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The SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Overview and Early Data

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The SDSS-IV extended Baryon Oscillation Spectroscopic Survey : Overview and Early Data. / Dawson, Kyle S.; Kneib, Jean-Paul; Percival, Will J.; Alam, Shadab; Albareti, Franco D.; Anderson, Scott F.; Armengaud, Eric; Aubourg, Eric; Bailey, Stephen; Bautista, Julian E.; Berlind, Andreas A.; Bershady, Matthew A.; Beutler, Florian; Bizyaev, Dmitry; Blanton, Michael R.; Blomqvist, Michael; Bolton, Adam S.; Bovy, Jo; Brandt, W. N.; Brinkmann, Jon; Brownstein, Joel R.; Burtin, Etienne; Busca, N. G.; Cai, Zheng; Chuang, Chia-Hsun; Clerc, Nicolas; Comparat, Johan; Cope, Frances; Croft, Rupert A. C.; Cruz-Gonzalez, Irene; da Costa, Luiz N.; Cousinou, Marie-Claude; Darling, Jeremy; de la Torre, Sylvain; Delubac, Timothee; du Mas des Bourboux, Helion; Dwelly, Tom; Ealet, Anne; Eisenstein, Daniel J.; Eracleous, Michael; Escoffier, S.; Fan, Xiaohui; Finoguenov, Alexis; Font-Ribera, Andreu; Frinchaboy, Peter; Gaulme, Patrick; Georgakakis, Antonis; Green, Paul; Guo, Hong; Guy, Julien; Ho, Shirley; Holder, Diana; Huehnerhoff, Joe; Hutchinson, Timothy; Jing, Yipeng; Jullo, Eric; Kamble, Vikrant; Kinemuchi, Karen; Kirkby, David; Kitaura, Francisco-Shu; Klaene, Mark A.; Laher, Russ R.; Lang, Dustin; Laurent, Pierre; Le Goff, Jean-Marc; Li, Cheng; Liang, Yu; Lima, Marcos; Lin, Qiufan; Lin, Weipeng; Lin, Yen-Ting; Long, Daniel C.; Lundgren, Britt; MacDonald, Nicholas; Geimba Maia, Marcio Antonio; Malanushenko, Elena; Malanushenko, Viktor; Mariappan, Vivek; McBride, Cameron K.; McGreer, Ian D.; Menard, Brice; Merloni, Andrea; Meza, Andres; Montero-Dorta, Antonio D.; Muna, Demitri; Myers, Adam D.; Nandra, Kirpal; Naugle, Tracy; Newman, Jeffrey A.; Noterdaeme, Pasquier; Nugent, Peter; Ogando, Ricardo; Olmstead, Matthew D.; Oravetz, Audrey; Oravetz, Daniel J.; Padmanabhan, Nikhil; Palanque-Delabrouille, Nathalie; Pan, Kaike; Parejko, John K.; Paris, Isabelle; Peacock, John A.; Petitjean, Patrick; Pieri, Matthew M.; Pisani, Alice; Prada, Francisco; Prakash, Abhishek; Raichoor, Anand; Reid, Beth; Rich, James; Ridl, Jethro; Rodriguez-Torres, Sergio; Carnero Rosell, Aurelio; Ross, Ashley J.; Rossi, Graziano; Ruan, John; Salvato, Mara; Sayres, Conor; Schneider, Donald P.; Schlegel, David J.; Seljak, Uros; Seo, Hee-Jong; Sesar, Branimir; Shandera, Sarah; Shu, Yiping; Slosar, Anze; Sobreira, Flavia; Strauss, Michael A.; Streblyanska, Alina; Suzuki, Nao; Tao, Charling; Tinker, Jeremy L.; Tojeiro, Rita; Vargas-Magana, Mariana; Wang, Yuting; Weaver, Benjamin A.; Weinberg, David H.; White, Martin; Wood-Vasey, W. M.; Yeche, Christophe; Zhai, Zhongxu; Zhao, Cheng; Zhao, Gong-bo; Zheng, Zheng; Ben Zhu, Guangtun; Zou, Hu.

