Young Stellar Object Variability (YSOVAR) Overview
YSOVAR Overview YSOVAR Primary Data Access YSOVAR Catalogs

Overview

The Young Stellar Object VARiability (YSOVAR) Spitzer Space Telescope observing program obtained the first extensive mid-infrared (IRAC 3.6 and 4.5 micron) time series photometry of the Orion Nebula Cluster plus smaller fields in 11 other star-forming cores (AFGL 490, NGC 1333, Mon R2, GGD 12-15, NGC 2264, L1688, Serpens Main, Serpens South, IRAS 20050+2720, IC 1396A, and Ceph C). There are ~29,000 unique objects with light curves in either or both IRAC channels in the YSOVAR data set. YSOVAR is a sister project to the Coordinated Synoptic Investigation of NGC 2264 (CSI 2264; Cody et al. 2014). Initial YSOVAR results were described in Morales-Calderon et al. (2011). Rebull et al. (2014) describes the details of target selection, data reduction, and other conventions established for this project.

If you use YSOVAR data, please cite both the journal article Rebull et al. (2014) and the dataset Digital Object Identifier (DOI): 10.26131/IRSA518.

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Data Set Characteristics

Data ProductDescriptionData Access
Images Spitzer/IRAC 3.6, 4.5 micron
Catalogs GGD 12-15, IRAS 20050+2720, L1688, and NGC 1333
Object Table and Light Curves Catalogs

YSOVAR Documentation

DocumentationCatalogs
DR1 Data Delivery Documentation
NGC 1333 Light Curves
GGD 12-15 Light Curves
L1688 Light Curves
IRAS 20050+2720 Light Curves
YSOVAR Object Table Catalog Descriptions
YSOVAR Light Curves Catalog Descriptions
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