Daily monitor of Sagittarius A* at 22 GHz with the Japanese VLBI Network

M. Tsuboi; Y. Asaki; Y. Yonekura; Y. Miyamoto; H. Kaneko; M. Seta; N. Nakai; O. Kameya; M. Miyoshi; H. Takaba; K. Wakamatsu; Y. Fukuzaki; T. Morimitsu; K. Uehara; M. Sekido; T. Oka; S. Takekawa; T. Omodaka; T. Handa; A. Takumi

doi:10.1017/S1743921314000969

Daily monitor of Sagittarius A* at 22 GHz with the Japanese VLBI Network

M. Tsuboi, Y. Asaki, Y. Yonekura, Y. Miyamoto, H. Kaneko, M. Seta, N. Nakai, O. Kameya, M. Miyoshi, H. Takaba, K. Wakamatsu, Y. Fukuzaki, T. Morimitsu, K. Uehara, M. Sekido, T. Oka, S. Takekawa, T. Omodaka, T. Handa, A. Takumi

Department of Physics

Research output: Contribution to journal › Article › peer-review

Abstract

We have been monitoring the flux density of Sagittarius A* (Sgr A*) at 22 GHz since DOY=42 (11 Feb. 2013) with a sub-array of the Japanese VLBI Network in order to search the increase of 22-GHz emission from Sgr A* induced by the interaction of the G2 cloud with the accretion disk. The flux densities observed until DOY=322 (18 Nov. 2013) are consistent with the previously observed values before the approaching of the cloud. We have detected no large flare during this period.

Original language	English
Pages (from-to)	382-384
Number of pages	3
Journal	Proceedings of the International Astronomical Union
Volume	9
Issue number	S303
DOIs	https://doi.org/10.1017/S1743921314000969
Publication status	Published - 2014 May

Keywords

Galaxy: center
galaxies: active
galaxies: nuclei

ASJC Scopus subject areas

Medicine (miscellaneous)
Astronomy and Astrophysics
Nutrition and Dietetics
Public Health, Environmental and Occupational Health
Space and Planetary Science

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Tsuboi, M., Asaki, Y., Yonekura, Y., Miyamoto, Y., Kaneko, H., Seta, M., Nakai, N., Kameya, O., Miyoshi, M., Takaba, H., Wakamatsu, K., Fukuzaki, Y., Morimitsu, T., Uehara, K., Sekido, M., Oka, T., Takekawa, S., Omodaka, T., Handa, T., & Takumi, A. (2014). Daily monitor of Sagittarius A* at 22 GHz with the Japanese VLBI Network. Proceedings of the International Astronomical Union, 9(S303), 382-384. https://doi.org/10.1017/S1743921314000969

Daily monitor of Sagittarius A* at 22 GHz with the Japanese VLBI Network. / Tsuboi, M.; Asaki, Y.; Yonekura, Y.; Miyamoto, Y.; Kaneko, H.; Seta, M.; Nakai, N.; Kameya, O.; Miyoshi, M.; Takaba, H.; Wakamatsu, K.; Fukuzaki, Y.; Morimitsu, T.; Uehara, K.; Sekido, M.; Oka, T.; Takekawa, S.; Omodaka, T.; Handa, T.; Takumi, A.

In: Proceedings of the International Astronomical Union, Vol. 9, No. S303, 05.2014, p. 382-384.