In: ArXiv e-prints, Vol. 1508, 4473, 01.08.2015.

Research output: Contribution to journalArticle

Harvard

Dawson, KS, Kneib, J-P, Percival, WJ, Alam, S, Albareti, FD, Anderson, SF, Armengaud, E, Aubourg, E, Bailey, S, Bautista, JE, Berlind, AA, Bershady, MA, Beutler, F, Bizyaev, D, Blanton, MR, Blomqvist, M, Bolton, AS, Bovy, J, Brandt, WN, Brinkmann, J, Brownstein, JR, Burtin, E, Busca, NG, Cai, Z, Chuang, C-H, Clerc, N, Comparat, J, Cope, F, Croft, RAC, Cruz-Gonzalez, I, da Costa, LN, Cousinou, M-C, Darling, J, de la Torre, S, Delubac, T, du Mas des Bourboux, H, Dwelly, T, Ealet, A, Eisenstein, DJ, Eracleous, M, Escoffier, S, Fan, X, Finoguenov, A, Font-Ribera, A, Frinchaboy, P, Gaulme, P, Georgakakis, A, Green, P, Guo, H, Guy, J, Ho, S, Holder, D, Huehnerhoff, J, Hutchinson, T, Jing, Y, Jullo, E, Kamble, V, Kinemuchi, K, Kirkby, D, Kitaura, F-S, Klaene, MA, Laher, RR, Lang, D, Laurent, P, Le Goff, J-M, Li, C, Liang, Y, Lima, M, Lin, Q, Lin, W, Lin, Y-T, Long, DC, Lundgren, B, MacDonald, N, Geimba Maia, MA, Malanushenko, E, Malanushenko, V, Mariappan, V, McBride, CK, McGreer, ID, Menard, B, Merloni, A, Meza, A, Montero-Dorta, AD, Muna, D, Myers, AD, Nandra, K, Naugle, T, Newman, JA, Noterdaeme, P, Nugent, P, Ogando, R, Olmstead, MD, Oravetz, A, Oravetz, DJ, Padmanabhan, N, Palanque-Delabrouille, N, Pan, K, Parejko, JK, Paris, I, Peacock, JA, Petitjean, P, Pieri, MM, Pisani, A, Prada, F, Prakash, A, Raichoor, A, Reid, B, Rich, J, Ridl, J, Rodriguez-Torres, S, Carnero Rosell, A, Ross, AJ, Rossi, G, Ruan, J, Salvato, M, Sayres, C, Schneider, DP, Schlegel, DJ, Seljak, U, Seo, H-J, Sesar, B, Shandera, S, Shu, Y, Slosar, A, Sobreira, F, Strauss, MA, Streblyanska, A, Suzuki, N, Tao, C, Tinker, JL, Tojeiro, R, Vargas-Magana, M, Wang, Y, Weaver, BA, Weinberg, DH, White, M, Wood-Vasey, WM, Yeche, C, Zhai, Z, Zhao, C, Zhao, G, Zheng, Z, Ben Zhu, G & Zou, H 2015, 'The SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Overview and Early Data', ArXiv e-prints, vol. 1508, 4473.

APA

Dawson, K. S., Kneib, J-P., Percival, W. J., Alam, S., Albareti, F. D., Anderson, S. F., Armengaud, E., Aubourg, E., Bailey, S., Bautista, J. E., Berlind, A. A., Bershady, M. A., Beutler, F., Bizyaev, D., Blanton, M. R., Blomqvist, M., Bolton, A. S., Bovy, J., Brandt, W. N., ... Zou, H. (2015). The SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Overview and Early Data. ArXiv e-prints, 1508, [4473].

