The Carina Project. IV. Radial Velocity Distribution
M. Fabrizio
(1)
,
M. Nonino
(2)
,
G. Bono
(1)
,
I. Ferraro
(3)
,
Patrick François
(4, 5)
,
G. Iannicola
(3)
,
M. Monelli
(6)
,
Frédéric Thévenin
(7)
,
P. B. Stetson
(8)
,
A. R. Walker
(9)
,
R. Buonanno
(1)
,
F. Caputo
(3)
,
C. E. Corsi
(3)
,
M. Dall'Ora
(10)
,
Roberto Gilmozzi
(11)
,
C. R. James
(12)
,
T. Merle
(7)
,
L. Pulone
(3)
,
M. Romaniello
(11)
1
Università degli Studi di Roma Tor Vergata [Roma] = University of Rome Tor Vergata
2 INAF-OATs - INAF-Osservatorio Astronomico di Trieste
3 INAF-OAR - INAF-Osservatorio Astronomico di Roma
4 GEPI - Galaxies, Etoiles, Physique, Instrumentation
5 Physique stellaire et galactique
6 IAC - Instituto de Astrofisica de Canarias
7 Observatoire de la Côte d'Azur
8 National Research Council of Canada (NRC)
9 CTIO - Cerro Tololo Inter-American Observatory
10 INAF-OAC - INAF-Osservatorio Astronomico di Capodimonte
11 ESO - European Southern Observatory
12 Department of Physics, Sam Houston State University
2 INAF-OATs - INAF-Osservatorio Astronomico di Trieste
3 INAF-OAR - INAF-Osservatorio Astronomico di Roma
4 GEPI - Galaxies, Etoiles, Physique, Instrumentation
5 Physique stellaire et galactique
6 IAC - Instituto de Astrofisica de Canarias
7 Observatoire de la Côte d'Azur
8 National Research Council of Canada (NRC)
9 CTIO - Cerro Tololo Inter-American Observatory
10 INAF-OAC - INAF-Osservatorio Astronomico di Capodimonte
11 ESO - European Southern Observatory
12 Department of Physics, Sam Houston State University
Résumé
We present new and accurate radial velocity (RV) measurements of luminous stars of all ages (old horizontal branch, intermediate-age red clump, and young blue plume, as well as red giants of a range of ages: 20.6