AT 2018tl
RA/DEC (2000)
06:42:33.25 +40:02:32.96
100.63856 +40.04249
Type
CV
Redshift
---
Source Group
ASAS-SN
Discovery Date
2018-02-13 03:07:12
TNS AT
Y
Public
Y
Discovery Mag
16.5
Filter
g-Sloan
Discoverer/s
K. Z. Stanek, for the ASAS-SN team
 2018-02-13 20:51:54 Other / Other
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   Binning factor: (rounded to nearest integer >1)
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Spectra
IDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
17372018-02-13 20:51:54Other / Other2404R LeadbeaterR Leadbeater tns_2018tl_2018-02-13_20-51-54_Other_Other.dat tns_2018tl_2018-02-13_20-51-54_Other_Other.fitObjectR~150 spectrum obtained using modified ALPY spectrograph at Three Hills Observatory as described here http://www.threehillsobservatory.co.uk/astro/spectroscopy_20.htm
Light Curves
FilterTel / InstObs-date rangePhotometry
V-JohnsonASASSN-1_Brutus2018-02-11 09:36:00 - 2018-02-11 09:36:001
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
254302018-02-11 09:36:0017.8VegaMagV-JohnsonASASSN-1_Brutus[Last non detection]
G-GaiaGaia_Gaia-photometric2017-11-12 09:50:24 - 2018-02-12 17:54:142
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
255802018-02-12 17:54:1416.310.2ABMagG-GaiaGaia_Gaia-photometric60Robot
255792017-11-12 09:50:2421.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
g-SloanASASSN-4_Leavitt2018-02-13 03:07:12 - 2018-02-13 03:07:121
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
254312018-02-13 03:07:1216.5ABMagg-SloanASASSN-4_Leavitt
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
169832018-02-18 15:17:39Gaia_Bot1A. Delgado, D. Harrison, S. Hodgkin, M. van Leeuwen, G. Rixon, A. Yoldas (University of Cambridge), on behalf of Gaia Alerts teamGaiaAlerts06:42:33.27+40:02:33.222018-02-12 17:54:1416.31G-GaiaPSNGaia18alhGaiaAlertsConfirmed CV also reported as ASASSN-18ci and 18cn (see vsnet-alert 21883)
169052018-02-13 09:43:34KZStanekK. Z. Stanek, for the ASAS-SN teamASAS-SN06:42:33.25+40:02:32.962018-02-13 03:07:1216.5g-SloanPSNASASSN-18ciASAS-SNOn the rise, faint PS1 match, so most likely a CV, but could also be a SN
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
17322018-02-16 17:08:33THORobin LeadbeaterCVLow resolution SNR ~15 spectrum shows featureless blue continuum. No match with supernovae spectra in SNID or GELATO

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