Constraints on the Evolution of Luminous Compact Blue Galaxies from HI Observations

Details Constraints on the Evolution of Luminous Compact Blue Galaxies from HI Observations Constraints on the Evolution of Luminous Compact Blue Galaxies from HI Observations

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...21114115p&link_type=abstract

American Astronomical Society, AAS Meeting #211, #141.15; Bulletin of the American Astronomical Society, Vol. 39, p.993

Astronomy and Astrophysics

Astronomy

Scientific paper

Luminous Compact Blue Galaxies (LCBGs) are common at z 1, contributing 40% of the total star formation rate density athig that time, but are a factor of ten rarer by the present day. While we know that LCBGs are rapidly evolving, we do not know what drives their evolution or into what type of galaxy they evolve. We present original and archival HI data from Arecibo, the Green Bank Telescope (GBT), Nancay, and Parkes for a sample of local analogs to the intermediate redshift LCBGs. These data provide us with a measure of the fuel for future star formation and the dynamical masses of LCBGs; information that we can not currently obtain for z 1 LCBGs. The data reveal that LCBGs are a diverse collection of galaxies. LCBGs are gas-rich and prolifically forming stars, such that the majority will consume their HI within 5 Gyr. LCBGs have dynamical masses consistent with low-mass galaxies, such as dwarf ellipticals, dwarf irregular or late-type spirals. If intermediate redshift LCBGs have similar physical properties to their local counterparts, then it is unlikely that they will evolve into today's population of massive ellipticals and grand-design spirals nor into dwarf spheroidal galaxies.

Affiliated with

Also associated with

No associations

Rating

Constraints on the Evolution of Luminous Compact Blue Galaxies from HI Observations does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Constraints on the Evolution of Luminous Compact Blue Galaxies from HI Observations, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Constraints on the Evolution of Luminous Compact Blue Galaxies from HI Observations will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1482779