The Catalina Surveys
RR Lyrae Data Release


Catalina Surveys RRab Variables

The links on this page include data for 43,389 RR Lyrae lightcurves.
These include 32,775 RRab's, 9,218 RRc's, 1,004 RRd's and 392 Blazkho RRL.
A few thousand of these are either overlapping or were known prior to CRTS.

Updated to include SSS RR Lyrae photometry files on 2026-03-30.

Summary

PaperRRL NumberSurveyType
I 12,227 CSS RRab
II 1,207 MLS RRab
II 2,051 CSS RRab
III 10,540 SSS RRab
IV 2,435 CSS RRab
IV 5,469 CSS RRc
IV 502 CSS RRd
IV 223 CSS Blazkho
V 4,325 SSS RRab
V 3,752 SSS RRc
V 502 SSS RRd
V 171 SSS Blazkho

Data

Paper-I:
Data for 12,227 CSS RRab's from Drake et al. 2013 (ApJ, 763, 32).
The ascii file including the CSS ID, period, RA, Dec, etc., is given here for paper-I table 1.
All of the CSDR2 photometry for the RR Lyrae can be downloaded in one large (70MB) tar file.
Note: an error in the original ephemerides was corrected on 2013-05-02.

Paper-II:
Data for ~3,000 RRab's from Drake et al. 2013, (ApJ, 765, 154).
An ascii file including the MLS ID, period, RA, Dec, etc., is given here for table 1.
An ascii file including the CSS ID, period, RA, Dec, etc., is given here for table 2.
All of the CSDR2 photometry for the RR Lyrae can be downloaded in this (13MB) tar file.

Paper-III:
Photometry for 9795 unique SSS RRab's from Torrealba et al. 2015 (MNRAS, 446, 2251) is given in this (50MB) tar file.

Paper-IV:
Data for 2,400 more CSS RRab's, 5,469 RRc's, and 502 RRd's from Drake et al. 2014 (ApJS, 213, 9) are available here.

Paper-V:
Data for 4,325 more RRab's, 3,752 RRc's and 502 RRd's from Drake et al. 2017 (MNRAS, 469, 368) are available here.

Note: MJDs in these files are not heliocentric corrected.

Plots of CSS RRab's from CSDR1 (Paper-I)

Interactive plots with ~1000 RRab per figure from Paper-I:
11.2 < V < 14.5 14.5 < V < 15.2 15.2 < V < 15.7
15.7 < V < 16.1 16.1 < V < 16.5 16.5 < V < 16.8
16.8 < V < 17.1 17.1 < V < 17.3 17.3 < V < 17.6
17.6 < V < 18.0 18.0 < V < 18.6 18.6 < V < 20.0