RA/DEC (2000)
18:31:15.618 -05:34:31.92
277.8150746 -5.5755336
Type
Nova
Redshift
0
Discovery ReportClassification Report
Reporting Group
DCAP
Discovering Data Source
ZTF
Discovery Date
2026-07-08 06:35:20.000
TNS AT
Y
Public
Y
Discovery Mag
15.06
Filter
r-ZTF
Reporter/s
Minrui Ning, Huixuan Lin (DCAP); Zwicky Transient Facility (ZTF)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌AT_2026stb - 2026-07-12 04:21:00 SOAR / Goodman (None)z=
 ▌AT_2026stb - 2026-07-12 00:40:00 BL41 / FOSC-E5535 (None)z=
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z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),

Light curves

 ▌GOTO-S_GOTO-4_L
 ▌GOTO-S_GOTO-3_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌Other_Other_I
 ▌Other_Other_R
   
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
24237 2026-07-12 04:21:00 SOAR / Goodman Jay Strader None tns_2026stb_2026-07-12_04-21-00_SOAR_Goodman_None.dat Object
24231 2026-07-12 00:40:00 BL41 / FOSC-E5535 1800 Claudio Balcon Claudio Balcon None tns_2026stb_2026-07-12_00-40-00_BL41_FOSC-E5535_None.dat tns_2026stb_2026-07-12_00-40-00_BL41_FOSC-E5535_None.fit Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2026-06-07 14:49:05 - 2026-06-07 14:49:05 2461199.117417 - 2461199.117417 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
607960 2026-06-07 14:49:05 2461199.117417 20.2 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2026-07-30 11:43:52 - 2026-07-30 11:43:52 2461251.988801 - 2461251.988801 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
607961 2026-07-30 11:43:52 2461251.988801 13.45 0.01 ABMag L-GOTO GOTO-S_GOTO-3 180
r-ZTF P48_ZTF-Cam 2026-07-08 06:35:20 - 2026-07-08 06:35:20 2461229.774537 - 2461229.774537 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
600469 2026-07-08 06:35:20 2461229.774537 15.06 0.02 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2026-07-08 08:57:53 - 2026-07-08 08:57:53 2461229.8735301 - 2461229.8735301 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
600470 2026-07-08 08:57:53 2461229.8735301 17.11 0.04 ABMag g-ZTF P48_ZTF-Cam
I-Cousins Other_Other 2026-07-09 03:47:22 - 2026-07-09 03:47:22 2461230.65789 - 2461230.65789 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
600474 2026-07-09 03:47:22 2461230.65789 14.8694 0.0589 VegaMag I-Cousins Other_Other 128 0.3-m telescope + QHY268M CMOS camera located at TTU Skyview Observatory
R-Cousins Other_Other 2026-07-09 03:49:38 - 2026-07-09 03:49:38 2461230.65947 - 2461230.65947 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
600475 2026-07-09 03:49:38 2461230.65947 15.5616 0.085 VegaMag R-Cousins Other_Other 128 0.3-m telescope + QHY268M CMOS camera located at TTU Skyview Observatory
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
317412 2026-07-30 17:09:41 GOTO_bot B. Godson, G. Ramsay, K. Ackley et al. GOTO GOTO 18:31:15.629 -05:34:31.55 2026-07-30 11:43:52.320 13.45 L-GOTO Other GOTO26hlw GOTO N
313531 2026-07-09 07:21:02 Kirill Sokolovsky Kirill Sokolovsky 18:31:15.640 -05:34:31.60 2026-07-09 03:47:21.696 14.8694 I-Cousins PNV Confirmation observations of DCAP269 = ZTF26abfokua with 0.3-m telescope + QHY268M CMOS camera located at TTU Skyview Observatory N
313528 2026-07-09 05:04:43 Minrui Ning Minrui Ning, Huixuan Lin (DCAP); Zwicky Transient Facility (ZTF) DCAP ZTF 18:31:15.618 -05:34:31.92 2026-07-08 06:35:20.000 15.06 r-ZTF 1 Other ZTF26abfokua ZTF We report a CV candidate that appears red; possible nova candidate. (DCAP269=ZTF26abfokua) https://dcap-minruining.github.io/DCAP/ zr=15.06mag, zg=17.11mag, zg-zr=2.05mag Image taken with Takahashi 180mm, Luminance 120s. 2026TNSTR2854....1N N
Related files
File Comments Last Modified (UT) Modified By
tns_2026stb_atrep_313528_DCAP.png Image taken with Takahashi 180mm, Luminance 120s.(DCAP) 2026-07-09 05:04:44 Minrui Ning
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
24231 2026-07-12 14:59:53 Jay Strader Jay Strader None Nova 1
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
24237 2026-07-12 04:21:00 SOAR / Goodman Jay Strader None tns_2026stb_2026-07-12_04-21-00_SOAR_Goodman_None.dat Object
24225 2026-07-12 01:37:53 Claudio Balcon Claudio Balcon (Belluno A.O. ISSP) None Nova 0 1 Optical spectrum of AT2026stb shows a highly reddened continuum dominated by a very strong, prominent H-alpha emission line, consistent with a Galactic Nova.
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
24231 2026-07-12 00:40:00 BL41 / FOSC-E5535 1800 Claudio Balcon Claudio Balcon None tns_2026stb_2026-07-12_00-40-00_BL41_FOSC-E5535_None.dat tns_2026stb_2026-07-12_00-40-00_BL41_FOSC-E5535_None.fit Object

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