Peter Predehl Max-Planck-Institut für extraterrestrische Physik on behalf of the SRG-Collaboration
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1 Spektr-Rentgen-Gamma Peter Predehl Max-Planck-Institut für extraterrestrische Physik on behalf of the SRG-Collaboration
2 Spektr-Rentgen-Gamma erosita (MPE) ART-XC (IKI) Navigator (Lavochkin Ass.) Fregat-SB Booster
3 Spektr-Rentgen-Gamma Launch from Baikonur with Zenit-Fregat, 2016 (March 26) - 3 months: flight to L2, verification and calibration phase - 4 years: 8 all sky surveys (scanning mode: 6 rotations/day, 1 degree advance per day) - 3 years: pointed observation phase, including ~20% of GTO. 1 AO per year
4 ART-XC 1) Energy range 5 30 kev 2) FOV 34 3) On-axis resolution 1 4) Total weight 350 kg 5) Power consumption 300 W
5 ART-XC Collaboration 1) VNIIEF, Sarov design of telescope, QM X-ray mirror systems, structure, tests, AIT 2) IKI, Moscow CdTe DSSD X-ray detectors, aboard computer and memory, thermal balance system control block, star sensor, X- ray ground calibration of detectors and mirror systems 3) MSFC/NASA FM X-ray mirror systems and their ground calibration 4) Lavochkin Association, Khimki MLI, heat pipes, pyropin 5) Obninsk Research and Production Enterprise "Technologiya carbon fiber structure
6 erosita Collaboration Core Institutes (DLR funding): MPE, Garching/D Universität Erlangen-Nürnberg/D IAAT (Universät Tübingen)/D SB (Universität Hamburg)/D Leibniz Institut für Astrophysik Potsdam/D Associated Institutes: MPA, Garching/D IKI, Moscow/Ru USM (Universität München)/D AIA (Universität Bonn)/D Industry: Media Lario/I Mirrors, Mandrels Kayser-Threde/D Mirror Structures Carl Zeiss/D ABRIXAS-Mandrels Invent/D Telescope Structure pnsensor/d CCDs IberEspacio/E Heatpipes RUAG/A Mechanisms HPS/D,P MLI Moog/USA Valves MAP/F Painting Laserjob/D X-ray Baffles NPOL/Ru Spacecraft, Mission + many other (small) companies MPE: Scientific Lead Institute, Project Management Instrument Design, Manufacturing, Integration & Test Data Handling & Processing, Archive etc.
7 erosita Telescope Front Cover 2 Star Sensors 2 Camera Cooling Radiators Hexapod = I/F with S/C 2 E-Box Cooling Radiators 7 X-ray Baffles 7 Mirror Modules 2 Sun Sensors 7 Electron Deflectors 7 Filter-Wheels 7 CCD-Cameras 7 Camera Electronics 2 Control Electronics 7 identical Mirror Modules 54 nested Mirror Shells each 7 identical pnccd Cameras Field of View Angular Resolution Energy Range 1 Ø ~16 arcsec on-axis ~ kev
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9 ART-XC & erosita On-axis Effective Area & Grasp 2500 см 1.4 kev 450 см 8 kev 1100 см 2 deg 1.4 kev 45 см 2 deg 8 kev
10 Cluster Cosmology Design Driving Science W L + + Vikhlinin et al., 2009 COSMOS Field XMM-Newton W m WMAP: Spergel et al ROSAT: Schuecker et al Detectability of Clusters of Galaxies, z < 1.5: Clusters of galaxies are the largest gravitationally bound entities in the universe. In X-rays we see clusters as one continuous entity. All-sky survey with sensitivity erg cm -2 s -1 Deep survey field(s) (~100 sqdeg) with erg cm -2 s -1 Individual pointed observations Moderate angular resolution (< 28 arcsec, aver. over FoV) Large collecting area (> 2000 cm 1keV) Large FoV (1 Ø) Long duration (survey 4 years 1/2 year (ROSAT)
11 Evolution of Cluster Mass Function court. Churazov/MPA z = 0 z = 0.5 z = 1.4 Number of most massive clusters is extremely sensitive to cosmology
