Skip banner and navigation tools.

Home > Neutrino follow up > 170312A

NEUTRINO_FIELD00005

NEUTRINO

5

/neutrino

170312A: Swift observation summary

---

About tiled field analysis.

So far 19 fields have been scheduled for observations. Data are available and processed for 19 of these.

• 34980 — 844 s of cleaned data taken between 2017-03-12 15:51:22 and 2017-03-13 04:37:47
• 34981 — 839 s of cleaned data taken between 2017-03-12 15:53:42 and 2017-03-13 04:50:19
• 34982 — 847 s of cleaned data taken between 2017-03-12 15:56:03 and 2017-03-13 04:57:55
• 34983 — 802 s of cleaned data taken between 2017-03-12 15:58:23 and 2017-03-13 04:44:09
• 34984 — 839 s of cleaned data taken between 2017-03-12 16:00:43 and 2017-03-13 04:45:44
• 34985 — 837 s of cleaned data taken between 2017-03-12 16:03:03 and 2017-03-13 04:48:49
• 34986 — 847 s of cleaned data taken between 2017-03-12 16:05:20 and 2017-03-13 04:42:35
• 34987 — 849 s of cleaned data taken between 2017-03-12 16:07:39 and 2017-03-13 04:59:27
• 34988 — 742 s of cleaned data taken between 2017-03-12 16:09:57 and 2017-03-13 04:51:51
• 34989 — 832 s of cleaned data taken between 2017-03-12 16:12:15 and 2017-03-13 05:00:56
• 34990 — 772 s of cleaned data taken between 2017-03-12 16:14:33 and 2017-03-13 04:47:18
• 34991 — 839 s of cleaned data taken between 2017-03-12 17:29:08 and 2017-03-13 04:53:23
• 34992 — 787 s of cleaned data taken between 2017-03-12 17:31:22 and 2017-03-13 05:02:26
• 34993 — 837 s of cleaned data taken between 2017-03-12 17:33:36 and 2017-03-13 05:03:56
• 34994 — 516 s of cleaned data taken between 2017-03-12 17:35:49 and 2017-03-13 05:05:03
• 34995 — 839 s of cleaned data taken between 2017-03-12 17:38:01 and 2017-03-13 04:54:54
• 34996 — 839 s of cleaned data taken between 2017-03-12 17:40:14 and 2017-03-13 04:56:24
• 34997 — 842 s of cleaned data taken between 2017-03-12 17:42:25 and 2017-03-13 04:41:02
• 34998 — 854 s of cleaned data taken between 2017-03-12 17:44:36 and 2017-03-13 04:39:26

18 fields were processed but not included in the analysis. This is because, after standard processing and the removal of times contaminated by light reflected off the bright Earth, there was too little data (<100 s) for source detection to be performed.

Find an upper limit.

Sources found so far

So far 14 sources have been found in the XRT data. 9 sources match catalogued sources.

