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Title: Fixing the reference frame for PPMXL proper motions using extragalactic sources

Abstract

In this study, we quantify and correct systematic errors in PPMXL proper motions using extragalactic sources from the first two LAMOST data releases and the Vèron-Cetty & Vèron Catalog of Quasars. Although the majority of the sources are from the Vèron catalog, LAMOST makes important contributions in regions that are not well-sampled by previous catalogs, particularly at low Galactic latitudes and in the south Galactic cap. We show that quasars in PPMXL have measurable and significant proper motions, which reflect the systematic zero-point offsets present in the catalog. We confirm the global proper motion shifts seen by Wu et al., and additionally find smaller-scale fluctuations of the QSO-derived corrections to an absolute frame. Finally, we average the proper motions of 158 106 extragalactic objects in bins of 3° × 3° and present a table of proper motion corrections.

Authors:
 [1];  [1];  [1];  [2];  [3];  [4];  [5];  [6];  [3];  [7];  [8];  [4];  [9];  [4];  [3];  [10];  [4];  [7];  [11]
  1. Rensselaer Polytechnic Institute, Troy, NY (United States). Department of Physics, Applied Physics and Astronomy
  2. University of Notre Dame, Notre Dame, IN (United States). Department of Physics and JINA: Joint Institute for Nuclear Astrophysics
  3. Shanghai Astronomical Observatory (China)
  4. Shanghai Astronomical Observatory, Beijing (China). Key Lab of Optical Astronomy, National Astronomical Observatories
  5. Spitzer Science Center, Pasadena, CA (United States)
  6. Univ. of California, Santa Cruz, CA (United States). UCO/Lick Observatory, Department of Astronomy and Astrophysics
  7. Chinese Academy of Sciences, Nanjing (China). Nanjing Institute of Astronomical Optics & Technology, National Astronomical Observatories
  8. Georgia State University, Atlanta, GA (United States). Department of Physics and Astronomy
  9. Peking University, Beijing (China). Kavli Institute for Astronomy and Astrophysics and Department of Astronomy
  10. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
  11. University of Utah, UT (United States). Department of Physics and Astronomy
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1395477
Report Number(s):
arXiv:1409.2890; FERMILAB-PUB-14-604-AE
Journal ID: ISSN 1674-4527; 1622371
Grant/Contract Number:  
AC02-07CH11359
Resource Type:
Accepted Manuscript
Journal Name:
Research in Astronomy and Astrophysics
Additional Journal Information:
Journal Volume: 15; Journal Issue: 6; Journal ID: ISSN 1674-4527
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; catalogs; proper motions; surveys: LAMOST

Citation Formats

Grabowski, Kathleen, Carlin, Jeffrey L., Newberg, Heidi Jo, Beers, Timothy C., Chen, Li, Deng, Li-Cai, Grillmair, Carl J., Guhathakurta, Puragra, Hou, Jin-Liang, Hou, Yong-Hui, Lépine, Sébastien, Liu, Chao, Liu, Xiao-Wei, Luo, A-Li, Smith, Martin C., Yanny, Brian, Zhang, Hao-Tong, Zhang, Yong, and Zheng, Zheng. Fixing the reference frame for PPMXL proper motions using extragalactic sources. United States: N. p., 2015. Web. doi:10.1088/1674-4527/15/6/007.
Grabowski, Kathleen, Carlin, Jeffrey L., Newberg, Heidi Jo, Beers, Timothy C., Chen, Li, Deng, Li-Cai, Grillmair, Carl J., Guhathakurta, Puragra, Hou, Jin-Liang, Hou, Yong-Hui, Lépine, Sébastien, Liu, Chao, Liu, Xiao-Wei, Luo, A-Li, Smith, Martin C., Yanny, Brian, Zhang, Hao-Tong, Zhang, Yong, & Zheng, Zheng. Fixing the reference frame for PPMXL proper motions using extragalactic sources. United States. https://doi.org/10.1088/1674-4527/15/6/007
Grabowski, Kathleen, Carlin, Jeffrey L., Newberg, Heidi Jo, Beers, Timothy C., Chen, Li, Deng, Li-Cai, Grillmair, Carl J., Guhathakurta, Puragra, Hou, Jin-Liang, Hou, Yong-Hui, Lépine, Sébastien, Liu, Chao, Liu, Xiao-Wei, Luo, A-Li, Smith, Martin C., Yanny, Brian, Zhang, Hao-Tong, Zhang, Yong, and Zheng, Zheng. Wed . "Fixing the reference frame for PPMXL proper motions using extragalactic sources". United States. https://doi.org/10.1088/1674-4527/15/6/007. https://www.osti.gov/servlets/purl/1395477.
@article{osti_1395477,
title = {Fixing the reference frame for PPMXL proper motions using extragalactic sources},
author = {Grabowski, Kathleen and Carlin, Jeffrey L. and Newberg, Heidi Jo and Beers, Timothy C. and Chen, Li and Deng, Li-Cai and Grillmair, Carl J. and Guhathakurta, Puragra and Hou, Jin-Liang and Hou, Yong-Hui and Lépine, Sébastien and Liu, Chao and Liu, Xiao-Wei and Luo, A-Li and Smith, Martin C. and Yanny, Brian and Zhang, Hao-Tong and Zhang, Yong and Zheng, Zheng},
abstractNote = {In this study, we quantify and correct systematic errors in PPMXL proper motions using extragalactic sources from the first two LAMOST data releases and the Vèron-Cetty & Vèron Catalog of Quasars. Although the majority of the sources are from the Vèron catalog, LAMOST makes important contributions in regions that are not well-sampled by previous catalogs, particularly at low Galactic latitudes and in the south Galactic cap. We show that quasars in PPMXL have measurable and significant proper motions, which reflect the systematic zero-point offsets present in the catalog. We confirm the global proper motion shifts seen by Wu et al., and additionally find smaller-scale fluctuations of the QSO-derived corrections to an absolute frame. Finally, we average the proper motions of 158 106 extragalactic objects in bins of 3° × 3° and present a table of proper motion corrections.},
doi = {10.1088/1674-4527/15/6/007},
journal = {Research in Astronomy and Astrophysics},
number = 6,
volume = 15,
place = {United States},
year = {Wed May 27 00:00:00 EDT 2015},
month = {Wed May 27 00:00:00 EDT 2015}
}

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