2023sax | Transient Name Server

RA/DEC (2000)

02:31:05.966 +38:40:44.49

37.7748586773 +38.679023731

Type

SN Ia

Redshift

0.039

Discovery Report Classification Report

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2023-09-11 10:24:29.088

TNS AT

Y

Public

Y

Discovery Mag

19.09

Filter

cyan-ATLAS

Reporter/s

J. Tonry, L. Denneau, H. Weiland, A. Lawrence, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt (Oxford/QUB), K. W. Smith, S. Srivastav, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng (Queen's University Belfast), A. Aamer (QUB/Birmingham), L. Shingles (GSI/QUB), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. Sommer (LMU/QUB), L. Rhodes, A. Andersson (Oxford)

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

ATLAS-HKO_ATLAS-02_orange

▌

ATLAS-HKO_ATLAS-02_cyan

▌

PS1_GPC1_g

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
	15825	2023-10-06 23:01:00	BL41 / FOSC-E5535	7200	Claudio Balcon	Claudio Balcon	None	tns_2023sax_2023-10-06_23-01-00_Other_Other.dat	tns_2023sax_2023-10-06_23-01-00_Other_Other.fit	Object			We obtained the low-resolution spectrum R~100 using the FOSC-ES32 spectrograph attached to a 0.41m telescope, in the course of Italian Supernovae Search Project.
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 We obtained the low-resolution spectrum R~100 using the FOSC-ES32 spectrograph attached to a 0.41m telescope, in the course of Italian Supernovae Search Project.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

orange-ATLAS

ATLAS-HKO_ATLAS-02

2023-09-10 13:23:01 - 2023-09-10 13:23:01

2460198.05765 - 2460198.05765

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
362431	2023-09-10 13:23:01	2460198.05765			19.45	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[Last non detection]

cyan-ATLAS

ATLAS-HKO_ATLAS-02

2023-09-11 10:24:29 - 2023-09-11 10:24:29

2460198.93367 - 2460198.93367

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
362432	2023-09-11 10:24:29	2460198.93367	19.09	0.152	19.41	ABMag	cyan-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot

g-P1

PS1_GPC1

2023-09-23 13:55:03 - 2023-09-23 13:55:03

2460211.0799 - 2460211.0799

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
365278	2023-09-23 13:55:03	2460211.0799	17.35	0.05	21	ABMag	g-P1	PS1_GPC1	27	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
188984	2023-09-24 15:10:31	YSE_Bot1	D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al.	YSE	Pan-STARRS	02:31:05.966	+38:40:44.49	2023-09-23 13:55:03.360	17.35	g-P1		PSN		PS23iqh	Pan-STARRS, YSE				N
187568	2023-09-11 14:53:29	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland et al.	ATLAS	ATLAS	02:31:05.932	+38:40:45.10	2023-09-11 10:24:29.088	19.09	cyan-ATLAS		PSN		ATLAS23shi	ATLAS			2023TNSTR2226....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

15740

2023-10-07 00:31:03

Claudio Balcon

Claudio Balcon (Belluno A.O. ISSP)

None

SN Ia

0.039

1

GELATO (Harutyunyan et al., 2008, A&A, 488, 383) suggests that this low S/N spectrum resembles that of a type la supernova about two weeks after the maximum. The redshift has been deduced from the SN spectral fitting.

2023TNSCR2520....1B

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
15825	2023-10-06 23:01:00	BL41 / FOSC-E5535	7200	Claudio Balcon	Claudio Balcon	None	tns_2023sax_2023-10-06_23-01-00_Other_Other.dat	tns_2023sax_2023-10-06_23-01-00_Other_Other.fit	Object			We obtained the low-resolution spectrum R~100 using the FOSC-ES32 spectrograph attached to a 0.41m telescope, in the course of Italian Supernovae Search Project.

Comments

Object coordinates updated

Object coordinates updated according to AT-report 188984 of Group Pan-STARRS
Previous RA, DEC: 02:31:05.932, +38:40:45.10 (37.7747166667, +38.6791933333)
Updated RA, DEC: 02:31:05.966, +38:40:44.49 (37.7748586773, 38.679023731)

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