Searches for Continuous Gravitational Waves from Young Supernova Remnants in the Early Third Observing Run of Advanced LIGO and Virgo

R. Abbott; T.D. Abbott; S. Abraham; F. Acernese; K. Ackley; A. Adams; C. Adams; R.X. Adhikari; V.B. Adya; C. Affeldt; D. Agarwal; M. Agathos; K. Agatsuma; N. Aggarwal; O.D. Aguiar; L. Aiello; A. Ain; P. Ajith; T. Akutsu; K.M. Aleman; G. Allen; A. Allocca; P.A. Altin; A. Amato; S. Anand; A. Ananyeva; S.B. Anderson; W.G. Anderson; M. Ando; S.V. Angelova; S. Ansoldi; J.M. Antelis; S. Antier; S. Appert; K. Arai; Y. Arai; S. Araki; A. Araya; M.C. Araya; J.S. Areeda; M. Arene; N. Aritomi; N. Arnaud; S.M. Aronson; K.G. Arun; H. Asada; Y. Asali; G. Ashton; Y. Aso; Stefan Hild; Stefan Danilishin; Jessica Steinlechner; Sebastian Steinlechner; Margot Hennig; Jan-Simon Hennig; Andrei Utina; Viola Spagnuolo; Johannes van den Brand

doi:10.3847/1538-4357/ac17ea

Searches for Continuous Gravitational Waves from Young Supernova Remnants in the Early Third Observing Run of Advanced LIGO and Virgo

R. Abbott^*, T.D. Abbott^*, S. Abraham, F. Acernese, K. Ackley, A. Adams, C. Adams, R.X. Adhikari, V.B. Adya, C. Affeldt, D. Agarwal, M. Agathos, K. Agatsuma, N. Aggarwal, O.D. Aguiar, L. Aiello, A. Ain, P. Ajith, T. Akutsu, K.M. AlemanG. Allen, A. Allocca, P.A. Altin, A. Amato, S. Anand, A. Ananyeva, S.B. Anderson, W.G. Anderson, M. Ando, S.V. Angelova, S. Ansoldi, J.M. Antelis, S. Antier, S. Appert, K. Arai, Y. Arai, S. Araki, A. Araya, M.C. Araya, J.S. Areeda, M. Arene, N. Aritomi, N. Arnaud, S.M. Aronson, K.G. Arun, H. Asada, Y. Asali, G. Ashton, Y. Aso, Stefan Hild, Stefan Danilishin, Jessica Steinlechner, Sebastian Steinlechner, Margot Hennig, Jan-Simon Hennig, Andrei Utina, Viola Spagnuolo, Johannes van den Brand

^*Corresponding author for this work

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Abstract

We present results of three wide-band directed searches for continuous gravitational waves from 15 young supernova remnants in the first half of the third Advanced LIGO and Virgo observing run. We use three search pipelines with distinct signal models and methods of identifying noise artifacts. Without ephemerides of these sources, the searches are conducted over a fRequency band spanning from 10 to 2 kHz. We find no evidence of continuous gravitational radiation from these sources. We set upper limits on the intrinsic signal strain at 95% confidence level in sample subbands, estimate the sensitivity in the full band, and derive the corresponding constraints on the fiducial neutron star ellipticity and r-mode amplitude. The best 95% confidence constraints placed on the signal strain are 7.7 x 10(-26) and 7.8 x 10(-26) near 200 Hz for the supernova remnants G39.2-0.3 and G65.7+1.2, respectively. The most stringent constraints on the ellipticity and r-mode amplitude reach less than or similar to 10(-7) and less than or similar to 10(-5), respectively, at frequencies above similar to 400 Hz for the closest supernova remnant G266.2-1.2/Vela Jr.

Original language	English
Article number	80
Number of pages	29
Journal	Astrophysical Journal
Volume	921
Issue number	1
DOIs	https://doi.org/10.3847/1538-4357/ac17ea
Publication status	Published - 1 Nov 2021

Keywords

X-RAY
TIMING NOISE
DA 495
PULSAR
CASSIOPEIA
EMISSION
CONSTRAINTS
G291.0-0.1
CHANDRA
OBJECT

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10.3847/1538-4357/ac17ea

Full TextFinal published version, 2.66 KBLicence: Taverne

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Cite this

Abbott, R., Abbott, T. D., Abraham, S., Acernese, F., Ackley, K., Adams, A., Adams, C., Adhikari, R. X., Adya, V. B., Affeldt, C., Agarwal, D., Agathos, M., Agatsuma, K., Aggarwal, N., Aguiar, O. D., Aiello, L., Ain, A., Ajith, P., Akutsu, T., ... van den Brand, J. (2021). Searches for Continuous Gravitational Waves from Young Supernova Remnants in the Early Third Observing Run of Advanced LIGO and Virgo. Astrophysical Journal, 921(1), Article 80. https://doi.org/10.3847/1538-4357/ac17ea

