Dictionary of Nomenclature of Celestial Objects

 N about 1.85e10
Object:(IR)  (SIMBAD class: IR = Infra-Red source)
  Note:The Near-Earth Object Wide-field Infrared Survey Explorer Reactivation    Mission (NEOWISE; Mainzer et al. 2014, ApJ, 792, 30) is a NASA Planetary    Science Division space-based survey to detect, track and characterize    asteroids and comets, and to learn more about the population of near-Earth    objects that could pose an impact hazard to the Earth. NEOWISE    systematically images the sky at 3.4 and 4.6 mu.m, obtaining multiple    independent observations on each location that enable detection of    previously known and new solar system small bodies by virtue of the their    motion. Because it is an infrared survey, NEOWISE detects asteroid thermal    emission and is equally sensitive to high and low albedo objects. Over the    course of its expected three year mission, NEOWISE's thermal infrared flux    measurements will enable diameters and albedos to be radiometrically    determined for thousands of main belt and near-Earth asteroids.    

The "NWISEF" acronym refers to entries in the NEOWISE Single-exposure Source Database, and correspond to detections made on the NEOWISE Single-exposure Images. Descriptions of the contents, format and characteristics of NEOWISE data products are available in the Explanatory Supplement for the NEOWISE Data Release Products (Cutri et al. 2015: http://wise2.ipac.caltech.edu/docs/release/neowise/expsup/). Notes:Annual releases of NEOWISE image and source data began in March 2015. The NEOWISE 2015 Release contains data from the first year of survey operations. The 1.85e10 count corresponds to the 2015 Release Single-exposure Source Database. Ref:=2014ApJ...792...30M byMAINZER A. , BAUER J., CUTRI R.M., GRAV T., MASIERO J., BECK R., CLARKSON P., CONROW T., DAILEY J., EISENHARDT P., FABINSKY B., FAJARDO-ACOSTA S., FOWLER J., GELINO C., GRILLMAIR C., HEINRICHSEN I., KENDALL M., KIRKPATRICK J.D., LIU F., MASCI F., McCALLON H., NUGENT C.R., PAPIN M., RICE E., ROYER D., RYAN T., SEVILLA P., SONNETT S., STEVENSON R., THOMPSON D.B., WHEELOCK S., WIEMER D., WITTMAN M., WRIGHT E., YAN L. Astrophys. J., 792, 30 (2014) Initial performance of the NEOWISE reactivation mission. Infrared Processing and Analysis Center, Caltech =E=Catalogue in electronic form as <J/ApJ/792/30/>
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