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Systematic Uncertainties Associated with the Cosmological Analysis of the First Pan-STARRS1 Type Ia Supernova Sample (2014)
Journal Article
Scolnic, D., Rest, A., Riess, A., Huber, M., Foley, R., Brout, D., …Waters, C. (2014). Systematic Uncertainties Associated with the Cosmological Analysis of the First Pan-STARRS1 Type Ia Supernova Sample. Astrophysical Journal, 795(1), Article 45. https://doi.org/10.1088/0004-637x/795/1/45

We probe the systematic uncertainties from the 113 Type Ia supernovae (SN Ia) in the Pan-STARRS1 (PS1) sample along with 197 SN Ia from a combination of low-redshift surveys. The companion paper by Rest et al. describes the photometric measurements a... Read More about Systematic Uncertainties Associated with the Cosmological Analysis of the First Pan-STARRS1 Type Ia Supernova Sample.

Cosmological Constraints from Measurements of Type Ia Supernovae Discovered during the First 1.5 yr of the Pan-STARRS1 Survey (2014)
Journal Article
Rest, A., Scolnic, D., Foley, R., Huber, M., Chornock, R., Narayan, G., …Waters, C. (2014). Cosmological Constraints from Measurements of Type Ia Supernovae Discovered during the First 1.5 yr of the Pan-STARRS1 Survey. Astrophysical Journal, 795(1), https://doi.org/10.1088/0004-637x/795/1/44

We present griz P1 light curves of 146 spectroscopically confirmed Type Ia supernovae (SNe Ia; 0.03 < z < 0.65) discovered during the first 1.5 yr of the Pan-STARRS1 Medium Deep Survey. The Pan-STARRS1 natural photometric system is determined by a co... Read More about Cosmological Constraints from Measurements of Type Ia Supernovae Discovered during the First 1.5 yr of the Pan-STARRS1 Survey.

Rapidly Evolving and Luminous Transients from Pan-STARRS1 (2014)
Journal Article
Drout, M., Chornock, R., Soderberg, A., Sanders, N., McKinnon, R., Rest, A., …Waters, C. (2014). Rapidly Evolving and Luminous Transients from Pan-STARRS1. Astrophysical Journal, 794(1), https://doi.org/10.1088/0004-637x/794/1/23

In the past decade, several rapidly evolving transients have been discovered whose timescales and luminosities are not easily explained by traditional supernovae (SNe) models. The sample size of these objects has remained small due, at least in part,... Read More about Rapidly Evolving and Luminous Transients from Pan-STARRS1.

Wide Cool and Ultracool Companions to Nearby Stars from Pan-STARRS 1 (2014)
Journal Article
Deacon, N., Liu, M., Magnier, E., Aller, K., Best, W., Dupuy, T., …Wainscoat, R. (2014). Wide Cool and Ultracool Companions to Nearby Stars from Pan-STARRS 1. Astrophysical Journal, 792(2), https://doi.org/10.1088/0004-637x/792/2/119

We present the discovery of 57 wide (>5'') separation, low-mass (stellar and substellar) companions to stars in the solar neighborhood identified from Pan-STARRS 1 (PS1) data and the spectral classification of 31 previously known companions. Our comp... Read More about Wide Cool and Ultracool Companions to Nearby Stars from Pan-STARRS 1.

Serendipitous discovery of a thin stellar stream near the Galactic bulge in the Pan-STARRS1 3π Survey (2014)
Journal Article
Bernard, E., Ferguson, A., Schlafly, E., Abbas, M., Bell, E., Deacon, N., …Waters, C. (2014). Serendipitous discovery of a thin stellar stream near the Galactic bulge in the Pan-STARRS1 3π Survey. Monthly Notices of the Royal Astronomical Society: Letters, 443(1), L84-L88. https://doi.org/10.1093/mnrasl/slu089

We report the discovery of a thin stellar stream found in Pan-STARRS1 photometry near the Galactic bulge in the constellation of Ophiuchus. It appears as a coherent structure in the colour-selected stellar density maps produced to search for tidal de... Read More about Serendipitous discovery of a thin stellar stream near the Galactic bulge in the Pan-STARRS1 3π Survey.

