J/AJ/136/614 Arp 2 and Ter 8 red giants equivalent widths (Mottini+, 2008)
Arp 2 and Terzan 8: a detailed chemical analysis.
Mottini M., Wallerstein G., McWilliam A.
<Astron. J., 136, 614-620 (2008)>
=2008AJ....136..614M 2008AJ....136..614M
ADC_Keywords: Clusters, globular ; Stars, giant ; Equivalent widths ;
Effective temperatures
Keywords: globular clusters: general -
globular clusters: individual (Arp 2, Terzan 8)
Abstract:
To compare the globular clusters (GCs) associated with the Sagittarius
Galaxy (Sgr) we report the results obtained from new high-resolution
spectra of red giant stars in Terzan 8 and Arp 2, collected with the
Magellan Inamori Kyocera Echelle (MIKE) spectrograph at Las Campanas
Observatory.
Description:
The observations have been carried out at the Las Campanas Observatory
in 2006 July with the Magellan Landon Clay 6.5m telescope. We
collected high-resolution spectra using the Magellan Inamori Kyocera
Echelle (MIKE) spectrograph.
File Summary:
--------------------------------------------------------------------------------
FileName Lrecl Records Explanations
--------------------------------------------------------------------------------
ReadMe 80 . This file
table2.dat 89 5 *Coordinates (J2000), magnitudes, colors,
temperatures from colors, and stellar
parameters of the program stars
table3.dat 53 131 List of FeI and FeII lines adopted in our study
with excitation potentials, log(gf) and the
measured EWs
table4.dat 53 158 List of light and heavy element lines adopted in
our study with the measured EWs
--------------------------------------------------------------------------------
Note on table2.dat: Data from Buonanno et al. (1995, Cat. J/AJ/109/650),
Ortolani & Gratton (1990A&AS...82...71O 1990A&AS...82...71O), and 2MASS (Skrutskie et al. 2006,
Cat. VII/233).
--------------------------------------------------------------------------------
Byte-by-byte Description of file: table2.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 5 A5 --- Cluster Cluster name (Arp 2 or Ter 8)
7- 9 I3 --- Star Star number within the cluster
11- 12 I2 h RAh Right ascension (J2000)
14- 15 I2 min RAm Right ascension (J2000)
17- 20 F4.1 s RAs Right ascension (J2000)
22 A1 --- DE- Declination sign (J2000)
23- 24 I2 deg DEd Declination (J2000)
26- 27 I2 arcmin DEm Declination (J2000)
29- 30 I2 arcsec DEs Declination (J2000)
32- 36 F5.2 mag Vmag V magnitude
38- 41 F4.2 mag B-V B-V colour index
43- 46 F4.2 mag V-K V-K colour index
48- 51 I4 K Tbv Temperature calculated from B-V colour index
53- 56 I4 K Tvk Temperature calculated from V-K colour index
58- 61 I4 K Teff Calculated effective temperature
63- 65 F3.1 km/s Vturb Calculated turbulence velocity
67- 69 F3.1 [cm/s2] logg Calculated surface gravity
71- 89 A19 --- SName Simbad name
--------------------------------------------------------------------------------
Byte-by-byte Description of file: table[34].dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 7 F7.2 0.1nm lambda Wavelength in Å
9- 12 A4 --- Ion Ion identification
14- 17 F4.2 eV ExPot Excitation potential
19- 23 F5.2 [-] log(gf) Log of oscillator strength
25- 29 F5.1 0.1pm Ter8-305 ? Equivalent width of Ter8 305, in mÅ
31- 35 F5.1 0.1pm Ter8-325 ? Equivalent width of Ter8 325, in mÅ
37- 41 F5.1 0.1pm Ter8-483 ? Equivalent width of Ter8 483, in mÅ
43- 47 F5.1 0.1pm Arp2-436 ? Equivalent width of Arp2 436, in mÅ
49- 53 F5.1 0.1pm Arp2-826 ? Equivalent width of Arp2 826, in mÅ
--------------------------------------------------------------------------------
History:
From electronic version of the journal
(End) Greg Schwarz [AAS], Patricia Vannier [CDS] 23-Mar-2011