Further INTEGRAL observations of IGR J17497-2821

S. Shaw; S. Soldi; N. Mowlavi; E. Kuulkers; S. Brandt; J. Chenevez; T. Courvoisier; A. D. Garau; K. Ebisawa; P. Kretschmar; C. Markwardt; T. Oosterbroek; A. Paizis; D. R. Oneca; C. Sanchez-Fernandez; R. Wijnands

Further INTEGRAL observations of IGR J17497-2821

S. Shaw, S. Soldi, N. Mowlavi, E. Kuulkers, S. Brandt, J. Chenevez, T. Courvoisier, A. D. Garau, K. Ebisawa, P. Kretschmar, C. Markwardt, T. Oosterbroek, A. Paizis, D. R. Oneca, C. Sanchez-Fernandez, R. Wijnands

Research output: Other contribution › Net publication - Internet publication › Research

Abstract

The new INTEGRAL source IGR J17497-2821 (ATel #885) has been clearly detected by IBIS/ISGRI (S/N=33, 20-60 keV) in the INTEGRAL Galactic bulge monitoring program (ATels #438, #874) on 2006, Sep 18, 08:30-12:12 (UT). The source fluxes at 20-60 keV and 60-150 keV are about 45 mCrab and 50 mCrab, respectively, indeed indicating a hard X-ray source. Preliminary spectral analysis shows the source to exhibit a power-law spectrum with a photon index of about 2.0.

Our best source position (RA, Dec = 267.410 deg, -28.358 deg, J2000; 90% confidence error of 1') is consistent with that reported in ATel #885. We note that the source is also just seen with a S/N of about 7 in the Jem-X 3-10 keV and 10-25 keV bands; further analysis is in progress.

Original language	English
Publication date	18 Sept 2006
Publication status	Published - 18 Sept 2006

Series	The Astronomer's telegram
Number	ATel #886

Keywords

X-ray
Gamma Ray
Black Hole
Neutron Star
Transient
Variables

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Shaw, S., Soldi, S., Mowlavi, N., Kuulkers, E., Brandt, S., Chenevez, J., Courvoisier, T., Garau, A. D., Ebisawa, K., Kretschmar, P., Markwardt, C., Oosterbroek, T., Paizis, A., Oneca, D. R., Sanchez-Fernandez, C., & Wijnands, R. (2006, Sept 18). Further INTEGRAL observations of IGR J17497-2821. The Astronomer's telegram No. ATel #886 http://www.astronomerstelegram.org/?read=886

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title = "Further INTEGRAL observations of IGR J17497-2821",

abstract = " The new INTEGRAL source IGR J17497-2821 (ATel #885) has been clearly detected by IBIS/ISGRI (S/N=33, 20-60 keV) in the INTEGRAL Galactic bulge monitoring program (ATels #438, #874) on 2006, Sep 18, 08:30-12:12 (UT). The source fluxes at 20-60 keV and 60-150 keV are about 45 mCrab and 50 mCrab, respectively, indeed indicating a hard X-ray source. Preliminary spectral analysis shows the source to exhibit a power-law spectrum with a photon index of about 2.0. Our best source position (RA, Dec = 267.410 deg, -28.358 deg, J2000; 90% confidence error of 1') is consistent with that reported in ATel #885. We note that the source is also just seen with a S/N of about 7 in the Jem-X 3-10 keV and 10-25 keV bands; further analysis is in progress. ",

keywords = "X-ray, Gamma Ray, Black Hole, Neutron Star, Transient, Variables",

author = "S. Shaw and S. Soldi and N. Mowlavi and E. Kuulkers and S. Brandt and J. Chenevez and T. Courvoisier and Garau, {A. D.} and K. Ebisawa and P. Kretschmar and C. Markwardt and T. Oosterbroek and A. Paizis and Oneca, {D. R.} and C. Sanchez-Fernandez and R. Wijnands",

year = "2006",

month = sep,

day = "18",

language = "English",

series = "The Astronomer's telegram",

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T1 - Further INTEGRAL observations of IGR J17497-2821

AU - Shaw, S.

AU - Soldi, S.

AU - Mowlavi, N.

AU - Kuulkers, E.

AU - Brandt, S.

AU - Chenevez, J.

AU - Courvoisier, T.

AU - Garau, A. D.

AU - Ebisawa, K.

AU - Kretschmar, P.

AU - Markwardt, C.

AU - Oosterbroek, T.

AU - Paizis, A.

AU - Oneca, D. R.

AU - Sanchez-Fernandez, C.

AU - Wijnands, R.

PY - 2006/9/18

Y1 - 2006/9/18

N2 - The new INTEGRAL source IGR J17497-2821 (ATel #885) has been clearly detected by IBIS/ISGRI (S/N=33, 20-60 keV) in the INTEGRAL Galactic bulge monitoring program (ATels #438, #874) on 2006, Sep 18, 08:30-12:12 (UT). The source fluxes at 20-60 keV and 60-150 keV are about 45 mCrab and 50 mCrab, respectively, indeed indicating a hard X-ray source. Preliminary spectral analysis shows the source to exhibit a power-law spectrum with a photon index of about 2.0. Our best source position (RA, Dec = 267.410 deg, -28.358 deg, J2000; 90% confidence error of 1') is consistent with that reported in ATel #885. We note that the source is also just seen with a S/N of about 7 in the Jem-X 3-10 keV and 10-25 keV bands; further analysis is in progress.

AB - The new INTEGRAL source IGR J17497-2821 (ATel #885) has been clearly detected by IBIS/ISGRI (S/N=33, 20-60 keV) in the INTEGRAL Galactic bulge monitoring program (ATels #438, #874) on 2006, Sep 18, 08:30-12:12 (UT). The source fluxes at 20-60 keV and 60-150 keV are about 45 mCrab and 50 mCrab, respectively, indeed indicating a hard X-ray source. Preliminary spectral analysis shows the source to exhibit a power-law spectrum with a photon index of about 2.0. Our best source position (RA, Dec = 267.410 deg, -28.358 deg, J2000; 90% confidence error of 1') is consistent with that reported in ATel #885. We note that the source is also just seen with a S/N of about 7 in the Jem-X 3-10 keV and 10-25 keV bands; further analysis is in progress.

KW - X-ray

KW - Gamma Ray

KW - Black Hole

KW - Neutron Star

KW - Transient

KW - Variables

M3 - Net publication - Internet publication

T3 - The Astronomer's telegram

ER -

Further INTEGRAL observations of IGR J17497-2821

Abstract

Keywords

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