Chandra s second decade
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Chandra’s Second Decade. Lifetime: ≥15- 20 years (RJB’s presentation) Is all key Chandra science enabled by current proposal and review procedures? Extremely Large Projects (ELPs): not implemented as “could be accommodated” in current LP/VLPs

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Chandra’s Second Decade

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Chandra s second decade

Chandra’s Second Decade

  • Lifetime: ≥15-20 years (RJB’s presentation)

  • Is all key Chandra science enabled by current proposal and review procedures?

  • Extremely Large Projects (ELPs): not implemented as “could be accommodated” in current LP/VLPs

  • But Cycles 10-12: lack >1 Msec projects approved (2 in past 3 cycles)

  • Orbit is evolving → more observing time available per cycle for next few years

Chandra Director’s Office


Large project at other observatories

Large Project at other Observatories

  • NOAO Survey Program (24):

    • 1999 → present: up to 20% of observing time per cycle, e.g. NOAO/XMM Cluster Survey, The w Project, NOAO Deep-Wide Survey

  • Spitzer Legacy Projects (6):

    • 2000, 50% of observing time in 1st year, e.g. GOODS, SWIRE, SINGS

  • Herschel Key Projects (42):

    • 2007, 40% OT, 90% GT: e.g. HERMES, KINGFISH

  • HST Multi-Cycle Treasury Projects (3):

    • 2010, 1/3rd of observing time over 3 cycles, e.g. CANDELS, Andromeda Survey,Through a Lens Darkly

Chandra Director’s Office


Science drivers

Science Drivers

  • X-ray coverage of multi-wavelength, surveys: COSMOS, AEGIS, HERMES, CANDELs etc..

  • Coordination with new observatories: Herschel, ALMA, JWST

  • High-spatial-resolution studies of samples of SNRs and Clusters of Galaxies

  • Survey of local group dwarf galaxies: XRB population studies and search for dark matter decay

  • WHIM search/confirmation

  • Survey of M31 to complement Hubble Andromeda Survey

  • Grating Spectroscopy of more AGN, stars +

  • Spatially-resolved spectroscopy of nearby AGN

  • Young star clusters (w/ALMA for disk studies)

  • AGN timing via regular imaging of (part of) medium- deep PanSTARRS field (7 sq degs)

Chandra Director’s Office


X ray visionary projects xvps

X-ray Visionary Projects (XVPs)

  • Major, coherent science projects needing 3-5 Msecs, no proprietary time, multi-year

  • Single project approved per call, any remaining time retained for future XVPs

  • No science limit for first call, consider second and subsequent to facilitate different science categories

  • Time, Cycle 13: 3 Msec shortfall from previous cycles, ~1.5 Msec (increased efficiency Cycle 13), ~0.5 Msec from Cycle 14

  • Funding: scaled up VLP formula

    Review process:

  • Notice of Intent with early deadline (~mid-Jan)

  • Initial Review by augmented set of pundits at regular peer review

  • Final recommendation from BPP (pundits+chairs)

Chandra Director’s Office


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