Coordinate type: SexagesimalDecimal

#	RA (J2000)	Dec (J2000)	Err901	Detection Flag2	Rank3	Dist from IceCube pos	Exposure	Notes	Vizier
1 [details]	20h 16m 34.79s304.14494°	-26° 38′ 55.4″-26.64873°	6.8′′	Good	4 (K)	39.9′	837 s	Matches known X-ray source: 2SXPS J201634.7-263854 (from 2SXPS), 0.5″ away.
Mean XRT rate: 1.6 (+0.6, -0.5) ×10-2 ct s-1 Peak XRT rate: 1.6 (+0.6, -0.5) ×10-2 ct s-1 0.14 σ below the catalogued flux from 2SXPS. RASS PSPC 3-σ upper limit: 0.0×100 ct s-1 (PSPC count-rate) Products: Light curve
2 [details]	20h 16m 41.85s304.17437°	-26° 12′ 35.9″-26.20996°	8.6′′	Poor	3 (U)	30.0′	1.4 ks
Mean XRT rate: 4.9 (+3.3, -2.4) ×10-3 ct s-1 Peak XRT rate: 4.9 (+3.3, -2.4) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.06 ct s-1 (PSPC count-rate) Products: Light curve
3 [details]	20h 16m 23.48s304.09781°	-25° 52′ 49.6″-25.88045°	7.6′′	Good	3 (U)	40.3′	839 s	Matches SIMBAD source: GALEX 2668217904070134662, 1″ away.
Mean XRT rate: 8 (+5, -4) ×10-3 ct s-1 Peak XRT rate: 8 (+5, -4) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.06 ct s-1 (PSPC count-rate) Products: Light curve
4 [details]	20h 18m 26.60s304.61085°	-26° 50′ 21.2″-26.83923°	8.5′′	Good	4 (K)	36.6′	839 s	Matches known X-ray source: 2SXPS J201826.6-265023 (from 2SXPS), 1.9″ away.
Mean XRT rate: 1.1 (+0.6, -0.4) ×10-2 ct s-1 Peak XRT rate: 1.1 (+0.6, -0.4) ×10-2 ct s-1 0.04 σ below the catalogued flux from 2SXPS. RASS PSPC 3-σ upper limit: 0.0×100 ct s-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 0.010 (+0.006, -0.004) ct s-1 Peak XRT rate converted to PSPC: 0.010 (+0.006, -0.004) ×10-2 ct s-1 Mean XRT flux: 4.7 (+2.6, -1.9) ×10-13 erg cm-1s-1 Peak XRT flux: 4.7 (+2.6, -1.9) ×10-13 erg cm-1s-1 Products: Light curve | Spectrum
5 [details]	20h 20m 26.36s305.10981°	-26° 16′ 51.2″-26.28089°	16.3′′	Poor	3 (U)	20.6′	839 s	Matches SIMBAD source: GALEX 2668217878300332985, 8.2″ away.
Mean XRT rate: 5.1 (+4.0, -2.7) ×10-3 ct s-1 Peak XRT rate: 5.1 (+4.0, -2.7) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.04 ct s-1 (PSPC count-rate) Products: Light curve
6 [details]	20h 22m 04.88s305.52034°	-26° 34′ 33.2″-26.57588°	7.8′′	Good	3 (U)	47.1′	832 s
Mean XRT rate: 1.4 (+0.8, -0.6) ×10-2 ct s-1 Peak XRT rate: 1.4 (+0.8, -0.6) ×10-2 ct s-1 RASS PSPC 3-σ upper limit: 0.03 ct s-1 (PSPC count-rate) Products: Light curve
7 [details]	20h 20m 43.61s305.18169°	-26° 50′ 03.7″-26.83437°	10.0′′	Poor	3 (U)	43.2′	772 s
Mean XRT rate: 7 (+5, -3) ×10-3 ct s-1 Peak XRT rate: 7 (+5, -3) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.04 ct s-1 (PSPC count-rate) Products: Light curve | Spectrum
8 [details]	20h 19m 31.78s304.88242°	-25° 48′ 08.5″-25.80235°	7.3′′	Good	4 (K)	27.4′	1.5 ks	Matches known X-ray source: 2SXPS J201931.7-254808 (from 2SXPS), 0.3″ away.
Mean XRT rate: 5.2 (+3.3, -2.4) ×10-3 ct s-1 Peak XRT rate: 5.2 (+3.3, -2.4) ×10-3 ct s-1 0.57 σ below the catalogued flux from 2SXPS. RASS PSPC 3-σ upper limit: 0.0×100 ct s-1 (PSPC count-rate) Products: Light curve
9 [details]	20h 19m 07.45s304.78102°	-26° 05′ 04.8″-26.08466°	6.6′′	Good	4 (K)	9.6′	1.7 ks	Matches known X-ray source: 2SXPS J201907.3-260504 (from 2SXPS), 1.9″ away.
