue compact galaxy Henize 2-10. We interpret these radio knots as extremely young, ultra-dense HII regions. We model their…

Astrophysics · Physics 2009-10-31 Henry A. Kobulnicky , Kelsey E. Johnson

A candidate accreting massive black hole (BH) with M_BH ~ 10^6 Msun has recently been identified at the center of the dwarf starburst galaxy Henize 2-10 (He 2-10). This discovery offers the first possibility of studying a growing BH in a…

Astrophysics of Galaxies · Physics 2015-06-04 Amy E. Reines , Adam T. Deller

We investigate the structure and nuclear region of the black hole (BH) hosting galaxy Henize2-10. Surface brightness (SB) profiles are analyzed using Magellan/Megacam $g$- and $r$-band images. Excluding the central starburst, we find a…

Astrophysics of Galaxies · Physics 2015-06-22 Dieu D. Nguyen , Anil C. Seth , Amy E. Reines , Mark den Brok , David Sand , Brian McLeod

Henize 2-10 (He 2-10) is a nearby (D = 9 Mpc) starbursting blue compact dwarf galaxy that boasts a high star formation rate and a low luminosity AGN. He 2-10 is also one of the first galaxies in which embedded superstar clusters (SSCs) were…

Astrophysics of Galaxies · Physics 2021-09-22 Allison H Costa , Kelsey E. Johnson , Remy Indebetouw , Molly K. Finn , Crystal L. Brogan , Amy Reines

We present high spectral resolution (v~12-16 km/s) Brackett line spectroscopy of the blue compact dwarf galaxy Henize 2-10 made with NIRSPEC on the Keck Telescope. The spatial resolution is seeing limited, at 1". We detect two distinct…

Astrophysics · Physics 2008-11-26 Alaina L. Henry , Jean L. Turner , Sara C. Beck , Lucian P. Crostwaite , David S. Meier , ;

Henize 2-10 is a dwarf starburst galaxy hosting a $\sim10^{6}~M_{\odot}$ black hole (BH) that is driving an ionized outflow and triggering star formation within the central $\sim100$ pc of the galaxy. Here we present ALMA continuum…

Astrophysics of Galaxies · Physics 2024-01-08 Hansung B. Gim , Amy E. Reines

We present observations from our continuing studies of the earliest stages of massive star cluster evolution. In this paper, radio observations from the Very Large Array at 0.7cm, 1.3cm, 2cm, 3.6cm, and 6cm are used to map the radio…

Astrophysics · Physics 2009-11-10 Kelsey E. Johnson , Henry A. Kobulnicky

We present follow-up X-ray observations of the candidate massive black hole (BH) in the nucleus of the low-mass, compact starburst galaxy Henize 2-10. Using new high-resolution observations from the Chandra X-ray Observatory totaling 200 ks…

High Energy Astrophysical Phenomena · Physics 2016-10-26 Amy Reines , Mark Reynolds , Jon Miller , Gregory Sivakoff , Jenny Greene , Ryan Hickox , Kelsey Johnson

We present ALMA observations of the dwarf starburst galaxy Henize 2-10 in combination with previous SMA CO observations to probe the molecular environments of natal super star clusters. These observations include the HCO$^+$(1-0), HCN(1-0),…

We present new ${ }^{12}$CO(J=1-0) observations of Henize 2-10, a blue compact dwarf galaxy about 8.7 Mpc away, taken with the Atacama Large Millimeter Array. These are the highest spatial and spectral resolution observations, to date, of…

Astrophysics of Galaxies · Physics 2019-05-29 Nia Imara , Christopher M. Faesi

The supernova remnant (SNR) G25.1-2.3 was identified in the radio band during the Sino-German $\lambda$6 cm survey of the Galactic plane. We present a detailed investigation of the optical, HI, and CO emission towards the G25.1-2.3 to…

High Energy Astrophysical Phenomena · Physics 2026-04-06 Ebru Aktekin , Hicran Bakış , Volkan Bakış , Yuya Asano , Hidetoshi Sano , Yasuo Fukui , Aytap Sezer

We present full Stokes MeerKAT L band (856--1712\,MHz) observations of \chg{36} high latitude supernova remnants. Sensitive, high dynamic range images show a wealth of structure. G15.1$-$1.6 appears to be an HII region rather than an SNR.…

High Energy Astrophysical Phenomena · Physics 2023-11-22 William Cotton , R. Kothes , F. Camilo , P. Chandra , S. Buchner , M. Nyamai

A 5$^{\circ}$ $\times$ 7$^{\circ}$ sky area containing two large radio structures of G203.1+6.6 and G206.7+5.9 with a size of about 2.5$^{\circ}$ and 3.5$^{\circ}$ respectively is scanned by using the L-band 19-beam receiver of the…

Astrophysics of Galaxies · Physics 2022-12-01 X. Y. Gao , W. Reich , X. H. Sun , H. Zhao , Tao Hong , Z. S. Yuan , P. Reich , J. L. Han

We have imaged a 1 deg^2 field centered on the known Galactic supernova remnant (SNR) G11.2-0.3 at 74, 330, and 1465 MHz with the Very Large Array radio telescope (VLA) and 235 MHz with the Giant Metrewave Radio Telescope (GMRT). The 235,…

We present the discovery of a powerful candidate microquasar in NGC 300, associated with the S 10 optical nebula (previously classified as a supernova remnant). Chandra images show four discrete X-ray knots aligned in the plane of the sky…

High Energy Astrophysical Phenomena · Physics 2018-10-24 R. Urquhart , R. Soria , M. W. Pakull , J. C. A. Miller-Jones , G. E. Anderson , R. M. Plotkin , C. Motch , T. J. Maccarone , A. F. McLeod , S. Scaringi

To better understand the early stages of massive star cluster evolution we have obtained J,H,K', and N (10.8 micron) images of the nuclear region of the starburst galaxy He 2-10. The N-band images were obtained with the Gemini North…

Astrophysics · Physics 2009-11-07 William D. Vacca , Kelsey E. Johnson , Peter S. Conti

We study the physical and dynamical properties of the ionized gas in the prototypical HII galaxy Henize 2-10 using MUSE integral field spectroscopy. The large scale dynamics is dominated by extended outflowing bubbles, probably the results…

The rate of star formation both in the Galaxy and in external galaxies should be related to the physical properties of the molecular clouds from which stars form. This is expected for the starbursts found both in irregular galaxies and in…

Astrophysics of Galaxies · Physics 2015-05-13 G. Santangelo , L. Testi , L. Gregorini , S. Leurini , L. Vanzi , C. M. Walmsley , D. J. Wilner

Hyperfine structure lines of highly-charged ions may open a new window in observations of hot rarefied astrophysical plasmas. In this paper we discuss spectral lines of isotopes and ions abundant at temperatures 10^5-10^7 K, characteristic…

Astrophysics · Physics 2010-11-11 R. A. Sunyaev , D. Docenko

We present new near-IR long slit spectroscopic data obtained with ISAAC on VLT/ANTU (ESO/Paranal) of the central 4''x 4'' region surrounding the central engine of NGC1068 . Bracket Gamma (Bg) and H2 emission line maps and line profile grids…

Astrophysics · Physics 2009-11-07 Emmanuel Galliano , Danielle Alloin
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