Refereed Publications by Andy Layden

31) Baker, J.M., Layden, A.C., Welch, D.L., & Webb, T.M.A., 2007, AJ, 133, 139, Variable Stars in Metal-Rich Globular Clusters. III. NGC 6539.

• File containing plots, data files, and a FITS image of the cluster with corresponding coordinates [tar.gz, 11.4 Mb].

30) Catelan, M. Stetson, P.B., Pritzl, B.J., Smith, H.A., Kinemuchi, K., Layden, A.C., Sweigart, A.V. & Rich, R.M. 2006, ApJL, 651, L133-136, Deep HST Photometry of NGC 6388: Age and Horizontal-Branch Luminosity.

29) Layden, Andrew C., Sarajedini, Ata., von Hippel, Ted, & Cool, Adrienne M., 2005, ApJ, 632, 266, Deep Photometry of the Globular Cluster M5: Distance Estimates from White Dwarf and Main Sequence Stars.

• Photometry data from Table 2 [ascii, 0.8 Mb].
• File containing photometry data and FITS images with corresponding coordinates [tar.gz, 6.7 Mb].

28) Guldenschuh, K., Layden, A., Whiting, A., et al. 2005, PASP, 117, 721, The Intrinsic Colors of RR Lyrae Variables: A Means to Determine Interstellar Reddening.

• Preprint (postscript, 311 kb) and time series data (Table 2, ascii, 13 kb).

27) Pritzl, B.J., Smith, H.A., Stetson, P.B., Catelan, M., Sweigart, A.V., Layden, A.C., & Rich, R.M. 2003, AJ, 126, 1381, Hubble Space Telescope Snapshot Study of Variable Stars in Globular Clusters: The Inner Region of NGC 6441

26) Layden, A.C., Bowes, B.T., Welch, D.L., & Webb, T.M.A., 2003, AJ, 126, 255, Variable Stars in Metal-Rich Globular Clusters: II. NGC 6316.

• File containing data files and a FITS image of the cluster with corresponding coordinates [tar.gz, 4 Mb].

25) Layden, Andrew C. & Sarajedini, A. 2003, AJ, 125, 208-223, Photometry of the Globular Cluster NGC 3201 and its Variable Stars.

• File containing data files, FITS image with corresponding corrdinates, and an individual light curve for each RRL (eps). [tar.gz, 2.7 Mb]

24) Day, A., Layden, A., Hoard, D., et al. 2002, PASP, 114, 645-649, Light and Color Curves of Six Field RR Lyrae Variable Stars.

23) Hoard, D., Layden, A., Buss, J., Demarco, R., Greene, J., Kim-Quijano, J., & Soderberg, A. 2001, PASP, 113, 82-85, The Distance to the RR Lyrae Star V716 Monocerotis. Data available.

22) Melbourne, J., Sarajedini, A., Layden, A., and Martins, D.H. 2000, AJ, 120, 3127-3138, CCD Photometry of the Globular Cluster NGC 4833 and Extinction Near the Galactic Plane.

21) Layden, Andrew C. & Sarajedini, Ata 2000, AJ, 119, 1760, Photometry of the Globular Cluster M54 and the Sagittarius Dwaft Galaxy: the Age-Metallicity Relation.

• Entire preprint (1 tar file containing gzipped files, including complete data tables, 2.6 Mb).
• A gzipped tar file containing complete photometry (Tables 2-6 and 12, and the combined photometry in Figs. 5a and 5b).
• A tar file containing gzipped fits images of the M54 and Sgr fields, whose coordinates correspond to the XY values quoted in the text (4.9 Mb).
• Light curve templates (ascii, 6 Kb).

20) Wilhelm, R., Beers, T. C., Sommer-Larsen, J., Pier, J. R., Layden, A. C., Flynn, C., Rossi, S., Christensen, P. R. 1999, AJ, 117, 2329, Spectroscopy of Hot Stars in the Galactic Halo. III. Analysis of a Large Sample of Field Horizontal-Branch and Other A-Type Stars.

19) Layden, A.C., Ritter, L.A., Welch, D.L., & Webb, T.M.A. 1999, AJ, 117, 1313, The Variable Stars and Blue Horizontal Branch of the Metal-Rich Globular Cluster NGC 6441.

• A gzipped fits image of the cluster, (coordinates correspond to XY values quoted in text).
• FIGURE 1: A large-scale Image of the cluster (JPEG, 198kb).
• TABLE 1: Photometry of 32,268 Stars Toward NGC 6441 (all mags, all errors, R<1100pix; ASCII table; 1.6Mb).
• TABLE 6: Time Series Photometry of Variable Stars (ASCII, 60kb).

