RA/DEC (2000)
00:42:27.490 +41:11:08.20
10.614542 +41.185611
Type
Nova
Redshift
Discovery ReportClassification Report
Related AstroNotes: 2024-31
Reporting Group
XOSS
Discovering Data Source
XOSS
Discovery Date
2023-12-03 12:21:16.992
TNS AT
Y
Public
Y
Host Name
M31
Discovery Mag
16.22
Filter
Clear-
Reporter/s
Mi Zhang, Jianlin Xu, Yuqing Ren, Lanhe Ding, Jiashuo Zhang, Xiaochang Yan, Wenjie Zhou, Jingyuan Zhao, Guoyou Sun, Jiangao Ruan, Xing Gao and the PSP team
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌AT_2023yqt - 2023-12-05 15:23:47 Other / Other (XOSS)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),

Light curves

 ▌Gaia_Gaia-photometric_G
 ▌Other_Other_L
 ▌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
16215 2023-12-05 15:23:47 Other / Other 14400 Xing Gao (Xingming Obs.) Jingyuan Zhao (Xingming Obs.) XOSS tns_2023yqt_2023-12-05_15-23-47_Other_Other_XOSS.DAT Object On 2023-12-05.64152 (this is the exposure start time) we obtained a spectrum of the transient using the Alpy 600 spectrograph mounted on the 0.6-m f/8 Ritchey-Chretien telescope at Xingming Observatory. The spectrograph provides a wavelength coverage of 3800-7400 A.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
G-Gaia Gaia_Gaia-photometric 2023-08-30 05:09:36 - 2023-12-04 00:04:19 2460186.715 - 2460282.503 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
377267 2023-12-04 00:04:19 2460282.503 16.42 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
377266 2023-08-30 05:09:36 2460186.715 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
L- Other_Other 2023-12-01 12:46:48 - 2023-12-04 12:21:59 2460280.0325 - 2460283.0152639 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
376709 2023-12-04 12:21:59 2460283.0152639 16.717 18.5 ABMag L- Other_Other 300 Yuqing Ren, JIashuo Zhang, Yaguang Wan The image was taken by Takahashi Epsilon-16FORW +QHY600m. The single exposure time was 300 seconds, and the L-filter was used to shoot at an altitude of 3890.0m, latitude and longitude of 29.00 degrees north, and longitude of 100.13 degrees east.
376708 2023-12-01 12:46:48 2460280.0325 19 ABMag L- Other_Other 300 Yuqing Ren, Xing Gao [Last non detection] Image taken by Xing Gao at Xingming Observatory “#”2 (N89) around 2023 Dec. 01.53250 UT using a unfiltered CCD (+0.5m f/4 reflector).
Clear- Other_Other 2016-12-21 17:49:33 - 2023-12-03 16:49:07 2457744.24274 - 2460282.20077 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
377007 2023-12-03 16:49:07 2460282.20077 15.6 17.8 VegaMag Clear- Other_Other 180 Robot MASTER-Kislovodsk
377006 2023-12-03 16:45:46 2460282.19845 14.8 18.2 VegaMag Clear- Other_Other 180 Robot MASTER-Kislovodsk
376628 2023-12-03 12:21:17 2460282.01478 16.22 0.14 19.5 VegaMag Clear- Other_Other 120 Xing Gao
377005 2016-12-21 17:49:33 2457744.24274 21.3 VegaMag Clear- Other_Other 540 Robot [Last non detection] MASTER-Kislovodsk
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
195240 2023-12-06 16:13:29 Gaia_Bot1 S.T. Hodgkin,E. Breedt,A. Delgado et al. GaiaAlerts GaiaAlerts 00:42:27.490 +41:11:08.20 2023-12-04 00:04:19.200 16.42 G-Gaia PSN Gaia23dmh GaiaAlerts Gaia independent discovery of bright M31 nova candidate N
195021 2023-12-05 18:00:32 MASTER Ya.Kechin,V. Lipunov,V.Kornilov et al. MASTER MASTER 00:42:27.560 +41:11:07.80 2023-12-03 16:45:46.080 14.8 Clear- PNV MASTER OT J004227.56+411107.8 MASTER LVC Inspect S231105n N
194849 2023-12-04 15:10:37 Yuqing Ren Yuqing Ren,Yaguang Wan,Jiashuo Zhang et al. STSP STSP 00:42:27.550 +41:11:08.60 2023-12-04 12:21:58.800 16.717 L- 1 PNV M31 STSP-01N STSP Follow-up observations, images taken by Takahashi Epsilon-16FORW +QHY600m. A single exposure of 300 seconds was taken with an L filter at 3890.0 metres above sea level, 29.00 degrees north latitude and 100.13 degrees east longitude.AT 2023yqt is clearly visible in the image N
Related files
File Comments Last Modified (UT) Modified By
tns_2023yqt_atrep_194849_STSP.jpg 2023-12-04 15:10:37 Yuqing Ren
194798 2023-12-03 12:39:30 Mi Zhang Mi Zhang,Jianlin Xu,Yuqing Ren et al. XOSS XOSS 00:42:27.550 +41:11:08.60 2023-12-03 12:21:16.992 16.22 Clear- PNV M31 PSP23Q XOSS Nova candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/psp23q.html 2023TNSTR3120....1Z N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
16129 2023-12-06 07:10:44 Jingyuan Zhao Jingyuan Zhao, Xing Gao (Xingming Obs.) XOSS Nova 1 XOSS Our low resolution spectrum shows strong broad Hα and Hβ emission line. Our results are consistent with nova. 2023TNSCR3147....1Z
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
16215 2023-12-05 15:23:47 Other / Other 14400 Xing Gao (Xingming Obs.) Jingyuan Zhao (Xingming Obs.) XOSS tns_2023yqt_2023-12-05_15-23-47_Other_Other_XOSS.DAT Object On 2023-12-05.64152 (this is the exposure start time) we obtained a spectrum of the transient using the Alpy 600 spectrograph mounted on the 0.6-m f/8 Ritchey-Chretien telescope at Xingming Observatory. The spectrograph provides a wavelength coverage of 3800-7400 A.

