2023cqz | Transient Name Server

RA/DEC (2000)

11:30:12.874 +24:10:13.30

172.55364 +24.17036

Type

SN Ia

Redshift

0.023343

Discovery Report Classification Report

Reporting Group

ASAS-SN

Discovering Data Source

ASAS-SN

Discovery Date

2023-02-28 04:19:12.000

TNS AT

Y

Public

Y

Host Name

CGCG 126-071

Host Redshift

0.023343

Discovery Mag

17.3

Filter

g-Sloan

Reporter/s

K. Z. Stanek, for the ASAS-SN team

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

ATLAS-CHL_ATLAS-04_orange

▌

ASASSN-3_Paczynski_g

▌

ATLAS-HKO_ATLAS-02_orange

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
	14574	2023-03-04 00:08:00	Other / Other	9000	Claudio Balcon	Claudio Balcon	None	tns_2023cqz_2023-03-04_00-08-00_Other_Other.dat	tns_2023cqz_2023-03-04_00-08-00_Other_Other.fit	Object			We obtained the low-resolution spectrum R~100 using the FOSC-ES32 spectrograph attached to a 0.2m 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 0.2m telescope, in the course of Italian Supernovae Search Project.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

orange-ATLAS

ATLAS-CHL_ATLAS-04

2023-04-28 02:13:58 - 2023-04-28 02:13:58

2460062.59303 - 2460062.59303

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
339885	2023-04-28 02:13:58	2460062.59303	17.905	0.139	18.85	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot

g-Sloan

ASASSN-3_Paczynski

2023-02-23 03:50:24 - 2023-03-01 05:45:36

2459998.66 - 2460004.74

3

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
330916	2023-03-01 05:45:36	2460004.74	16.8			ABMag	g-Sloan	ASASSN-3_Paczynski
330915	2023-02-28 04:19:12	2460003.68	17.3			ABMag	g-Sloan	ASASSN-3_Paczynski
330914	2023-02-23 03:50:24	2459998.66			18.2	ABMag	g-Sloan	ASASSN-3_Paczynski			[Last non detection]

orange-ATLAS

ATLAS-HKO_ATLAS-02

2023-04-25 08:34:42 - 2023-04-25 08:34:42

2460059.85743 - 2460059.85743

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
339884	2023-04-25 08:34:42	2460059.85743			19.43	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[Last non detection]

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
176093	2023-04-28 08:48:20	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland et al.	ATLAS	ATLAS	11:30:12.874	+24:10:13.30	2023-04-28 02:13:57.792	17.905	orange-ATLAS		PSN		ATLAS23jqw	ATLAS				N
171761	2023-03-02 04:03:58	Krzysztof Stanek	K. Z. Stanek, for the ASAS-SN team	ASAS-SN	ASAS-SN	11:30:13.018	+24:10:11.32	2023-02-28 04:19:12.000	17.3	g-Sloan		PSN	CGCG 126-071	ASASSN-23bh	ASAS-SN		Present in several epochs, on the rise, nuclear source, so it might be a TDE	2023TNSTR.464....1S	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

14500

2023-03-04 02:03:03

Claudio Balcon

Claudio Balcon (Belluno A.O. ISSP)

None

SN Ia

0.023343

1

The low S/N spectrum is contaminated by the host galaxy. DASH (Muthukrishna et al., 2019, ApJ, 885, 85) suggests that this spectrum resembles that of a type la supernova about one week before maximum light at the redshift of the host, value from NED.

2023TNSCR.479....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
14574	2023-03-04 00:08:00	Other / Other	9000	Claudio Balcon	Claudio Balcon	None	tns_2023cqz_2023-03-04_00-08-00_Other_Other.dat	tns_2023cqz_2023-03-04_00-08-00_Other_Other.fit	Object			We obtained the low-resolution spectrum R~100 using the FOSC-ES32 spectrograph attached to a 0.2m telescope, in the course of Italian Supernovae Search Project.

Comments

Object coordinates updated

Object coordinates updated according to AT-report 176093 of Group ATLAS
Previous RA, DEC: 11:30:13.018, +24:10:11.32 (172.55424, +24.16981)
Updated RA, DEC: 11:30:12.874, +24:10:13.30 (172.55364, 24.17036)

Log in or register to post comments

Log in or register to post comments