12 Will erosita detect all Clusters? Churazov/MPA: Yes!
13 Other Science: Cold Universe Charge Exchange court. K. Dennerl Schmitt et al Cool Stars magnetic activity coronae Interstellar Dust scattering spectroscopy chemistry Costantini et al., 2005 Vaughan et al., 2003
14 Stars ~0.7 Mio. Stars Cool Stars (late A to late M-type, magnetic activity, coronae) Hot Stars (O to early B-type incl. WR Stars, wind shocks) other court. J. Robrade
15 SNR + ISM SNRs: Search for new SNR candidates (radio quiet / X-ray bright) Large SNRs in Milky Way Hot Interstellar Medium: Globally (LMC, SMC) Particular Sources (superbubbles, SNR) Strong shocks, T, densitities, ionization stages, chem. abund., NE effects XMM-Newton and Chandra spectra show inconsistencies with collisional ionizing equilibrium and common non-equilibrium ionizing models Background: Local Hot Bubble (origin? state? CEI or NEI?, cooling curves?, etc.) Loop I (CE relevant?) Galactic Halo (by shadowing 3d picture of contribution and properties)
16 Compact Objects Accretion via RLOF (CVs, LMXBs, BHs ) via stellar wind (HMXBs) via disk (BE) from ISM (INS, IBH) Cyclotron line features Heavily obscured binary systems Thermonuclear Novae, Bursts Cooling, remnant heat WDs, NSs Magnetic Fields AXPs, Magnetars Spin-down Pulsars Other >100 INS?
17 AGN 3 Mio. AGN Accretion History: XLF, obscured vs. unobscured LSS: AGN ACF, AGN/Galaxy CCF, AGN/Cluster CCF AGN host Galaxies: Morphology, SFR, Obscuration Sub-Populations: High Redshift (z>6) Extreme Luminosity Compton thick AGN Spectra: Obscuration, Continuum, Soft Excess, Iron Lines Variability: Var. vs. L, L/L edd, z, Tidal Disruptions BAOs 10s detection, but precise redshifts needed. Brusa et al Komossa et al., 2006
18 ART-XC Science Targets All-sky survey (5 12 kev) several thousands new AGNs Study of massive nearby galaxies clusters with T 5 kev in the pointing observation mode Study of intrinsically heavily absorbed/compton thick AGNs ( N H см -2 ) Survey of galactic black holes and neutron stars with low luminosity Study heavily obscured galactic X-ray binary systems Study broad band spectra of Galactic objects (including binary systems, anomalous pulsars, SNRs) up to 30 kev, spectroscopy and timing of point sources Study of cyclotron lines features of X-ray pulsars with energy resolution 1.5 kev up to 30 kev
19 ART-XC Hardware
20 erosita Hardware
21 erosita Cameras Al Ka: FWHM =80eV
22 Data Share IKI/Ru MPE/D
23 Data Share Data releases after 2 years, incrementally 6, 18, 48 months. Pointed Phase: Open to world wide community
24 Data Rights and Policies (MPE) German erosita data made public after 2 yr proprietary period Periodic data releases envisaged (e.g. 6, 24, 48 months) Proprietary data via erosita_de collaboration (consortium) Projects/Papers regulated by Working Groups Individual External Collaborations Group External Collaborations Science Working Groups: Clusters and Cosmology AGN, Blazars Normal Galaxies Compact objects Diffuse emission, SNR Stars, Solar System Infrastructure Working Groups: Time Domain Astrophysics Data analysis, source extraction, catalogs Multi-wavelength follow-up Calibration Background
25 Redshifts Ru split D
26 erosita FM Hardware Readiness Telescope Structure, Front Cover incl. Mechanism MLI Mirror System FM-1 FM-2-8 X-ray Baffles (7+1) Electron Deflector FM 1-8 E-Box Radiators (2) Camera Radiators (2) Camera Heatpipe System Electronics Heatpipes Cameras CCDs Detector Electronics Interface & Thermal Control Electronics Harnesses ready ready ready calibrated waiting for calibration (till 9/14) ready ready ready ready ready ready qualified ready for integration QM tested in X-rays, FMs in integration EM tested, QM ready for test EM tested ready Shipping to Russia planned for June 2015
27 erosita FM Mirror Modules
28 March 26, 2016 in Байконур erosita Science Book Merloni et al. arxiv:
29 erosita Performance Point source Extended source Point source sensitivity: ~30 times better than ROSAT (soft band kev) ~100 times better than HEAO/RXTE (hard band 2-10 kev)
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31 Follow-up Observations 1. Needs for followup: Enabling studies of cosmology and cluster physics: Redshifts (phot-z + spec-z), Masses: weak lens. + vel. dispersions, Evolution of AGN Population Redshifts, host galaxies, BH masses, obscuration, jets Galactic Sources 2. Follow up Context for erosita (List not complete!) Shallow Multiband OIR Surveys 2MASS, PanSTARRS, UKIDSS, SDSS Deep Multiband OIR Surveys VISTA, DES Optical Spectroscopic Surveys SDSS, BOSS Proposed Optical Spectroscopic Surveys SPIDERS (AS3), 4MOST, BigBOSS, WEAVE Future OIR Imaging Surveys LSST, Euclid Radio: LOFAR, ASKAP, SKA etc.
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