SN 2018xx
RA/DEC (2000)
12:53:48.25 -39:41:49.09
193.451042 -39.696969
Type
SN Ia
Redshift
---
Source Group
DLT40
Discovery Date
2018-02-21 09:10:04
TNS AT
Y
Public
Y
Host Name
NGC4767
Discovery Mag
17.6
Filter
Clear-
Discoverer/s
S. Valenti, D.J.Sand, S. Wyatt
 2018-02-22 03:54:36 SOAR / Goodman (DLT40)
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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
17542018-02-22 03:54:36SOAR / Goodman900A Bahramian and L ShishkovskyDLT40 tns_2018xx_2018-02-22_03-54-36_SOAR_Goodman_DLT40.txtObjectDLT40
Light Curves
FilterTel / InstObs-date rangePhotometry
Clear-Other_Other2018-02-11 07:32:09 - 2018-02-21 07:16:192
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
256822018-02-21 07:16:1917.60.03ABMagClear-Other_Other60RobotPrompt5 0.4m
256812018-02-11 07:32:0915.9192ABMagClear-Other_Other60Robot[Last non detection] Prompt5 0.4m
orange-ATLASATLAS1_ACAM12018-02-18 13:55:12 - 2018-02-24 11:57:072
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
258622018-02-24 11:57:0715.9120.08816.75ABMagorange-ATLASATLAS1_ACAM130Robot
258612018-02-18 13:55:1214.3ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
171482018-03-07 12:00:02ATLAS_Bot1J. Tonry, B. Stalder, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), A. Rest (STScI), K.W. Smith, S. J. Smartt, M. Fulton, O. McBrien (Queen's University Belfast)ATLAS12:53:48.26-39:41:49.492018-02-24 11:57:0715.912orange-ATLASPSNATLAS18mhqATLAS
170432018-02-21 09:21:33DLT40_bot1S. Valenti, D.J.Sand, S. WyattDLT4012:53:48.25-39:41:49.092018-02-21 09:10:0417.6Clear-PSNDLT18hDLT40
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
17492018-02-22 05:12:19dsandD. Sand (Arizona), J. Strader (MSU), L. Chomiuk (MSU), A. Bahramian (MSU), L. Shishkovsky (MSU), S. Valenti (UC Davis), S. WyattDLT40SN IaDLT40Spectral classification was performed with SNID (Blondin and Tonry 2007, ApJ, 666, 1024), with good matches to normal type Ia supernovae roughly two weeks before maximum light, in accordance with the current absolute magnitude of M_V~-16 mag. There is also a clear carbon notch (at CII 6580 Angstroms) in the spectrum.

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