2025dyt | Transient Name Server

RA/DEC (2000)

08:05:29.556 +37:32:12.16

121.37314875 +37.5367124984

Type

SN Ia

Redshift

0.03369

Discovery Report Classification Report

Reporting Group

SGLF

Discovering Data Source

ZTF

Discovery Date

2025-03-05 06:55:19.000

TNS AT

Y

Public

Y

Host Name

CGCG 178-027

Host Redshift

0.03369

Discovery Mag

18.561

Filter

g-ZTF

Reporter/s

I. Pérez-Fournon (IAC and ULL), D. Cano-Morales, I. Correa-Plasencia, A.E. Hernández-Díaz, C. Jaén-Martín (ULL), F. Poidevin (IAC and ULL), E. Hatziminaoglou (ESO and IAC), C. Jiménez Ángel (GRANTECAN), Z. Delgado-González (ULL), R. Shirley (MPE), R. Marques-Chaves (Univ. of Geneva), and S. Geier (GRANTECAN & IAC) on behalf of SGLF

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

P48_ZTF-Cam_g

▌

ATLAS-HKO_ATLAS-02_orange

▌

PS1_GPC1_i

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
	20591	2025-03-19 19:58:00	Other / Other	1800	Claudio Balcon, Stefano De Toffol	Claudio Balcon, Stefano De Toffol	None	tns_2025dyt_2025-03-19_19-58-00_Other_Other_None.dat	tns_2025dyt_2025-03-19_19-58-00_Other_Other_None.fit	Object			We obtained the low-resolution spectrum R~100 using the FOSC-E5535 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-E5535 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

g-ZTF

P48_ZTF-Cam

2025-02-27 07:13:34 - 2025-03-05 06:55:19

2460733.801088 - 2460739.7884144

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
474637	2025-03-05 06:55:19	2460739.7884144	18.561	0.072		ABMag	g-ZTF	P48_ZTF-Cam	30	ZTFbot
474636	2025-02-27 07:13:34	2460733.801088			20.366	ABMag	g-ZTF	P48_ZTF-Cam	30	ZTFbot	[Last non detection]

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-03-05 09:36:50 - 2025-03-12 10:18:32

2460739.90058 - 2460746.92954

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
475158	2025-03-12 10:18:32	2460746.92954	16.689	0.076	17.46	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot
475157	2025-03-05 09:36:50	2460739.90058			19.13	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[Last non detection]

i-P1

PS1_GPC1

2025-03-18 08:06:20 - 2025-03-18 08:06:20

2460752.83773 - 2460752.83773

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
478046	2025-03-18 08:06:20	2460752.83773	17.45	0.03	20.7	ABMag	i-P1	PS1_GPC1	45	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	Bibcode	Unreal	Auto classification
249507	2025-03-23 11:49:02	PS1_Bot1	K. C. Chambers,T. de Boer,J. Fairlamb et al.	Pan-STARRS	Pan-STARRS	08:05:29.556	+37:32:12.16	2025-03-18 08:06:19.872	17.45	i-P1		PSN		PS25ast	Pan-STARRS				N
247819	2025-03-13 09:35:41	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland et al.	ATLAS	ATLAS	08:05:29.458	+37:32:12.22	2025-03-12 10:18:32.256	16.689	orange-ATLAS		PSN		ATLAS25cqp	ATLAS				N
247538	2025-03-10 02:05:21	Ismael Perez-Fournon	I. Pérez-Fournon (IAC and ULL),D. Cano-Morales,I. Correa-Plasencia et al.	SGLF	ZTF	08:05:29.560	+37:32:12.17	2025-03-05 06:55:19.000	18.561	g-ZTF		PSN	CGCG 178-027	ZTF25aaiotvj	ZTF		SN candidate discovered using the public ZTF alerts, the LSST/ZTF brokers, and our SGLF filters. ZTF light curve available at the LSST/ZTF brokers, e.g.: https://lasair-ztf.lsst.ac.uk/objects/ZTF25aaiotvj/ https://alerce.online/object/ZTF25aaiotvj https://antares.noirlab.edu/loci/ANT20251nr4x6ngodbr https://fink-portal.org/ZTF25aaiotvj	2025TNSTR.941....1P	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

20591

2025-03-19 22:14:19

Claudio Balcon

Claudio Balcon (Belluno A.O. ISSP), Stefano De Toffol (IIS Galilei Tiziano)

None

SN Ia

0.03369

1

GELATO (Harutyunyan et al., 2008, A&A, 488, 383) suggests that this low S/N spectrum resembles that of a type Ia supernova at the redshift of the host galaxy, value from NED.

2025TNSCR1055....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
20591	2025-03-19 19:58:00	Other / Other	1800	Claudio Balcon, Stefano De Toffol	Claudio Balcon, Stefano De Toffol	None	tns_2025dyt_2025-03-19_19-58-00_Other_Other_None.dat	tns_2025dyt_2025-03-19_19-58-00_Other_Other_None.fit	Object			We obtained the low-resolution spectrum R~100 using the FOSC-E5535 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 249507 of Group Pan-STARRS
Previous RA, DEC: 08:05:29.560, +37:32:12.17 (121.373167, +37.536714)
Updated RA, DEC: 08:05:29.556, +37:32:12.16 (121.37314875, +37.5367124984)

Log in or register to post comments

Log in or register to post comments