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The Supernova/Acceleration Probe (SNAP) is a proposed space-borne observatory that will survey the sky with a wide-field optical/near-infrared (NIR) imager. The images produced by SNAP will have an unprecedented combination of depth,…

Astrophysics · Physics 2019-08-14 A. Kim

A near-infrared telescope with an effective aperture diameter of thirty millimeters has been developed. The primary objective of the development is to observe northern bright stars in the $J$, $H$, and $K_{\rm s}$ bands and provide accurate…

Aims. We aim at deriving stellar atmospheric parameters based on the photometric data from the Javalambre Photometric Local Universe Survey (J-PLUS) in addition to near-infrared photometry from the Two Micron All-Sky Survey (2MASS).…

We present the Multi-Array Galactic Plane Imaging Survey (MAGPIS), which maps portions of the first Galactic quadrant with an angular resolution, sensitivity and dynamic range that surpasses existing radio images of the Milky Way by more…

Astrophysics · Physics 2010-02-23 David J. Helfand , Robert H. Becker , Richard L. White , Adam Fallon , Sarah Tuttle

The eclipsing binary system ASAS J174600-2321.3, which has shown a conspicuous brightening of ~4 magnitudes (V) in the past, was recently identified as a symbiotic nova candidate. A long-term photometric monitoring program was initiated in…

Solar and Stellar Astrophysics · Physics 2015-12-07 Franz-Josef Hambsch , Stefan Hümmerich , Klaus Bernhard , Sebastián Otero

The James Webb Space Telescope (JWST) is optimized for observations in the near and mid infrared and will provide essential observations for targets that cannot be conducted from the ground or other missions during its lifetime. The state…

Earth and Planetary Astrophysics · Physics 2016-01-11 Stefanie N. Milam , John A. Stansberry , George Sonneborn , Cristina Thomas

Since September 2018, LAMOST starts a new 5-year medium-resolution spectroscopic survey (MRS) using bright/gray nights. We present the scientific goals of LAMOST-MRS and propose a near optimistic strategy of the survey. A complete footprint…

A common proper motion survey of M dwarf stars within 8 pc of the Sun reveals no new stellar or brown dwarf companions at wide separations (~100-1400 AU). This survey tests whether the brown dwarf ``desert'' extends to large separations…

Astrophysics · Physics 2009-11-07 J. L. Hinz , D. W. McCarthy , D. A. Simons , T. J. Henry , J. D. Kirkpatrick , P. C. McGuire

There are several new projects to survey the sky with millimetre eyes, the biggest being Simons Observatory and CMB-S4, in the Southern Hemisphere. The NIKA2 collaboration has acquired sufficient knowledge to build a large focal plane KID…

The proposed global astrometry mission {\it GAIA}, recently recommended within the context of ESA's Horizon 2000 Plus long-term scientific program, appears capable of surveying the solar neighborhood within $\sim$ 200 pc for the astrometric…

Astrophysics · Physics 2009-10-31 M. G. Lattanzi , A. Spagna , A. Sozzetti , S. Casertano

The Phoenix Deep Survey (PDS) is a multiwavelength survey based on deep 1.4 GHz radio observations used to identify a large sample of star forming galaxies to z=1. Photometric redshifts are estimated for the optical counterparts to the…

Astrophysics · Physics 2007-05-23 A. M. Hopkins , J. Afonso , A. Georgakakis , M. Sullivan , B. Mobasher , L. E. Cram

Targeted searches for pulsars based on their counterparts in radio images have resulted in the discovery of interesting pulsars including the first ever discovered millisecond pulsar (MSP). We are conducting an image-based pulsar survey,…

High Energy Astrophysical Phenomena · Physics 2026-04-01 Yogesh Maan , Apurba Bera , Dharam Vir Lal , Yash Bhusare , Preeti Kharb , Banshi Lal , Pikky Atri

The Low Frequency Array (LOFAR) Two-metre Sky Survey (LoTSS) is a sensitive, high-resolution 120-168 MHz survey split across multiple tiers over the northern sky. The first LoTSS Deep Fields data release consists of deep radio continuum…

Nearby M-dwarfs are best suited for searches of low mass companions. VLBI phase-referencing observations with sensitive telescopes are able to detect radio star flux-densities of tenths of mJy as well as to position the star on the sky with…

Astrophysics · Physics 2007-05-23 J. C. Guirado , E. Ros , D. L. Jones , W. Alef , J. M. Marcaide , R. A. Preston

We discovered a low-mass companion to the M-dwarf GJ 164 with the CCD-based imaging system of the Stellar Planet Survey (STEPS) astrometric program. The existence of GJ 164B was confirmed with Hubble Space Telescope NICMOS imaging…

Astrophysics · Physics 2009-11-10 Steven H. Pravdo , Stuart B. Shaklan , Todd Henry , G. Fritz Benedict

We present details of the second part of the Southern Infrared Proper Motion Survey (SIPS). Here accurate relative astrometry allows us to reduce the minimum proper motion to 0.1 arcseconds per year. This yields 6904 objects with proper…

Astrophysics · Physics 2009-11-13 N. R. Deacon , N. C. Hambly

The Javalambre-Physics of the Accelerating Universe Astrophysical Survey (J-PAS) is an ongoing survey mapping thousands of square degrees in the Northern Hemisphere using 56 narrow-band filters, delivering IFU-like photometric data well…