2026dfa results

2026dfa results

Information

Transient

Name:	`SN2026dfa`
Right ascension:	`8h25m51.05s`
Declination:	`6d38m12.42s`
Discovery Date:	`Feb. 14, 2026, 5:20 a.m.`
Classification:	`SN II`
Redshift:	`0.044965`
MW E(B-V):	`0.022`

Host

Name:	`SDSSJ082550.89+06381`
Right ascension:	`8h25m50.88s`
Declination:	`6d38m12.16s`
Redshift:	`None`
Photometric Redshift:	`0.045`

Cutout Download Report

Downloaded	Unavailable
2MASS_H 2MASS_J 2MASS_K WISE_W1 WISE_W2 WISE_W3 WISE_W4 GALEX_NUV GALEX_FUV PanSTARRS_g PanSTARRS_r PanSTARRS_i PanSTARRS_z PanSTARRS_y SDSS_i SDSS_r SDSS_u SDSS_z SDSS_g DES_g DES_r DES_z	DES_i DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	18.41
Transient MWEBV	processed	0.04
Host match	processed	4.55
Host information	processed	0.1
Host MWEBV	processed	0.04
Global aperture construction	processed	0.64
Global aperture photometry	processed	5.09
Validate global photometry	processed	16.65
Global host SED inference	processed	791.36
Local aperture photometry	processed	5.33
Validate local photometry	processed	0.02
Local host SED inference	processed	419.75

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	8h25m51.05s, 6d38m12.42s
semi major axis, semi minor axis (arcsec):	2.26, 2.26
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	28.31	2.25	20.270	0.086	AB
SDSS_g	58.35	2.08	19.485	0.039	AB
DES_g	56.65	0.35	19.517	0.007	AB
PanSTARRS_g	53.61	0.54	19.577	0.011	AB
SDSS_r	77.54	2.56	19.176	0.036	AB
PanSTARRS_r	73.53	0.52	19.234	0.008	AB
DES_r	86.5	0.63	19.057	0.008	AB
SDSS_i	96.12	3.27	18.943	0.037	AB
PanSTARRS_i	85.04	0.77	19.076	0.010	AB
PanSTARRS_z	92.77	1.56	18.981	0.018	AB
SDSS_z	106.67	9.37	18.830	0.095	AB
DES_z	111.88	1.33	18.778	0.013	AB
PanSTARRS_y	98.44	3.23	18.917	0.036	AB

Aperture details

RA, DEC (J2000):	8h25m50.86s, 6d38m12.23s
semi major axis, semi minor axis (arcsec):	8.24, 7.34
angle (degrees, anti-clockwise from east):	-99.73

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	41.27	1.65	19.861	0.044	AB
GALEX_NUV	46.65	1.13	19.728	0.026	AB
SDSS_u	135.93	6.98	18.567	0.056	AB
DES_g	260.26	0.84	17.861	0.004	AB
PanSTARRS_g	257.52	1.8	17.873	0.008	AB
SDSS_r	350.97	6.35	17.537	0.020	AB
PanSTARRS_r	376.18	1.73	17.462	0.005	AB
DES_r	402.81	1.47	17.387	0.004	AB
SDSS_i	489.23	9.19	17.176	0.020	AB
PanSTARRS_z	507.66	5.27	17.136	0.011	AB
DES_z	562.1	3.28	17.025	0.006	AB
PanSTARRS_y	517.99	11.03	17.114	0.023	AB
2MASS_J	643.6	220.45	15.984	0.372	Vega
2MASS_H	1235.04	324.97	14.803	0.286	Vega
2MASS_K	823.86	414.15	14.773	0.546	Vega
WISE_W1	259.92	20.74	15.164	0.087	Vega
WISE_W2	172.86	29.21	14.967	0.183	Vega
WISE_W3	135.58	136.92	13.395	1.096	Vega
WISE_W4	708.27	706.37	10.154	1.083	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.446	8.647	8.834
{\rm log}_{10}({\rm SFR})	-1.181	-0.742	-0.298
{\rm log}_{10}({\rm sSFR})	-9.947	-9.403	-8.833
{\rm stellar\ age}	2.937	5.657	7.280

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.492	-0.753	-0.258
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.880	-1.638	-0.144

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.206	0.433	0.754
\delta	-0.699	-0.283	0.046
\tau_1/\tau_2	0.756	1.078	1.429
Q_{PAH}	0.747	2.298	4.677
U_{min}	3.147	8.154	15.145
{\rm log}_{10}(\gamma_e)\,	-3.209	-2.179	-0.822

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.474	-1.492	-0.549
{\rm log}_{10}(\tau_{AGN})\,	0.997	1.458	1.893

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.186	-0.892	-0.616
0.03-0.10 Gyr	-1.235	-0.693	-0.201
0.10-0.33 Gyr	-1.533	-0.977	-0.577
0.33-1.09 Gyr	-1.872	-1.218	-0.860
1.09-3.59 Gyr	-1.872	-1.300	-1.019
3.59-11.84 Gyr	-2.028	-1.351	-1.030
11.84-13.16 Gyr	-2.220	-1.369	-0.768
0.33-1.09 Gyr	-1.763	-1.199	-0.858
1.09-3.59 Gyr	-1.778	-1.259	-0.984
3.59-11.84 Gyr	-2.122	-1.402	-1.074
11.84-13.15 Gyr	-2.283	-1.432	-0.860

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.550	9.642	9.775
{\rm log}_{10}({\rm SFR})	-0.283	0.043	0.393
{\rm log}_{10}({\rm sSFR})	-9.940	-9.585	-9.251
{\rm stellar\ age}	7.425	8.506	11.989

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.759	-1.399	-0.957
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.988	0.293	0.452

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.131	0.235	0.384
\delta	-0.779	-0.469	-0.127
\tau_1/\tau_2	0.470	0.927	1.394
Q_{PAH}	0.499	1.912	3.826
U_{min}	2.524	7.897	15.296
{\rm log}_{10}(\gamma_e)\,	-3.275	-2.184	-1.039

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.891	-2.448	-1.691
{\rm log}_{10}(\tau_{AGN})\,	1.060	1.478	1.849

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.002	-0.975	-0.598
0.03-0.10 Gyr	-0.137	0.188	0.548
0.10-0.33 Gyr	-3.579	-1.726	-0.633
0.33-1.09 Gyr	-4.532	-1.553	-0.800
1.09-3.59 Gyr	-3.527	-1.273	-0.594
3.59-11.84 Gyr	-1.418	-0.376	-0.162
11.84-13.16 Gyr	-0.679	0.114	0.838
0.33-1.09 Gyr	-4.740	-1.602	-0.852
1.09-3.59 Gyr	-3.780	-1.375	-0.662
3.59-11.84 Gyr	-1.564	-0.323	-0.130
11.84-13.15 Gyr	-0.639	0.133	0.872