RA/DEC (2000)
12:59:51.770 +27:56:36.67
194.965708 +27.943519
Type
SN Ia
Redshift
0.023
Discovery ReportClassification Report
Related AstroNotes: 2022-82, 2022-135
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2022-04-01 12:14:12.768
TNS AT
Y
Public
Y
Discovery Mag
19.172
Filter
cyan-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii), A. Heinze, B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, S. Srivastav, M. Fulton, J. Gillanders, T. Moore, L. Shingles, M. McCollum (Queen's University Belfast), T.-W. Chen (Stockholm), D. E. Wright (University of Minnesota), J. Anderson (ESO), A. Jordan, V. Suc (UAI, Obstech)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2022frn - 2022-04-08 03:16:11 LT / SPRAT (OxQUB)z=
 ▌SN_2022frn - 2022-04-07 21:21:00 Other / Other (None)z=
▌Show H at z=vexp= km/s
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌PS2_GPC2_r
 ▌Gaia_Gaia-photometric_G
 ▌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
12279 2022-04-08 03:16:11 LT / SPRAT 1800 Robotic Auto OxQUB tns_2022frn_2022-04-08_03-16-11_LT_SPRAT_QUB.txt Object Spectrum was obtained with the Liverpool Telescope and reduced using the integrated quick reduction pipeline.
12271 2022-04-07 21:21:00 Other / Other 3600 Claudio Balcon Claudio Balcon None tns_2022frn_2022-04-07_21-21-00_Other_Other.dat tns_2022frn_2022-04-07_21-21-00_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
r-P1 PS2_GPC2 2022-04-02 08:33:24 - 2022-04-02 08:33:24 2459671.85653 - 2459671.85653 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
274229 2022-04-02 08:33:24 2459671.85653 18.48 0.06 20.6 ABMag r-P1 PS2_GPC2 27 Robot
G-Gaia Gaia_Gaia-photometric 2022-02-05 00:33:07 - 2022-05-11 13:22:05 2459615.523 - 2459711.057 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
285525 2022-05-11 13:22:05 2459711.057 17.76 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
285524 2022-02-05 00:33:07 2459615.523 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2022-03-31 12:07:58 - 2022-04-01 12:14:13 2459670.00553 - 2459671.00987 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
273527 2022-04-01 12:14:13 2459671.00987 19.172 0.153 19.46 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
273526 2022-03-31 12:07:58 2459670.00553 19.64 ABMag cyan-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 ADS Bibcode Unreal Auto classification
148861 2022-06-01 07:31:55 Gaia_Bot1 S.T. Hodgkin, E. Breedt, A. Delgado et al. GaiaAlerts GaiaAlerts 12:59:51.770 +27:56:36.67 2022-05-11 13:22:04.800 17.76 G-Gaia PSN Gaia22cbk GaiaAlerts confirmed SN Ia N
143311 2022-04-03 16:27:10 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 12:59:51.776 +27:56:36.68 2022-04-02 08:33:24.192 18.48 r-P1 PSN PS22ctw Pan-STARRS, YSE N
142946 2022-04-02 12:41:41 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 12:59:51.795 +27:56:36.66 2022-04-01 12:14:12.768 19.172 cyan-ATLAS PSN ATLAS22knj ATLAS 2022TNSTR.849....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
12221 2022-04-08 15:57:26 Michael Fulton M. Fulton, S. Srivastav, S. J. Smartt, K. W. Smith, D. R. Young, S. A. Sim, J. Gillanders, T. Moore (Queen's University Belfast) OxQUB SN Ia 0.023 1 OxQUB Several matches with normal SNe Ia at 8 to 10 days before maximum light were obtained using SNID (e.g., SN1994D at t = -10d). Redshift from the known Coma Cluster host (on NED). 2022TNSCR.911....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
12279 2022-04-08 03:16:11 LT / SPRAT 1800 Robotic Auto OxQUB tns_2022frn_2022-04-08_03-16-11_LT_SPRAT_QUB.txt Object Spectrum was obtained with the Liverpool Telescope and reduced using the integrated quick reduction pipeline.
12213 2022-04-07 22:04:24 Claudio Balcon Claudio Balcon (Belluno A.O. ISSP) None SN Ia 0.026 1 GELATO (Harutyunyan et al., 2008, A&A, 488, 383) suggests that this low S/N spectrum resembles that of SN Type Ia about ten days before the maximum light. The redshift has been deduced from the SN spectral fitting. 2022TNSCR.903....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
12271 2022-04-07 21:21:00 Other / Other 3600 Claudio Balcon Claudio Balcon None tns_2022frn_2022-04-07_21-21-00_Other_Other.dat tns_2022frn_2022-04-07_21-21-00_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

Wed, 06/01/2022 - 07:30

Object coordinates updated

Object coordinates updated according to AT-report 148861 of Group GaiaAlerts
Previous RA, DEC: 12:59:51.776, +27:56:36.68 (194.965735311, +27.9435219392)
Updated RA, DEC: 12:59:51.770, +27:56:36.67 (194.965708, 27.943519)

TNS
System

Sun, 04/03/2022 - 15:30

Object coordinates updated

Object coordinates updated according to AT-report 143311 of Group Pan-STARRS
Previous RA, DEC: 12:59:51.795, +27:56:36.66 (194.965812, +27.943518)
Updated RA, DEC: 12:59:51.776, +27:56:36.68 (194.965735311, 27.9435219392)