AT 2018fsy
RA/DEC (2000)
00:44:19.810 +41:29:25.84
11.082542 +41.490511
Type
---
Redshift
Reporting Group
None
Discovering Data Source
None
Discovery Date
2018-09-02 23:09:00.000
TNS AT
Y
Public
Y
Host Name
M31
Discovery Mag
18.2
Filter
Clear-
Reporter/s
Emmanuel Conseil
Spectra
No Data
Light Curves
FilterTel / InstObs-date rangePhotometry
Clear-Other_Other2018-09-02 01:09:00 - 2018-09-04 00:39:005
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
349712018-09-04 00:39:0017.719VegaMagClear-Other_Other50E. Conseil3 images taken with Slooh robotic telescope T2 (Corrected Dall-Kirkham 17" + FLI PL16803)
349702018-09-03 23:20:0017.719VegaMagClear-Other_Other50E. Conseil3 images taken with Slooh robotic telescope T2 (Corrected Dall-Kirkham 17" + FLI PL16803)
349692018-09-03 00:24:0018.119VegaMagClear-Other_Other50E. Conseil3 images taken with Slooh robotic telescope T2 (Corrected Dall-Kirkham 17" + FLI PL16803)
349682018-09-02 23:09:0018.219VegaMagClear-Other_Other50E. Conseil3 images taken with Slooh robotic telescope T2 (Corrected Dall-Kirkham 17" + FLI PL16803)
349672018-09-02 01:09:0019OtherClear-Other_Other50E. Conseil[Last non detection] 3 images taken with Slooh robotic telescope T2 (Corrected Dall-Kirkham 17" + FLI PL16803)
orange-ATLASATLAS-HKO_ATLAS-022018-09-11 11:45:36 - 2018-09-11 11:45:361
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
356392018-09-11 11:45:3617.920.0819.75ABMagorange-ATLASATLAS-HKO_ATLAS-0230Robot
orange-ATLASATLAS-MLO_ATLAS-012018-09-05 11:58:33 - 2018-09-05 11:58:331
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
356382018-09-05 11:58:3319.41ABMagorange-ATLASATLAS-MLO_ATLAS-0130Robot[Last non detection]
G-GaiaGaia_Gaia-photometric2018-07-28 12:02:52 - 2018-09-07 17:11:022
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
355862018-09-07 17:11:0217.70.2ABMagG-GaiaGaia_Gaia-photometric60Robot
355852018-07-28 12:02:5221.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
225722018-09-12 07:25:03ATLAS_Bot1J. Tonry, B. Stalder, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), A. Rest (STScI), K. W. Smith, S. J. Smartt, D. R. Young, M. Fulton, O. McBrien, D. O'Neill, P. Clark (Queen's University Belfast)ATLASATLAS00:44:19.811+41:29:25.882018-09-11 11:45:36.00017.92orange-ATLASPSNATLAS18vcdATLAS
225482018-09-11 09:26:06Gaia_Bot1A. Delgado, D. Harrison, S. Hodgkin, M. van Leeuwen, G. Rixon, A. Yoldas (University of Cambridge), on behalf of Gaia Alerts teamGaiaAlertsGaiaAlerts00:44:19.810+41:29:25.842018-09-07 17:11:02.00017.7G-GaiaPSNGaia18cofGaiaAlertsconfirmed Nova in M31
221822018-09-04 09:15:36econseilEmmanuel Conseil00:44:19.850+41:29:26.502018-09-02 23:09:00.00018.2Clear-PNVEmmanuel Conseil reports the discovery of a probable nova in M31, located 00 44 19.85 +41 29 26.5 at magnitude 18.2 CV on 2018-09-02 between 23:29 UTC. The object is visible on 3 images (50s exposures) taken with Slooh robotic telescope T2 (Corrected Dall-Kirkham 17" + FLI PL16803). The object is also visible on 3 images (50s exposures) taken with the same telescope on 2018-09-03 at 00h24 UTC. The object is visible, and brighter (mag 17.7 CV) on 3 images taken on 2018-09-03 at 23h20 UTC with the same telescope (Image available here : https://www.flickr.com/photos/econseil/43748677404 ) The object is visible (mag 17.7 CV) on 3 images taken on 2018-09-04 at 00h39 UTC with the same telescope There was nothing at this location on images taken on 2018-09-02 at 01h09 UTC with the same telescope. There's no known object at this location in TOCP, TNS, AstronomersTelegrams and SIMBAD. No known asteroid either at this location.
Classification Reports
No Data

Comments

Object coordinates updated according to AT-report 22548 of Group GaiaAlerts
Previous RA, DEC: 00:44:19.850, +41:29:26.50 (11.082708, +41.490694)
Updated RA, DEC: 00:44:19.810, +41:29:25.84 (11.082542, 41.490511)

Nova confirmed by Darnley et al. in ATel 12017 : http://www.astronomerstelegram.org/?read=12017 (class FeII)

Image taken on 2018-09-03 at 23h20 UTC. Addition of 3 images taken with Slooh robotic telescope T2 (Corrected Dall-Kirkham 17" + FLI PL16803)