RA/DEC (2000)
10:03:29.260 +89:01:45.05
150.871917 +89.029181
Type
SN Ia
Redshift
0.016
Related AstroNotes: 2021-120
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2021-04-10 05:28:19.200
TNS AT
Y
Public
Y
Discovery Mag
18.286
Filter
cyan-ATLAS
Reporter/s
J. Tonry, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, S. Srivastav, O. McBrien, M. Fulton, J. Gillanders, C. Webb (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO)

Spectra

 SN_2021iwv - 2021-04-24 00:40:00 Other / Other (None)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 Gaia_Gaia-photometric_G
 ATLAS-MLO_ATLAS-01_cyan
 ATLAS-HKO_ATLAS-02_orange
   
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
9520 2021-04-24 00:40:00 Other / Other 6000 Claudio Balcon Claudio Balcon None tns_2021iwv_2021-04-24_00-40-00_Other_Other.dat tns_2021iwv_2021-04-24_00-40-00_Other_Other.fit Object I obtained the low-resolution spectrum R~100 using the FOSC-ES32 spectrograph attached to a 0.2m telescope, in the course of Italian Supernovae Search Project.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
G-Gaia Gaia_Gaia-photometric 2021-03-21 21:14:24 - 2021-04-23 19:01:55 2459295.385 - 2459328.293 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
208793 2021-04-23 19:01:55 2459328.293 17.24 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
208792 2021-03-21 21:14:24 2459295.385 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
cyan-ATLAS ATLAS-MLO_ATLAS-01 2021-04-10 05:28:19 - 2021-04-10 05:28:19 2459314.728 - 2459314.728 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
205330 2021-04-10 05:28:19 2459314.728 18.286 0.173 18.13 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2021-04-04 12:11:31 - 2021-04-04 12:11:31 2459309.008 - 2459309.008 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
205329 2021-04-04 12:11:31 2459309.008 15.76 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 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 Bibcode Unreal Auto classification
107646 2021-04-25 11:47:14 Gaia_Bot1 S.T. Hodgkin,E. Breedt,A. Delgado et al. GaiaAlerts GaiaAlerts 10:03:29.260 +89:01:45.05 2021-04-23 19:01:55.200 17.24 G-Gaia PSN Gaia21cat GaiaAlerts candidate SN near galaxy MCG +15-01-008 N
106045 2021-04-10 16:07:56 ATLAS_Bot1 J. Tonry,L. Denneau,A. Heinze et al. ATLAS ATLAS 10:03:29.818 +89:01:44.85 2021-04-10 05:28:19.200 18.286 cyan-ATLAS PSN ATLAS21lte ATLAS 2021TNSTR1136....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
9510 2021-04-25 17:17:13 Claudio Balcon Claudio Balcon (Belluno A.O.- ISSP) None SN Ia 0.016 1 The noisy spectrum is similar to those of type la supernovae at the redshift of the host galaxy. Another spectrum is necessary to clarify the subtype and confirm the type. 2021TNSCR1354....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
9520 2021-04-24 00:40:00 Other / Other 6000 Claudio Balcon Claudio Balcon None tns_2021iwv_2021-04-24_00-40-00_Other_Other.dat tns_2021iwv_2021-04-24_00-40-00_Other_Other.fit Object I obtained the low-resolution spectrum R~100 using the FOSC-ES32 spectrograph attached to a 0.2m telescope, in the course of Italian Supernovae Search Project.

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 107646 of Group GaiaAlerts
Previous RA, DEC: 10:03:29.818, +89:01:44.85 (150.87424375, +89.029125625)
Updated RA, DEC: 10:03:29.260, +89:01:45.05 (150.871917, 89.029181)