Vancouver

Dawson KS, Kneib J-P, Percival WJ, Alam S, Albareti FD, Anderson SF et al. The SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Overview and Early Data. ArXiv e-prints. 2015 Aug 1;1508. 4473.

Author

Dawson, Kyle S. ; Kneib, Jean-Paul ; Percival, Will J. ; Alam, Shadab ; Albareti, Franco D. ; Anderson, Scott F. ; Armengaud, Eric ; Aubourg, Eric ; Bailey, Stephen ; Bautista, Julian E. ; Berlind, Andreas A. ; Bershady, Matthew A. ; Beutler, Florian ; Bizyaev, Dmitry ; Blanton, Michael R. ; Blomqvist, Michael ; Bolton, Adam S. ; Bovy, Jo ; Brandt, W. N. ; Brinkmann, Jon ; Brownstein, Joel R. ; Burtin, Etienne ; Busca, N. G. ; Cai, Zheng ; Chuang, Chia-Hsun ; Clerc, Nicolas ; Comparat, Johan ; Cope, Frances ; Croft, Rupert A. C. ; Cruz-Gonzalez, Irene ; da Costa, Luiz N. ; Cousinou, Marie-Claude ; Darling, Jeremy ; de la Torre, Sylvain ; Delubac, Timothee ; du Mas des Bourboux, Helion ; Dwelly, Tom ; Ealet, Anne ; Eisenstein, Daniel J. ; Eracleous, Michael ; Escoffier, S. ; Fan, Xiaohui ; Finoguenov, Alexis ; Font-Ribera, Andreu ; Frinchaboy, Peter ; Gaulme, Patrick ; Georgakakis, Antonis ; Green, Paul ; Guo, Hong ; Guy, Julien ; Ho, Shirley ; Holder, Diana ; Huehnerhoff, Joe ; Hutchinson, Timothy ; Jing, Yipeng ; Jullo, Eric ; Kamble, Vikrant ; Kinemuchi, Karen ; Kirkby, David ; Kitaura, Francisco-Shu ; Klaene, Mark A. ; Laher, Russ R. ; Lang, Dustin ; Laurent, Pierre ; Le Goff, Jean-Marc ; Li, Cheng ; Liang, Yu ; Lima, Marcos ; Lin, Qiufan ; Lin, Weipeng ; Lin, Yen-Ting ; Long, Daniel C. ; Lundgren, Britt ; MacDonald, Nicholas ; Geimba Maia, Marcio Antonio ; Malanushenko, Elena ; Malanushenko, Viktor ; Mariappan, Vivek ; McBride, Cameron K. ; McGreer, Ian D. ; Menard, Brice ; Merloni, Andrea ; Meza, Andres ; Montero-Dorta, Antonio D. ; Muna, Demitri ; Myers, Adam D. ; Nandra, Kirpal ; Naugle, Tracy ; Newman, Jeffrey A. ; Noterdaeme, Pasquier ; Nugent, Peter ; Ogando, Ricardo ; Olmstead, Matthew D. ; Oravetz, Audrey ; Oravetz, Daniel J. ; Padmanabhan, Nikhil ; Palanque-Delabrouille, Nathalie ; Pan, Kaike ; Parejko, John K. ; Paris, Isabelle ; Peacock, John A. ; Petitjean, Patrick ; Pieri, Matthew M. ; Pisani, Alice ; Prada, Francisco ; Prakash, Abhishek ; Raichoor, Anand ; Reid, Beth ; Rich, James ; Ridl, Jethro ; Rodriguez-Torres, Sergio ; Carnero Rosell, Aurelio ; Ross, Ashley J. ; Rossi, Graziano ; Ruan, John ; Salvato, Mara ; Sayres, Conor ; Schneider, Donald P. ; Schlegel, David J. ; Seljak, Uros ; Seo, Hee-Jong ; Sesar, Branimir ; Shandera, Sarah ; Shu, Yiping ; Slosar, Anze ; Sobreira, Flavia ; Strauss, Michael A. ; Streblyanska, Alina ; Suzuki, Nao ; Tao, Charling ; Tinker, Jeremy L. ; Tojeiro, Rita ; Vargas-Magana, Mariana ; Wang, Yuting ; Weaver, Benjamin A. ; Weinberg, David H. ; White, Martin ; Wood-Vasey, W. M. ; Yeche, Christophe ; Zhai, Zhongxu ; Zhao, Cheng ; Zhao, Gong-bo ; Zheng, Zheng ; Ben Zhu, Guangtun ; Zou, Hu. / The SDSS-IV extended Baryon Oscillation Spectroscopic Survey : Overview and Early Data. In: ArXiv e-prints. 2015 ; Vol. 1508.

