RA/DEC (2000)
04:38:56.950 -20:39:44.10
69.737292 -20.66225
Type
SLSN-I
Redshift
0.16
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2018-09-10 13:52:19.000
TNS AT
Y
Public
Y
Discovery Mag
18.889
Filter
orange-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, K. Maguire, S. J. Prentice, O. McBrien, D. O'Neill, P. Clark, M. Magee, M. Fulton, A. McCormack (Queen's University Belfast), D. E. Wright (University of Minnesota)

Spectra

 SN_2018ibb - 2018-12-15 06:06:15 ESO-NTT / EFOSC2-NTT (ePESSTO)z=
 SN_2018ibb - 2018-12-01 08:22:34 Keck1 / LRIS (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_g
 Gaia_Gaia-photometric_G
 ATLAS-MLO_ATLAS-01_orange
 ATLAS-HKO_ATLAS-02_orange
 PS1_GPC1_w
   
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
3273 2018-12-15 06:06:15 ESO-NTT / EFOSC2-NTT 1800 M. Pursiainen, N. Castro-Segura M. Smith ePESSTO tns_2018ibb_2018-12-15_06-06-15_ESO-NTT_EFOSC2-NTT_ePESSTO.asci tns_2018ibb_2018-12-15_06-06-15_ESO-NTT_EFOSC2-NTT_ePESSTO.fits Object
3216 2018-12-01 08:22:34 Keck1 / LRIS 300 A. Ho, Y. Yao A. Ho ZTF tns_2018ibb_2018-12-01_08-22-34_Keck1_LRIS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-ZTF P48_ZTF-Cam 2018-11-08 08:39:50 - 2018-11-19 10:34:34 2458430.8609954 - 2458441.9406829 7
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
43586 2018-11-19 10:34:34 2458441.9406829 19.013 0.157289 19.5802 ABMag g-ZTF P48_ZTF-Cam 30
43590 2018-11-15 10:00:51 2458437.9172569 18.8197 0.142492 19.9284 ABMag g-ZTF P48_ZTF-Cam 30
41965 2018-11-15 10:00:28 2458437.9169907 18.82 ABMag g-ZTF P48_ZTF-Cam 30 ZTF
43589 2018-11-12 09:27:20 2458434.8939931 18.9532 0.122614 19.971 ABMag g-ZTF P48_ZTF-Cam 30
43588 2018-11-09 10:01:20 2458431.9176042 19.0568 0.146792 19.8144 ABMag g-ZTF P48_ZTF-Cam 30
43587 2018-11-08 08:40:12 2458430.86125 19.2049 0.099125 20.8676 ABMag g-ZTF P48_ZTF-Cam 30
41964 2018-11-08 08:39:50 2458430.8609954 19.2 ABMag g-ZTF P48_ZTF-Cam 30 ZTF
G-Gaia Gaia_Gaia-photometric 2018-12-17 02:24:00 - 2019-07-04 20:36:57 2458469.6 - 2458669.3589931 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
77498 2019-07-04 20:36:57 2458669.3589931 19.37 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
77497 2018-12-17 02:24:00 2458469.6 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2018-09-10 13:52:19 - 2018-09-10 13:52:19 2458372.0779977 - 2458372.0779977 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
39319 2018-09-10 13:52:19 2458372.0779977 18.889 0.162 19.14 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2018-09-08 14:29:45 - 2018-09-08 14:29:45 2458370.1039931 - 2458370.1039931 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
39318 2018-09-08 14:29:45 2458370.1039931 19.64 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
w-P1 PS1_GPC1 2019-01-08 08:05:16 - 2019-01-08 08:05:16 2458491.8369907 - 2458491.8369907 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
75164 2019-01-08 08:05:16 2458491.8369907 17.89 0.01 22 ABMag w-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
41097 2019-07-06 20:44:44 Gaia_Bot1 A. Delgado, D. Harrison, S. Hodgkin et al. GaiaAlerts GaiaAlerts 04:38:56.950 -20:39:44.10 2019-07-04 20:36:57.000 19.37 G-Gaia Other Gaia19cvo GaiaAlerts confirmed SLSN-I N
39822 2019-07-01 08:35:35 PS1_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 04:38:56.945 -20:39:44.03 2019-01-08 08:05:16.000 17.89 w-P1 PSN PS19crg Pan-STARRS N
25437 2018-11-25 13:37:30 ZTF_AMPEL_NEW J. Nordin, V. Brinnel, M. Giomi et al. ZTF ZTF 04:38:56.929 -20:39:43.86 2018-11-08 08:40:12.000 19.013 g-ZTF PSN ZTF18acenqto ZTF N
25025 2018-11-16 01:18:44 ZTF_Bot1 C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration ZTF ZTF 04:38:56.931 -20:39:44.22 2018-11-08 08:39:50.000 19.2 g-ZTF PSN ZTF18acenqto ZTF N
24283 2018-11-07 14:55:06 ATLAS_Bot1 J. Tonry, L. Denneau, A. Heinze et al. ATLAS ATLAS 04:38:56.956 -20:39:44.01 2018-09-10 13:52:19.000 18.889 orange-ATLAS PSN ATLAS18unu ATLAS 2018TNSTR1722....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
3265 2018-12-16 06:51:08 ePESSTO_Bot1 M. Pursiainen, N. Castro-Segura, M. Smith, O. Yaron on behalf of ePESSTO ePESSTO SLSN-I 0.16 1 ePESSTO 2018TNSCR2184....1P
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
3273 2018-12-15 06:06:15 ESO-NTT / EFOSC2-NTT 1800 M. Pursiainen, N. Castro-Segura M. Smith ePESSTO tns_2018ibb_2018-12-15_06-06-15_ESO-NTT_EFOSC2-NTT_ePESSTO.asci tns_2018ibb_2018-12-15_06-06-15_ESO-NTT_EFOSC2-NTT_ePESSTO.fits Object
3208 2018-12-06 11:46:28 Ofer Yaron C. Fremling, A. Dugas (Caltech), Y. Sharma (IIT Bombay), O. Yaron, A. Gal-Yam (WIS) on behalf of the ZTF ZTF SN 0.1586 1 ZTF This is not a Ia but more similar to SN2002bj. It is unclear yet if a Type I or II (Halpha has a width of ~800 km/s so could be intrinsic). Also refining redshift. 2018TNSCR2180....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
3216 2018-12-01 08:22:34 Keck1 / LRIS 300 A. Ho, Y. Yao A. Ho ZTF tns_2018ibb_2018-12-01_08-22-34_Keck1_LRIS_ZTF.ascii Object
3199 2018-12-05 19:10:02 ZTF_Bot1 C. Fremling, A. Dugas (Caltech), Y. Sharma (IIT Bombay) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.1758 ZTF 2018TNSCR1877....1F

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 41097 of Group GaiaAlerts
Previous RA, DEC: 04:38:56.945, -20:39:44.03 (69.7372691145, -20.6622310461)
Updated RA, DEC: 04:38:56.950, -20:39:44.10 (69.737292, -20.66225)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 39822 of Group Pan-STARRS1
Previous RA, DEC: 04:38:56.929, -20:39:43.86 (69.7372021, -20.6621826)
Updated RA, DEC: 04:38:56.945, -20:39:44.03 (69.7372691145, -20.6622310461)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 25437 of Group ZTF
Previous RA, DEC: 04:38:56.956, -20:39:44.01 (69.7373178146, -20.6622254967)
Updated RA, DEC: 04:38:56.929, -20:39:43.86 (69.7372021, -20.6621826)