SN 2018gn
RA/DEC (2000)
01:46:42.450 +32:30:29.30
26.676875 +32.508139
Type
SN II
Redshift
Source Group
ASAS-SN
Discovery Date
2018-01-14 02:38:24
TNS AT
Y
Public
Y
Host Name
KUG 0143+322
Host Redshift
0.037503
Comments
[Object redshift updated according to host-redshift by admin]
Discovery Mag
17.7
Filter
g-Sloan
Discoverer/s
G. Krannich, J. Brimacombe, K. Z. Stanek, for the ASAS-SN team

Spectra

 SN_2018gn - 2018-01-15 02:04:06 FLWO-1.5m / FAST (ASAS-SN)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
Show He II at z=vexp= km/s
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Show Mg at z=vexp= km/s
Show Mg II at z=vexp= km/s
Show Si II at z=vexp= km/s
Show S II at z=vexp= km/s
Show Ca II at z=vexp= km/s
Show [Ca II] at z=vexp= km/s
Show Fe II at z=vexp= km/s
Show Fe III at z=vexp= km/s
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Show WR-WN at z=vexp= km/s
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),
Spectra
SelectIDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
16562018-01-15 02:04:06FLWO-1.5m / FASTM. CalkinsASAS-SN tns_2018gn_2458133.58619213_FLWO_1.5m_FAST_ASAS-SN.txt tns_2018gn_2458133.58619213_FLWO_1.5m_FAST_ASAS-SN.fitsObjectASAS-SN
Light Curves
FilterTel / InstObs-date rangePhotometry
orange-ATLASATLAS1_ACAM12017-10-27 10:48:00 - 2017-10-27 10:52:192
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
247372017-10-27 10:52:1919.0620.15618.95ABMagorange-ATLASATLAS1_ACAM130Robot
247362017-10-27 10:48:0018.96ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
G-GaiaGaia_Gaia-photometric2018-01-30 07:53:45 - 2018-03-11 19:17:452
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
261042018-03-11 19:17:4516.570.2ABMagG-GaiaGaia_Gaia-photometric60Robot
261032018-01-30 07:53:4521.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
g-SloanASASSN-4_Leavitt2018-01-08 03:50:24 - 2018-01-14 02:38:242
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
247312018-01-14 02:38:2417.7ABMagg-SloanASASSN-4_Leavitt
247302018-01-08 03:50:2418ABMagg-SloanASASSN-4_Leavitt[Last non detection]
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
172972018-03-13 13:42:30Gaia_Bot1A. Delgado, D. Harrison, S. Hodgkin, M. van Leeuwen, G. Rixon, A. Yoldas (University of Cambridge), on behalf of Gaia Alerts teamGaiaAlerts01:46:42.450+32:30:29.302018-03-11 19:17:4516.57G-GaiaOtherGaia18apdGaiaAlertsconfirmed SN II at the centre of galaxy KUG 0143+322 aka ASASSN-18ap SN2018gn
164912018-01-15 13:40:05ATLAS_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)ATLAS01:46:42.467+32:30:29.532017-10-27 10:52:1919.062orange-ATLASPSNATLAS18eanATLAS
164892018-01-15 04:22:27KZStanekG. Krannich, J. Brimacombe, K. Z. Stanek, for the ASAS-SN teamASAS-SN01:46:42.662+32:30:30.672018-01-14 02:38:2417.7g-SloanPSNASASSN-18apASAS-SNIn several epochs, confirmed by G. Krannich and J. Brimacombe
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
16512018-01-17 00:42:23jlprietoE. Falco, M. Calkins (Harvard CfA), J. L. Prieto (UDP/MAS), K. Z. Stanek (OSU) ASAS-SNSN IIASAS-SNWe report optical spectroscopic observations of the ASAS-SN transients ASASSN-18am/AT2018gk, ASASN-18ao/AT2018gm, and ASASSN-18ap/AT2018gn (ATel #11178), obtained on UT 2018 Jan 14-16 with FAST (range 3600-7450 Angstroms) mounted on the F. L. Whipple Observatory 1.5-m telescope. We used SNID (Blondin & Tonry, 2007, ApJ, 666, 1024) to aid with the type, phase and redshift determination. ASASSN-18ap shows broad H-alpha and other features characteristic of a Type II SN, also with strong host galaxy contamination.

Comments

Object coordinates updated according to AT-report 17297 of Group GaiaAlerts
Previous RA, DEC: 01:46:42.662, +32:30:30.67 (26.67776, +32.50852)
Updated RA, DEC: 01:46:42.450, +32:30:29.30 (26.676875, 32.508139)