2018aqk | Transient Name Server

RA/DEC (2000)

12:04:58.300 +32:23:28.97

181.242917 +32.391381

Type

SN Ia

Redshift

0.054

Discovery Report Classification Report

Reporting Group

ASAS-SN

Discovering Data Source

ASAS-SN

Discovery Date

2018-04-05 02:38:24.000

TNS AT

Y

Public

Y

Host Name

CGCG 187-001

Host Redshift

0.054054

Discovery Mag

17.8

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

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
	1860	2018-04-12 06:28:48	MDM-2.4 / OSMOS		J. Rupert	S. Bose	ASAS-SN	tns_2018aqk_2018-04-12.27_MDM-2.4_OSMOS_ASAS-SN.txt	tns_2018aqk_2018-04-12.27_MDM-2.4_OSMOS_ASAS-SN.fits	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
	1929	2018-04-10 00:00:00	APO-3.5m / DIS		M. Graham	M. Graham	ZTF	tns_2018aqk_2018-04-10.0_APO_3.5m_DIS_ZTF.txt		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

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

r-ZTF

P48_ZTF-Cam

2018-04-06 06:00:00 - 2018-04-06 06:00:00

2458214.75 - 2458214.75

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
27366	2018-04-06 06:00:00	2458214.75	17.8			ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF-comissioning

g-Sloan

ASASSN-4_Leavitt

2018-03-23 06:28:48 - 2018-04-05 02:38:24

2458200.77 - 2458213.61

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
26746	2018-04-05 02:38:24	2458213.61	17.8			ABMag	g-Sloan	ASASSN-4_Leavitt
26745	2018-03-23 06:28:48	2458200.77			18.7	ABMag	g-Sloan	ASASSN-4_Leavitt			[Last non detection]

G-Gaia

Gaia_Gaia-photometric

2018-01-13 08:44:09 - 2018-04-18 05:19:40

2458131.8639931 - 2458226.7219907

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
27127	2018-04-18 05:19:40	2458226.7219907	18.03	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
27126	2018-01-13 08:44:09	2458131.8639931			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		Robot	[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2018-03-28 10:24:57 - 2018-03-28 10:24:57

2458205.9339931 - 2458205.9339931

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
27299	2018-03-28 10:24:57	2458205.9339931	18.292	0.182	18.49	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

cyan-ATLAS

ATLAS-HKO_ATLAS-02

2018-03-17 11:18:14 - 2018-03-17 11:18:14

2458194.9709954 - 2458194.9709954

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
27298	2018-03-17 11:18:14	2458194.9709954			19.81	ABMag	cyan-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[Last non detection]

i-P1

PS1_GPC1

2018-06-02 07:48:00 - 2018-06-02 07:48:00

2458271.825 - 2458271.825

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
29945	2018-06-02 07:48:00	2458271.825	20.15	0.13	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	ADS Bibcode	Unreal	Auto classification
19343	2018-06-12 18:25:27	PS1_Bot1	K. C. Chambers, M. E. Huber, H. Flewelling et al.	Pan-STARRS	Pan-STARRS	12:04:58.299	+32:23:28.96	2018-06-02 07:48:00.000	20.15	i-P1		PSN		PS18xr	Pan-STARRS				N
18001	2018-04-24 06:24:29	ZTF_Bot1	Ragnhild Lunnan, Francesco Taddia, Jesper Sollerman et al.	ZTF	ZTF	12:04:58.300	+32:23:29.00	2018-04-06 06:00:00.000	17.8	r-ZTF		PSN		ZTF18aahfgsk	ZTF				N
17967	2018-04-23 17:52:02	ATLAS_Bot1	J. Tonry, B. Stalder, L. Denneau et al.	ATLAS	ATLAS	12:04:58.329	+32:23:29.07	2018-03-28 10:24:57.000	18.292	orange-ATLAS		PSN		ATLAS18noe	ATLAS				N
17837	2018-04-19 09:38:09	Gaia_Bot1	A. Delgado, D. Harrison, S. Hodgkin et al.	GaiaAlerts	GaiaAlerts	12:04:58.300	+32:23:28.97	2018-04-18 05:19:40.000	18.03	G-Gaia		PSN		Gaia18azn	GaiaAlerts		confirmed SN Ia in outskirts of galaxy LEDA 1994509, confirms GS-TEC prediction, aka ASASSN-18he		N
17639	2018-04-07 09:49:50	Krzysztof Stanek	K. Z. Stanek, for the ASAS-SN team	ASAS-SN	ASAS-SN	12:04:58.474	+32:23:29.15	2018-04-05 02:38:24.000	17.8	g-Sloan		PSN	CGCG 187-001	ASASSN-18he	ASAS-SN		In two epochs, on the rise	2018TNSTR.452....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

1924

2018-04-24 06:51:24

ZTF_Bot1

Ragnhild Lunnan, Francesco Taddia, Jesper Sollerman, Cristina Barbarino, Ariel Goobar (OKC), Christoffer Fremling, Mansi Kasliwal, Chris Cannella, Nadejda Blagorodnova, J. Don Neill, Richard Walters, Anna Ho, Lin Yan, Kevin Burdge (Caltech), Steve Schulze, Ofer Yaron, Avishay Gal-Yam, Yi Yang (Weizmann), Melissa Graham, V. Zach Golkhou, Eric Bellm (UW), Daniel Perley (LJMU) on behalf of ZTF

ZTF

SN Ia

0.054

1

ZTF

2018TNSCR2091....1L

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
1929	2018-04-10 00:00:00	APO-3.5m / DIS		M. Graham	M. Graham	ZTF	tns_2018aqk_2018-04-10.0_APO_3.5m_DIS_ZTF.txt		Object

1855

2018-04-13 14:24:02

Subhash Bose

S. Bose, S. Dong, P. Chen (KIAA-PKU), J. Rupert (MDM), J. Shields, K. Z. Stanek (OSU), J. L. Prieto (UDP)

ASAS-SN

SN Ia

0.054054

1

ASAS-SN

2018TNSCR.489....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
1860	2018-04-12 06:28:48	MDM-2.4 / OSMOS		J. Rupert	S. Bose	ASAS-SN	tns_2018aqk_2018-04-12.27_MDM-2.4_OSMOS_ASAS-SN.txt	tns_2018aqk_2018-04-12.27_MDM-2.4_OSMOS_ASAS-SN.fits	Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 17837 of Group GaiaAlerts
Previous RA, DEC: 12:04:58.474, +32:23:29.15 (181.24364, +32.39143)
Updated RA, DEC: 12:04:58.300, +32:23:28.97 (181.242917, 32.391381)

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Finding Chart

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

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