J/A+A/687/A56 AMICO-COSMOS galaxy cluster and group catalogue (Toni, 2024)
AMICO-COSMOS galaxy cluster and group catalogue up to z = 2.
Sample properties and X-ray counterparts.
Toni G., Maturi M., Finoguenov A., Moscardini L., Castignani G.
<Astron. Astrophys. 687, A56 (2024)>
=2024A&A...687A..56T 2024A&A...687A..56T (SIMBAD/NED BibCode)
ADC_Keywords: Clusters, galaxy ; Surveys ; Redshifts ; X-ray sources ; Optical
Keywords: galaxies: clusters: general - galaxies: evolution -
galaxies: groups: general -
galaxies: luminosity function, mass function
Abstract:
We present the results of a new galaxy cluster search in the COSMOS
field obtained using the Adaptive Matched Identifier of Clustered
Objects (AMICO). Our aim was to produce a new cluster and group
catalogue up to z=2 by performing an innovative application of AMICO
with respect to previous successful applications to wide-field surveys
in terms of depth (down to r<26.7), small area covered (∼1.69deg2 of
unmasked effective area), and redshift extent. This sample and the
comparative analysis we performed with the X-rays, allowed for the
calibration of mass-proxy scaling relations up to z=2 and down to
less than 1013M☉, and constitutes the basis for the refinement
of the cluster model for future applications of AMICO, such as the
analysis of upcoming Euclid data. The AMICO algorithm is based on an
optimal linear matched filter and detects clusters in photometric
galaxy catalogues using galaxy location, photometric redshift and, in
the simplest case, one galaxy property. We chose to use a single
magnitude as the galaxy property, avoiding the explicit use of galaxy
colour for the selection of clusters. We used three different
magnitudes by performing three independent runs in the r-, Y-, and
H-bands using both COSMOS2020 and COSMOS2015 galaxy catalogues. We
created a composite visibility mask and cluster models for the signal
to detect, and we estimated the noise directly from the data. We
performed a matching of the catalogues resulting from the three runs
and merged them to produce a final catalogue that contains 1269 and
666 candidate clusters and groups with S/N>3.0 and >3.5, respectively.
A total of 490 candidates are detected in all three runs. Most of the
detections unmatched between runs have S/N<3.5, which can be set as a
threshold for selecting a more robust sample. We assigned X-ray
properties to our detections by matching the catalogue with a public
X-ray selected group sample and by estimating, for unmatched
detections, the X-ray properties at the location of AMICO candidates
using Chandra+XMM-Newton data. There are in total 622 candidate
clusters and groups with an X-ray flux estimate. This large sample of
candidates with X-ray properties allowed the calibration of the
scaling relations between two AMICO mass-proxies (richness and cluster
amplitude) and X-ray mass and the study of their redshift dependence
for the selection of the most stable photometric bands.
Description:
We present the AMICO-COSMOS galaxy cluster and group catalogue
obtained by applying the AMICO algorithm to the recent COSMOS
photometric galaxy catalogues. The final cluster catalogue contains
1269 candidates and it is the result of a 3D matching between three
independent runs performed by using three different photometric bands
