XMM slew surveyXMM slew surveyRichard SaxtonRichard Saxton11, Andy Read, Andy Read22,,

Pili EsquejPili Esquej33, Michael Freyberg, Michael Freyberg33,,Bruno AltieriBruno Altieri11

1. ESAC1. ESAC2. University of Leicester2. University of Leicester

3. MPE3. MPE

CharacteristicsCharacteristics

Slews @90 deg/hr, average 70 deg long, 30 degSlews @90 deg/hr, average 70 deg long, 30 deg2 2

area.area.

PSF similar to pointed observations, slightly PSF similar to pointed observations, slightly extended in slew direction.extended in slew direction.

15 seconds exposure (10 seconds eff. on-axis).15 seconds exposure (10 seconds eff. on-axis).

Low background, typically 0.3c / source boxLow background, typically 0.3c / source box

Positional accuracy: 8” (1Positional accuracy: 8” (1σσ))

Flux limit: Flux limit: - - Total band (0.2-12 keV): 1.2x10Total band (0.2-12 keV): 1.2x10-12 -12 ergs/s/cmergs/s/cm22

- Hard band (2-12 keV): 4x10- Hard band (2-12 keV): 4x10-12 -12 ergs/s/cmergs/s/cm22

- Soft band (0.2-2 keV): 6x10- Soft band (0.2-2 keV): 6x10-13-13 ergs/s/cmergs/s/cm22

CF: RASS - 3CF: RASS - 3x10x10-13-13 , HEAO-1 - 3x10 , HEAO-1 - 3x10-11-11

Read et al, 2006, PASJ - Scientific highlights

Esquej et al, 2007, A&A – High variability galaxiesSaxton et al, 2007, A&A (in prep) – Full description

CataloguesCatalogues

XMMSL1XMMSL1: catalogue of slew sources released May 2006.: catalogue of slew sources released May 2006. Revs 314-978, 2700 clean sources (DET_ML>10), 259 hard-band selected Revs 314-978, 2700 clean sources (DET_ML>10), 259 hard-band selected

(2-12 keV) sources, 6200 deg^2(2-12 keV) sources, 6200 deg^2

Available from Available from XMM Science Archive: XMM Science Archive: http://http://xmm.vilspa.esa.es/xsaxmm.vilspa.esa.es/xsa//

Delta-1Delta-1: To be released end of this month giving total of 4000 clean : To be released end of this month giving total of 4000 clean sources, 400 hard band. From 10200 deg^2 (20% of sky ignoring overlaps)sources, 400 hard band. From 10200 deg^2 (20% of sky ignoring overlaps)

Intention to release further Deltas every 6 monthsIntention to release further Deltas every 6 months

Sky CoverageSky Coverage

XMMSL1 + Delta-1 (Galactic coords) [ 20% of sky }

+ 150 unsearched slews [ total 30% of sky]

400 hard band sources (2-12keV)

4000 sources: blue=hard, light red=soft

Sources from XMMSL1+Delta-1

QSO B1101+38281A 1103+38

Identifications (XMMSL1)

Cross-correlated with Simbad, NED, HEASARC.

Found counterparts for 55% of sources.

Represented categories:

AGN: 753

Galaxies: 467

Clusters/groups : 85

Variable stars: 130

Stars: 350

LMXB: 16

HMXB: 5

WD: 2

HB89 0642+449 (QSO) z=3.4 (1.2 ct/s)

Hard band (208)AGN: 64Galaxies: 26Clusters/groups : 5Galactic: 43Unknown: 70

Optical follow-up in progress for unknown 70

Full sky imageFull sky image

From all available slews - 16,000 deg^2 (30% of sky w/o overlaps)

40 LII=0 320

+10

bII=0

-10

Galactic Plane

Integral1 79Integral1 74

XMM-Newton SlewROSAT

Vela Supernova Remnant

Extended sources15% of sources extended15% of sources extended Associations with 81 Zwicky/Abell clustersAssociations with 81 Zwicky/Abell clusters

Possible new SNR in galactic plane ?Possible new SNR in galactic plane ?

Correlations with ROSAT- 60% of sources correlate with ROSAT (non-extended, DET_ML>10)- 1% show variability by > factor of ten

Mean rate : XMM-slew/ROSAT~10

High Variability – soft band sourcesHigh Variability – soft band sources

Flare stars – 1Flare stars – 1

Eclipsing binary - 2Eclipsing binary - 2

AGN – 4 (QSO, Sy 1.9, Sy 1.5, Sy1)AGN – 4 (QSO, Sy 1.9, Sy 1.5, Sy1)

Candidate tidal disruption events – 2 Candidate tidal disruption events – 2 ((incl NGC 3599 @ 11.4 Mpcincl NGC 3599 @ 11.4 Mpc))

Dwarf Nova - 1Dwarf Nova - 1

Probable new Nova in LMC – 1 (Probable new Nova in LMC – 1 (XMMSL1 J060636.2-694932XMMSL1 J060636.2-694932))

Same source types as ROSAT found to be highly variable

Flux increase by > factor 20

High Variability – hard band High Variability – hard band sourcessources

????

- Little possibility currently to get upper limits from a hard band wide area - Little possibility currently to get upper limits from a hard band wide area catalogue.catalogue.

- In future, the XMM slew survey may be used for this purpose.In future, the XMM slew survey may be used for this purpose.

- By the time of the Simbol-X launch the XMM slew survey should cover- By the time of the Simbol-X launch the XMM slew survey should cover

~~6060% of the sky.% of the sky.

X-ray upper limit serverX-ray upper limit server

Picture here of the interface SIAP-based application.

Soon to be extended to XMMPointed data.

ROSAT, Chandra… in the medium term

UPPER LIMITS SERVER RESULTS

XMM Slew[233.755,+53.343]

OBSDATE

COUNT RATE 0.2-12.0

COUNT RATE 2.0-12.0

COUNT RATE 0.2-2.0

EXP TIME

FLUX 0.2-12.0

FLUX 2.0-12.0

FLUX 0.2-2.0

QFLAG

2001-08-26T19:25:36

1.65+/-0.23 <0.45 1.72+/-0.208.53376

4.9E-12 +/-0.70

<4.0E-12

1.92E-12 +/-0.24

N

SummarySummaryXMM slew data will present a resource for medium-XMM slew data will present a resource for medium-energy X-ray data, covering ~60% of the sky by 2013, energy X-ray data, covering ~60% of the sky by 2013, with an astrometic accuracy of ~8”.with an astrometic accuracy of ~8”.

Good coverage of large extended sourcesGood coverage of large extended sources

VO-compliant, Upper Limit Server being developed to aid VO-compliant, Upper Limit Server being developed to aid inter-mission variability analysisinter-mission variability analysis