Mean XRT rate: 5.1 (+3.3, -2.4) ×10-3 ct s-1 Peak XRT rate: 5.1 (+3.3, -2.4) ×10-3 ct s-1 0.04 σ below the catalogued flux from 2SXPS. RASS PSPC 3-σ upper limit: 0.0×100 ct s-1 (PSPC count-rate) Products: Light curve
10 [details]	20h 17m 23.43s304.34763°	-26° 25′ 05.4″-26.41816°	8.2′′	Poor	3 (U)	23.2′	1.7 ks
Mean XRT rate: 4.9 (+3.3, -2.3) ×10-3 ct s-1 Peak XRT rate: 4.9 (+3.3, -2.3) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.05 ct s-1 (PSPC count-rate) Products: Light curve
11 [details]	20h 19m 50.65s304.96103°	-25° 53′ 05.1″-25.88475°	7.4′′	Reasonable	3 (U)	24.6′	847 s
Mean XRT rate: undetermined ct s-1 Peak XRT rate: undetermined ct s-1 RASS PSPC 3-σ upper limit: 0.03 ct s-1 (PSPC count-rate) Products: Light curve
12 [details]	20h 19m 25.92s304.85801°	-26° 06′ 09.9″-26.10275°	6.2′′	Good	4 (K)	10.6′	1.7 ks	Matches known X-ray source: 2SXPS J201925.9-260609 (from 2SXPS), 0.4″ away.
Mean XRT rate: 8 (+4, -3) ×10-3 ct s-1 Peak XRT rate: 8 (+4, -3) ×10-3 ct s-1 -0.23 σ above the catalogued flux from 2SXPS. RASS PSPC 3-σ upper limit: 0.0×100 ct s-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 4.1 (+2.1, -1.6) ×10-3 ct s-1 Peak XRT rate converted to PSPC: 4.1 (+2.1, -1.6) ×10-3 ct s-1 Mean XRT flux: 4.8 (+2.4, -1.9) ×10-13 erg cm-1s-1 Peak XRT flux: 4.8 (+2.4, -1.9) ×10-13 erg cm-1s-1 Products: Light curve | Spectrum
13 [details]	20h 21m 54.74s305.47809°	-26° 04′ 11.8″-26.06994°	6.2′′	Good	4 (K)	41.5′	1.5 ks	Matches known X-ray source: 2SXPS J202154.7-260411 (from 2SXPS), 0.5″ away.
Mean XRT rate: 2.2 (±0.6) ×10-2 ct s-1 Peak XRT rate: 2.2 (±0.6) ×10-2 ct s-1 0.24 σ below the catalogued flux from 2SXPS. RASS PSPC 3-σ upper limit: 0.0×100 ct s-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 0.036 (±0.010) ct s-1 Peak XRT rate converted to PSPC: 0.036 (±0.010) ×10-2 ct s-1 Mean XRT flux: 3.5 (±0.9) ×10-13 erg cm-1s-1 Peak XRT flux: 3.5 (±0.9) ×10-13 erg cm-1s-1 Products: Light curve | Spectrum
14 [details]	20h 21m 21.56s305.33982°	-26° 01′ 31.6″-26.02545°	4.7′′	Good	4 (K)	35.2′	849 s	Matches known X-ray source: 2SXPS J202121.5-260131 (from 2SXPS), 0.2″ away.
Mean XRT rate: 2.5 (+0.8, -0.7) ×10-2 ct s-1 Peak XRT rate: 2.5 (+0.8, -0.7) ×10-2 ct s-1 1.15 σ below the catalogued flux from 2SXPS. RASS PSPC 3-σ upper limit: 0.0×100 ct s-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 0.039 (+0.012, -0.010) ct s-1 Peak XRT rate converted to PSPC: 0.039 (+0.012, -0.010) ×10-2 ct s-1 Mean XRT flux: 6.0 (+1.9, -1.6) ×10-13 erg cm-1s-1 Peak XRT flux: 6.0 (+1.9, -1.6) ×10-13 erg cm-1s-1 Products: Light curve | Spectrum

¹ Radius, 90% confidence.
² Indicates how likely the source is to be real. See the LSXPS documentation.

³ T=Transient Source, O=Outbursting known source, U=Uncatalogued X-ray source, K=Known X-ray source.

^* The position was enhanced using astrometry derived from the Swift UVOT.
^† The position was astrometrically corrected using the XRT sources and the 2MASS catalogue.

---

Image

Select image style: Draggable PNG | JS9.