(r, Y, H). The catalogue contains also the associated X-ray
properties. The cluster candidate catalogue is accompanied by the list
of associated members for each run and by the full cluster redshift
probability.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
clusters.dat 567 1269 Catalogue of candidate clusters and groups
r-assoc.dat 39 1027156 Galaxy members association in r-run
y-assoc.dat 39 937420 Galaxy members association in Y-run
h-assoc.dat 39 767877 Galaxy members association in H-run
pz-final.dat 10512 1269 Full cluster z probability distributions
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See also:
J/MNRAS/483/3545 : X-ray COSMOS galaxy groups (Gozaliasl+ 2019)
Byte-by-byte Description of file: clusters.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 3 I3 --- ID-r ?=-99 r-run identification number,
-99 if not detected in r-run
5- 14 F10.5 deg RArdeg ?=-99 Right Ascension (J2000) (in r-run)
16- 26 F11.7 deg DErdeg ?=-99 Declination (J2000) (in r-run)
28- 33 F6.2 --- z-r ?=-99 redshift (in r-run)
35- 45 F11.7 --- SN-r ?=-99 signal-to-noise ratio, r.m.s. including
background and cluster contribution
(in r-run)
47- 57 F11.7 --- SN-NC-r ?=-99 signal-to-noise ratio, r.m.s. no
cluster contribution (in r-run)
59- 70 F12.8 --- Amp-r ?=-99 Signal Amplitude (in r-run)
72- 84 F13.9 --- MskFrc-r ?=-99 Fraction of the cluster unaccessible
because of mask (in r-run)
86- 96 F11.6 --- Lamb-r ?=-99 Apparent richness based on galaxy
association probability (in r-run)
98-108 F11.7 --- LambStar-r ?=-99 Intrinsic richness based on galaxy
association probability and
m<mstar+1.5, r<rvir (in r-run)
110-123 F14.10 --- e_z-r ?=-99 1-sigma (lower) uncertainty on redshift
(in r-run)
125-138 F14.10 --- E_z-r ?=-99 1-sigma (upper) uncertainty on redshift
(in r-run)
140-142 I3 --- ID-Y ?=-99 Y-run identification number,
-99 if not detected in Y-run
144-153 F10.5 deg RAYdeg ?=-99 Right Ascension (J2000) (in Y-run)
155-165 F11.7 deg DEYdeg ?=-99 Declination (J2000) (in Y-run)
167-172 F6.2 --- z-Y ?=-99 redshift (in Y-run)
174-184 F11.7 --- SN-Y ?=-99 signal-to-noise ratio, r.m.s. including
background and cluster contribution
(in Y-run)
186-196 F11.7 --- SN-NC-Y ?=-99 signal-to-noise ratio, r.m.s. no
cluster contribution (in Y-run)
198-209 F12.8 --- Amp-Y ?=-99 Signal Amplitude (in Y-run)
211-223 F13.9 --- MskFrc-Y ?=-99 Fraction of the cluster unaccessible
because of mask (in Y-run)
225-235 F11.6 --- Lamb-Y ?=-99 Apparent richness based on galaxy
association probability (in Y-run)
237-247 F11.7 --- LambStar-Y ?=-99 Intrinsic richness based on galaxy
association probability and
m<mstar+1.5, r<rvir (in Y-run)
249-262 F14.10 --- e_z-Y ?=-99 1-sigma (lower) uncertainty on
redshift (in Y-run)
264-277 F14.10 --- E_z-Y ?=-99 1-sigma (upper) uncertainty on
redshift (in Y-run)
279-281 I3 --- ID-H ?=-99 H-run identification number,
-99 if not detected in H-run
283-292 F10.5 deg RAHdeg ?=-99 Right Ascension (J2000) (in H-run)
294-304 F11.7 deg DEHdeg ?=-99 Declination (J2000) (in H-run)
306-311 F6.2 --- z-H ?=-99 redshift (in H-run)
313-323 F11.7 --- SN-H ?=-99 signal-to-noise ratio, r.m.s.
including background and cluster
contribution (in H-run)
325-335 F11.7 --- SN-NC-H ?=-99 signal-to-noise ratio, r.m.s.