18) Layden, A.C. "Absolute Magnitudes Derived Using the Statistical Parallax Method", an invited review in "Post-Hipparcos Cosmic Candles", 1999, eds. A. Heck & F. Caputo, (Kluwer: Dordrecht).

• Postscript file (183kb), or gzipped PostScript file (67kb).

17) Lira, P., ... Layden, A.C., ... 1998, AJ, 115, 234, Optical Light Curves of the Type Ia Supernovae 1990N and 1991T.

16) Layden, A.C. 1998, AJ, 115, 193, RR Lyrae Variables in the Inner Halo. I. Photometry. Complete versions of Table 1 Individual Photometric Observations (ascii file, 38kb); Table 3 Six Light Curve Templates (ascii file, 2kb); and Table 4 Derived Light Curve Parameters (ascii file, 9kb).

15) Pesce, J., ... Layden, A.C., ... 1997, ApJ, 486, 770, Multiwavelength Monitoring of the BL Lacertae Object PKS 2155-304 in 1994 May. I. The Ground-based Campaign.

14) Layden, A.C. & Sarajedini, A. 1997, ApJ, 486, L107, The Globular Cluster M54 and the Star Formation History of the Sagittarius Dwarf Galaxy.

13) Layden, A.C. & Wachter, S. 1997, PASP, 110, 977, CG Muscae: A Cataclysmic Mis-Classification. ASCII data file containing all the photometric data from Table 2 (13kb).

12) Layden, A.C. 1997, PASP, 109, 524, Light Curves of 40 Field RR Lyare Variables. ASCII data file containing ALL the photometric data from Table 2 (105kb).

11) Sarajedini, A. & Layden, A.C., 1997, AJ, 113, 264, Reddenings, Metallicities, and Possible Abundance Anomalies in Young Globular Clusters.

10) Hamuy, M., ..., Layden, A.C., ... 1996, AJ, 112, 2048, BVRI Light Curves for 29 Type Ia Supernovae.

9) Layden, A.C., Hanson, R.B., Hawley, S.L., Klemola, A.R., & Hanley, C.J. 1996, AJ, 112, 2110, The Absolute Magnitude and Kinematics of RR Lyrae Stars via Statistical Parallax, basic data from Table 2 (19kb).

8) Rosen, S.R., Mittaz, J.P.D., Buckley, D.A., Layden, A.C., Clayton, K.L., McCain, C., Osborne, J.P., Watson, M.G., \& Wynn, G. 1996, MNRAS, 280, 1121, "Accretion Mode Changes in QS Tel (RE1938-461): EUVE, ROSAT and Optical Observations."

7) Layden, A.C. 1995, AJ, 110, 2312, The Metallicities and Kinematics of RR Lyrae Variables. III. On the Production of Metal-Rich RR Lyrae Stars.

6) Layden, A.C. 1995, AJ, 110, 2288, The Metallicities and Kinematics of RR Lyrae Variables. II. Galactic Structure and Formation from Local Stars, data from Table 1, Proper Motions and Space Velocities of 153 RR Lyrae.

5) Bailyn, ... Layden, ... 1995, Nature, 374, 701-703, "The Optical Counterpart of the Superluminal Source GRO J1655-40."

4) Sarajedini, A. & Layden, A.C. 1995, AJ, 109, 1086, A Photometric Study of the Globular Cluster M54 and the Sagittarius Dwarf Galaxy: Evidence for Three Distinct Populations.

3) Layden, A.C. 1994, AJ, 108, 1016, The Metallicities and Kinematics of RR Lyrae Variables. I. New Observations of Local Stars.

• Mother of all tables: data derived from individual spectra used in Layden (1994) (ASCII data, 133 kb). Here is a brief key describing the contents of this whopping table.
• Table 1 of Layden (1994): "Abundances and Velocities from the Literature" (ASCII data, 18 kb).
• Table 9 of Layden (1994): "New Data (Abundances and Velocities) for Local RR Lyrae Variables" (ASCII data, 26 kb).

2) Layden, A.C., Fox, P.A., Howard, J.M., Sarajedini, A., Schatten, K.H. & Sofia, S. 1990, Solar Physics, 132, 1-40, "Dynamo-Based Scheme for Forecasting the Magnitude of Solar Activity Cycles."

1) Herbst, W. & Layden, A.C. 1987, AJ, 94, 150-157, H-alpha Photometry of Dwarf K and M Stars.