Research output: Contribution to journal › Article › peer-review

Tsuboi, M, Asaki, Y, Yonekura, Y, Miyamoto, Y, Kaneko, H, Seta, M, Nakai, N, Kameya, O, Miyoshi, M, Takaba, H, Wakamatsu, K, Fukuzaki, Y, Morimitsu, T, Uehara, K, Sekido, M, Oka, T, Takekawa, S, Omodaka, T, Handa, T & Takumi, A 2014, 'Daily monitor of Sagittarius A* at 22 GHz with the Japanese VLBI Network', Proceedings of the International Astronomical Union, vol. 9, no. S303, pp. 382-384. https://doi.org/10.1017/S1743921314000969

Tsuboi, M. ; Asaki, Y. ; Yonekura, Y. ; Miyamoto, Y. ; Kaneko, H. ; Seta, M. ; Nakai, N. ; Kameya, O. ; Miyoshi, M. ; Takaba, H. ; Wakamatsu, K. ; Fukuzaki, Y. ; Morimitsu, T. ; Uehara, K. ; Sekido, M. ; Oka, T. ; Takekawa, S. ; Omodaka, T. ; Handa, T. ; Takumi, A. / Daily monitor of Sagittarius A* at 22 GHz with the Japanese VLBI Network. In: Proceedings of the International Astronomical Union. 2014 ; Vol. 9, No. S303. pp. 382-384.

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title = "Daily monitor of Sagittarius A* at 22 GHz with the Japanese VLBI Network",

abstract = "We have been monitoring the flux density of Sagittarius A* (Sgr A*) at 22 GHz since DOY=42 (11 Feb. 2013) with a sub-array of the Japanese VLBI Network in order to search the increase of 22-GHz emission from Sgr A* induced by the interaction of the G2 cloud with the accretion disk. The flux densities observed until DOY=322 (18 Nov. 2013) are consistent with the previously observed values before the approaching of the cloud. We have detected no large flare during this period.",

keywords = "Galaxy: center, galaxies: active, galaxies: nuclei",

author = "M. Tsuboi and Y. Asaki and Y. Yonekura and Y. Miyamoto and H. Kaneko and M. Seta and N. Nakai and O. Kameya and M. Miyoshi and H. Takaba and K. Wakamatsu and Y. Fukuzaki and T. Morimitsu and K. Uehara and M. Sekido and T. Oka and S. Takekawa and T. Omodaka and T. Handa and A. Takumi",

year = "2014",

month = may,

doi = "10.1017/S1743921314000969",

language = "English",

volume = "9",

pages = "382--384",

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AU - Tsuboi, M.

AU - Asaki, Y.

AU - Yonekura, Y.

AU - Miyamoto, Y.

AU - Kaneko, H.

AU - Seta, M.

AU - Nakai, N.

AU - Kameya, O.

AU - Miyoshi, M.

AU - Takaba, H.

AU - Wakamatsu, K.

AU - Fukuzaki, Y.

AU - Morimitsu, T.

AU - Uehara, K.

AU - Sekido, M.

AU - Oka, T.

AU - Takekawa, S.

AU - Omodaka, T.

AU - Handa, T.

AU - Takumi, A.

PY - 2014/5

Y1 - 2014/5

N2 - We have been monitoring the flux density of Sagittarius A* (Sgr A*) at 22 GHz since DOY=42 (11 Feb. 2013) with a sub-array of the Japanese VLBI Network in order to search the increase of 22-GHz emission from Sgr A* induced by the interaction of the G2 cloud with the accretion disk. The flux densities observed until DOY=322 (18 Nov. 2013) are consistent with the previously observed values before the approaching of the cloud. We have detected no large flare during this period.

AB - We have been monitoring the flux density of Sagittarius A* (Sgr A*) at 22 GHz since DOY=42 (11 Feb. 2013) with a sub-array of the Japanese VLBI Network in order to search the increase of 22-GHz emission from Sgr A* induced by the interaction of the G2 cloud with the accretion disk. The flux densities observed until DOY=322 (18 Nov. 2013) are consistent with the previously observed values before the approaching of the cloud. We have detected no large flare during this period.

KW - Galaxy: center

KW - galaxies: active

KW - galaxies: nuclei

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JO - Proceedings of the International Astronomical Union

JF - Proceedings of the International Astronomical Union

SN - 1743-9213

IS - S303

ER -

Daily monitor of Sagittarius A* at 22 GHz with the Japanese VLBI Network

Abstract

Keywords

ASJC Scopus subject areas

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