J/ApJS/179/360 Thermonuclear X-ray bursts observed by RXTE (Galloway+, 2008)
Thermonuclear (type-I) X-ray bursts observed by the Rossi X-ray Timing Explorer.
Galloway D.K., Muno M.P., Hartman J.M., Psaltis D., Chakrabarty D.
<Astrophys. J. Suppl. Ser. 179, 360 (2008)>
=2008ApJS..179..360G 2008ApJS..179..360G
ADC_Keywords: X-ray sources
Keywords: nuclear reactions, nucleosynthesis, abundances - stars: distances -
stars: neutron - X-rays: bursts
Description:
We present a sample of 1187 thermonuclear (type-I) X-ray bursts from
public (archival) observations of 48 low-mass X-ray binaries accreting
neutron stars by the Rossi X-ray Timing Explorer, spanning 1996
January - 2007 June 3. For each burst, we list results of analysis of
data from the Proportional Counter Array, including observed count
rates, time-resolved spectroscopy, evolution of the burst lightcurve,
and details of the persistent flux and source spectral state at the
time of the burst.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
sources.dat 60 48 Sources list
table6.dat 301 1187 Table of burst parameters
refs.dat 49 51 References
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See also:
J/A+A/458/21 : INTEGRAL burst observations of 4U 1728-34 (Falanga+, 2006)
J/PAZh/32/508 : Hard X-ray Bursts by INTEGRAL in 2003-2004 (Chelovekov+, 2006)
Byte-by-byte Description of file: sources.dat
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Bytes Format Units Label Explanations
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1- 17 A17 --- Name Object identification
20- 21 I2 h RAh Simbad right ascension (J2000)
23- 24 I2 min RAm Simbad right ascension (J2000)
26- 29 F4.1 s RAs Simbad right ascension (J2000)
31 A1 --- DE- Simbad declination sign (J2000)
32- 33 I2 deg DEd Simbad declination (J2000)
35- 36 I2 arcmin DEm Simbad declination (J2000)
38- 39 I2 arcsec DEs Simbad declination (J2000)
43- 60 A18 --- SName Simbad name
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Byte-by-byte Description of file: table6.dat
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Bytes Format Units Label Explanations
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1- 17 A17 --- Name Object identification
19- 21 I3 --- ID Burst number
23- 27 A5 --- f_ID [a-h, ] Note on the burst (1)
29- 43 A15 --- OID RXTE observational identification,
(NNNNN-NN-NN-NNA)
45- 54 A10 "YYYY/MM/DD" Obs.date UT year of start time (2)
56- 57 I2 h Obs.h UT hour of start time (2)
59- 60 I2 min Obs.m UT minute of start time (2)
62- 63 I2 s Obs.s UT second of start time (2)
65- 75 F11.5 d MJD Modified Julian Date of start time (2)
77 A1 --- l_Flux Limit flag on Flux
78- 85 F8.3 pW/m2 Flux ? Peak flux (3)
87- 91 F5.2 pW/m2 e_Flux ? Uncertainty in Flux (3)
93 A1 --- l_Fluence Limit flag on Fluence
94-100 F7.4 nJ/m2 Fluence ? Burst fluence (5)
102-107 F6.4 nJ/m2 e_Fluence ? Uncertainty in Fluence (5)
109-110 A2 --- Exp Presence of radius expansion? (6)
112 A1 --- l_Rtime Limit flag on Rtime
113-118 F6.2 s Rtime ? Rise time
120-123 F4.2 s e_Rtime ? Uncertainty in Rtime
125-129 I5 ct/s Prate ? Peak count rate per PCU (proportional
counter unit), including persistent
emission and background
131-137 F7.3 s tau1 ? Exponential decay constant τ1
139-144 F6.2 s tau2 ? Exponential decay constant τ2
146-151 F6.2 s Scale ? Burst time scale
153-158 F6.2 s e_Scale ? Uncertainty in Scale
160 A1 --- l_Nfluence Limit flag on Nfluence
161-167 F7.3 --- Nfluence ? Normalized fluence (7)
169-174 F6.3 --- e_Nfluence ? Uncertainty in Nfluence
