2015MNRAS.449.4071M


C.D.S. - SIMBAD4 rel 1.7 - 2021.06.14CEST10:31:33

2015MNRAS.449.4071M - Mon. Not. R. Astron. Soc., 449, 4071-4078 (2015/June-1)

Oxygen, α-element and iron abundance distributions in the inner part of the Galactic thin disc.

MARTIN R.P., ANDRIEVSKY S.M., KOVTYUKH V.V., KOROTIN S.A., YEGOROVA I.A. and SAVIANE I.

Abstract (from CDS):

We derived elemental abundances in 27 Cepheids, the great majority situated within a zone of Galactocentric distances ranging from 5 to 7 kpc. One star of our sample, SU Sct, has a Galactocentric distance of about 3 kpc, and thus falls in a poorly investigated region of the inner thin disc. Our new results, combined with data on abundances in the very central part of our Galaxy taken from the literature, show that iron, magnesium, silicon, sulphur, calcium and titanium local thermodynamic equilibrium abundance radial distributions, as well as non-local thermodynamic equilibrium distribution of oxygen reveal a plateau-like structure or even positive abundance gradient in the region extending from the Galactic Centre to about 5 kpc.

Abstract Copyright: © 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): stars: abundances - stars: variables: Cepheids - Galaxy: abundances - Galaxy: evolution

Simbad objects: 31

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Number of rows : 31

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 V* TV CMa cC* 07 09 15.4113468927 -13 47 09.919739837   11.58 10.59     F5 74 0
2 V* SS CMa cC* 07 26 07.1974608016 -25 15 26.439068915   10.99 9.84     ~ 95 0
3 V* EK Pup cC* 07 41 49.7231043968 -25 02 30.448624645   11.39 10.69     ~ 37 0
4 V* WY Pup cC* 07 58 05.1408749359 -24 02 30.359873208   11.61 10.87     F7 62 0
5 V* AG Cru cC* 12 41 26.0296377255 -59 47 39.039228681 8.92 9.050 8.265   7.356 F8Ib/II 117 0
6 V* X Cru cC* 12 46 22.2789674072 -59 07 29.014282694   8.97 8.10     G0/2Ib 82 0
7 V* V340 Ara cC* 16 45 19.1122888146 -51 20 33.394152547   11.39 10.03     ~ 69 0
8 V* KQ Sco cC* 16 51 38.5473466715 -45 25 36.105341336 12.37 10.69 9.31     K7 121 0
9 ASAS J171305-4323.0 Ce* 17 13 05.3 -43 23 01           ~ 3 0
10 V* V470 Sco cC* 17 17 25.4654724020 -37 19 07.798432454   13.00 11.06   8.237 ~ 33 0
11 NAME Galactic Center gam 17 45 39.60213 -29 00 22.0000           ~ 12252 0
12 NAME Arches Cluster Cl* 17 45 50.5 -28 49 28           ~ 663 0
13 NAME Quintuplet Cluster OpC 17 46 13.9 -28 49 48           ~ 473 0
14 V* V773 Sgr cC* 17 54 17.6014567809 -26 45 29.567460467   14.64 12.33   9.575 ~ 34 0
15 V* CR Ser cC* 18 10 02.1321123582 -13 32 45.475786862   12.90 10.84     G5 61 0
16 V* V1954 Sgr cC* 18 15 26.2657709713 -20 37 46.354337942   12.28 10.83     K 34 0
17 V* V5567 Sgr cC* 18 21 05.5355836405 -18 27 19.735820792   11.93 10.69 9.749 9.12 ~ 7 0
18 V* AY Sgr cC* 18 23 19.1499153698 -18 34 29.191214517   11.99 10.49 9.62 9.052 F6 71 0
19 V* X Sct cC* 18 31 19.7479880040 -13 06 29.431188900   11.58 10.07 9.99 8.638 G5III 87 0
20 V* Y Sct cC* 18 38 03.3063888003 -08 22 08.162027440   11.2 9.69     F7 118 0
21 V* CK Sct cC* 18 41 00.6632019519 -06 05 50.009798102   12.59 10.72     G 66 0
22 V* AA Ser cC* 18 41 21.7624827648 -01 06 40.403194219   14.54 12.09   9.572 K5 50 0
23 V* RU Sct cC* 18 41 56.3817508914 -04 06 38.375080426   10.17 8.82     G5 186 0
24 V* TY Sct cC* 18 42 07.9138178608 -04 17 36.534181571   13.07 11.00   8.829 F8 87 0
25 V* CM Sct cC* 18 42 26.8208730944 -05 20 27.045721232   11.93 10.93   9.406 ~ 73 0
26 V* CN Sct cC* 18 42 30.4903731576 -04 19 50.353845403   14.58       ~ 38 0
27 BD-04 4569 Ce* 18 44 42.5551277556 -04 01 26.446862570   11.64 10.09     ~ 5 0
28 V* BX Sct cC* 18 50 09.2370270825 -04 22 05.210846612   14.23 12.27   9.723 F6 44 0
29 V* SU Sct cC* 18 52 52.1084820364 -12 30 35.473574499     13.60   12.583 ~ 19 0
30 V* V1033 Cyg cC* 20 05 20.6649447517 +32 39 32.808489230     12.60 12.59   ~ 31 0
31 NAME Galactic Bar reg ~ ~           ~ 984 0

    Equat.    Gal    SGal    Ecl

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2021.06.14-10:31:33

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