This webpage offers the X-ray source catalogues produced by the eROSITA-DE members. Each catalogue is described on detail in a data model page. As more catalogues are published, they will be listed here.
| ID | Name | Link to data model | Link to latest catalogue | Description | Reference |
|---|---|---|---|---|---|
| General catalogues | |||||
| 1 | eROSITA/eRASS1 main catalogue | eRASS1 Main catalogue model | eRASS1 Main catalogue | X-ray sources detected in the 0.2>2.3 keV band using eSASS adopting a detection likelihood threshold of 5. The sources with detection likelihood larger than 6 are selected as the main eRASS1 catalogue (930203 sources). 12.01.2026: Version 1.2 available. It fixes the values of the column named NO_FLAG_EXT_ERR. |
Merloni, A., et al. A&A, 682, A34 (2024) |
| 2 | eROSITA/eRASS1 hard catalogue | eRASS1 Hard catalogue model | eRASS1 Hard catalogue | Hard eRASS1 X-ray catalog from the 3B (in the 2.3-5.0 keV band) eSASS source detection run. | Merloni, A., et al. A&A, 682, A34 (2024) |
| 3 | eROSITA/eRASS1 supplementary catalogue | eRASS1 Supplementary catalogue model | eRASS1 Supplementary catalogue | Supplementary eRASS1 X-ray catalog from the 1B (0.2-2.3 keV) eSASS source detection run. | Merloni, A., et al. A&A, 682, A34 (2024) |
| 4 | eROSITA/eRASS1 catalogue of identified counterparts using Legacy Survey DR10 | LS10 Counterpart catalogue model | eRASS1 LS10 Counterpart catalogue | Identification and characterization of the counterparts to the X-ray point sources in the eROSITA/DR1 main catalogue using the Legacy Survey DR10 | Salvato, M., et al. A&A, 704, 344A (2025) |
| 5 | eROSITA/eRASS1 catalogue of identified counterparts using GAIA DR3 | GAIA DR3 Counterpart catalogue model | eRASS1 GAIA DR3 Counterpart catalogue | Identification and characterization of the counterparts to the X-ray point sources in the eROSITA/DR1 main catalogue using the Gaia DR3 survey | Salvato, M., et al. A&A, 704, 344A (2025) |
| 6 | eROSITA/eRASS1 catalogue of identified counterparts using CatWISE2020 survey | CW2020 Counterpart catalogue model | eRASS1 CW2020 Counterpart catalogue | Identification and characterization of the counterparts to the X-ray point sources in the eROSITA/DR1 main catalogue using the CatWISE2020 survey | Salvato, M., et al. A&A, 704, 344A (2025) |
| 7 | Legacy Survey DR10 counterparts to Chandra CSC2 and field population used for training | CSC2 training sample for LS DR10 model | CSC2 training sample for LS DR10 | Legacy Survey DR10 counterparts to Chandra CSC2 and field population used for training | Salvato, M., et al. A&A, 704, 344A (2025) |
| 8 | Legacy Survey DR10 counterparts to 4XMM and field population used for training | 4XMM training sample for LS DR10 model | 4XMM training sample for LS DR10 | Legacy Survey DR10 counterparts to 4XMM and field population used for training | Salvato, M., et al. A&A, 704, 344A (2025) |
| 9 | GAIA EDR3 counterparts to Chandra CSC2 and field population used for training | CSC2 training sample for GAIA EDR3 model | CSC2 training sample for GAIA EDR3 | GAIA EDR3 counterparts to Chandra CSC2 and field population used for training | Salvato, M., et al. A&A, 704, 344A (2025) |
| 10 | GAIA EDR3 counterparts to 4XMM and field population used for training | 4XMM training sample for GAIA EDR3 model | 4XMM training sample for GAIA EDR3 | GAIA EDR3 counterparts to 4XMM and field population used for training | Salvato, M., et al. A&A, 704, 344A (2025) |
| 11 | CatWISE2020 counterparts to Chandra CSC2 and field population used for training | CSC2 training sample for CatWISE2020 model | CSC2 training sample for CatWISE2020 | CatWISE2020 counterparts to Chandra CSC2 and field population used for training | Salvato, M., et al. A&A, 704, 344A (2025) |
| 12 | CatWISE2020 counterparts to 4XMM and field population used for training | 4XMM training sample for CatWISE2020 model | 4XMM training sample for CatWISE2020 | CatWISE2020 counterparts to 4XMM and field population used for training | Salvato, M., et al. A&A, 704, 344A (2025) |
| Clusters of galaxies | |||||
