The Astrophysical Journal (Jan 2024)
The Green Bank 820 MHz Pulsar Survey. I. Survey Overview and Initial Results
- A. E. McEwen,
- R. S. Lynch,
- D. L. Kaplan,
- C. Bolda,
- R. Sengar,
- E. Fonseca,
- T. Agoudemos,
- J. Boyles,
- S. Chatterjee,
- T. Cohen,
- F. Crawford,
- M. E. DeCesar,
- A. Ehlke,
- T. Fernandez,
- E. C. Ferrara,
- W. Fiore,
- N. Gilhaus,
- M. Gleiter,
- J. W. T. Hessels,
- T. Holman,
- A. Joy,
- V. Kaspi,
- V. Kondratiev,
- H. D. Leon,
- L. Levin,
- B. Lorenz,
- D. R. Lorimer,
- D. R. Madison,
- M. A. McLaughlin,
- B. W. Meyers,
- E. Parent,
- L. Patron,
- S. M. Ransom,
- P. S. Ray,
- M. S. Roberts,
- S. Roch,
- X. Siemens,
- G. Stearns,
- J. K. Swiggum,
- I. H. Stairs,
- K. Stovall,
- C. M. Tan,
- N. Valentine,
- J. van Leeuwen
Affiliations
- A. E. McEwen
- ORCiD
- Department of Physics, The George Washington University , Washington, DC 20052, USA ; [email protected]; Center for Gravitation, Cosmology, and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USA
- R. S. Lynch
- ORCiD
- Green Bank Observatory , P.O. Box 2, Green Bank, WV 24494, USA
- D. L. Kaplan
- ORCiD
- Center for Gravitation, Cosmology, and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USA
- C. Bolda
- ORCiD
- Center for Gravitation, Cosmology, and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USA; Department of Physics and Astronomy, Texas A&M University , College Station, TX 77845, USA
- R. Sengar
- ORCiD
- Center for Gravitation, Cosmology, and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USA
- E. Fonseca
- ORCiD
- Department of Physics and Astronomy, West Virginia University , P.O. Box 6315, Morgantown, WV 26506, USA; Center for Gravitational Waves and Cosmology, West Virginia University , Chestnut Ridge Research Building, Morgantown, WV 26505, USA
- T. Agoudemos
- ORCiD
- Center for Gravitation, Cosmology, and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USA
- J. Boyles
- Department of Physics and Astronomy, Western Kentucky University , 1906 College Heights Boulevard, Bowling Green, KY 42101, USA
- S. Chatterjee
- ORCiD
- Cornell Center for Astrophysics and Planetary Science and Department of Astronomy, Cornell University , Ithaca, NY 14853, USA
- T. Cohen
- ORCiD
- Department of Physics, New Mexico Institute of Mining and Technology , 801 Leroy Place, Socorro, NM 87801, USA
- F. Crawford
- ORCiD
- Department of Physics and Astronomy , Franklin & Marshall College, P.O. Box 3003, Lancaster, PA 17604, USA
- M. E. DeCesar
- ORCiD
- George Mason University , Fairfax, VA 22030, USA
- A. Ehlke
- Center for Gravitation, Cosmology, and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USA
- T. Fernandez
- Center for Gravitation, Cosmology, and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USA
- E. C. Ferrara
- ORCiD
- Department of Astronomy, University of Maryland , College Park, MD 20742, USA
- W. Fiore
- ORCiD
- Department of Physics and Astronomy, West Virginia University , P.O. Box 6315, Morgantown, WV 26506, USA; Center for Gravitational Waves and Cosmology, West Virginia University , Chestnut Ridge Research Building, Morgantown, WV 26505, USA
- N. Gilhaus
- Center for Gravitation, Cosmology, and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USA
- M. Gleiter
- Center for Gravitation, Cosmology, and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USA
- J. W. T. Hessels
- ORCiD
- Anton Pannekoek Institute for Astronomy, University of Amsterdam , Science Park 904, 1098 XH Amsterdam, The Netherland s; ASTRON, Netherlands Institute for Radio Astronomy , Oude Hoogeveensedijk 4, 7991 PD Dwingeloo, The Netherlands
- T. Holman
- Center for Gravitation, Cosmology, and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USA
- A. Joy
- Center for Gravitation, Cosmology, and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USA
- V. Kaspi
- ORCiD
- Department of Physics & McGill Space Institute , McGill University 3600 University Street, Montreal, QC H3A 2T8, Canada
- V. Kondratiev
- ORCiD
- ASTRON, Netherlands Institute for Radio Astronomy , Oude Hoogeveensedijk 4, 7991 PD Dwingeloo, The Netherlands
- H. D. Leon
- Center for Gravitation, Cosmology, and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USA
- L. Levin
- ORCiD
- Jodrell Bank Centre for Astrophysics, School of Physics and Astronomy, University of Manchester , Manchester M13 9PL, UK
- B. Lorenz
- Center for Gravitation, Cosmology, and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USA
