XMM-Newton Large Programme Details



PROPOSAL OVERVIEW
Proposal Title XMM follow-ups of rare AGN ignition and shut-down events detected with eROSITA
Proposal Category Active Galactic Nuclei, Quasars, BL-Lac Objects and Tidal Disruption Events
Proposal Type LARGE PROGRAM
Proposal Id 090399
Number of Observations 16
Total exposure time (ks) 520

PI DETAILS
PI Dr. Mirko Krumpe
Institute Leibniz-Institut für Astrophy
Country GERMANY

CO-INVESTIGATORS
Name Country
D. Homan GERMANY
A. Markowitz POLAND
J. Wilms GERMANY
A. Merloni GERMANY
G. Lamer GERMANY
Z. Igo GERMANY

ABSTRACT
eROSITA is performing multiple all-sky X-ray surveys until 2023, and our team is systematically identifying rare accretion ignition/shut-down events - changing-look AGN - as they are transitioning. To track how the X-ray corona, UV/optical accretion disk, and optical broad-line region respond to a sudden, major change in accretion rate, we propose joint ToO observations of XMM-Newton (EPIC+OM) and VLT (FORS2) to obtain at least two observations per triggered object (maximum of 4 ignition events and 4 shutdown events). We will constrain the extent of these drastic flux changes and yield crucial constraints on how the different structural AGN components respond to dramatic changes of the accretion rate.

PAPERS
Authors marked in red are (co-)investigators in the proposal

Classification of papers are:
- CLASS 1:   papers that present specific XMM-Newton observations
- CLASS 2: papers that refer to published XMM-Newton results with complementary observations, follow-up analysis, or theoretical analysis
- CLASS 3: further deliveries which resulted from the program and which are made available to the community (e.g. source catalogues, processed images or spectra in public data base)
- CLASS 4: comments and suggestions from PI

CLASS 1 (1 references)
  1. " An X-ray flaring event and a variable soft X-ray excess in the Seyfert LCRS B040659.9–385922 as detected with eROSITA "
    Krishnan, S.; Markowitz, A. G.; Krumpe, M.; Homan, D.; Brogan, R.; Haemmerich, S.; Gromadzki, M.; Saha, T.; Schramm, M.; Reichart, D. E.; Winkler, H.; Waddell, S.; Wilms, J.; Rau, A.; Liu, Z.; Grotova, I.;
    2024 - Astronomy & Astrophysics, Volume 691, id.A102, 19 pp.
    Number of Citations: 0
    https://ui.adsabs.harvard.edu/search/q=bibcode:2024A&A...691A.102K
    DOI: 10.48550/arXiv.2407.10788