Bibtex - Download

@article{104ef8bf37d544b785443e21bf4f2268,
title = "The SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Overview and Early Data",
abstract = "The Extended Baryon Oscillation Spectroscopic Survey (eBOSS) will conduct novel cosmological observations using the BOSS spectrograph at Apache Point Observatory. Observations will be simultaneous with the Time Domain Spectroscopic Survey (TDSS) designed for variability studies and the Spectroscopic Identification of eROSITA Sources (SPIDERS) program designed for studies of X-ray sources. eBOSS will use four different tracers to measure the distance-redshift relation with baryon acoustic oscillations (BAO) in the clustering of matter. Using more than 250,000 new, spectroscopically confirmed luminous red galaxies at a median redshift z=0.72, we project that eBOSS will yield measurements of $d_A(z)$ to an accuracy of 1.2% and measurements of H(z) to 2.1% when combined with the z>0.6 sample of BOSS galaxies. With ~195,000 new emission line galaxy redshifts, we expect BAO measurements of $d_A(z)$ to an accuracy of 3.1% and H(z) to 4.7% at an effective redshift of z= 0.87. A sample of more than 500,000 spectroscopically-confirmed quasars will provide the first BAO distance measurements over the redshift range 0.92.1; these new data will enhance the precision of $d_A(z)$ and H(z) by a factor of 1.44 relative to BOSS. Furthermore, eBOSS will provide new tests of General Relativity on cosmological scales through redshift-space distortion measurements, new tests for non-Gaussianity in the primordial density field, and new constraints on the summed mass of all neutrino species. Here, we provide an overview of the cosmological goals, spectroscopic target sample, demonstration of spectral quality from early data, and projected cosmological constraints from eBOSS.",
keywords = "Astrophysics - Cosmology and Nongalactic Astrophysics",
author = "Dawson, {Kyle S.} and Jean-Paul Kneib and Percival, {Will J.} and Shadab Alam and Albareti, {Franco D.} and Anderson, {Scott F.} and Eric Armengaud and Eric Aubourg and Stephen Bailey and Bautista, {Julian E.} and Berlind, {Andreas A.} and Bershady, {Matthew A.} and Florian Beutler and Dmitry Bizyaev and Blanton, {Michael R.} and Michael Blomqvist and Bolton, {Adam S.} and Jo Bovy and Brandt, {W. N.} and Jon Brinkmann and Brownstein, {Joel R.} and Etienne Burtin and Busca, {N. G.} and Zheng Cai and Chia-Hsun Chuang and Nicolas Clerc and Johan Comparat and Frances Cope and Croft, {Rupert A. C.} and Irene Cruz-Gonzalez and {da Costa}, {Luiz N.