RA/DEC (2000)
07:38:57.098 +18:26:48.43
114.737910087 +18.4467871914
Type
CV
Redshift
0
Reporting Group
Pan-STARRS
Discovering Data Source
Pan-STARRS
Discovery Date
2017-01-27 11:16:48.000
TNS AT
Y
Public
Y
Discovery Mag
17.93
Filter
w-P1
Reporter/s
K. C. Chambers, M. E. Huber, H. Flewelling, E. A. Magnier, N. Primak, A. Schultz, (IfA, University of Hawaii), S. J. Smartt, K. W. Smith, (Queen's University Belfast), J. Tonry, C. Waters, (IfA, University of Hawaii) D. E. Wright, D. R. Young (Queen's University Belfast)

Spectra

 AT_2017abr - 2025-05-19 00:00:00 NOT / ALFOSC (None)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-HKO_ATLAS-02_cyan
 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
21083 2025-05-19 00:00:00 NOT / ALFOSC 900 Roar Holmberg Rasmussen, Kostas Valeckas Panos Charalampopoulos None tns_2017abr_2025-05-19_NOT_ALFOSC_None.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-05-18 06:21:08 - 2025-05-19 05:55:54 2460813.76468 - 2460814.74715 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488977 2025-05-19 05:55:54 2460814.74715 17.759 0.094 18.33 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
488976 2025-05-18 06:21:08 2460813.76468 18.99 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
w-P1 PS1_GPC1 2017-01-27 11:16:48 - 2017-01-27 11:16:48 2457780.97 - 2457780.97 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
12622 2017-01-27 11:16:48 2457780.97 17.93 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
255409 2025-05-19 09:10:14 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 07:38:57.094 +18:26:48.62 2025-05-19 05:55:53.760 17.759 cyan-ATLAS PSN ATLAS17aqt ATLAS N
8499 2017-02-02 18:42:06 PS1_Bot1 K. C. Chambers, M. E. Huber, H. Flewelling et al. Pan-STARRS Pan-STARRS 07:38:57.098 +18:26:48.43 2017-01-27 11:16:48.000 17.93 w-P1 PSN PS17alg Pan-STARRS 2017TNSTR.141....1C N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21083 2025-05-21 11:24:40 Charlotte Angus Panos Charalampopoulos, Charlotte Angus None CV 0 1 Classification of AT2017abr / AT2025ksv as a CV. Spectrum taken with ALFOSC/NOT in gr4 on 19/05/2025. Spectrum shows rest frame balmer lines consistent with CV classification. 2025TNSCR1883....1C
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
21083 2025-05-19 00:00:00 NOT / ALFOSC 900 Roar Holmberg Rasmussen, Kostas Valeckas Panos Charalampopoulos None tns_2017abr_2025-05-19_NOT_ALFOSC_None.ascii Object

Comments

TNS
System

AT Report/s were associated with object

ATLAS AT report/s 255409 for 2025ksv were associated with object AT2017abr.
Object 2025ksv was removed from the system.

Darryl
Wright

Supernova Hunters Discovery.

This transient was discovered during the citizen science project Supernova Hunters run by the Zooniverse. The candidate was identified by volunteers including 'MerylPG', 'chrostek' and 'nilium'.