RA/DEC (2000)
00:42:59.966 +41:00:24.40
10.749858 +41.006778
Type
Nova
Redshift
0
Reporting Group
None
Discovering Data Source
None
Discovery Date
2024-08-24 23:54:42.000
TNS AT
Y
Public
Y
Host Name
M31
Discovery Mag
17.1
Filter
Clear-
Reporter/s
Flavio Castellani

Spectra

 AT_2024ssq - 2024-08-25 21:19:00 Other / Other (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

 P48_ZTF-Cam_g
 Other_Other_Clear
   
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
17826 2024-08-25 21:19:00 Other / Other 5400 Claudio Balcon Claudio Balcon None tns_2024ssq_2024-08-25_21-19-00_Other_Other.dat tns_2024ssq_2024-08-25_21-19-00_Other_Other.fit Object We obtained the low-resolution spectrum R~100 using the FOSC-E5535 spectrograph attached to a 0.41m telescope, in the course of Italian Supernovae Search Project.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-ZTF P48_ZTF-Cam 2024-08-22 09:50:22 - 2024-08-25 08:19:23 2460544.9099769 - 2460547.846794 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
427550 2024-08-25 08:19:23 2460547.846794 17.935 0.05 ABMag g-ZTF P48_ZTF-Cam 30 ZTFbot
427549 2024-08-22 09:50:22 2460544.9099769 19.758 ABMag g-ZTF P48_ZTF-Cam 30 ZTFbot [Last non detection]
Clear- Other_Other 2021-07-20 00:26:12 - 2024-08-25 00:05:15 2459415.5182 - 2460547.50365 5
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
427826 2024-08-25 00:05:15 2460547.50365 18.3 18.6 VegaMag Clear- Other_Other 180 Robot MASTER-Tavrida
427825 2024-08-24 23:54:59 2460547.49652 17.6 18.6 VegaMag Clear- Other_Other 180 Robot MASTER-Tavrida
427443 2024-08-24 23:54:42 2460547.4963194 17.1 0.2 19.3 ABMag Clear- Other_Other 0.4m f.8 Ritchey-Chrétien
427442 2024-08-18 22:18:49 2460541.4297338 19.5 ABMag Clear- Other_Other 4000 [Last non detection] 0.4m f.8 Ritchey-Chrétien
427824 2021-07-20 00:26:12 2459415.5182 21.2 VegaMag Clear- Other_Other 540 Robot [Last non detection] MASTER-Tavrida
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
222827 2024-08-27 10:34:28 MASTER Ya.Kechin, V. Lipunov, V.Kornilov et al. MASTER MASTER 00:42:59.950 +41:00:23.80 2024-08-24 23:54:59.328 17.6 Clear- PNV MASTER OT J004259.95+410023.8 MASTER N
222688 2024-08-25 16:52:35 Ismael Perez-Fournon I. Pérez-Fournon, F. Poidevin (IAC and ULL), C. Jaén-Martín (ULL) et al. SGLF ZTF 00:42:59.966 +41:00:24.40 2024-08-25 08:19:23.000 17.935 g-ZTF PSN M31 ZTF24abcuvdt SGLF ZTF detection of a bright nova candidate in M31 reported to TNS by Flavio Castellani (AT 2024ssq). The transient is located 944.23" S, 176.42" E (3.6 kpc) from the M31 galaxy centre. ZTF light curve available at the LSST/ZTF brokers, e.g.: https://lasair-ztf.lsst.ac.uk/objects/ZTF24abcuvdt/ https://alerce.online/object/ZTF24abcuvdt https://antares.noirlab.edu/loci/ANT2024w3my8j1tdtd0 N
222635 2024-08-25 10:57:09 Flavio Castellani Flavio Castellani 00:43:00.010 +41:00:24.30 2024-08-24 23:54:42.000 17.1 Clear- PNV M31 F. Castellani, Verona, Italy reports the discovery by Flavio Castellani, Vittorio Andreoli and Raffaele Belligoli, in the course of the ISSP Italian Supernovae Search Project, of an apparent nova on a co-added 6000sec unfiltered images taken with a Moravian G4-9000 KAF CCD unfiltered, from Monte Baldo Observatory (Ferrara di Monte Baldo, Verona, Italy), with the 0.4m f.8 Ritchey-Chrétien telescope, obtained on 2024/08/24.927 UT. The new object is located at RA 00 43 00.01 DEC +41 00 24.3 (equinox 2000.0) Apparent magnitude about 17.1 in host Galaxy M31 Nothing is visible at this position on 2024/08/17.9291 as reference. 2024TNSTR3074....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
17739 2024-08-25 22:26:58 Claudio Balcon Claudio Balcon (Belluno A.O. ISSP) None Nova 0 1 The strong and broad H-alpha line suggest a Nova in M31 2024TNSCR3085....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
17826 2024-08-25 21:19:00 Other / Other 5400 Claudio Balcon Claudio Balcon None tns_2024ssq_2024-08-25_21-19-00_Other_Other.dat tns_2024ssq_2024-08-25_21-19-00_Other_Other.fit Object We obtained the low-resolution spectrum R~100 using the FOSC-E5535 spectrograph attached to a 0.41m telescope, in the course of Italian Supernovae Search Project.

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 222688 of Group ZTF
Previous RA, DEC: 00:43:00.010, +41:00:24.30 (10.750042, +41.00675)
Updated RA, DEC: 00:42:59.966, +41:00:24.40 (10.749858, 41.006778)