RA/DEC (2000)
09:58:59.850 +17:49:07.39
149.749375 +17.818719
Type
SN Ia
Redshift
0.02544
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2019-04-10 08:16:47.000
TNS AT
Y
Public
Y
Discovery Mag
18.76
Filter
cyan-ATLAS
Reporter/s
J. Tonry, L. Denneau, A. Heinze, H. Weiland, H. Flewelling (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, O. McBrien, D. O'Neill, P. Clark, M. Fulton, A. McCormack (Queen's University Belfast), D. E. Wright (University of Minnesota)

Spectra

 SN_2019dfa - 2019-04-11 10:16:24 FTS / FLOYDS-S (Global SN Project)z=
 SN_2019dfa - 2019-04-10 23:47:59 P60 / SEDM (ZTF)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
Show He II at z=vexp= km/s
Show C II at z=vexp= km/s
Show C III at z=vexp= km/s
Show C IV at z=vexp= km/s
Show N II at z=vexp= km/s
Show N III at z=vexp= km/s
Show N IV at z=vexp= km/s
Show N V at z=vexp= km/s
Show O at z=vexp= km/s
Show [O I] at z=vexp= km/s
Show O II at z=vexp= km/s
Show [O II] at z=vexp= km/s
Show [O III] at z=vexp= km/s
Show O V at z=vexp= km/s
Show O VI at z=vexp= km/s
Show Na at z=vexp= km/s
Show Mg at z=vexp= km/s
Show Mg II at z=vexp= km/s
Show Si II at z=vexp= km/s
Show S II at z=vexp= km/s
Show Ca II at z=vexp= km/s
Show [Ca II] at z=vexp= km/s
Show Fe II at z=vexp= km/s
Show Fe III at z=vexp= km/s
Show Å at z=vexp= km/s
Show Å at z=vexp= km/s
Show Å at z=vexp= km/s
Show Å at z=vexp= km/s
Show Tellurics 
Show Galaxy lines at z=
Show WR-WN at z=vexp= km/s
Show WR-WC/O at z=vexp= km/s
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 Gaia_Gaia-photometric_G
 ATLAS-MLO_ATLAS-01_orange
 ATLAS-HKO_ATLAS-02_cyan
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
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
3860 2019-04-11 10:16:24 FTS / FLOYDS-S 3600 Las Cumbres Observatory Daichi Hiramatsu Global SN Project tns_2019dfa_2019-04-11_10-16-24_FTS_FLOYDS-S_Global_SN_Project.ascii tns_2019dfa_2019-04-11_10-16-24_FTS_FLOYDS-S_Global_SN_Project.fits Object
3868 2019-04-10 23:47:59 P60 / SEDM 1200 SEDmRobot auto ZTF tns_2019dfa_2019-04-10_23-47-59_P60_SEDM_ZTF.ascii Object 2022-04-15
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2019-04-08 05:38:04 - 2019-04-11 04:27:08 2458581.7347685 - 2458584.6855208 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
60897 2019-04-11 04:27:08 2458584.6855208 18.33 0.08 20.26 ABMag r-ZTF P48_ZTF-Cam 30
61318 2019-04-11 04:27:08 2458584.6855208 18.33 0.08 20.26 ABMag r-ZTF P48_ZTF-Cam 30
60895 2019-04-08 05:38:04 2458581.7347685 20.6202 ABMag r-ZTF P48_ZTF-Cam 30 [Last non detection]
61316 2019-04-08 05:38:04 2458581.7347685 20.6202 ABMag r-ZTF P48_ZTF-Cam 30 [Last non detection]
g-ZTF P48_ZTF-Cam 2019-04-11 05:33:39 - 2019-04-11 05:33:39 2458584.731713 - 2458584.731713 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
60896 2019-04-11 05:33:39 2458584.731713 18.41 0.1 20.24 ABMag g-ZTF P48_ZTF-Cam 30
61317 2019-04-11 05:33:39 2458584.731713 18.41 0.1 20.24 ABMag g-ZTF P48_ZTF-Cam 30
G-Gaia Gaia_Gaia-photometric 2018-12-04 22:53:45 - 2019-04-18 23:55:40 2458457.4539931 - 2458592.4969907 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