176-182 F7.4 pW/m2 Pflux ? Persistent 2.5-25 keV flux
level prior to burst (3)
184-189 F6.4 pW/m2 e_Pflux ? Uncertainty in Pflux(3)
191-197 F7.5 pW/m2 NPflux ? Persistent 2.5-25 keV flux level
prior to burst normalized to FEdd (3)
199-205 F7.5 pW/m2 e_NPflux ? Uncertainty in NPflux (3)
207-211 F5.3 --- Scol ? Soft color prior to burst (4)
213-217 F5.3 --- e_Scol ? Uncertainty in Scolor
219-224 F6.4 --- Hcol ? Hard color prior to burst (4)
226-231 F6.4 --- e_Hcol ? Uncertainty in Hcolor
233 A1 --- l_SZ Limit flag on SZ
234-240 F7.4 --- SZ ? Position on color-color diagram
242-247 F6.4 --- e_SZ ? Uncertainty in SZ
249-254 F6.3 h Delt ? Inferred recurrence time
256-260 F5.3 --- cbol ? Correction used to estimate bolometric
flux
262-266 F5.3 --- e_cbol ? Uncertainty in cbol
268-275 F8.3 --- alpha ? Ratio of integrated persistent flux to
burst fluence
277-283 F7.3 --- e_alpha ? Uncertainty in alpha
285-301 A17 --- Refs Previously published analyses,
in refs.dat file
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Note (1): Flag as follows:
a = The burst was observed during a slew, and thus offset from the
source position
b = The observation was offset from the source position. In cases (a)
and (b) we scaled the flux and fluence by the mean collimator
response appropriate for the position of the source in the field
of view, as described in appendix B
c = The origin of the burst is uncertain; the burst may have been
from another source in the field-of-view (we rescaled the flux
and fluence, if necessary, based upon the assumed origin)
d = Buffer overruns (or some other instrumental effect) caused gaps
in the high time-resolution data
e = The burst was so faint that only the peak flux could be measured,
and not the fluence or other parameters
f = An extremely faint burst or possibly problems with the background
subtraction, resulting in no fit results
g = The full burst profile was not observed, so that the event can be
considered an unconfirmed burst candidate. Typically in these
cases the initial burst rise is missed, so that the measured
peak flux and fluence are lower limits only
h = High-time resolution datamodes did not cover the burst.
Note (2): We neglect corrections to give the time at the solar-system
barycenter.
Note (3): In units of 10-9erg/s/cm-2.
Note (4): The hard and soft X-ray colors are the ratios of the
background-subtracted PCA counts in the (8.6-18.0)/(5.0-8.6)keV and
(3.6-5.0)/(2.2-3.6)keV energy bands, respectively, calculated from 64s
integrations when the source intensity was above 100ct/s, and 256s
integrations otherwise, and corrected for gain variations over the
mission lifetime by comparison to the colors of the Crab nebula
Note (5): In units of 10-6erg/cm2.
Note (6): Presence of radius expansion flag as follows:
Y = yes
N = no
Y? = possible
blank = unknown
Note (7): Normalized by the mean peak flux of the PRE bursts FEdd,
where available (Ub in van Paradijs et al., 1988MNRAS.233..437V 1988MNRAS.233..437V).
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Byte-by-byte Description of file: refs.dat
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Bytes Format Units Label Explanations
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1- 2 I2 --- Ref Reference number
4- 22 A19 --- BibCode BibCode
24- 49 A26 --- Aut Author's name
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Acknowledgements:
Duncan K. Galloway, Duncan.Galloway(at)sci.monash.edu.au
(End) Duncan K. Galloway [Monash University], Patricia Vannier [CDS] 23-Sep-2008