RA/DEC (2000)
00:40:45.586 +41:45:20.01
10.1899424 +41.7555592
Type
Nova
Redshift
Discovery ReportClassification Report
Reporting Group
XOSS
Discovering Data Source
XOSS
Discovery Date
2021-09-13 17:45:53.280
TNS AT
Y
Public
Y
Discovery Mag
17.7
Filter
Clear-
Reporter/s
Jianlin Xu, Wenjie Zhou, Hanjie Tan, Xing Gao (Xingming Observatory)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌AT_2021yul - 2021-09-15 13:28:14 UH88 / SNIFS (SCAT)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
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_cyan
 ▌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
10896 2021-09-15 13:28:14 UH88 / SNIFS 1800 Hinkle SCAT tns_2021yul_2021-09-15_13-28-14_UH88_SNIFS_SCAT.dat Object Reduced with a summit-based quick-reduction pipeline.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-ZTF P48_ZTF-Cam 2021-09-11 10:27:50 - 2021-09-15 09:44:38 2459468.936 - 2459472.906 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
242252 2021-09-15 09:44:38 2459472.906 16.63 ABMag g-ZTF P48_ZTF-Cam 30 ZTF
242251 2021-09-13 08:58:34 2459470.874 18.47 ABMag g-ZTF P48_ZTF-Cam 30 ZTF
242250 2021-09-11 10:27:50 2459468.936 20.87 ABMag g-ZTF P48_ZTF-Cam 30 ZTF [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2021-09-13 09:23:02 - 2021-09-13 09:23:02 2459470.891 - 2459470.891 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
241898 2021-09-13 09:23:02 2459470.891 18.717 0.123 19.43 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
cyan-ATLAS ATLAS-HKO_ATLAS-02 2021-09-11 10:29:17 - 2021-09-11 10:29:17 2459468.937 - 2459468.937 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
241897 2021-09-11 10:29:17 2459468.937 19.74 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
Clear- Other_Other 2016-12-21 17:49:33 - 2021-11-30 14:41:06 2457744.24274 - 2459549.11187 6
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
256736 2021-11-30 14:41:06 2459549.11187 20.8 21.5 VegaMag Clear- Other_Other 300 Xing Gao
241835 2021-09-14 01:14:31 2459471.55175 17.5 19.5 VegaMag Clear- Other_Other 180 Robot MASTER-Kislovodsk
241834 2021-09-14 00:37:42 2459471.52618 17.9 19.6 VegaMag Clear- Other_Other 180 Robot MASTER-Kislovodsk
241689 2021-09-13 17:45:53 2459471.2402 17.7 ABMag Clear- Other_Other 40 Xing Gao The transient was discovered on several 40-s survey images (limiting mag about 18.0) taken by Xing Gao using C14 at Xingming Observatory #3 (N88). Images can be found at: http://xjltp.china-vo.org/psp21j.html
241688 2021-09-11 17:47:59 2459469.24166 18 ABMag Clear- Other_Other 40 Xing Gao [Last non detection] Nothing is visible at this position on archival images taken on Sep. 11.74166 (limiting mag 18.0) . Images can be found at: http://xjltp.china-vo.org/psp21j.html
241833 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
130723 2021-11-30 15:20:56 Mi Zhang Mi Zhang, Xing Gao (Xingming Observatory) XOSS XOSS 00:40:45.580 +41:45:20.00 2021-11-30 14:41:05.568 20.8 Clear- PNV PSP21J XOSS N
123639 2021-09-16 00:10:05 ZTF_Bot1 C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration ZTF ZTF 00:40:45.586 +41:45:20.01 2021-09-13 08:58:33.600 18.47 g-ZTF PSN ZTF21acbutpl ZTF N
123419 2021-09-14 17:01:41 ATLAS_Bot1 J. Tonry, L. Denneau, A. Heinze et al. ATLAS ATLAS 00:40:45.601 +41:45:20.18 2021-09-13 09:23:02.400 18.717 orange-ATLAS PSN ATLAS21biss ATLAS N
123392 2021-09-14 06:28:08 MASTER A.Pozdnyakov, V. Lipunov, E. Gorbovskoy et al. MASTER MASTER 00:40:45.580 +41:45:19.90 2021-09-14 00:37:41.952 17.9 Clear- PSN MASTER OT J004045.58+414519.9 MASTER N
123332 2021-09-13 19:25:20 Hanjie Tan Jianlin Xu, Wenjie Zhou, Hanjie Tan et al. XOSS XOSS 00:40:45.580 +41:45:20.20 2021-09-13 17:45:53.280 17.7 Clear- PSN PSP21J XOSS Jianlin Xu, Wenjie Zhou, Hanjie Tan, Xing Gao (Xingming Observatory), report the discovery of a possible nova (mag approximately 17.7 on several 40-s survey image (limiting mag about 18.0) taken by Xing Gao at Xingming Observatory #3 (N88) around Sep. 13.74020 UTC using a unfiltered CCD (+Celestron C14 SchmidtCassegrain telescope D=356mm @f/6.9). Nothing is visible at this position on archival images taken on Sep. 11.74166 (limiting mag 18.0) . Images can be found at: http://xjltp.china-vo.org/psp21j.html 2021TNSTR3166....1X N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
10842 2021-09-15 14:15:08 Jason Hinkle Jason Hinkle on behalf of SCAT SCAT Nova 1 SCAT Strong emission lines of H, He I, and Fe II consistent with a nova. 2021TNSCR3200....1H
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
10896 2021-09-15 13:28:14 UH88 / SNIFS 1800 Hinkle SCAT tns_2021yul_2021-09-15_13-28-14_UH88_SNIFS_SCAT.dat Object Reduced with a summit-based quick-reduction pipeline.

Comments

Dave
Balam

Mon, 01/24/2022 - 21:43

photometry of at2021yul

at2021yul was detected on an image stack, obtained with the RAO (Univsersity of Calgary) 0.76-m Baker-Nunn Schmidt on UT 2021 Sept. 17.29 (exposure 600 sec) and measured as G(Gaia) = 17.44 +/- 0.07

TNS
System

Wed, 09/15/2021 - 23:30

Object coordinates updated

Object coordinates updated according to AT-report 123639 of Group ZTF
Previous RA, DEC: 00:40:45.601, +41:45:20.18 (10.1900022222, +41.7556066667)
Updated RA, DEC: 00:40:45.586, +41:45:20.01 (10.1899424, 41.7555592)

TNS
System

Tue, 09/14/2021 - 16:30

Object coordinates updated

Object coordinates updated according to AT-report 123419 of Group ATLAS
Previous RA, DEC: 00:40:45.580, +41:45:20.20 (10.189917, +41.755611)
Updated RA, DEC: 00:40:45.601, +41:45:20.18 (10.1900022222, 41.7556066667)