Comments

TNS
System

Wed, 12/06/2023 - 15:30

Object coordinates updated

Object coordinates updated according to AT-report 195240 of Group GaiaAlerts
Previous RA, DEC: 00:42:27.550, +41:11:08.60 (10.614792, +41.185722)
Updated RA, DEC: 00:42:27.490, +41:11:08.20 (10.614542, 41.185611)

Ismael
Perez-Fournon

Tue, 12/05/2023 - 22:46

LCOGT r'-band image of AT 2023yqt (ULL-ASTRO-MASTER-9)

Observation with the Las Cumbres Observatory 40 cm telescope 0m4-04, equipped with a QHY600 CMOS camera, at the Las Cumbres Observatory node at Haleakala Observatory on 2023-12-04 06:25:21 UT (180 sec exposure in the SDSS r' filter).

AT2023yqt_ULL-ASTRO-MASTER-9_LCOGT_Haleakala_40cm_r.png
Flavio
Castellani

Tue, 12/05/2023 - 13:31

PHOTOMETRY AT 2023yqt

2023-12-03.74068   Telescope 0.4-m f/8 reflector Osservatorio Monte Baldo Italy    Filter Clear  Magn.     16.110 

2023-12-05.17268   Telescpe  (T5)  0.25-m f/3.4 reflectorSiding Spring Australia     Filter B        Magn.      17.651 

2023-12-05.18194   Telescpe  (T5)  0.25-m f/3.4 reflectorSiding Spring Australia     Filter v         Magn.      17.147

2023-12-05.18919   Telescpe  (T5)  0.25-m f/3.4 reflectorSiding Spring Australia     Filter I         Magn.      15.773

 

 

Yuqing
Ren

Mon, 12/04/2023 - 15:26

Corrected data

ID:376708 correction, unit: VegaMag, Exp-time:120s