RA/DEC (2000)
00:42:17.348 +41:08:55.62
10.5722826 +41.148783
Type
Nova
Redshift
0
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-06-17 03:35:41.856
TNS AT
Y
Public
Y
Discovery Mag
16.92
Filter
L-GOTO
Reporter/s
D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration

Spectra

 AT_2025nsa - 2025-06-19 00:23:00 BL41 / FOSC-E5535 (None)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),

Light curves

 GOTO-N_GOTO-2_L
 GOTO-N_GOTO-1_L
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 ATLAS-MLO_ATLAS-01_orange
 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
21356 2025-06-19 00:23:00 BL41 / FOSC-E5535 3600 Claudio Balcon Claudio Balcon None tns_2025nsa_2025-06-19_00-23-00_BL41_FOSC-E5535_None.dat tns_2025nsa_2025-06-19_00-23-00_BL41_FOSC-E5535_None.fit Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-06-15 04:23:54 - 2025-06-15 04:23:54 2460841.683255 - 2460841.683255 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
495645 2025-06-15 04:23:54 2460841.683255 18.5 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-06-17 03:35:42 - 2025-06-17 03:35:42 2460843.649789 - 2460843.649789 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
495646 2025-06-17 03:35:42 2460843.649789 16.92 0.07 ABMag L-GOTO GOTO-N_GOTO-1 180
r-ZTF P48_ZTF-Cam 2025-06-24 10:39:24 - 2025-06-27 09:28:39 2460850.9440278 - 2460853.8948958 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507002 2025-06-27 09:28:39 2460853.8948958 18.191 0.079061 ABMag r-ZTF P48_ZTF-Cam
507001 2025-06-24 10:39:24 2460850.9440278 20.3152 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-08-01 09:56:36 - 2025-08-01 09:56:36 2460888.9143056 - 2460888.9143056 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507003 2025-08-01 09:56:36 2460888.9143056 19.9182 0.0966708 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-06-15 14:20:56 - 2025-06-15 14:20:56 2460842.09787 - 2460842.09787 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
496024 2025-06-15 14:20:56 2460842.09787 19.14 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-06-17 13:08:26 - 2025-06-17 13:08:26 2460844.04752 - 2460844.04752 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
496025 2025-06-17 13:08:26 2460844.04752 16.403 0.046 18.79 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 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
264771 2025-08-02 17:29:52 Fritz Daniel Perley (LJMU), Christoffer Fremling (Caltech), Theophile du Laz (Caltech) on behalf of ZTF ZTF ZTF 00:42:17.348 +41:08:55.62 2025-06-27 09:28:38.997 18.191 r-ZTF PSN ZTF25aaxypre ZTF N
258988 2025-06-17 21:18:10 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 00:42:17.341 +41:08:55.23 2025-06-17 13:08:25.728 16.403 orange-ATLAS PSN ATLAS25gfa ATLAS N
258800 2025-06-17 06:47:52 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 00:42:17.315 +41:08:55.35 2025-06-17 03:35:41.856 16.92 L-GOTO PNV GOTO25dpb GOTO 2025TNSTR2257....1O N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21356 2025-06-19 01:03:35 Claudio Balcon Claudio Balcon (Belluno A.O. ISSP) None Nova 0 1 The spectrum shows strong Balmer lines and Fe ll “forest” emission, features compatible with a Nova Fell type in M31 2025TNSCR2303....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
21356 2025-06-19 00:23:00 BL41 / FOSC-E5535 3600 Claudio Balcon Claudio Balcon None tns_2025nsa_2025-06-19_00-23-00_BL41_FOSC-E5535_None.dat tns_2025nsa_2025-06-19_00-23-00_BL41_FOSC-E5535_None.fit Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 264771 of Group ZTF
Previous RA, DEC: 00:42:17.341, +41:08:55.23 (10.5722545455, +41.1486763636)
Updated RA, DEC: 00:42:17.348, +41:08:55.62 (10.5722826, +41.148783)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 258988 of Group ATLAS
Previous RA, DEC: 00:42:17.315, +41:08:55.35 (10.572145, +41.148709)
Updated RA, DEC: 00:42:17.341, +41:08:55.23 (10.5722545455, +41.1486763636)