} and Marie-Claude Cousinou and Jeremy Darling and {de la Torre}, Sylvain and Timothee Delubac and {du Mas des Bourboux}, Helion and Tom Dwelly and Anne Ealet and Eisenstein, {Daniel J.} and Michael Eracleous and S. Escoffier and Xiaohui Fan and Alexis Finoguenov and Andreu Font-Ribera and Peter Frinchaboy and Patrick Gaulme and Antonis Georgakakis and Paul Green and Hong Guo and Julien Guy and Shirley Ho and Diana Holder and Joe Huehnerhoff and Timothy Hutchinson and Yipeng Jing and Eric Jullo and Vikrant Kamble and Karen Kinemuchi and David Kirkby and Francisco-Shu Kitaura and Klaene, {Mark A.} and Laher, {Russ R.} and Dustin Lang and Pierre Laurent and {Le Goff}, Jean-Marc and Cheng Li and Yu Liang and Marcos Lima and Qiufan Lin and Weipeng Lin and Yen-Ting Lin and Long, {Daniel C.} and Britt Lundgren and Nicholas MacDonald and {Geimba Maia}, {Marcio Antonio} and Elena Malanushenko and Viktor Malanushenko and Vivek Mariappan and McBride, {Cameron K.} and McGreer, {Ian D.} and Brice Menard and Andrea Merloni and Andres Meza and Montero-Dorta, {Antonio D.} and Demitri Muna and Myers, {Adam D.} and Kirpal Nandra and Tracy Naugle and Newman, {Jeffrey A.} and Pasquier Noterdaeme and Peter Nugent and Ricardo Ogando and Olmstead, {Matthew D.} and Audrey Oravetz and Oravetz, {Daniel J.} and Nikhil Padmanabhan and Nathalie Palanque-Delabrouille and Kaike Pan and Parejko, {John K.} and Isabelle Paris and Peacock, {John A.} and Patrick Petitjean and Pieri, {Matthew M.} and Alice Pisani and Francisco Prada and Abhishek Prakash and Anand Raichoor and Beth Reid and James Rich and Jethro Ridl and Sergio Rodriguez-Torres and {Carnero Rosell}, Aurelio and Ross, {Ashley J.} and Graziano Rossi and John Ruan and Mara Salvato and Conor Sayres and Schneider, {Donald P.} and Schlegel, {David J.} and Uros Seljak and Hee-Jong Seo and Branimir Sesar and Sarah Shandera and Yiping Shu and Anze Slosar and Flavia Sobreira and Strauss, {Michael A.} and Alina Streblyanska and Nao Suzuki and Charling Tao and Tinker, {Jeremy L.} and Rita Tojeiro and Mariana Vargas-Magana and Yuting Wang and Weaver, {Benjamin A.} and Weinberg, {David H.} and Martin White and Wood-Vasey, {W. M.} and Christophe Yeche and Zhongxu Zhai and Cheng Zhao and Gong-bo Zhao and Zheng Zheng and {Ben Zhu}, Guangtun and Hu Zou",
year = "2015",
month = aug,
day = "1",
language = "English",
volume = "1508",
journal = "ArXiv e-prints",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - The SDSS-IV extended Baryon Oscillation Spectroscopic Survey

