Toward Better Age Estimates for Stellar Populations: The Y2 Isochrones for Solar Mixture

Chang H. Ree , Sydney Barnes , Young Wook Lee , Pierre Demarque
Astrophysical Journal Supplement Series 136 ( 2) 417 -437

828
2001
Radial velocity membership for the open cluster IC4756

Aaron Geller , Soeren Meibom , Klaus Strassmeier , Sydney Barnes
NOAO Proposal 44

2013
Precise Ages for Debris Disk Stars via Gyrochronology

Sydney Barnes , Gregory Henry , John Stansberry , Katherine Su
sptz 50465

2008
Tidal Dwarf Galaxies Around a Post-merger Galaxy, NGC 4922

Barry F. Madore , Jennifer M. Lotz , Ted K. Wyder , Chang H. Ree
The Astronomical Journal 138 ( 6) 1911 -1916

17
2009
Lithium in NGC 3532: A Key Discriminator of Physical Processes in Stellar Interiors

Constantine P. Deliyannis , Jeremy R. King , Sydney Barnes
NOAO Proposal 404

1999
The Age of NGC 3680 and a Test of Convective Overshoot

Vera Kozhurina-Platais , Pierre Demarque , Imants Platais , Jerome A. Orosz
The Astronomical Journal 113 1045 -1056

49
1997
On the Origin of the Ultrafast Rotators in Young Star Clusters

Sydney Barnes , Sabatino Sofia
The Astrophysical Journal 462 746

89
1996
WIYN Open Cluster Study. VII. NGC 2451A and the Hipparcos Distance Scale

Imants Platais , Vera Kozhurina-Platais , Sydney Barnes , Terrence M. Girard
The Astronomical Journal 122 ( 3) 1486 -1499

29
2001
Disk-locking and the presence of slow rotators among solar-type stars in young star clusters

Sydney Barnes , Sabatino Sofia , Marc Pinsonneault
The Astrophysical Journal 548 ( 2) 1071 -1080

45
2001
The connections between binarity, circumstellar disks, and stellar rotation

Soren Meibom , Sydney Barnes , Aaron Geller , Robert D Mathieu
NOAO Proposal 323 -323

2011
NGC 6709: A Faint Zero-Age Main Sequence Open Cluster

Elizabeth M Cole-Kodikara , Sydney Barnes , Jörg Weingrill , Dario Fritzewski
The 20.5 th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS20. 5) 175 -175

1
2021
The Horizontal Branches of Globular Clusters. I. The Color-Magnitude Diagram of NGC 6426

Robert Zinn , Sydney Barnes
Astronomical Journal v. 112, p. 1054 112 1054 -1054

17
1996
The Horizontal Branches of Globular Clusters. II. The Color-Magnitude Diagram of NGC 6139

Robert Zinn , Sydney Barnes
The Astronomical Journal 116 ( 4) 1736 -1736

7
1998
344 TJ Dupuy et al.

Sydney Barnes
The Ages of Stars (IAU S258) ( 258) 344 -344

9
2009
Comparative study of nearly‐grazing and fully‐grazing exoplanet system parameters derived with TESS and ground‐based instruments

Xanthippi Alexoudi , Ekaterina Dineva , Sydney Barnes , Klaus G Strassmeier
Astronomische Nachrichten 344 ( 3) e220075 -e220075

1
2023
New frontiers in gyrochronology

David Gruner , Sydney Barnes , Kenneth Janes , Jörg Weingrill
American Astronomical Society Meeting Abstracts 56 ( 2) 432.02 D -432.02 D

2024
Rotation periods for cool stars in the open cluster Ruprecht 147 (NGC 6774)

David Gruner , Sydney Barnes
The 20.5 th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS20. 5) 65 -65

2021
Stellar Coronae at 250 Myr: Chandra Observations of NGC 3532

S. Meibom , S. Barnes , Steven H. Saar
American Astronomical Society Meeting Abstracts #216 216

2010
V679 Carinae = Nova Carinae 2008

C. Harlingten , S. Barnes , A. Henden , E. O. Waagen
International Astronomical Union Circular 8999 1

2008
Rotation periods for solar-type stars in NGC 2516

S. Sofia , S. Barnes
American Astronomical Society Meeting Abstracts #192 192

1998