2016MNRAS.456.3899R

Query : 2016MNRAS.456.3899R

2016MNRAS.456.3899R - Mon. Not. R. Astron. Soc., 456, 3899-3914 (2016/March-2)

Red galaxies with pseudo-bulges in the SDSS: closer to disc galaxies or to classical bulges?

RIBEIRO B., LOBO C., ANTON S., GOMES J.M. and PAPADEROS P.

Abstract (from CDS):

Pseudo-bulges are expected to markedly differ from classical quasi-monolithically forming bulges in their star formation history (SFH) and chemical abundance patterns. To test this simple expectation, we carry out a comparative structural and spectral synthesis analysis of 106 red massive galaxies issued from the Sloan Digital Sky Survey (SDSS), sub-divided into bulgeless, pseudo-bulge and classical bulge galaxies according to their photometric characteristics, and further obeying a specific selection to minimize uncertainties in the analysis and ensure an unbiased derivation and comparison of SFHs. Our 2D photometry analysis suggests that discs underlying pseudo-bulges typically have larger exponential scalelengths than bulgeless galaxies, despite similar integral disc luminosities. Spectral synthesis models of the stellar emission within the 3-arcsec SDSS fibre aperture reveal a clear segregation of bulgeless and pseudo-bulge galaxies from classical bulges on the luminosity-weighted planes of age-metallicity and mass-metallicity, though a large dispersion is observed within the two former classes. The secular growth of pseudo-bulges is also reflected upon their cumulative stellar mass as a function of time, which is shallower than that for classical bulges. Such results suggest that the centres of bulgeless and pseudo-bulge galaxies substantially differ from those of bulgy galaxies with respect to their SFH and chemical enrichment history, which likely points to different formation/assembly mechanisms.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2016)

Journal keyword(s): galaxies: bulges - galaxies: evolution - galaxies: general - galaxies: stellar content

VizieR on-line data: <Available at CDS (J/MNRAS/456/3899): tablea1.dat tablea2.dat tablea3.dat tablea4.dat>