T2 - Overview and Early Data

AU - Dawson, Kyle S.

AU - Kneib, Jean-Paul

AU - Percival, Will J.

AU - Alam, Shadab

AU - Albareti, Franco D.

AU - Anderson, Scott F.

AU - Armengaud, Eric

AU - Aubourg, Eric

AU - Bailey, Stephen

AU - Bautista, Julian E.

AU - Berlind, Andreas A.

AU - Bershady, Matthew A.

AU - Beutler, Florian

AU - Bizyaev, Dmitry

AU - Blanton, Michael R.

AU - Blomqvist, Michael

AU - Bolton, Adam S.

AU - Bovy, Jo

AU - Brandt, W. N.

AU - Brinkmann, Jon

AU - Brownstein, Joel R.

AU - Burtin, Etienne

AU - Busca, N. G.

AU - Cai, Zheng

AU - Chuang, Chia-Hsun

AU - Clerc, Nicolas

AU - Comparat, Johan

AU - Cope, Frances

AU - Croft, Rupert A. C.

AU - Cruz-Gonzalez, Irene

AU - da Costa, Luiz N.

AU - Cousinou, Marie-Claude

AU - Darling, Jeremy

AU - de la Torre, Sylvain

AU - Delubac, Timothee

AU - du Mas des Bourboux, Helion

AU - Dwelly, Tom

AU - Ealet, Anne

AU - Eisenstein, Daniel J.

AU - Eracleous, Michael

AU - Escoffier, S.

AU - Fan, Xiaohui

AU - Finoguenov, Alexis

AU - Font-Ribera, Andreu

AU - Frinchaboy, Peter

AU - Gaulme, Patrick

AU - Georgakakis, Antonis

AU - Green, Paul

AU - Guo, Hong

AU - Guy, Julien

AU - Ho, Shirley

AU - Holder, Diana

AU - Huehnerhoff, Joe

AU - Hutchinson, Timothy

AU - Jing, Yipeng

AU - Jullo, Eric

AU - Kamble, Vikrant

AU - Kinemuchi, Karen

AU - Kirkby, David

AU - Kitaura, Francisco-Shu

AU - Klaene, Mark A.

AU - Laher, Russ R.

AU - Lang, Dustin

AU - Laurent, Pierre

AU - Le Goff, Jean-Marc

AU - Li, Cheng

AU - Liang, Yu

AU - Lima, Marcos

AU - Lin, Qiufan

AU - Lin, Weipeng

AU - Lin, Yen-Ting

AU - Long, Daniel C.

AU - Lundgren, Britt

AU - MacDonald, Nicholas

AU - Geimba Maia, Marcio Antonio

AU - Malanushenko, Elena

AU - Malanushenko, Viktor

AU - Mariappan, Vivek

AU - McBride, Cameron K.

AU - McGreer, Ian D.

AU - Menard, Brice

AU - Merloni, Andrea

AU - Meza, Andres

AU - Montero-Dorta, Antonio D.

AU - Muna, Demitri

AU - Myers, Adam D.

AU - Nandra, Kirpal

AU - Naugle, Tracy

AU - Newman, Jeffrey A.

AU - Noterdaeme, Pasquier

AU - Nugent, Peter

AU - Ogando, Ricardo

AU - Olmstead, Matthew D.

AU - Oravetz, Audrey

AU - Oravetz, Daniel J.

AU - Padmanabhan, Nikhil

AU - Palanque-Delabrouille, Nathalie

AU - Pan, Kaike

AU - Parejko, John K.

AU - Paris, Isabelle

AU - Peacock, John A.

AU - Petitjean, Patrick

AU - Pieri, Matthew M.

AU - Pisani, Alice

AU - Prada, Francisco

AU - Prakash, Abhishek

AU - Raichoor, Anand

AU - Reid, Beth

AU - Rich, James

AU - Ridl, Jethro

AU - Rodriguez-Torres, Sergio

AU - Carnero Rosell, Aurelio

AU - Ross, Ashley J.

AU - Rossi, Graziano

AU - Ruan, John

AU - Salvato, Mara

AU - Sayres, Conor

AU - Schneider, Donald P.

AU - Schlegel, David J.

AU - Seljak, Uros

AU - Seo, Hee-Jong

AU - Sesar, Branimir

AU - Shandera, Sarah

AU - Shu, Yiping

AU - Slosar, Anze

AU - Sobreira, Flavia

AU - Strauss, Michael A.

AU - Streblyanska, Alina

AU - Suzuki, Nao

AU - Tao, Charling

AU - Tinker, Jeremy L.

AU - Tojeiro, Rita

AU - Vargas-Magana, Mariana

AU - Wang, Yuting

AU - Weaver, Benjamin A.

AU - Weinberg, David H.

AU - White, Martin

AU - Wood-Vasey, W. M.