no cluster contribution (in H-run)
337-348 F12.8 --- Amp-H ?=-99 Signal Amplitude (in H-run)
350-362 F13.9 --- MskFrc-H ?=-99 Fraction of the cluster unaccessible
because of mask (in H-run)
364-374 F11.6 --- Lamb-H ?=-99 Apparent richness based on galaxy
association probability (in H-run)
376-386 F11.7 --- LambStar-H ?=-99 Intrinsic richness based on galaxy
association probability and
m<mstar+1.5, r<rvir (in H-run)
388-401 F14.10 --- e_z-H ?=-99 1-sigma (lower) uncertainty on
redshift (in H-run)
403-416 F14.10 --- E_z-H ?=-99 1-sigma (upper) uncertainty on
redshift (in H-run)
418-422 I5 --- IDGOZ19 ?=-99 ID number in (2019MNRAS.483.3545G 2019MNRAS.483.3545G,
Cat. J/MNRAS/483/3545) catalogue,
-99 if unmatched
424-440 F17.1 Msun M200 Virial mass (1)
442-458 F17.1 Msun e_M200 Virial mass 1-sigma uncertainty (1)
460-479 E20.5 10-7W Lx X-ray luminosity (1)
481-500 E20.5 10-7W e_Lx X-ray luminosity 1-sigma uncertainty (1)
502-505 F4.2 keV kT ICM kT temperature (1)
507-510 F4.2 keV e_kT ICM kT temperature 1-sigma uncertainty (1)
512-521 E10.5 mW/m2 Flux X-ray flux at 0.5-2 keV (1)
523-532 E10.5 mW/m2 e_Flux X-ray flux 1-sigma uncertainty (1)
534-539 F6.2 --- sigmaFlux X-ray flux significance (1)
541 I1 --- flagSR [0/1] Quality flag for scaling relations
(0: unsafe, 1:safe)
543-545 I3 --- IDZ07 ?=-99 ID number in Zatloukal et al.,
2007A&A...474L...5Z 2007A&A...474L...5Z
([ZRW2007] NN in Simbad)
-99 if unmatched
547-549 I3 --- IDK09 ?=-99 ID number in Knobel et al.,
2009ApJ...697.1842K 2009ApJ...697.1842K, Cat. J/ApJ/697/1842,
([KLI2009] NNN in Simbad)
-99 if unmatched
551-554 I4 --- IDK12 ?=-99 ID number in Knobel et al.,
2012ApJ...753..121K 2012ApJ...753..121K, Cat. J/ApJ/753/121,
([KLI2012] NNNN in Simbad)
-99 if unmatched
556-558 I3 --- IDC14 ?=-99 ID number in Castignani et al.,
2014ApJ...792..114C 2014ApJ...792..114C, -99 if unmatched
560-563 I4 --- IDS21 ?=-99 ID number in Sarron et al.,
2021MNRAS.506.2136S 2021MNRAS.506.2136S, -99 if unmatched
565-567 I3 --- IDI16 ?=-99 ID number in Iovino et al.,
2016A&A...592A..78I 2016A&A...592A..78I, Cat. J/A+A/592/78,
([IPS2016] WNN in Simbad)
-99 if unmatched
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Note (1): X-ray properties from Gozaliasl et al. (2019MNRAS.483.3545G 2019MNRAS.483.3545G,
Cat. J/MNRAS/483/3545) if successfully matched, from this work if unmatched.
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Byte-by-byte Description of file: h-assoc.dat r-assoc.dat y-assoc.dat
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Bytes Format Units Label Explanations
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1- 9 I9 --- Galaxy Galaxy ID number (1)
11- 22 F12.10 --- Pfiled [0/1] Probability to belong to the field
24- 26 I3 --- AssocID Cluster detection ID the galaxy is associated to
(ID-r for r-assoc.dat, ID-Y for y-assoc.dat,
ID-H for h-assoc.dat)
28- 39 F12.10 --- Passoc [0/1] Association probability (2)
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Note (1): Galaxy IDs are repeated for multiple associations.
if GALID<1e7: ID_COSMOS2020 CLASSIC,
if GALID>1e7: ID_COSMOS2015*1000, COSMOS2015 NNNNNNN in Simbad.
Note (2): Association catalogues contain only galaxies associated to at least
one detection with minimum probability 0.005.
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Byte-by-byte Description of file: pz-final.dat
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Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 3 I3 --- ID-r ?=-99 r-run identification number,
-99 if not detected in r-run
5- 3497 A3493 --- PZ-r Vector with cluster P(z) values in r-run between
z=0.015 and z=2.195 with step=0.010
3500- 3502 I3 --- ID-Y ?=-99 Y-run identification number,
-99 if not detected in Y-run
3504- 7007 A3504 --- PZ-Y Vector with cluster P(z) values in Y-run between
z=0.015 and z=2.195 with step=0.010
7008- 7010 I3 --- ID-H ?=-99 H-run identification number,
-99 if not detected in H-run
7012-10512 A3501 --- PZ-H Vector with cluster P(z) values in H-run between
z=0.015 and z=2.195 with step=0.010
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Acknowledgements:
Greta Toni, greta.toni4(at)unibo.it
(End) Patricia Vannier [CDS] 10-Apr-2024