2018ahj | Transient Name Server

RA/DEC (2000)

07:10:37.410 +59:09:04.57

107.655875 +59.151269

Type

SN Ia

Redshift

0.082

Discovery Report Classification Report

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2018-03-17 07:22:04.000

TNS AT

Y

Public

Y

Discovery Mag

18.577

Filter

cyan-ATLAS

Reporter/s

J. 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)

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

Gaia_Gaia-photometric_G

▌

ATLAS-HKO_ATLAS-02_orange

▌

ATLAS-HKO_ATLAS-02_cyan

Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)

Spectra

Select	ID	Obs-date (UT)	Tel / Inst	Exp-Time	Observer/s	Reducer/s	Group	Spectrum ascii file	Spectrum fits file	Spec. Type	Assoc. Groups	End prop. period	Remarks
	1785	2018-03-17 19:12:00	UH88 / SNIFS		Tucker/Shappee	Tucker/Shappee	None	tns_2018ahj_2458195.300_UH88_SNIFS.dat		Object			Spectrum reduced using automated quick reduction with no flux or telluric correction applied.
Binning factor: (rounded to nearest integer >1) Mouse hovers at WL: 0 (rest), 0 (observed) ▌Show H at z=v_exp= km/s ▌Show He at z=v_exp= km/s ▌Show He II at z=v_exp= km/s ▌Show C II at z=v_exp= km/s ▌Show C III at z=v_exp= km/s ▌Show C IV at z=v_exp= km/s ▌Show N II at z=v_exp= km/s ▌Show N III at z=v_exp= km/s ▌Show N IV at z=v_exp= km/s ▌Show N V at z=v_exp= km/s ▌Show O at z=v_exp= km/s ▌Show [O I] at z=v_exp= km/s ▌Show O II at z=v_exp= km/s ▌Show [O II] at z=v_exp= km/s ▌Show [O III] at z=v_exp= km/s ▌Show O V at z=v_exp= km/s ▌Show O VI at z=v_exp= km/s ▌Show Na at z=v_exp= km/s ▌Show Mg at z=v_exp= km/s ▌Show Mg II at z=v_exp= km/s ▌Show Si II at z=v_exp= km/s ▌Show S II at z=v_exp= km/s ▌Show Ca II at z=v_exp= km/s ▌Show [Ca II] at z=v_exp= km/s ▌Show Fe II at z=v_exp= km/s ▌Show Fe III at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Tellurics ▌Show Galaxy lines at z= ▌Show WR-WN at z=v_exp= km/s ▌Show WR-WC/O at z=v_exp= km/s Remarks Spectrum reduced using automated quick reduction with no flux or telluric correction applied.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

G-Gaia

Gaia_Gaia-photometric

2018-02-13 14:00:57 - 2018-04-05 11:29:45

2458163.0839931 - 2458213.9789931

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
26871	2018-04-05 11:29:45	2458213.9789931	18.65	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
26870	2018-02-13 14:00:57	2458163.0839931			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		Robot	[Last non detection]

orange-ATLAS

ATLAS-HKO_ATLAS-02

2018-03-11 09:02:52 - 2018-03-11 09:02:52

2458188.8769907 - 2458188.8769907

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
26221	2018-03-11 09:02:52	2458188.8769907			18.33	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[Last non detection]

cyan-ATLAS

ATLAS-HKO_ATLAS-02

2018-03-17 07:22:04 - 2018-03-17 07:22:04

2458194.8069907 - 2458194.8069907

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
26222	2018-03-17 07:22:04	2458194.8069907	18.577	0.074	19.66	ABMag	cyan-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot

AT Reports

ID	Time received (UT)	Sender	Reporter/s	Reporting group	Disc. Data Source	RA	DEC	Discovery date (UT)	Discovery Mag.	Filter	Related files	AT Type	Host name	Internal name	Assoc. Groups	End prop. period	Remarks	ADS Bibcode	Unreal	Auto classification
17702	2018-04-10 09:03:07	Gaia_Bot1	A. Delgado, D. Harrison, S. Hodgkin et al.	GaiaAlerts	GaiaAlerts	07:10:37.410	+59:09:04.57	2018-04-05 11:29:45.000	18.65	G-Gaia		PSN		Gaia18awk	GaiaAlerts		confirmed SN Ia, aka SN2018ahj		N
17357	2018-03-17 18:52:03	ATLAS_Bot1	J. Tonry, B. Stalder, L. Denneau et al.	ATLAS	ATLAS	07:10:37.392	+59:09:04.58	2018-03-17 07:22:04.000	18.577	cyan-ATLAS		PSN		ATLAS18mlp	ATLAS			2018TNSTR.356....1T	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

1780

2018-03-18 15:30:22

Michael Tucker

Michael A. Tucker, Benjamin J. Shappee (IfA, Hawaii), Subo Dong, S. Bose, Ping Chen (KIAA-PKU)

None

SN Ia

0.082

1

Spectral Classification of Astronomical Transients (SCAT) reports the classification of ATLAS 18mlp (2018ahj) using the SNIFS spectrograph on the UH 88-inch telescope. Redshift from SNID cross-correlation (Blondin & Tonry 2007) and a phase of -3.4 +/- 4.7 d.

2018TNSCR.363....1T

Spectra

ID	Obs-date (UT)	Tel / Inst	Exp-Time	Observer/s	Reducer/s	Group	Spectrum ascii file	Spectrum fits file	Spec. Type	Assoc. Groups	End prop. period	Remarks
1785	2018-03-17 19:12:00	UH88 / SNIFS		Tucker/Shappee	Tucker/Shappee	None	tns_2018ahj_2458195.300_UH88_SNIFS.dat		Object			Spectrum reduced using automated quick reduction with no flux or telluric correction applied.

Comments

Object coordinates updated

Object coordinates updated according to AT-report 17702 of Group GaiaAlerts
Previous RA, DEC: 07:10:37.392, +59:09:04.58 (107.655798889, +59.1512733333)
Updated RA, DEC: 07:10:37.410, +59:09:04.57 (107.655875, 59.151269)

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