| 1 | eROSITA/eRASS1 galaxy groups and clusters main catalogue | eRASS1 Galaxy groups and clusters primary catalogue model | eRASS1 Galaxy groups and clusters primary catalogue | The primary catalog of 12,247 optically confirmed galaxy groups and clusters detected in the 0.2-2.3 keV as extended X-ray sources in a 13116 square degree region in the western Galactic hemisphere of the sky, which eROSITA surveyed in its first six months of operation. The clusters in the sample span the redshift range from 0.003 to 1.32. | Bulbul, E. et al., A&A, 685, A106 (2024) |
| 2 | eROSITA/eRASS1 galaxy groups and clusters cosmology catalogue | eRASS1 Galaxy groups and clusters cosmology catalogue model | eRASS1 Galaxy groups and clusters cosmology catalogue | The cluster catalog of 5,259 optically confirmed galaxy groups and clusters detected in the 0.2-2.3 keV as extended X-ray sources in a 12791 square degree region in the western Galactic hemisphere of the sky. The clusters in the sample span the photometric redshift range from 0.1 to 0.8. This catalog is used in the eRASS1 cosmology analysis presented in Ghirardini et al. (2024) | Bulbul, E. et al., A&A, (2024), 685, A106 (2024) |
| 3 | eROSITA/eRASS1 galaxy groups and clusters optical properties catalogue | eRASS1 Galaxy groups and clusters optical properties catalogue model | eRASS1 Galaxy groups and clusters optical properties catalogue | Optical properties of the eRASS1 clusters and groups. The catalog contains eRASS1 extended X-ray sources (EXT_LIKE>3) from Bulbul, E., et al. (2024) for which the optical properties (e.g., redshift, richness) are measured using optical and near-infrared data from the Legacy Surveys. | Kluge, M., A&A, 688, A210 (2024) |
| 4 | eROSITA/eRASS1 supercluster catalogue | eRASS1 Supercluster catalogue model | eRASS1 Supercluster catalogue | The eRASS1 supercluster catalogue contains the properties of the 1338 supercluster systems detected in eRASS1. | Liu et al., A&A, 683A, 130 (2024) |
| 5 | eROSITA/eRASS1 cluster morphology catalogue | eRASS1 Cluster morphology catalogue model | eRASS1 Cluster morphology catalogue | The eRASS1 cluster morphology catalogue contains the morphologies of the 12705 clusters detected in eRASS1. | Sanders et al., A&A, 695, 160A (2025) |
| Active Galactic Nuclei (AGN) | |||||
| 1 | eROSITA/eRASS1 blazar catalogue (BlazEr1) | BlazEr1 catalogue model | BlazEr1 catalogue | The BlazER1 catalogue of blazars and blazar candidates in eRASS1 is based on the eRASS1 Main and BLAZE catalogues. The catalogue contains the main sample of 5865 blazars and blazar candidates detected by eROSITA during eRASS1. | Haemmerich et al. (2026), in press |
| 2 | eROSITA/eRASS1 unverified BlazEr1 | Unverified BlazEr1 catalogue model | Unverified BlazEr1 catalogue | The unverified BlazEr1 catalogue of unverified blazars and blazar candidates in eRASS1 is based on the eRASS1 Main and BLAZE catalogues. The catalogue contains 2252 blazars and blazar candidates detected by eROSITA during eRASS1 which were cut from the main sample due to quality issues. | Haemmerich et al. (2026), in press |
| 3 | BLAZE catalogue | BLAZE catalogue model | BLAZE catalogue | The BLAZars from litErature (BLAZE) catalogue of blazars and blazar candidates contains 100368 blazars and blazar candidates compiled from different catalogues from the literature. | Haemmerich et al. (2026), in press |
| 4 | Unverified BLAZE catalogue | Unverified BLAZE catalogue model | Unverified BLAZE catalogue | The unverified BLAZars from litErature (unverified BLAZE) catalogue of unverified blazars and blazar candidates contains 3130 blazars and blazar candidates compiled from different catalogues from the literature, which were not included in the BLAZE catalogue due to sources exhibiting properties of a non-blazar. | Haemmerich et al. (2026), in press |
| Galactic catalogues | |||||
| 1 | eROSITA/eRASS1 Likely coronal identifications with HamStar | Coronal IDs catalogue model | Coronal IDs catalogue | Likely coronal identifications of the eRASS1 main sources identified with HamStar | Freund, S., et al. A&A, 684A, 121 (2024) |
| 2 | eROSITA/eRASS1 Possible coronal identifications with HamStar | Coronal IDs catalogue model | Coronal IDs catalogue | Possible but less likely coronal identifications of the eRASS1 main sources identified with HamStar | Freund, S., et al. A&A, 684A, 121 (2024) |
| Star catalogues | |||||
| 1 | eROSITA/eRASS1 High Mass X-Ray Binaries in LMC | HMXB in LMC catalogue model | HMBX in LMC catalogue | A catalogue of High Mass X-Ray Binaries in the LMC detected during eRASS1 | Kaltenbrunner, D., et al. submitted to A&A (2025) |