2026nl | Transient Name Server

RA/DEC (2000)

02:50:07.720 -16:37:02.30

42.532167 -16.617306

Type

Redshift

Discovery Report Classification Report

Reporting Group

XOSS

Discovering Data Source

XOSS

Discovery Date

2026-01-06 15:14:36.960

TNS AT

Public

Discovery Mag

14.53

Filter

Clear-

Reporter/s

Jianlin Xu, Ziyang Mai, Mi Zhang, Guoyou Sun, Jiangao Ruan, Jingyuan Zhao, Wenjie Zhou, Yong Ma, Ye, Zhuoyang Chen (Xingming Obs.), Hanjie Tan (AUUK), Guangwei Wu (NAAA), Xing Gao, Ali Esamdin, Chunhai Bai, Yong Wang (XAO), on behalf of the KATS team

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

Other_Other_Clear

Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)

Spectra

Select	ID	Obs-date (UT)	Tel / Inst	Exp-Time	Observer/s	Reducer/s	Group	Spectrum ascii file	Spectrum fits file	Spec. Type	Remarks
	22751	2026-01-11 18:44:00	BL41 / FOSC-E5535	4800	Claudio Balcon	Claudio Balcon	None	tns_2026nl_2026-01-11_18-44-00_BL41_FOSC-E5535_None.dat	tns_2026nl_2026-01-11_18-44-00_BL41_FOSC-E5535_None.fit	Object
Binning factor: (rounded to nearest integer >1) Mouse hovers at WL: 0 (rest), ▌Show H at z=v_exp= km/s ▌Show He at z=v_exp= km/s ▌Show He II at z=v_exp= km/s ▌Show C II at z=v_exp= km/s ▌Show C III at z=v_exp= km/s ▌Show C IV at z=v_exp= km/s ▌Show N II at z=v_exp= km/s ▌Show N III at z=v_exp= km/s ▌Show N IV at z=v_exp= km/s ▌Show N V at z=v_exp= km/s ▌Show O at z=v_exp= km/s ▌Show [O I] at z=v_exp= km/s ▌Show O II at z=v_exp= km/s ▌Show [O II] at z=v_exp= km/s ▌Show [O III] at z=v_exp= km/s ▌Show O V at z=v_exp= km/s ▌Show O VI at z=v_exp= km/s ▌Show Na at z=v_exp= km/s ▌Show Mg at z=v_exp= km/s ▌Show Mg II at z=v_exp= km/s ▌Show Si II at z=v_exp= km/s ▌Show S II at z=v_exp= km/s ▌Show Ca II at z=v_exp= km/s ▌Show [Ca II] at z=v_exp= km/s ▌Show Fe II at z=v_exp= km/s ▌Show Fe III at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Tellurics ▌Show Galaxy lines at z= ▌Show WR-WN at z=v_exp= km/s ▌Show WR-WC/O at z=v_exp= km/s Remarks
	22757	2026-01-11 14:40:18	Other / Other	7200	Xing Gao (Xingming Obs.)	Jingyuan Zhao (Xingming Obs.)	XOSS	tns_2026nl_2026-01-11_14-40-18_Other_Other_XOSS.DAT	tns_2026nl_2026-01-11_14-40-18_Other_Other_XOSS.fit	Object	We obtained a spectrum of the transient using the Alpy 600 spectrograph mounted on the 0.6-m f/12 Ritchey-Chretien telescope at Xingming Observatory.
Binning factor: (rounded to nearest integer >1) Mouse hovers at WL: 0 (rest), ▌Show H at z=v_exp= km/s ▌Show He at z=v_exp= km/s ▌Show He II at z=v_exp= km/s ▌Show C II at z=v_exp= km/s ▌Show C III at z=v_exp= km/s ▌Show C IV at z=v_exp= km/s ▌Show N II at z=v_exp= km/s ▌Show N III at z=v_exp= km/s ▌Show N IV at z=v_exp= km/s ▌Show N V at z=v_exp= km/s ▌Show O at z=v_exp= km/s ▌Show [O I] at z=v_exp= km/s ▌Show O II at z=v_exp= km/s ▌Show [O II] at z=v_exp= km/s ▌Show [O III] at z=v_exp= km/s ▌Show O V at z=v_exp= km/s ▌Show O VI at z=v_exp= km/s ▌Show Na at z=v_exp= km/s ▌Show Mg at z=v_exp= km/s ▌Show Mg II at z=v_exp= km/s ▌Show Si II at z=v_exp= km/s ▌Show S II at z=v_exp= km/s ▌Show Ca II at z=v_exp= km/s ▌Show [Ca II] at z=v_exp= km/s ▌Show Fe II at z=v_exp= km/s ▌Show Fe III at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Tellurics ▌Show Galaxy lines at z= ▌Show WR-WN at z=v_exp= km/s ▌Show WR-WC/O at z=v_exp= km/s Remarks We obtained a spectrum of the transient using the Alpy 600 spectrograph mounted on the 0.6-m f/12 Ritchey-Chretien telescope at Xingming Observatory.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

Clear-

Other_Other

2026-01-06 15:14:37 - 2026-01-06 15:14:37

2461047.13515 - 2461047.13515

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
548359	2026-01-06 15:14:37	2461047.13515	14.53		19.5	VegaMag	Clear-	Other_Other	60	Xing Gao

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
286426	2026-01-11 04:00:22	XOSS_Bot0	Jianlin Xu, Ziyang Mai, Mi Zhang et al.	XOSS	XOSS	02:50:07.720	-16:37:02.30	2026-01-06 15:14:36.960	14.53	Clear-		Other		KATS26A003	XOSS		Cataclysmic variable candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/kats26a003.html	2026TNSTR.110....1X	N

Classification Reports

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

22756

2026-01-12 15:25:30

Jingyuan Zhao

Jingyuan Zhao, Xing Gao (Xingming Obs.)

XOSS

Our spectrum shows a blue continuum with Hα emission line. The spectral characteristics suggest AT 2026nl is a dwarf nova.

2026TNSCR.132....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
22757	2026-01-11 14:40:18	Other / Other	7200	Xing Gao (Xingming Obs.)	Jingyuan Zhao (Xingming Obs.)	XOSS	tns_2026nl_2026-01-11_14-40-18_Other_Other_XOSS.DAT	tns_2026nl_2026-01-11_14-40-18_Other_Other_XOSS.fit	Object			We obtained a spectrum of the transient using the Alpy 600 spectrograph mounted on the 0.6-m f/12 Ritchey-Chretien telescope at Xingming Observatory.

22750

2026-01-11 21:59:57

Claudio Balcon

Claudio Balcon (Belluno A.O. ISSP)

None

The low S/N spectrum resembles that of a dwarf nova.

2026TNSCR.114....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
22751	2026-01-11 18:44:00	BL41 / FOSC-E5535	4800	Claudio Balcon	Claudio Balcon	None	tns_2026nl_2026-01-11_18-44-00_BL41_FOSC-E5535_None.dat	tns_2026nl_2026-01-11_18-44-00_BL41_FOSC-E5535_None.fit	Object

AT 2026nl

Spectra

Light curves

Comments