RA/DEC (2000)
18:15:15.430 -69:03:25.42
273.814292 -69.057061
Type
CV
Redshift
0
Related AstroNotes: 2025-156
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-05-17 04:41:36.384
TNS AT
Y
Public
Y
Discovery Mag
17.142
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)

Spectra

 AT_2025kyq - 2025-05-25 07:07:12 ESO-NTT / EFOSC2-NTT (ePESSTO+)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),

Light curves

 ATLAS-CHL_ATLAS-04_orange
 ATLAS-STH_ATLAS-03_orange
 BG4_BlackGEM-Cam4_BG-q
 Other_Other_Other
   
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
21136 2025-05-25 07:07:12 ESO-NTT / EFOSC2-NTT 600 Stefano Pio Cosentino, Callum Francis Aster Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee ePESSTO+ tns_2025kyq_2025-05-25_07-07-12_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025kyq_2025-05-25_07-07-12_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-05-17 04:41:36 - 2025-05-17 04:41:36 2460812.69556 - 2460812.69556 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489531 2025-05-17 04:41:36 2460812.69556 17.142 0.096 18.35 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2025-05-15 02:23:50 - 2025-05-15 02:23:50 2460810.59988 - 2460810.59988 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489530 2025-05-15 02:23:50 2460810.59988 18.52 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-05-12 09:44:23 - 2025-05-15 06:49:42 2460807.9058218 - 2460810.7845139 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
504373 2025-05-15 06:49:42 2460810.7845139 17.94 0.08 19.12 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
504372 2025-05-12 09:44:23 2460807.9058218 19.99 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic [Last non detection]
Other- Other_Other 2024-02-13 01:17:33 - 2025-05-24 03:29:45 2460353.55385 - 2460819.64566 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491099 2025-05-24 03:29:45 2460819.64566 17.7 18.5 VegaMag Other- Other_Other 60 Robot MASTER-SAAO
491098 2025-05-24 03:19:08 2460819.63829 17.9 18.6 VegaMag Other- Other_Other 60 Robot MASTER-SAAO
491097 2024-02-13 01:17:33 2460353.55385 19.7 VegaMag Other- Other_Other 180 Robot [Last non detection] MASTER-SAAO
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
263484 2025-07-23 14:02:03 BlackGEM_Bot1 J. A. Paice,H. Tranin,F. Stoppa et al. BlackGEM BlackGEM 18:15:15.430 -69:03:25.42 2025-05-15 06:49:42.000 17.94 BG-q-BlackGem PSN BGEM J181515.43-690325.4 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025kyq_atrep_263484_BlackGEM.pdf Finding Chart 2025-07-23 14:02:06 BlackGEM_Bot1
256523 2025-05-24 19:10:27 MASTER Ya.Kechin,V.Lipunov,E.Gorbovskoy et al. MASTER MASTER 18:15:15.410 -69:03:25.30 2025-05-24 03:19:08.256 17.9 Other- PSN MASTER OT J181515.41-690325.3 MASTER N
255683 2025-05-21 19:42:35 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 18:15:15.415 -69:03:25.30 2025-05-17 04:41:36.384 17.142 orange-ATLAS PSN ATLAS25fdz ATLAS 2025TNSTR1863....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
21136 2025-05-25 16:22:09 ePESSTOplus_Bot1 Stefano Pio Cosentino, Callum Francis Aster, Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, A. Horowicz on behalf of ePESSTO+ ePESSTO+ CV 0 1 ePESSTO+ 2025TNSCR1963....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
21136 2025-05-25 07:07:12 ESO-NTT / EFOSC2-NTT 600 Stefano Pio Cosentino, Callum Francis Aster Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee ePESSTO+ tns_2025kyq_2025-05-25_07-07-12_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025kyq_2025-05-25_07-07-12_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 263484 of Group BlackGEM
Previous RA, DEC: 18:15:15.415, -69:03:25.30 (273.814227143, -69.0570278571)
Updated RA, DEC: 18:15:15.430, -69:03:25.42 (273.814292, -69.057061)