Submillimeter Observations of CLASH 2882 and the Evolution of Dust in
  this Galaxy
  Two millimeter observations of the MACS J1149.6+2223 cluster have detected a
source that was consistent with the location of the lensed MACS1149-JD galaxy
at z=9.6. A positive identification would have rendered this galaxy as the
youngest dust forming galaxy in the universe. Follow up observation with the
AzTEC 1.1 mm camera and the IRAM NOrthern Extended Millimeter Array (NOEMA) at
1.3 mm have not confirmed this association. In this paper we show that the
NOEMA observations associate the 2 mm source with [PCB2012] 2882 ([PCB2012]
2882 is the NED-searchable name for this source.), source number 2882 in the
Hubble Space Telescope ( HST) Cluster Lensing and Supernova (CLASH) catalog of
MACS J1149.6+2223. This source, hereafter referred to as CLASH 2882, is a
gravitationally lensed spiral galaxy at z=0.99. We combine the GISMO 2 mm and
NOEMA 1.3 mm fluxes with other (rest frame) UV to far-IR observations to
construct the full spectral energy distribution (SED) of this galaxy, and
derive its star formation history, and stellar and interstellar dust content.
The current star formation rate of the galaxy is 54/mu Msun yr-1, and its dust
mass is about 5 10^7/mu Msun, where mu is the lensing magnification factor for
this source, which has a mean value of 2.7. The inferred dust mass is higher
than the maximum dust mass that can be produced by core collapse supernovae
(CCSN) and evolved AGB stars. As with many other star forming galaxies, most of
the dust mass in CLASH 2882 must have been accreted in the dense phases of the
ISM.
