Young, blue, and isolated stellar systems in the Virgo Cluster. I. 2-D Optical spectroscopy
arXiv:2206.13971 · doi:10.3847/1538-4357/ac7c6d
Abstract
We use panoramic optical spectroscopy obtained with MUSE@VLT to investigate the nature of five candidate extremely isolated low-mass star forming regions (Blue Candidates, BCs hereafter) toward the Virgo cluster of galaxies. Four of the five (BC1, BC3, BC4, BC5) are found to host several HII regions and to have radial velocities fully compatible with being part of the Virgo cluster. All the confirmed candidates have mean metallicity significantly in excess of that expected from their stellar mass, indicating that they originated from gas stripped from larger galaxies. In summary, these four candidates share the properties of the prototype system SECCO 1, suggesting the possible emergence of a new class of stellar systems, intimately linked to the complex duty cycle of gas within clusters of galaxies. A thorough discussion on the nature and evolution of these objects is presented in a companion paper, where the results obtained here from MUSE data are complemented with Hubble Space Telescope (optical) and Very Large Array (HI) observations.
arXiv commentaccepted for publication by ApJ. Latex. 16 pages, 8 color figures
References in corpus (43)
- Star Formation in Galaxies Along the Hubble Sequence
- The Dust Content and Opacity of Actively Star-Forming Galaxies
- Theoretical Modeling of Starburst Galaxies
- [O III]/[N II] as an Abundance Indicator at High Redshift
- The ACS Virgo Cluster Survey. XIII. SBF Distance Catalog and the Three-Dimensional Structure of the Virgo Cluster
- The O3N2 and N2 abundance indicators revisited: improved calibrations based on CALIFA and Te-based literature data
- Ram Pressure Stripping in High-Density Environments
- MUSE sneaks a peek at extreme ram-pressure stripping events. I. A kinematic study of the archetypal galaxy ESO137-001
- The effect of ram pressure on the star formation, mass distribution and morphology of galaxies
- Transformation of a Virgo Cluster Dwarf Irregular Galaxy by Ram Pressure Stripping: IC3418 and its Fireballs
- News from the Galactic suburbia: the chemical composition of the remote globular cluster NGC 2419
- The GALEX Ultraviolet Virgo Cluster Survey (GUViCS). IV: The role of the cluster environment on galaxy evolution
- MUSE sneaks a peek at extreme ram-pressure stripping events. II. The physical properties of the gas tail of ESO137-001
- The Extended Virgo Cluster Catalog
- ALFALFA Discovery of the Nearby Gas-Rich Dwarf Galaxy Leo P. I. HI Observations
- GASP XIII. Star formation in gas outside galaxies
- Leo P: An Unquenched Very Low-Mass Galaxy
- Isolated Star Formation: A Compact HII Region in the Virgo Cluster
- A Catalog of Ultra-compact High Velocity Clouds from the ALFALFA Survey: Local Group Galaxy Candidates?
- The ALFALFA "Almost Darks" Campaign: Pilot VLA HI Observations of Five High Mass-to-Light Ratio Systems
- Constraining the ages of the fireballs in the wake of the dIrr galaxy VCC1217 / IC3418
- Spectroscopy of two PN candidates in IC10
- The GALFA-HI Compact Cloud Catalog
- Kinematics and excitation of the ram pressure stripped ionized gas filaments in the Coma cluster of galaxies
- A Comprehensive Archival Search for Counterparts to Ultra-Compact High Velocity Clouds: Five Local Volume Dwarf Galaxies
- Two Local Volume Dwarf Galaxies Discovered in 21 cm Emission: Pisces A and B
- A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE).X. Formation of a red ultra-diffuse galaxy and an almost dark galaxy during a ram-pressure stripping event
- Mass-metallicity relation of dwarf galaxies and its dependency on time: clues from resolved systems and comparison with massive galaxies
- Alone on a wide wide sea. The origin of SECCO 1, an isolated star-forming gas cloud in the Virgo cluster
- The StEllar Counterparts of COmpact high velocity clouds (SECCO) survey. I. Photos of ghosts
- Hydrodynamic simulations of an isolated star-forming gas cloud in the Virgo cluster
- Spectroscopy of the Young Stellar Association Price-Whelan 1: Origin in the Magellanic Leading Arm and Constraints on the Milky Way Hot Halo
- Predicted Sizes of Pressure-Supported HI Clouds in the Outskirts of the Virgo Cluster
- A very dark stellar system lost in Virgo: kinematics and metallicity of SECCO1 with MUSE
- Hubble Space Telescope Imaging of the Ultra-Compact High Velocity Cloud AGC 226067: A stripped remnant in the Virgo Cluster
- AGC 226067: A possible interacting low-mass system
- A Nascent Tidal Dwarf Galaxy Forming within the Northern HI Streamer of M82
- Hubble Space Telescope Imaging of Isolated Local Volume Dwarfs GALFA-Dw3 and Dw4
- AGC 226178 and NGVS 3543: Two deceptive dwarfs towards Virgo
- Heavy elements unveil the non primordial origin of the giant HI ring in Leo
- The StEllar Counterparts of COmpact high velocity clouds (SECCO) survey. II. Sensitivity of the survey and an Atlas of Synthetic Dwarf Galaxies
- Young stars raining through the Galactic Halo: the nature and orbit of Price-Whelan 1
- Gaseous nebulae and massive stars in the giant HI ring in Leo