Simbad objects: 106

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Number of rows : 106
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 2MASS J00301819-0030079 G 00 30 18.197 -00 30 07.98           ~ 3 0
2 LEDA 1432518 G 01 03 03.5526289608 +13 29 50.395373736           ~ 3 0
3 2MASX J01150028+0001508 GiC 01 15 00.28192 +00 01 51.3693   16.77       ~ 12 0
4 MCG+00-04-074 rG 01 18 34.1439907008 -00 13 41.783267388   15.5       ~ 26 1
5 Z 436-56 G 01 27 25.2019600968 +14 03 16.334460936   15.6       ~ 22 0
6 LEDA 1433323 G 01 43 38.572 +13 31 39.24           ~ 5 0
7 LEDA 1009421 Sy2 02 02 51.965 -08 01 36.39   16.38   15.05   ~ 13 0
8 LEDA 1161340 G 03 30 21.75239 +00 15 47.0388           ~ 10 0
9 LEDA 176585 G 03 43 57.5322669504 +00 26 16.157939964           ~ 11 0
10 LEDA 176676 G 03 50 41.9329524984 +01 02 26.729624580           ~ 15 0
11 SDSS J072403.09+404833.5 G 07 24 03.09017 +40 48 33.4541           ~ 4 0
12 LEDA 2010441 G 07 51 17.07825 +32 44 25.1469           ~ 4 0
13 NVSS J080217+112525 rG 08 02 17.94268 +11 25 35.0834           ~ 6 0
14 SDSS J080441.34+454715.6 G 08 04 41.3306471640 +45 47 15.739806300           ~ 6 0
15 LEDA 1298049 G 08 29 19.82392 +06 17 44.8775           ~ 14 0
16 2MASX J08363964+4715158 G 08 36 39.668 +47 15 15.38           ~ 5 0
17 2MASX J08425133+5255298 LIN 08 42 51.31235 +52 55 30.0063           ~ 7 0
18 LEDA 3380155 G 08 44 34.40242 +46 52 14.0072           ~ 5 0
19 SDSS J085640.72+055235.3 G 08 56 40.72291 +05 52 35.3270           ~ 5 0
20 2MASX J08594688-0000205 Sy2 08 59 46.8783505608 -00 00 20.200081284   16.52   15.16   ~ 26 0
21 Z 90-56 GiG 09 02 22.782 +14 31 31.54   15.5       ~ 29 0
22 2MASX J09315998+5122539 LIN 09 31 59.9584353528 +51 22 54.106449744           ~ 12 0
23 LEDA 2159582 G 09 40 58.94804 +40 02 11.3395           ~ 3 0
24 LEDA 3459791 G 09 42 08.4188196384 +09 43 55.519341924           ~ 4 0
25 LEDA 139220 G 09 51 46.541 +27 32 45.95           ~ 27 0
26 LEDA 1538974 G 09 55 17.4307304688 +17 41 14.644800384           ~ 6 0
27 2MASX J10044175+2821240 LIN 10 04 41.752 +28 21 24.08           ~ 6 0
28 2MASX J10134519-0052384 GiC 10 13 45.1633923360 -00 52 38.003451456   17.574   16.376   ~ 12 0
29 FIRST J101422.6+182650 rG 10 14 22.68379 +18 26 50.5779           ~ 11 0
30 SDSS J102034.05+075106.5 G 10 20 34.0454779848 +07 51 06.560826588           ~ 3 0
31 NVSS J103422+442350 rG 10 34 22.3042603992 +44 23 49.414323156           ~ 13 0
32 NVSS J103544+121545 rG 10 35 43.354 +12 15 18.10           ~ 6 0
33 SDSS J103856.94+254521.9 G 10 38 56.94240 +25 45 21.9645           ~ 2 0
34 LEDA 1538569 G 10 39 57.42454 +17 40 19.4946           ~ 4 0
35 LEDA 1355077 G 10 51 53.1751664592 +08 51 47.743036380           ~ 6 0
36 2MASX J10542609+0039499 Sy2 10 54 26.0856428064 +00 39 49.516594344           ~ 12 0
37 LEDA 1328976 G 11 03 13.2538606416 +07 42 53.650945872           ~ 5 0
38 LEDA 2235295 G 11 06 35.18155 +44 02 48.7931           ~ 6 0
39 2MASX J11083959+0017035 LSB 11 08 39.6202980936 +00 17 03.628516308   14.8   15.003   ~ 14 0
40 LEDA 1634936 G 11 15 54.1639824720 +20 44 38.444967384           ~ 7 0
41 LEDA 1180527 G 11 19 26.8034286768 +00 58 05.136230064   16.658   15.271   ~ 10 0
42 LEDA 1600305 G 11 27 23.89769 +19 38 49.3661           ~ 4 0
43 LEDA 1157926 G 11 28 05.9194106352 +00 07 55.947458640   17.65       ~ 8 0
44 Z 11-112 G 11 30 29.3294204232 +00 29 39.549312312   15.7   14.774   ~ 14 0
45 LEDA 1156834 G 11 35 23.2786533504 +00 05 26.054373552   16.42       ~ 11 0
46 NGC 3750 LIN 11 37 51.63759 +21 58 27.2190   15.2   13.52   ~ 51 1
47 2MASX J11575972+2509312 G 11 57 59.7532737432 +25 09 31.476258324           ~ 4 0
48 LEDA 83530 GiG 12 05 47.648 +33 50 21.97   17.5       ~ 17 0
49 Z 13-96 GiG 12 11 04.0665682200 +00 58 20.359913736   15.1       ~ 41 0
50 LEDA 3550841 G 12 35 24.3600684696 +47 41 20.586365412           ~ 2 0
51 Z 14-90 rG 12 39 01.1252475456 +00 21 56.008505052   14.462   13.182   ~ 54 0
52 Z 15-4 LIN 12 43 06.5085374016 -00 26 16.537773012   15.7   14.219   ~ 18 0
53 LEDA 1127447 G 12 46 01.3814200224 -01 04 23.492913528   17.337   16.069   ~ 6 0