- D. R. Lorimer
- ORCiD
- Department of Physics and Astronomy, West Virginia University , P.O. Box 6315, Morgantown, WV 26506, USA; Center for Gravitational Waves and Cosmology, West Virginia University , Chestnut Ridge Research Building, Morgantown, WV 26505, USA
- D. R. Madison
- ORCiD
- Department of Physics, University of the Pacific , 3601 Pacific Avenue, Stockton, CA 95211, USA
- M. A. McLaughlin
- ORCiD
- Department of Physics and Astronomy, West Virginia University , P.O. Box 6315, Morgantown, WV 26506, USA; Center for Gravitational Waves and Cosmology, West Virginia University , Chestnut Ridge Research Building, Morgantown, WV 26505, USA
- B. W. Meyers
- ORCiD
- International Centre for Radio Astronomy Research (ICRAR), Curtin University , Bentley, WA 6102 Australia; Department of Physics and Astronomy, University of British Columbia , 6224 Agricultural Road, Vancouver, BC V6T 1Z1 Canada
- E. Parent
- ORCiD
- Institute of Space Sciences (ICE, CSIC) , Campus UAB, Carrer de Can Magrans s/n, E-08193 Barcelona, Spain; Institut d’Estudis Espacials de Catalunya (IEEC) , Carrer Gran Capità 2-4, E-08034 Barcelona, Spain
- L. Patron
- Center for Gravitation, Cosmology, and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USA
- S. M. Ransom
- ORCiD
- National Radio Astronomy Observatory , 520 Edgemont Road, Charlottesville, VA 22903, USA
- P. S. Ray
- ORCiD
- U.S. Naval Research Laboratory , Washington, DC 20375, USA
- M. S. Roberts
- ORCiD
- Eureka Scientific , Oakland, CA, USA
- S. Roch
- Center for Gravitation, Cosmology, and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USA
- X. Siemens
- ORCiD
- Department of Physics, Oregon State University , Corvallis, OR 97331, USA
- G. Stearns
- Center for Gravitation, Cosmology, and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USA
- J. K. Swiggum
- ORCiD
- Center for Gravitation, Cosmology, and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USA; Department of Physics, 730 High St., Lafayette College , Easton, PA 18042, USA
- I. H. Stairs
- ORCiD
- Department of Physics and Astronomy, University of British Columbia , 6224 Agricultural Road, Vancouver, BC V6T 1Z1 Canada
- K. Stovall
- ORCiD
- National Radio Astronomy Observatory , 1003 Lopezville Road, Socorro, NM 87801, USA
- C. M. Tan
- ORCiD
- Department of Physics & McGill Space Institute , McGill University 3600 University Street, Montreal, QC H3A 2T8, Canada
- N. Valentine
- Center for Gravitation, Cosmology, and Astrophysics, Department of Physics, University of Wisconsin-Milwaukee , P.O. Box 413, Milwaukee, WI 53201, USA
- J. van Leeuwen
- ORCiD
- ASTRON, Netherlands Institute for Radio Astronomy , Oude Hoogeveensedijk 4, 7991 PD Dwingeloo, The Netherlands
- DOI
- https://doi.org/10.3847/1538-4357/ad47f0
- Journal volume & issue
-
Vol. 969,
no. 2
p. 118
Abstract
The Green Bank 820 MHz pulsar survey covers ≃173 deg ^2 in the Cygnus X region of the Galaxy, centered on l = 84.°5 and b = 1.°5. Significant star formation is present in this region, and lines of sight pass through three arms of the Galaxy (Orion–Cygnus, Perseus, and an outer arm). Using the Green Bank Telescope, we recorded 200 MHz of bandwidth for 4.5 minutes at 81.92 μ s resolution for each of 3457 observed survey pointings during 2016 and 2017, covering about two-thirds of the total area. We searched these data for pulsars and report the discovery of six new pulsars—PSRs J2016+3820, J2016+4231, J2019+3810, J2035+3538, J2035+3655, and J2041+4551—and the codiscovery of PSR J2057+4701. PSR J2035+3655 is in a short (4.5 hr) binary orbit; we report the full binary solution and weakly constrain the mass of the pulsar via a marginal (2 σ ) detection of the Shapiro delay. We also searched the survey data for known pulsars to estimate the survey’s sensitivity and measured 820 MHz pulse widths and flux density for 20 detected sources. For sources that were also detected in the Green Bank North Celestial Cap survey at 350 MHz, we measure scattering parameters and compare to expectations for the region. With these results, we revisit the population estimates that motivated this survey and consider the impact of the survey’s yield on their underlying models. We note an apparent underestimate in dispersion measure predictions from typical Galactic electron density models in the survey region, and discuss future observation strategies.
Keywords
