Disentangling Nitrogen and Carbon Abundances in Early-Type Galaxies

被引：0
|
作者：
Toloba, Elisa [1 ]
Sanchez-Blazquez, Patricia [2 ,3 ]
Gorgas, Javier [1 ]
Gibson, Brad K. [2 ]
机构：
[1] Univ Complutense Madrid, E-28040 Madrid, Spain
[2] Univ Cent Lancashire, Jeremiah Horrocks Inst, Preston PR1 2HE, Lancs, England
[3] Inst Astrofis Canarias, San Cristobal la Laguna 38205, Spain
来源：
STELLAR POPULATIONS: PLANNING FOR THE NEXT DECADE | 2010年 / 262期
关键词：
galaxies: abundances; galaxies: elliptical and lenticular; cD; galaxies: evolution; STELLAR POPULATIONS; ELLIPTIC GALAXIES; DIFFERENT ENVIRONMENTS; ULTRAVIOLET-SPECTRA; INDEXES; BLUE;
D O I：
10.1017/S1743921310003601
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The near-UV NH3360 feature has been measured in a sample of 35 early-type galaxies in a wide range of masses and environments. We found that, contrary to what is seen with Mg- and C-sensitive Lick-style indices, NH3360 does not vary significantly with galaxy velocity dispersion. When compared with solar-scaled stellar population models N/Fe appears mildly enhanced. We do not detect any difference in the NH3360 index between galaxies in different environments. We outline the important implications of these conclusions for our understanding of the origin of carbon and nitrogen, and the star formation histories of early-type galaxies.
引用
收藏
页码：438 / +
页数：2
相关论文
共 50 条
  • [21] Early-type galaxies in the hierarchical universe
    Baugh, CM
    Cole, S
    Frenk, CS
    Benson, AJ
    Lacey, CG
    STAR FORMATION IN EARLY-TYPE GALAXIES, 1999, 163 : 227 - 242
  • [22] The Central Regions of Early-Type Galaxies
    Jordan, Andres
    IMPACT OF HST ON EUROPEAN ASTRONOMY, 2010, : 95 - 98
  • [23] A SEARCH FOR FEATURES IN EARLY-TYPE GALAXIES
    DJORGOVSKI, S
    EBNETER, K
    IAU SYMPOSIA, 1986, (118): : 277 - 279
  • [24] KINEMATICAL PROPERTIES OF EARLY-TYPE GALAXIES
    CAPACCIOLI, M
    LONGO, G
    ASTRONOMY AND ASTROPHYSICS REVIEW, 1994, 5 (04): : 293 - 331
  • [25] HI observations of early-type galaxies
    del Rio, MS
    Brinks, E
    Carral, P
    Cepa, J
    STAR FORMATION IN EARLY-TYPE GALAXIES, 1999, 163 : 95 - 101
  • [26] Evolution and environment of early-type galaxies
    Bernardi, M
    Nichol, RC
    Sheth, RK
    Miller, CJ
    Brinkmann, J
    ASTRONOMICAL JOURNAL, 2006, 131 (03): : 1288 - 1317
  • [27] Suzaku observations of early-type galaxies
    Matsushita, K.
    Fukazawa, Y.
    Hayashi, K.
    Konami, S.
    Nagino, R.
    Ohashi, T.
    Tawara, Y.
    Tozuka, M.
    HIGHLIGHTS OF ASTRONOMY, VOL 15, 2010, 15 : 274 - 274
  • [28] The Outer Halos of Early-Type Galaxies
    Gerhard, Ortwin
    Arnaboldi, Magda
    Longobardi, Alessia
    GALAXY MASSES AS CONSTRAINTS OF FORMATION MODELS, 2015, 10 (311): : 31 - 35
  • [29] Lopsidedness in early-type disk galaxies
    Rudnick, G
    Rix, HW
    ASTRONOMICAL JOURNAL, 1998, 116 (03): : 1163 - 1168
  • [30] Soft merging in early-type galaxies
    Capaccioli, M
    Longo, G
    Bohm, P
    Richter, G
    D'Onofrio, M
    NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA B-BASIC TOPICS IN PHYSICS, 1997, 112 (2-3): : 243 - 269
12345