AT 2019agt
RA/DEC (2000)
00:42:29.220 +41:14:00.80
10.62175 +41.233556
Type
Nova
Redshift
-0.0012
Discovery Date
2019-01-28 18:02:21
TNS AT
Y
Public
Y
Host Name
M31
Discovery Mag
16.9
Filter
Clear-
Discoverer/s
George Carey

Spectra

 AT_2019agt - 2019-02-04 18:35:15 Other / Otherz=
Show H at z=vexp= km/s
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Show Tellurics 
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)
Spectra
SelectIDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
35132019-02-04 18:35:15Other / Other8419LeadbeaterLeadbeater tns_2019agt_2019-02-04_18-35-15_Other_Other.dat tns_2019agt_2019-02-04_18-35-15_Other_Other.fitObjectR~500 spectrum obtained using an ALPY 600 spectrograph at Three Hills Observatory as described here http://www.threehillsobservatory.co.uk/astro/spectroscopy_20.htm
Light Curves
FilterTel / InstObs-date rangePhotometry
Clear-Other_Other2019-01-16 18:25:11 - 2019-01-28 18:02:212
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
526692019-01-28 18:02:2116.90.219VegaMagClear-Other_Other600G Carey20cm reflector
526682019-01-16 18:25:1119VegaMagClear-Other_Other600G Carey[Last non detection] 20cm reflector
orange-ATLASATLAS1_ACAM12019-01-27 06:04:19 - 2019-01-31 05:32:382
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
527952019-01-31 05:32:3816.7450.12418.94ABMagorange-ATLASATLAS1_ACAM130Robot
527942019-01-27 06:04:1919.22ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
G-GaiaGaia_Gaia-photometric2019-01-13 01:53:45 - 2019-02-11 07:30:432
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
535972019-02-11 07:30:4317.370.2ABMagG-GaiaGaia_Gaia-photometric60Robot
535962019-01-13 01:53:4521.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
298882019-02-12 10:38:56Gaia_Bot1A. Delgado, D. Harrison, S. Hodgkin, M. van Leeuwen, G. Rixon, A. Yoldas (University of Cambridge), on behalf of Gaia Alerts teamGaiaAlerts00:42:29.250+41:14:00.312019-02-11 07:30:4317.37G-GaiaPSNGaia19aobGaiaAlertsNova eruption in M31
294332019-01-31 11:58:35ATLAS_Bot1J. Tonry, L. Denneau, A. Heinze, H. Weiland, H. Flewelling (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, K. Maguire, S. J. Prentice, O. McBrien, D. O'Neill, P. Clark, M. Magee, M. Fulton, A. McCormack (Queen's University Belfast), D. E. Wright (University of Minnesota)ATLAS00:42:29.242+41:13:59.972019-01-31 05:32:3816.745orange-ATLASPSNATLAS19cbeATLAS
293742019-01-28 19:04:36George CareyGeorge Carey00:42:29.220+41:14:00.802019-01-28 18:02:2116.9Clear-PNVThe object is on three consecutive 600 second images. No minor planets or previous novae in that location.
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
35062019-02-04 23:40:04THORobin LeadbeaterNova-0.0012Although noisy (<10 SNR), the spectrum shows clear H alpha emission with a FWHM of ~1600km/s and H beta emission at an RV of -350km/s, consistent with the catalogued local radial velocity within M31 (NED)

Comments

Nick James obtained an image at about the same time: 2019-01-28 18:06:03
Image attached.

600 second image, photometry and astrometry using Astrometrica.