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title = "Searches for Continuous Gravitational Waves from Young Supernova Remnants in the Early Third Observing Run of Advanced LIGO and Virgo",

abstract = "We present results of three wide-band directed searches for continuous gravitational waves from 15 young supernova remnants in the first half of the third Advanced LIGO and Virgo observing run. We use three search pipelines with distinct signal models and methods of identifying noise artifacts. Without ephemerides of these sources, the searches are conducted over a fRequency band spanning from 10 to 2 kHz. We find no evidence of continuous gravitational radiation from these sources. We set upper limits on the intrinsic signal strain at 95% confidence level in sample subbands, estimate the sensitivity in the full band, and derive the corresponding constraints on the fiducial neutron star ellipticity and r-mode amplitude. The best 95% confidence constraints placed on the signal strain are 7.7 x 10(-26) and 7.8 x 10(-26) near 200 Hz for the supernova remnants G39.2-0.3 and G65.7+1.2, respectively. The most stringent constraints on the ellipticity and r-mode amplitude reach less than or similar to 10(-7) and less than or similar to 10(-5), respectively, at frequencies above similar to 400 Hz for the closest supernova remnant G266.2-1.2/Vela Jr.",

keywords = "X-RAY, TIMING NOISE, DA 495, PULSAR, CASSIOPEIA, EMISSION, CONSTRAINTS, G291.0-0.1, CHANDRA, OBJECT",

author = "R. Abbott and T.D. Abbott and S. Abraham and F. Acernese and K. Ackley and A. Adams and C. Adams and R.X. Adhikari and V.B. Adya and C. Affeldt and D. Agarwal and M. Agathos and K. Agatsuma and N. Aggarwal and O.D. Aguiar and L. Aiello and A. Ain and P. Ajith and T. Akutsu and K.M. Aleman and G. Allen and A. Allocca and P.A. Altin and A. Amato and S. Anand and A. Ananyeva and S.B. Anderson and W.G. Anderson and M. Ando and S.V. Angelova and S. Ansoldi and J.M. Antelis and S. Antier and S. Appert and K. Arai and Y. Arai and S. Araki and A. Araya and M.C. Araya and J.S. Areeda and M. Arene and N. Aritomi and N. Arnaud and S.M. Aronson and K.G. Arun and H. Asada and Y. Asali and G. Ashton and Y. Aso and Stefan Hild and Stefan Danilishin and Jessica Steinlechner and Sebastian Steinlechner and Margot Hennig and Jan-Simon Hennig and Andrei Utina and Viola Spagnuolo and {van den Brand}, Johannes",

year = "2021",

month = nov,

day = "1",

doi = "10.3847/1538-4357/ac17ea",

language = "English",

volume = "921",

journal = "Astrophysical Journal",

issn = "0004-637X",

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Abbott, R, Abbott, TD, Abraham, S, Acernese, F, Ackley, K, Adams, A, Adams, C, Adhikari, RX, Adya, VB, Affeldt, C, Agarwal, D, Agathos, M, Agatsuma, K, Aggarwal, N, Aguiar, OD, Aiello, L, Ain, A, Ajith, P, Akutsu, T, Aleman, KM, Allen, G, Allocca, A, Altin, PA, Amato, A, Anand, S, Ananyeva, A, Anderson, SB, Anderson, WG, Ando, M, Angelova, SV, Ansoldi, S, Antelis, JM, Antier, S, Appert, S, Arai, K, Arai, Y, Araki, S, Araya, A, Araya, MC, Areeda, JS, Arene, M, Aritomi, N, Arnaud, N, Aronson, SM, Arun, KG, Asada, H, Asali, Y, Ashton, G, Aso, Y, Hild, S , Danilishin, S , Steinlechner, J , Steinlechner, S , Hennig, M , Hennig, J-S , Utina, A , Spagnuolo, V & van den Brand, J 2021, 'Searches for Continuous Gravitational Waves from Young Supernova Remnants in the Early Third Observing Run of Advanced LIGO and Virgo', Astrophysical Journal, vol. 921, no. 1, 80. https://doi.org/10.3847/1538-4357/ac17ea

TY - JOUR

T1 - Searches for Continuous Gravitational Waves from Young Supernova Remnants in the Early Third Observing Run of Advanced LIGO and Virgo

AU - Abbott, R.

