Ongoing / upcoming SPLASH papers & projects ------------------------------------------- Category A == NOW! ---------- ## Surface brightness profile - spectroscopically confirmed RGB counts (Guhathakurta / Gilbert / Geha / Kalirai) ## And X - followup paper to Zucker et al discovery letter (Kalirai / Guhathakurta / Zucker) ## And XIV - followup paper to Majewski et al discovery letter (Geha / Kalirai) ## And I/II/III and other dSphs (Kalirai / Geha) ## NGC 205 / M31 tidal interaction - GA-based dynamical modelling (Howley / Geha / Guhathakurta) ## New observational constraints on the progenitor and orbit of M31's giant southern stream (fields a13, d1, H13s, f207_1, m4, m6) / Rotating dwarf progenitor model for the GSS (Gilbert / Kollipara / Fardal) **More than one paper? See also Fardal's list of papers ## Tangential motion of the M31 subgroup from dwarf satellites (van der Marel / Guhathakurta) ---------- Category B == ~ few months ---------- ## Metal-rich streams - statistical comparison of models to MW/M31 data (Gilbert / Johnston) ## Metallicity-based separation of halo versus inner spheroid (Isler / Kalirai / Gilbert / Guhathakurta) ## Internal dynamics of NGC 147 / NGC 185 (Geha / van der Marel) ## M31 dE abundance radial gradients (Kirby / Geha ) ## SPLASH trash: Foreground Milky Way stars and failed radial velocity measurements (Rice / Kalirai) ## Star formation history in M31 SE minor axis 35 kpc field (Brown) [category B?] **The extent to which this is a SPLASH project depends on how much it relies on results from DEIMOS spectroscopy ---------- Category C == ~ one year or more ---------- ## Surface brightness profile - DDO51 based RGB candidates (Beaton / Majewski / Kirby / Guhathakurta) **See Beaton list of papers ## Leo I detailed chemical abundances (Kirby / Sneden) ## Line-of-sight velocity dispersion vs radius / statistics of substructure / comparison to two sets of models (Johnston/Bullock & Diemand/Moore/Madau) (Gilbert / Guhathakurta) ## Tangential motion of the M31 subgroup from halo RGB stars (Guhathakurta / Gilbert) ## Kinematics of the NE and W shelves (Gilbert / Fardal) **Combine with rotating dwarf progenitor model for the GSS above? ## Internal kinematics of M32 in the tidal disruption region (Howley / Kalirai / Choi) ## Detailed chemical abundances of M31 RGB stars from coadded spectra (Kirby / Sneden) ## Statistical estimation of the RGB/dwarf ratio by fitting the distribution of stars in the full multidimensional diagnostic space (Kollipara / Guhathakurta / Gilbert / Kirby) ------------ Survey paper / database (internal & public) / techniqes ------------ ## Survey paper - public database website; data release schedule Related tasks: - Run *all* M31 DEIMOS spectra (Fall 2002 through Fall 2006) through Marla's revised spec2d / spec1d / A-band correction pipelines - Verify results using zspec - Run Karrie's L pipeline for RGB/dwarf separation - Web interface? (Guhathakurta / Geha / Gilbert / Kalirai) ## Improvements to RGB/dwarf separation - Larger and better matched training sets; use of empirical, as opposed to analytic, PDFs; use of K and TiO diagnostics (Kollipara / Gilbert) ## Application of machine learning methods to RGB/dwarf separation (Raychaudhury / von Hippel) ----------------------------------------------------------------------------- Ongoing / upcoming M31-related papers/projects ---------------------------------------------- ## A Subaru/Suprime-Cam Survey of M31's Spheroid along the South-east Minor Axis (M. Tanaka, M. Chiba, Y. Komiyama, M. Iye, and P. Guhathakurta) ApJL, submitted, 2007 (arXiv/0704.3328) (Surface brightness profile from deep Subaru SuprimeCam star counts) [category A] **Submitted in April, undergoing revisions in response to referee's report ## A Subaru/Suprime-Cam Survey of the Andromeda Giant Stream: New Insights into the Stream's Progenitor Galaxy (M. Tanaka, M. Chiba, Y. Komiyama, M. Iye, and P. Guhathakurta) ApJ, to be submitted, 2007 [category A] ------------ ## Star formation history of M31 spheroid from deep HST/ACS imaging of the 35 kpc SE minor axis field (Brown / UCSC team?) [category B] **Should this be in the SPLASH category (see above)? ------------ ## Ring / bar / satellite interaction (Fardal / Guhathakurta) [category B] **Fardal's list of papers -----------------------------------------------------------------------------