M31 variable-W1 MOS annuli · technical visual QA

validated product snapshot

五个相邻 annuli，十套 MOS spectra

谱图均来自 xsherpa.inspect.SpectrumInspector 的无拟合 inspection。每个 annulus 保留 MOS1/MOS2 的独立 response 和 QPB；页面中的 XMM images 用于 spatial QA，不作 exposure-corrected 或 band-defined flux image。

5pure variable-W1 annuli

10MOS source/QPB/RMF/ARF sets

271,372validated source counts (MOS1+MOS2)

0fits / physical claims in this report

解释边界：stored spectra span 0.3–7.2 keV；未来 MOS fitting 必须 exclude 1.4–2.0 keV。当前 obj-image-sky.fits 未带 PIMIN/PIMAX，所以图像仅检查 region/mask registration。

空间 QA reference：紫色为 a=16–20′，灰色虚线为另外四个 report annuli。各 region card 下方的 image 会单独 highlight 对应 annulus，并使用该 extraction 的 camera-specific mask files。

E015 · local data readiness

a=0–40′：本机 XMM footprint coverage

每个 circle 是 local ATTTSR median pointing 的 15′ spherical FoV；cyan/pink contours 是实际 120-vertex variable-W1 FK5 annuli。WISE W1 仅为原始 FITS 的 WCS-reprojected display，不是 X-ray exposure map。

Extraction gate：本机 41 个 central M31Center raw-ODF fields 的 nominal geometry 只到 a=12–16′ 完整。a=16–40′ 当前只能是 partial-footprint；不得命名或解释为 full annulus。下表不含 CCD gaps、GTI、source masks、vignetting 或 exposure，不能作 BACKSCAL / surface-brightness area。

41 raw-ODF disk fields are all central；only OBSID 0112570101 currently has a direct dual-MOS clean-event seed。该图是 local-data planning/provenance product，不是 spectral fit 或 physical measurement。

Nominal 15′ FoV union over actual serialized annulus area (E015)
variable-W1 annulus	41 local raw-ODF fields	existing 0112570101 clean seed
a=0–4′	100.000%	100.000%
a=4–8′	100.000%	100.000%
a=8–12′	100.000%	100.000%
a=12–16′	100.000%	91.917%
a=16–20′	82.418%	52.437%
a=20–24′	73.004%	38.162%
a=24–28′	56.119%	25.905%
a=28–32′	36.150%	17.779%
a=32–36′	24.621%	11.750%
a=36–40′	13.636%	5.838%

region-by-region inspection

每个 region：谱 + image + exact shape

点击 figure 可放大。每张谱图右上按钮可在 sb_flux、sb、rate 三种 xsherpa inspection units 间切换。

E009; 84/84 technical gates PASS

a=0–4′ · 中心 variable-W1 annulus

xsherpa inspection spectrum

MOS1/MOS2 independently shown; 0.3–7.2 keV; group_subtracted_oversampling_SNR(rate=5,S/N=6); no fit/model curve.

Extraction image + exact region shape

Color fill is the report region; red/yellow circles are its camera-specific 80%-EEF point-source exclusions. This counts coadd is spatial QA only.

Validated product summary (0.3–7.2 keV extraction products)
Camera	Source counts	Particle QPB counts	Exposure (ks)	BACKSCAL area (arcmin²)
MOS1	60,244	1,096.727	58.180	28.882
MOS2	61,552	1,147.417	59.012	28.785

E011; 86/86 technical gates PASS

a=4–8′ · 内侧 variable-W1 annulus

xsherpa inspection spectrum

MOS1/MOS2 independently shown; 0.3–7.2 keV; group_subtracted_oversampling_SNR(rate=5,S/N=6); no fit/model curve.

Extraction image + exact region shape

Color fill is the report region; red/yellow circles are its camera-specific 80%-EEF point-source exclusions. This counts coadd is spatial QA only.

Validated product summary (0.3–7.2 keV extraction products)
Camera	Source counts	Particle QPB counts	Exposure (ks)	BACKSCAL area (arcmin²)
MOS1	32,502	2,755.879	58.184	70.240
MOS2	35,879	2,932.051	59.021	71.977

E011; 86/86 technical gates PASS

a=8–12′ · 外侧 variable-W1 annulus

xsherpa inspection spectrum

MOS1/MOS2 independently shown; 0.3–7.2 keV; group_subtracted_oversampling_SNR(rate=5,S/N=6); no fit/model curve.

Extraction image + exact region shape

Color fill is the report region; red/yellow circles are its camera-specific 80%-EEF point-source exclusions. This counts coadd is spatial QA only.

Validated product summary (0.3–7.2 keV extraction products)
Camera	Source counts	Particle QPB counts	Exposure (ks)	BACKSCAL area (arcmin²)
MOS1	20,511	4,381.942	58.197	106.520
MOS2	20,152	4,187.877	59.054	104.415

E014; 86/86 technical gates PASS

a=12–16′ · 外侧 variable-W1 annulus I

xsherpa inspection spectrum

MOS1/MOS2 independently shown; 0.3–7.2 keV; group_subtracted_oversampling_SNR(rate=5,S/N=6); no fit/model curve.

Extraction image + exact region shape

Color fill is the report region; red/yellow circles are its camera-specific 80%-EEF point-source exclusions. This counts coadd is spatial QA only.

Validated product summary (0.3–7.2 keV extraction products)
Camera	Source counts	Particle QPB counts	Exposure (ks)	BACKSCAL area (arcmin²)
MOS1	11,195	3,369.454	58.203	81.982
MOS2	10,098	2,849.283	59.066	73.302

E014; 86/86 technical gates PASS

a=16–20′ · 外侧 variable-W1 annulus II

xsherpa inspection spectrum

MOS1/MOS2 independently shown; 0.3–7.2 keV; group_subtracted_oversampling_SNR(rate=5,S/N=6); no fit/model curve.

Extraction image + exact region shape

Color fill is the report region; red/yellow circles are its camera-specific 80%-EEF point-source exclusions. This counts coadd is spatial QA only.

Validated product summary (0.3–7.2 keV extraction products)
Camera	Source counts	Particle QPB counts	Exposure (ks)	BACKSCAL area (arcmin²)
MOS1	9,659	2,730.155	58.188	67.434
MOS2	9,580	2,714.263	59.067	68.112

provenance & limits

方法、QA、下一步

已验证

所有 extraction products 都包含 same-region source PHA、particle-QPB PHA、RMF、ARF 与 OGIP links。
a=0–4′ 的 E009 technical gates 为 84/84 PASS；a=4–8′、a=8–12′、a=12–16′ 与 a=16–20′ 的 E011/E014 gates 各为 86/86 PASS。
DS9 geometry 直接解析：中心 region 为 120-vertex include polygon；外环为 120-vertex outer minus 120-vertex inner polygon。
MOS coadd 前要求 image shape 及完整 WCS 精确一致；point masks 要求 MOS1=92、MOS2=90 个 !CIRCLE rows。

尚未完成

未建立 astrophysical sky background model；QPB 不能替代 LHB/MW halo/CXB 等成分。
未拟合 thermal model，因此不报告 temperature、metallicity、flux 或 radial trend。
一条 central pointing 不构成完整 0–40′ radial program，也不支持 morphology/physical-origin claim。
下一科学步骤是定义 sky-background + fitting scope，再评估是否可解释 0.6–0.8 keV emission。