Galactic globular and open cluster fiducial sequences in the Pan-STARRS1 photometric system (2014)
Journal Article
Bernard, E., Ferguson, A., Schlafly, E., Platais, I., Bell, E., Martin, N., …Waters, C. (2014). Galactic globular and open cluster fiducial sequences in the Pan-STARRS1 photometric system. Monthly Notices of the Royal Astronomical Society, 442(4), 2999-3009. https://doi.org/10.1093/mnras/stu1081

We present the fiducial sequences of a sample of Galactic star clusters in the five bands of the Pan-STARRS1 (PS1) photometric system (gP1, rP1, iP1, zP1, and yP1). These empirical sequences – which include the red giant and sub-giant branches, the m... Read More about Galactic globular and open cluster fiducial sequences in the Pan-STARRS1 photometric system.

The Complex Structure of Stars in the Outer Galactic Disk as Revealed by Pan-STARRS1 (2014)
Journal Article
Slater, C., Bell, E., Schlafly, E., Morganson, E., Martin, N., Rix, H., …Waters, C. (2014). The Complex Structure of Stars in the Outer Galactic Disk as Revealed by Pan-STARRS1. Astrophysical Journal, 791(1), https://doi.org/10.1088/0004-637x/791/1/9

We present a panoptic view of the stellar structure in the Galactic disk's outer reaches commonly known as the Monoceros Ring, based on data from Pan-STARRS1. These observations clearly show the large extent of the stellar overdensities on both sides... Read More about The Complex Structure of Stars in the Outer Galactic Disk as Revealed by Pan-STARRS1.

Discovery of a cold stellar stream in the ATLAS DR1 data (2014)
Journal Article
Koposov, S., Irwin, M., Belokurov, V., Gonzales-Solares, E., Kupcu Yoldas, A., Lewis, J., …Shanks, T. (2014). Discovery of a cold stellar stream in the ATLAS DR1 data. Monthly Notices of the Royal Astronomical Society: Letters, 442(1), L85-L89. https://doi.org/10.1093/mnrasl/slu060

We report the discovery of a narrow stellar stream crossing the constellations of Sculptor and Fornax in the Southern celestial hemisphere. The portion of the stream detected in the Data Release 1 photometry of the ATLAS survey is at least 12° long,... Read More about Discovery of a cold stellar stream in the ATLAS DR1 data.

ATLAS lifts the Cup: discovery of a new Milky Way satellite in Crater (2014)
Journal Article
Belokurov, V., Irwin, M., Koposov, S., Evans, N., Gonzalez-Solares, E., Metcalfe, N., & Shanks, T. (2014). ATLAS lifts the Cup: discovery of a new Milky Way satellite in Crater. Monthly Notices of the Royal Astronomical Society, 441(3), 2124-2133. https://doi.org/10.1093/mnras/stu626

We announce the discovery of a new Galactic companion found in data from the ESO VST ATLAS survey, and followed up with deep imaging on the 4-m William Herschel Telescope. The satellite is located in the constellation of Crater (the Cup) at a distanc... Read More about ATLAS lifts the Cup: discovery of a new Milky Way satellite in Crater.

Discovery of Eight z ~ 6 Quasars from Pan-STARRS1 (2014)
Journal Article
Bañados, E., Venemans, B., Morganson, E., Decarli, R., Walter, F., Chambers, K., …Waters, C. (2014). Discovery of Eight z ~ 6 Quasars from Pan-STARRS1. Astronomical Journal, 148(1), Article 14. https://doi.org/10.1088/0004-6256/148/1/14

High-redshift quasars are currently the only probes of the growth of supermassive black holes and potential tracers of structure evolution at early cosmic time. Here we present our candidate selection criteria from the Panoramic Survey Telescope & Ra... Read More about Discovery of Eight z ~ 6 Quasars from Pan-STARRS1.