AU - Abbott, T.D.

AU - Abraham, S.

AU - Acernese, F.

AU - Ackley, K.

AU - Adams, A.

AU - Adams, C.

AU - Adhikari, R.X.

AU - Adya, V.B.

AU - Affeldt, C.

AU - Agarwal, D.

AU - Agathos, M.

AU - Agatsuma, K.

AU - Aggarwal, N.

AU - Aguiar, O.D.

AU - Aiello, L.

AU - Ain, A.

AU - Ajith, P.

AU - Akutsu, T.

AU - Aleman, K.M.

AU - Allen, G.

AU - Allocca, A.

AU - Altin, P.A.

AU - Amato, A.

AU - Anand, S.

AU - Ananyeva, A.

AU - Anderson, S.B.

AU - Anderson, W.G.

AU - Ando, M.

AU - Angelova, S.V.

AU - Ansoldi, S.

AU - Antelis, J.M.

AU - Antier, S.

AU - Appert, S.

AU - Arai, K.

AU - Arai, Y.

AU - Araki, S.

AU - Araya, A.

AU - Araya, M.C.

AU - Areeda, J.S.

AU - Arene, M.

AU - Aritomi, N.

AU - Arnaud, N.

AU - Aronson, S.M.

AU - Arun, K.G.

AU - Asada, H.

AU - Asali, Y.

AU - Ashton, G.

AU - Aso, Y.

AU - Hild, Stefan

AU - Danilishin, Stefan

AU - Steinlechner, Jessica

AU - Steinlechner, Sebastian

AU - Hennig, Margot

AU - Hennig, Jan-Simon

AU - Utina, Andrei

AU - Spagnuolo, Viola

AU - van den Brand, Johannes

PY - 2021/11/1

Y1 - 2021/11/1

N2 - We present results of three wide-band directed searches for continuous gravitational waves from 15 young supernova remnants in the first half of the third Advanced LIGO and Virgo observing run. We use three search pipelines with distinct signal models and methods of identifying noise artifacts. Without ephemerides of these sources, the searches are conducted over a fRequency band spanning from 10 to 2 kHz. We find no evidence of continuous gravitational radiation from these sources. We set upper limits on the intrinsic signal strain at 95% confidence level in sample subbands, estimate the sensitivity in the full band, and derive the corresponding constraints on the fiducial neutron star ellipticity and r-mode amplitude. The best 95% confidence constraints placed on the signal strain are 7.7 x 10(-26) and 7.8 x 10(-26) near 200 Hz for the supernova remnants G39.2-0.3 and G65.7+1.2, respectively. The most stringent constraints on the ellipticity and r-mode amplitude reach less than or similar to 10(-7) and less than or similar to 10(-5), respectively, at frequencies above similar to 400 Hz for the closest supernova remnant G266.2-1.2/Vela Jr.

AB - We present results of three wide-band directed searches for continuous gravitational waves from 15 young supernova remnants in the first half of the third Advanced LIGO and Virgo observing run. We use three search pipelines with distinct signal models and methods of identifying noise artifacts. Without ephemerides of these sources, the searches are conducted over a fRequency band spanning from 10 to 2 kHz. We find no evidence of continuous gravitational radiation from these sources. We set upper limits on the intrinsic signal strain at 95% confidence level in sample subbands, estimate the sensitivity in the full band, and derive the corresponding constraints on the fiducial neutron star ellipticity and r-mode amplitude. The best 95% confidence constraints placed on the signal strain are 7.7 x 10(-26) and 7.8 x 10(-26) near 200 Hz for the supernova remnants G39.2-0.3 and G65.7+1.2, respectively. The most stringent constraints on the ellipticity and r-mode amplitude reach less than or similar to 10(-7) and less than or similar to 10(-5), respectively, at frequencies above similar to 400 Hz for the closest supernova remnant G266.2-1.2/Vela Jr.

KW - X-RAY

KW - TIMING NOISE

KW - DA 495

KW - PULSAR

KW - CASSIOPEIA

KW - EMISSION

KW - CONSTRAINTS

KW - G291.0-0.1

KW - CHANDRA

KW - OBJECT

U2 - 10.3847/1538-4357/ac17ea

DO - 10.3847/1538-4357/ac17ea

M3 - Article

SN - 0004-637X

VL - 921

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 1

M1 - 80

ER -