AU - Yeche, Christophe

AU - Zhai, Zhongxu

AU - Zhao, Cheng

AU - Zhao, Gong-bo

AU - Zheng, Zheng

AU - Ben Zhu, Guangtun

AU - Zou, Hu

PY - 2015/8/1

Y1 - 2015/8/1

N2 - The Extended Baryon Oscillation Spectroscopic Survey (eBOSS) will conduct novel cosmological observations using the BOSS spectrograph at Apache Point Observatory. Observations will be simultaneous with the Time Domain Spectroscopic Survey (TDSS) designed for variability studies and the Spectroscopic Identification of eROSITA Sources (SPIDERS) program designed for studies of X-ray sources. eBOSS will use four different tracers to measure the distance-redshift relation with baryon acoustic oscillations (BAO) in the clustering of matter. Using more than 250,000 new, spectroscopically confirmed luminous red galaxies at a median redshift z=0.72, we project that eBOSS will yield measurements of $d_A(z)$ to an accuracy of 1.2% and measurements of H(z) to 2.1% when combined with the z>0.6 sample of BOSS galaxies. With ~195,000 new emission line galaxy redshifts, we expect BAO measurements of $d_A(z)$ to an accuracy of 3.1% and H(z) to 4.7% at an effective redshift of z= 0.87. A sample of more than 500,000 spectroscopically-confirmed quasars will provide the first BAO distance measurements over the redshift range 0.92.1; these new data will enhance the precision of $d_A(z)$ and H(z) by a factor of 1.44 relative to BOSS. Furthermore, eBOSS will provide new tests of General Relativity on cosmological scales through redshift-space distortion measurements, new tests for non-Gaussianity in the primordial density field, and new constraints on the summed mass of all neutrino species. Here, we provide an overview of the cosmological goals, spectroscopic target sample, demonstration of spectral quality from early data, and projected cosmological constraints from eBOSS.

AB - The Extended Baryon Oscillation Spectroscopic Survey (eBOSS) will conduct novel cosmological observations using the BOSS spectrograph at Apache Point Observatory. Observations will be simultaneous with the Time Domain Spectroscopic Survey (TDSS) designed for variability studies and the Spectroscopic Identification of eROSITA Sources (SPIDERS) program designed for studies of X-ray sources. eBOSS will use four different tracers to measure the distance-redshift relation with baryon acoustic oscillations (BAO) in the clustering of matter. Using more than 250,000 new, spectroscopically confirmed luminous red galaxies at a median redshift z=0.72, we project that eBOSS will yield measurements of $d_A(z)$ to an accuracy of 1.2% and measurements of H(z) to 2.1% when combined with the z>0.6 sample of BOSS galaxies. With ~195,000 new emission line galaxy redshifts, we expect BAO measurements of $d_A(z)$ to an accuracy of 3.1% and H(z) to 4.7% at an effective redshift of z= 0.87. A sample of more than 500,000 spectroscopically-confirmed quasars will provide the first BAO distance measurements over the redshift range 0.92.1; these new data will enhance the precision of $d_A(z)$ and H(z) by a factor of 1.44 relative to BOSS. Furthermore, eBOSS will provide new tests of General Relativity on cosmological scales through redshift-space distortion measurements, new tests for non-Gaussianity in the primordial density field, and new constraints on the summed mass of all neutrino species. Here, we provide an overview of the cosmological goals, spectroscopic target sample, demonstration of spectral quality from early data, and projected cosmological constraints from eBOSS.

KW - Astrophysics - Cosmology and Nongalactic Astrophysics

UR - http://adsabs.harvard.edu/abs/2015arXiv150804473D

M3 - Article

VL - 1508

JO - ArXiv e-prints

JF - ArXiv e-prints

M1 - 4473

ER -

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    Research output: Contribution to journalArticle

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    Cardea, I., Grassani, D., Fabbri, S. J., Upham, J., Boyd, R. W., Altug, H., Schulz, S. A., Tsakmakidis, K. L. & Brès, C-S., 20 Mar 2019, (Submitted) In : ArXiv e-prints.

    Research output: Contribution to journalArticle

ID: 220720996

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