61964 2019-04-18 23:55:40 2458592.4969907 16.74 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
61963 2018-12-04 22:53:45 2458457.4539931 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2019-04-08 09:24:28 - 2019-04-08 09:24:28 2458581.8919907 - 2458581.8919907 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
60762 2019-04-08 09:24:28 2458581.8919907 19.34 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2019-04-10 08:16:47 - 2019-04-10 08:16:47 2458583.8449884 - 2458583.8449884 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
60763 2019-04-10 08:16:47 2458583.8449884 18.76 0.133 19.26 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 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
33238 2019-04-20 22:03:36 Gaia_Bot1 A. Delgado, D. Harrison, S. Hodgkin et al. GaiaAlerts GaiaAlerts 09:58:59.850 +17:49:07.39 2019-04-18 23:55:40.000 16.74 G-Gaia PSN Gaia19bkz GaiaAlerts confirmed SN Ia N
32977 2019-04-12 16:47:32 ZTF_AMPEL_COMPLETE J. Nordin, V. Brinnel, M. Giomi et al. ZTF ZTF 09:58:59.859 +17:49:07.50 2019-04-11 04:27:08.000 18.41 g-ZTF PSN ZTF19aaptzar ZTF N
32787 2019-04-11 08:29:55 ZTF_AMPEL_NEW J. Nordin, V. Brinnel, M. Giomi et al. ZTF ZTF 09:58:59.859 +17:49:07.50 2019-04-11 04:27:08.000 18.41 g-ZTF PSN ZTF19aaptzar ZTF N
32740 2019-04-10 21:23:11 ATLAS_Bot1 J. Tonry, L. Denneau, A. Heinze et al. ATLAS ATLAS 09:58:59.807 +17:49:07.66 2019-04-10 08:16:47.000 18.76 cyan-ATLAS PSN ATLAS19gcr ATLAS 2019TNSTR.539....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
3861 2019-04-15 17:36:52 ZTF_Bot1 C. Fremling, A. Dugas (Caltech), Y. Sharma (IIT Bombay) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.02544 1 ZTF 2019TNSCR2790....1F
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
3868 2019-04-10 23:47:59 P60 / SEDM 1200 SEDmRobot auto ZTF tns_2019dfa_2019-04-10_23-47-59_P60_SEDM_ZTF.ascii Object 2022-04-15
3853 2019-04-11 21:55:46 Daichi Hiramatsu Daichi Hiramatsu, Jamison Burke, Iair Arcavi, D. Andrew Howell, Curtis McCully, Stefano Valenti Global SN Project SN Ia 0.025731 1 Global SN Project Using Superfit (Howell et al. 2005, ApJ, 634, 1190) and SNID (Blondin & Tonry 2007, ApJ, 666, 1024), we find good fits to several Type Ia SNe around 10 days before maximum at the redshift of the proposed host galaxy (z=0.025731; 1995ApJS..100..69F, via NED). At the redshift, the absolute extinction-corrected magnitude in B-band taken at UTC 2019-04-11 10:21:40 is -16.9. We measure a Si II 6355 velocity of -13,000 km/s. 2019TNSCR.550....1H
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
3860 2019-04-11 10:16:24 FTS / FLOYDS-S 3600 Las Cumbres Observatory Daichi Hiramatsu Global SN Project tns_2019dfa_2019-04-11_10-16-24_FTS_FLOYDS-S_Global_SN_Project.ascii tns_2019dfa_2019-04-11_10-16-24_FTS_FLOYDS-S_Global_SN_Project.fits Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 33238 of Group GaiaAlerts
Previous RA, DEC: 09:58:59.807, +17:49:07.66 (149.7491975, +17.818795)
Updated RA, DEC: 09:58:59.850, +17:49:07.39 (149.749375, 17.818719)