2018bfh | Transient Name Server

RA/DEC (2000)

10:22:41.110 +15:56:20.58

155.671292 +15.93905

Type

SN Ia

Redshift

0.044

Discovery Report Classification Report

Reporting Group

ASAS-SN

Discovering Data Source

ASAS-SN

Discovery Date

2018-05-06 03:50:24.000

TNS AT

Y

Public

Y

Host Name

CGCG 094-019

Host Redshift

0.044541

Discovery Mag

17

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

▌

P48_ZTF-Cam_r

▌

ASASSN-5_Payne-Gaposchkin_g

▌

ASASSN-4_Leavitt_g

▌

Gaia_Gaia-photometric_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
	1997	2018-05-08 06:41:04	Lick-3m / KAST	1545	G. Dimitriadis	G. Dimitriadis	None	tns_2018bfh_2018-05-08_06-41-04_Lick_3m_KAST.dat		Object
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
	2004	2018-05-08 06:01:05	Plaskett / Plaskett	3600	Balam	Balam	DAO_OTS	tns_2018bfh_2018-05-08_06-01-05_Plaskett_Telescope_Plaskett_DAO_OTS.txt	tns_2018bfh_2018-05-08_06-01-05_Plaskett_Telescope_Plaskett_DAO_OTS.fits	Object			The SNid fit yields a SN Ia at T = -8 days
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 The SNid fit yields a SN Ia at T = -8 days

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

r-ZTF

P48_ZTF-Cam

2018-04-23 04:04:48 - 2018-05-10 03:53:16

2458231.67 - 2458248.6619907

3

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
27898	2018-05-10 03:53:16	2458248.6619907	17.3			ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF
27897	2018-05-07 03:40:19	2458245.6529977	17.27			ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF
27896	2018-04-23 04:04:48	2458231.67			19.76	ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF	[Last non detection]

g-Sloan

ASASSN-5_Payne-Gaposchkin

2018-04-30 21:07:12 - 2018-04-30 21:07:12

2458239.38 - 2458239.38

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
27690	2018-04-30 21:07:12	2458239.38			16.8	ABMag	g-Sloan	ASASSN-5_Payne-Gaposchkin			[Last non detection]

g-Sloan

ASASSN-4_Leavitt

2018-05-06 03:50:24 - 2018-05-06 03:50:24

2458244.66 - 2458244.66

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
27691	2018-05-06 03:50:24	2458244.66	17			ABMag	g-Sloan	ASASSN-4_Leavitt

G-Gaia

Gaia_Gaia-photometric

2018-04-11 16:50:52 - 2018-04-27 04:55:12

2458220.2019907 - 2458235.705

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
29566	2018-04-27 04:55:12	2458235.705	17.39	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
29565	2018-04-11 16:50:52	2458220.2019907			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		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
19138	2018-06-06 12:05:34	Gaia_Bot1	A. Delgado, D. Harrison, S. Hodgkin et al.	GaiaAlerts	GaiaAlerts	10:22:41.110	+15:56:20.58	2018-04-27 04:55:12.000	17.39	G-Gaia		PSN		Gaia18bjx	GaiaAlerts		confirmed SN Ia in galaxy 2MASX J10224110+1556216, aka SN 2018bfh		N
18271	2018-05-10 21:44:36	ZTF_Bot1	C. Fremling (Caltech), K. Taggart (LJMU) on behalf of the Zwicky Transient Facility (ZTF) collaboration	ZTF	ZTF	10:22:41.117	+15:56:20.79	2018-05-07 03:40:19.000	17.27	r-ZTF		PSN		ZTF18aarbgdn	ZTF				N
18170	2018-05-06 17:24:41	Krzysztof Stanek	K. Z. Stanek, for the ASAS-SN team	ASAS-SN	ASAS-SN	10:22:41.189	+15:56:20.11	2018-05-06 03:50:24.000	17	g-Sloan		PSN	CGCG 094-019	ASASSN-18jn	ASAS-SN		In several epochs, nuclear source, so could also be a TDE	2018TNSTR.584....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

1999

2018-05-10 22:28:44

Dave Balam

Dave Balam

DAO_OTS

SN Ia

0.044

1

DAO_OTS

2018TNSCR2097....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
2004	2018-05-08 06:01:05	Plaskett / Plaskett	3600	Balam	Balam	DAO_OTS	tns_2018bfh_2018-05-08_06-01-05_Plaskett_Telescope_Plaskett_DAO_OTS.txt	tns_2018bfh_2018-05-08_06-01-05_Plaskett_Telescope_Plaskett_DAO_OTS.fits	Object			The SNid fit yields a SN Ia at T = -8 days

1992

2018-05-09 00:50:27

UCSCTr_Bot1

G. Dimitriadis, R. J. Foley (UCSC)

None

SN Ia

0.044

1

SN Ia at +5 days. We measure an Si II 6355 velocity of -9,800 km/s. ATel: 11622

2018TNSCR.607....1D

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
1997	2018-05-08 06:41:04	Lick-3m / KAST	1545	G. Dimitriadis	G. Dimitriadis	None	tns_2018bfh_2018-05-08_06-41-04_Lick_3m_KAST.dat		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 19138 of Group GaiaAlerts
Previous RA, DEC: 10:22:41.189, +15:56:20.11 (155.67162, +15.93892)
Updated RA, DEC: 10:22:41.110, +15:56:20.58 (155.671292, 15.93905)

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Finding Chart

http://www.astronomy.ohio-state.edu/~assassin/followup/asassn-18jn.png

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