A Map of Dust Reddening to 4.5 kpc from Pan-STARRS1 (2014)
Journal Article
Schlafly, E., Green, G., Finkbeiner, D., Jurić, M., Rix, H., Martin, N., …Waters, C. (2014). A Map of Dust Reddening to 4.5 kpc from Pan-STARRS1. Astrophysical Journal, 789(1), Article 15. https://doi.org/10.1088/0004-637x/789/1/15

We present a map of the dust reddening to 4.5 kpc derived from Pan-STARRS1 stellar photometry. The map covers almost the entire sky north of declination –30° at a resolution of 7'-14', and is based on the estimated distances and reddenings to more th... Read More about A Map of Dust Reddening to 4.5 kpc from Pan-STARRS1.

A Large Catalog of Accurate Distances to Molecular Clouds from PS1 Photometry (2014)
Journal Article
Schlafly, E., Green, G., Finkbeiner, D., Rix, H., Bell, E., Burgett, W., …Tonry, J. (2014). A Large Catalog of Accurate Distances to Molecular Clouds from PS1 Photometry. Astrophysical Journal, 786(1), Article 29. https://doi.org/10.1088/0004-637x/786/1/29

Distance measurements to molecular clouds are important but are often made separately for each cloud of interest, employing very different data and techniques. We present a large, homogeneous catalog of distances to molecular clouds, most of which ar... Read More about A Large Catalog of Accurate Distances to Molecular Clouds from PS1 Photometry.

A New Distant Milky Way Globular Cluster in the Pan-STARRS1 3π Survey (2014)
Journal Article
Laevens, B., Martin, N., Sesar, B., Bernard, E., Rix, H., Slater, C., …Waters, C. (2014). A New Distant Milky Way Globular Cluster in the Pan-STARRS1 3π Survey. Astrophysical Journal Letters, 786(1), Article L3. https://doi.org/10.1088/2041-8205/786/1/l3

We present a new satellite in the outer halo of the Galaxy, the first Milky Way satellite found in the stacked photometric catalog of the Panoramic Survey Telescope and Rapid Response System 1 (Pan-STARRS1) Survey. From follow-up photometry obtained... Read More about A New Distant Milky Way Globular Cluster in the Pan-STARRS1 3π Survey.

Pan-STARRS 1 Observations of the Unusual Active Centaur P/2011 S1(Gibbs) (2014)
Journal Article
Lin, H., Chen, Y., Lacerda, P., Ip, W., Holman, M., Protopapas, P., …Price, P. (2014). Pan-STARRS 1 Observations of the Unusual Active Centaur P/2011 S1(Gibbs). Astronomical Journal, 147(5), Article 114. https://doi.org/10.1088/0004-6256/147/5/114

P/2011 S1 (Gibbs) is an outer solar system comet or active Centaur with a similar orbit to that of the famous 29P/Schwassmann-Wachmann 1. P/2011 S1 (Gibbs) has been observed by the Pan-STARRS 1 (PS1) sky survey from 2010 to 2012. The resulting data a... Read More about Pan-STARRS 1 Observations of the Unusual Active Centaur P/2011 S1(Gibbs).

Pre-outburst observations of Nova Del 2013 from Pan-STARRS 1 (2014)
Journal Article
Deacon, N., Hoard, D., Magnier, E., Jadhav, Y., Huber, M., Chambers, K., …Waters, C. (2014). Pre-outburst observations of Nova Del 2013 from Pan-STARRS 1. Astronomy & Astrophysics, 563, https://doi.org/10.1051/0004-6361/201423665

Context. Nova Delphini 2013 was identified on the 14th of August 2013 and eventually rose to be a naked eye object. Aims. We sought to study the behaviour of the object in the run-up to outburst and to compare it to the pre-outburst photometric chara... Read More about Pre-outburst observations of Nova Del 2013 from Pan-STARRS 1.