54 Z 15-38 rG 12 55 16.5747970848 +00 14 48.870413844   15.60       ~ 46 0
55 LEDA 1900840 G 12 55 58.8511321008 +30 21 49.210507944           ~ 9 0
56 LEDA 2659955 G 12 58 30.3180997944 +63 42 34.173844200           ~ 3 0
57 LEDA 1368127 G 13 06 43.5445926120 +09 39 11.397250548           ~ 3 0
58 NVSS J130830+503831 rG 13 08 30.786 +50 38 32.06           ~ 21 0
59 NVSS J131139+343812 rG 13 11 38.990 +34 38 11.33   15.87       ~ 18 0
60 SDSS J131659.29+074326.4 G 13 16 59.2912765560 +07 43 26.438856852           ~ 6 0
61 Z 16-60 G 13 21 51.9039497208 +00 08 21.721480008   15.2       ~ 21 0
62 Z 45-35 G 13 36 00.38392 +06 31 33.9185   15.7       ~ 15 0
63 LEDA 2220458 G 13 37 00.58281 +43 25 32.2561           ~ 11 0
64 LEDA 1166282 G 13 37 08.0004180384 +00 27 07.706127456   16.609   15.337   ~ 10 0
65 SDSS J135857.84+581406.9 G 13 58 57.8436665112 +58 14 06.975845700           ~ 8 0
66 LEDA 1125862 G 14 03 42.4963863696 -01 08 14.470538568   16.522   15.333   ~ 6 0
67 LEDA 1158217 G 14 04 07.3960851552 +00 08 38.432139720   16.57       ~ 12 0
68 LEDA 1477809 G 14 05 47.27751 +15 11 38.3489           ~ 3 0
69 LEDA 1135771 G 14 05 53.9224729512 -00 44 43.516739184   16.934   15.641   ~ 10 0
70 2dFGRS TGN272Z010 LIN 14 07 22.0536683256 -01 05 47.010017796   16.743   15.488   ~ 22 0
71 LEDA 1158208 G 14 09 29.476 +00 08 36.60   17.86       ~ 20 0
72 LEDA 1131761 G 14 11 45.465 -00 54 15.80   17.692   16.352   ~ 11 0
73 Z 18-93 GiG 14 15 00.6286623072 -00 47 49.018222428   15.4   14.406   ~ 23 0
74 LEDA 1156939 G 14 17 18.6809222448 +00 05 40.451398152   16.76       ~ 13 0
75 SDSS J142959.62+001201.2 G 14 29 59.6262320736 +00 12 01.207051128   17.72       ~ 12 0
76 LEDA 140350 G 14 43 22.2519849185 +01 05 53.264099989           ~ 33 0
77 NVSS J144718+581330 rG 14 47 18.1917560352 +58 13 33.561680556           ~ 16 0
78 LEDA 1169684 G 14 50 02.1689697528 +00 34 43.602783492           ~ 16 0
79 LEDA 160199 G 14 51 03.9144150024 -00 27 43.992973404   16.683   15.376   ~ 20 0
80 2MASX J14521607-0017365 BiC 14 52 16.0656724968 -00 17 37.060502028   16.04   14.80   ~ 25 0
81 LEDA 1156806 G 14 53 49.0657648680 +00 05 22.775016444           ~ 11 0
82 2MASX J14540366+1824017 LIN 14 54 03.7277119944 +18 24 01.685522088           ~ 8 0
83 2MASX J15044022+0036161 LIN 15 04 40.2169628688 +00 36 16.223671188           ~ 14 0
84 LEDA 1145503 G 15 04 44.1807242856 -00 21 07.077503232   16.64   15.33   ~ 10 0
85 LEDA 1127691 G 15 10 48.5654312568 -01 03 45.022546512   16.70   15.32   ~ 12 0
86 LEDA 2314413 G 15 25 57.84455 +48 17 44.8437           ~ 10 0
87 LEDA 3492988 G 15 32 35.7367657872 +49 23 02.850792684           ~ 5 0
88 NVSS J155153+271431 rG 15 51 53.0541514248 +27 14 33.467571348           ~ 11 0
89 LEDA 1156046 G 15 56 27.5458031088 +00 03 33.287356800           ~ 3 0
90 SDSS J155933.08-010556.1 G 15 59 33.0883486464 -01 05 56.188669452           ~ 1 0
91 LEDA 1153228 G 16 04 53.4030201240 -00 02 50.823572208           ~ 3 0
92 LEDA 1140615 G 16 05 53.8274798472 -00 33 01.600674984           ~ 2 0
93 LEDA 99942 G 16 08 13.06247 +44 09 10.2437           ~ 6 0
94 2MASX J16101209+0047011 LIN 16 10 12.0839202024 +00 47 01.348713564           ~ 15 0
95 2MASS J16115996+3002516 G 16 11 59.970 +30 02 51.66           ~ 4 0
96 LEDA 1175938 G 16 12 20.5825246200 +00 48 17.557953480           ~ 3 0
97 NVSS J161705+112511 rG 16 17 05.55711 +11 25 06.4427           ~ 12 0
98 SDSS J161757.04-002253.2 G 16 17 57.0447562416 -00 22 53.253029208           ~ 3 0
99 SDSS J163019.14+001106.0 G 16 30 19.1427874992 +00 11 06.074094480           ~ 2 0
100 SDSS J163855.82+132327.0 G 16 38 55.8283908072 +13 23 27.086137368           ~ 6 0
101 LEDA 1686485 G 16 55 29.6691191232 +23 23 07.588576932           ~ 4 0
102 LEDA 3412051 LIN 16 57 41.8845691584 +33 55 09.880413492           ~ 3 0
103 LEDA 2676835 G 17 07 14.4558516072 +65 22 00.311758248           ~ 9 0
104 LEDA 1838235 G 17 08 42.0163916712 +28 31 18.141167424           ~ 7 0
105 LEDA 165881 Sy2 21 30 58.103 -07 05 07.91   18.38   14.58   ~ 22 0
106 LEDA 1124735 G 22 19 17.3338011456 -01 11 13.700075640           ~ 5 0

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