RA/DEC (2000)
15:58:13.048 +08:54:24.98
239.5543649 +8.9069399
Type
---
Redshift
Related AstroNotes: 2023-99
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2023-04-20 05:42:45.792
TNS AT
Y
Public
Y
Discovery Mag
17.985
Filter
cyan-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, A. Lawrence, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), J. Anderson (ESO), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt (Oxford/QUB), K. W. Smith, S. Srivastav, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston (Queen's University Belfast), L. Shingles (GSI/QUB), A. Rest (STScI), T.-W. Chen (TUM/MPA), C. Stubbs (Harvard), J. Sommer (LMU/QUB), L. Rhodes, A. Andersson (Oxford)

Spectra

 AT_2023ghq - 2023-04-23 11:32:00 Lick-3m / KAST (UCSC)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),

Light curves

 ATLAS-CHL_ATLAS-04_cyan_
 ATLAS-STH_ATLAS-03_orange_
 P48_ZTF-Cam_r_
 P48_ZTF-Cam_g_
   
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
14848 2023-04-23 11:32:00 Lick-3m / KAST 2400 Kyle Davis (UCSC) Kyle Davis (UCSC) UCSC tns_2023ghq_2023-04-23_11-32-00_Lick-3m_KAST_UCSC.flm Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
cyan-ATLAS ATLAS-CHL_ATLAS-04 2023-04-20 05:42:46 - 2023-04-20 05:42:46 2460054.73803 - 2460054.73803 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
338442 2023-04-20 05:42:46 2460054.73803 17.985 0.08 19.48 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2023-04-19 02:06:51 - 2023-04-19 02:06:51 2460053.58809 - 2460053.58809 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
338441 2023-04-19 02:06:51 2460053.58809 19.35 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2023-04-19 10:30:43 - 2023-04-21 09:24:29 2460053.938 - 2460055.892 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
338488 2023-04-21 09:24:29 2460055.892 18.78 ABMag r-ZTF P48_ZTF-Cam 30 ZTF
338487 2023-04-19 10:30:43 2460053.938 20.37 ABMag r-ZTF P48_ZTF-Cam 30 ZTF [Last non detection]
g-ZTF P48_ZTF-Cam 2023-04-21 10:40:48 - 2023-04-21 10:40:48 2460055.945 - 2460055.945 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
338489 2023-04-21 10:40:48 2460055.945 18.31 ABMag g-ZTF P48_ZTF-Cam 30 ZTF
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
175456 2023-04-21 15:26:04 ZTF_Bot1 C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration et al. ZTF ZTF 15:58:13.048 +08:54:24.98 2023-04-21 09:24:28.800 18.78 r-ZTF PSN ZTF23aagunkc ZTF N
175422 2023-04-21 10:14:07 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 15:58:13.055 +08:54:24.87 2023-04-20 05:42:45.792 17.985 cyan-ATLAS PSN ATLAS23ipv ATLAS 2023TNSTR.866....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
14774 2023-04-24 22:19:26 Kyle Davis Kyle Davis (UCSC), Kirsty Taggart (UCSC), Maria Jose Bustamante-Rosell (UCSC), Ryan Foley (UCSC) UCSC Other 1 UCSC The spectrum shows a blue, featureless continuum, consistent with a fast blue optical transient or cataclysmic variable. We see no obvious emission lines in the spectrum. See AstroNote#2023-99. 2023TNSCR.905....1D
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
14848 2023-04-23 11:32:00 Lick-3m / KAST 2400 Kyle Davis (UCSC) Kyle Davis (UCSC) UCSC tns_2023ghq_2023-04-23_11-32-00_Lick-3m_KAST_UCSC.flm Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 175456 of Group ZTF
Previous RA, DEC: 15:58:13.055, +08:54:24.87 (239.554394167, +8.90690833333)
Updated RA, DEC: 15:58:13.048, +08:54:24.98 (239.5543649, 8.9069399)