European
Southern
Observatory

ESO — Reaching New Heights in Astronomy

Austria Belgium Czech Republic Denmark Finland France Germany Ireland Italy Netherlands Poland Portugal Spain Sweden Switzerland UK Chile

Details - Investigating Stellar Populations and IMF in Relics

Title Investigating Stellar Populations and IMF in Relics
Version 1
Data Provider/P.I. Chiara Spiniello
Data Collection INSPIRE
Data Release DR3
Submission Date 2023-11-14
Publication Date 2023-11-14
Description Catalogue of the morphological and photometric characteristics, as well as spectroscopic and stellar populations information for each of the galaxy in the sample: spectroscopically confirmed relics in the redshift range 0.1<z<0.5.
Please refer to the full data release description for further information.
Telescope MULTI
Instrument XSHOOTER
Technique of Observation ECHELLE,SLIT,NODDING
Start of Observations 58,779.31 (2019-10-23T21:26:44)
End of Observations 60,001.345 (2023-02-26T21:17:08)
Filter Set/bands
Sky Solid Angle
Number of Records 52
Number of Columns 35
Reference
Acknowledgment Policy Please include the following acknowledgment in any published material that makes use of this data product: Based on data obtained from the ESO Science Archive Facility with DOI: https://doi.org/10.18727/archive/36
Position Name Description Data Type Data Size UCD Physical Unit
1 ID_INSPIRE ID INSPIRE STRING 10 meta.id;meta.main
2 RA_J2000 Spectroscopic target right ascension (J2000.0) DOUBLE 1 pos.eq.ra;meta.main deg
3 DEC_J2000 Spectroscopic target declination (J2000.0) DOUBLE 1 pos.eq.dec;meta.main deg
4 DR INSPIRE Data Release (DR) of the object INT16 1 meta.dataset
5 source_paper Paper computing photometric and structure parameters STRING 9 meta.bib
6 mag_g AB Magnitude in g-band (KiDS) FLOAT 1 phot.mag;em.opt.B mag
7 mag_r AB Magnitude in r-band (KiDS) FLOAT 1 phot.mag;em.opt.R mag
8 mag_i AB Magnitude in i-band (KiDS) FLOAT 1 phot.mag;em.opt.I mag
9 R_median_arcsec Half-light radius in arcseconds FLOAT 1 phys.size.radius arcsec
10 R_median_kpc Half-light radius in kiloparsec FLOAT 1 phys.size.radius kpc
11 n Sersic index. Median of the inferred quantity in g,r,i FLOAT 1 stat.fit
12 q Axis ratio. Median of the inferred quantity in g,r,i FLOAT 1 stat.fit;phys.angSize
13 Mstar_1011 Stellar mass in unit of 10^11 solar masses FLOAT 1 phys.mass solar masses
14 Redshift Redshift of the object FLOAT 1 src.redshift
15 tUniz Age of the Universe at the redshift of the object FLOAT 1 time.age
16 SNR_UVB Integrated signal-to-noise (per AA) of the UVB spectrum FLOAT 1 stat.snr 1/Ang
17 SNR_VIS Integrated signal-to-noise (per AA) of the VIS spectrum FLOAT 1 stat.snr 1/Ang
18 SNR_NIR Integrated signal-to-noise (per AA) of the NIR spectrum FLOAT 1 stat.snr 1/Ang
19 Vdisp Integrated stellar veolocity dispersion INT16 1 phys.veloc.dispersion km/s
20 errVDisp Uncertaintly on the stellar velocity dispersion INT16 1 stat.error;phys.veloc.dispersion km/s
21 MgFe SSP-equivalent [Mg/Fe] from line-indices FLOAT 1 phys.abund dex
22 delta_MgFe Uncertainties on SSP-equivalent [Mg/Fe] (Expression: 0.1) DOUBLE 1 stat.error;phys.abund dex
23 Age_unr Stellar age from ppxf unregularised FLOAT 1 time.age Gyr
24 Age_max Stellar age from ppxf with maximum regularisation FLOAT 1 time.age Gyr
25 delta_age Uncertainty on the stellar age FLOAT 1 stat.error;time.age Gyr
26 Metal_unr Stellar metallicity from ppxf unregularised FLOAT 1 phys.abund.Z dex
27 Metal_rmax Stellar metallicity from ppxf with maximum regularisation FLOAT 1 phys.abund.Z dex
28 Delta_metal Uncertainty on the stellar metallicity FLOAT 1 stat.error;phys.abund.Z dex
29 Frac_M Fraction of stellar mass assembled by z=2 FLOAT 1 phys.mass
30 Delta_Frac_M Uncertainty on the fraction of stellar mass assembled by z=2 FLOAT 1 stat.error;phys.mass
31 t75 Cosmic time at which 75% of the stellar mass was assembled FLOAT 1 time Gyr
32 delta_t75 Uncertainty on t75 FLOAT 1 stat.error;time Gyr
33 tfin Final assembly time FLOAT 1 time Gyr
34 Delta_tfin Uncertainty on the Final assembly time FLOAT 1 stat.error;time Gyr
35 DoR Degree of relicness FLOAT 1 phys