Characterization of the Praesepe Star Cluster by Photometry and Proper Motions with 2MASS, PPMXL, and Pan-STARRS (2014)
Journal Article
Wang, P., Chen, W., Lin, C., Pandey, A., Huang, C., Panwar, N., …Waters, C. (2014). Characterization of the Praesepe Star Cluster by Photometry and Proper Motions with 2MASS, PPMXL, and Pan-STARRS. Astrophysical Journal, 784(1), https://doi.org/10.1088/0004-637x/784/1/57

Membership identification is the first step in determining the properties of a star cluster. Low-mass members in particular could be used to trace the dynamical history, such as mass segregation, stellar evaporation, or tidal stripping, of a star clu... Read More about Characterization of the Praesepe Star Cluster by Photometry and Proper Motions with 2MASS, PPMXL, and Pan-STARRS.

Measuring Distances and Reddenings for a Billion Stars: Toward a 3D Dust Map from Pan-STARRS 1 (2014)
Journal Article
Green, G., Schlafly, E., Finkbeiner, D., Jurić, M., Rix, H., Burgett, W., …Waters, C. (2014). Measuring Distances and Reddenings for a Billion Stars: Toward a 3D Dust Map from Pan-STARRS 1. Astrophysical Journal, 783(2), Article 114. https://doi.org/10.1088/0004-637x/783/2/114

We present a method to infer reddenings and distances to stars based only on their broad-band photometry, and show how this method can be used to produce a three-dimensional (3D) dust map of the Galaxy. Our method samples from the full probability de... Read More about Measuring Distances and Reddenings for a Billion Stars: Toward a 3D Dust Map from Pan-STARRS 1.

The Pan-STARRS1 Medium-Deep Survey: The Role of Galaxy Group Environment in the Star Formation Rate versus Stellar Mass Relation and Quiescent Fraction out to z ~ 0.8 (2014)
Journal Article
Lin, L., Jian, H., Foucaud, S., Norberg, P., Bower, R., Cole, S., …Waters, C. (2014). The Pan-STARRS1 Medium-Deep Survey: The Role of Galaxy Group Environment in the Star Formation Rate versus Stellar Mass Relation and Quiescent Fraction out to z ~ 0.8. Astrophysical Journal, 782(1), Article 33. https://doi.org/10.1088/0004-637x/782/1/33

Using a large optically selected sample of field and group galaxies drawn from the Pan-STARRS1 Medium-Deep Survey (PS1/MDS), we present a detailed analysis of the specific star formation rate (SSFR)—stellar mass (M *) relation, as well as the quiesce... Read More about The Pan-STARRS1 Medium-Deep Survey: The Role of Galaxy Group Environment in the Star Formation Rate versus Stellar Mass Relation and Quiescent Fraction out to z ~ 0.8.

The superluminous supernova PS1-11ap: bridging the gap between low and high redshift (2014)
Journal Article
McCrum, M., Smartt, S., Kotak, R., Rest, A., Jerkstrand, A., Inserra, C., …Wainscoat, R. (2014). The superluminous supernova PS1-11ap: bridging the gap between low and high redshift. Monthly Notices of the Royal Astronomical Society, 437(1), 656-674. https://doi.org/10.1093/mnras/stt1923

We present optical photometric and spectroscopic coverage of the superluminous supernova (SLSN) PS1-11ap, discovered with the Pan-STARRS1 Medium Deep Survey at z = 0.524. This intrinsically blue transient rose slowly to reach a peak magnitude of Mu =... Read More about The superluminous supernova PS1-11ap: bridging the gap between low and high redshift.

Pan-STARRS1: Galaxy clustering in the Small Area Survey 2 (2014)
Journal Article
Farrow, D. J., Cole, S., Metcalfe, N., Draper, P., Norberg, P., Foucaud, S., …Waters, C. (2014). Pan-STARRS1: Galaxy clustering in the Small Area Survey 2. Monthly Notices of the Royal Astronomical Society, 437(1), 748-770. https://doi.org/10.1093/mnras/stt1933

The Panoramic Survey Telescope and Rapid Response System 1 survey is currently obtaining imaging in five bands (gP1, rP1, iP1, zP1 and yP1) for the 3π steradian survey, one of the largest optical surveys ever conducted. The finished survey will have... Read More about Pan-STARRS1: Galaxy clustering in the Small Area Survey 2.