2026drg results

2026drg results

Information

Transient

Name:	`SN2026drg`
Right ascension:	`2h46m14.23s`
Declination:	`42d25m00.27s`
Discovery Date:	`Feb. 18, 2026, 5:49 a.m.`
Classification:	`SN Ia`
Redshift:	`0.038570`
MW E(B-V):	`0.094`

Host

Name:	`2198458`
Right ascension:	`2h46m13.32s`
Declination:	`42d25m04.89s`
Redshift:	`None`
Photometric Redshift:	`0.039`

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_i DES_z DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	16.92
Transient MWEBV	processed	0.06
Host match	processed	4.14
Host information	processed	0.11
Host MWEBV	processed	0.05
Global aperture construction	processed	0.6
Global aperture photometry	processed	5.03
Validate global photometry	processed	15.52
Global host SED inference	processed	440.53
Local aperture photometry	processed	5.13
Validate local photometry	processed	0.02
Local host SED inference	processed	427.94

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	2h46m14.23s, 42d25m00.27s
semi major axis, semi minor axis (arcsec):	2.62, 2.62
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	5.68	1.48	22.014	0.283	AB
SDSS_g	33.49	1.73	20.088	0.056	AB
PanSTARRS_g	32.98	0.69	20.105	0.023	AB
SDSS_r	66.48	2.39	19.343	0.039	AB
PanSTARRS_r	59.75	1.0	19.459	0.018	AB
SDSS_i	95.23	2.99	18.953	0.034	AB
PanSTARRS_i	94.71	0.85	18.959	0.010	AB
PanSTARRS_z	111.57	2.08	18.781	0.020	AB
SDSS_z	129.4	6.45	18.620	0.054	AB
PanSTARRS_y	141.58	4.94	18.523	0.038	AB

Aperture details

RA, DEC (J2000):	2h46m13.31s, 42d25m04.45s
semi major axis, semi minor axis (arcsec):	16.0, 10.32
angle (degrees, anti-clockwise from east):	-74.45

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	19.63	7.42	20.668	0.410	AB
GALEX_NUV	36.68	5.22	19.989	0.155	AB
SDSS_u	197.21	7.57	18.163	0.042	AB
SDSS_g	1140.94	9.79	16.257	0.009	AB
PanSTARRS_g	1252.77	3.43	16.155	0.003	AB
SDSS_r	2492.26	14.09	15.409	0.006	AB
SDSS_i	3702.98	17.64	14.979	0.005	AB
PanSTARRS_i	3692.52	4.3	14.982	0.001	AB
PanSTARRS_z	4721.49	10.31	14.715	0.002	AB
SDSS_z	4915.22	33.6	14.671	0.007	AB
PanSTARRS_y	5808.29	24.23	14.490	0.005	AB
2MASS_J	6376.33	330.85	13.494	0.056	Vega
2MASS_H	8056.98	526.49	12.767	0.071	Vega
2MASS_K	7100.27	519.54	12.434	0.079	Vega
WISE_W1	3502.97	46.86	12.340	0.015	Vega
WISE_W2	2002.24	45.03	12.307	0.024	Vega
WISE_W3	2353.32	148.18	10.297	0.068	Vega
WISE_W4	942.09	667.58	9.845	0.769	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.802	8.980	9.135
{\rm log}_{10}({\rm SFR})	-1.868	-1.238	-0.549
{\rm log}_{10}({\rm sSFR})	-10.896	-10.212	-9.536
{\rm stellar\ age}	4.228	7.048	8.971

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.681	-1.088	-0.482
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.350	-0.347	0.227

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.516	1.077	1.443
\delta	-0.417	-0.100	0.162
\tau_1/\tau_2	0.588	0.948	1.302
Q_{PAH}	0.665	2.414	5.350
U_{min}	2.988	7.983	14.929
{\rm log}_{10}(\gamma_e)\,	-3.365	-2.297	-1.060

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.185	-1.348	-0.326
{\rm log}_{10}(\tau_{AGN})\,	0.898	1.315	1.805

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.329	-1.563	-1.023
0.03-0.10 Gyr	-1.982	-1.213	-0.424
0.10-0.33 Gyr	-2.149	-1.182	-0.580
0.33-1.09 Gyr	-1.993	-1.170	-0.710
1.09-3.61 Gyr	-1.810	-1.070	-0.750
3.61-11.91 Gyr	-1.507	-0.946	-0.728
11.91-13.24 Gyr	-1.628	-0.913	-0.280
0.33-1.09 Gyr	-2.449	-1.267	-0.725
1.09-3.61 Gyr	-2.324	-1.146	-0.779
3.61-11.92 Gyr	-1.794	-0.982	-0.742
11.92-13.24 Gyr	-1.814	-0.919	-0.238

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.529	10.594	10.685
{\rm log}_{10}({\rm SFR})	-0.590	-0.054	0.382
{\rm log}_{10}({\rm sSFR})	-11.173	-10.656	-10.189
{\rm stellar\ age}	7.578	8.769	11.970

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.800	-0.613	-0.489
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.594	-0.764	0.020

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.298	0.415	0.565
\delta	-0.868	-0.673	-0.391
\tau_1/\tau_2	0.562	0.959	1.360
Q_{PAH}	0.163	0.514	1.065
U_{min}	2.614	7.281	13.835
{\rm log}_{10}(\gamma_e)\,	-3.519	-2.901	-2.183

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.520	-3.750	-2.854
{\rm log}_{10}(\tau_{AGN})\,	1.075	1.560	1.935

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.410	-0.346	0.032
0.03-0.10 Gyr	-0.784	-0.014	0.507
0.10-0.33 Gyr	-1.016	-0.040	0.451
0.33-1.09 Gyr	-2.079	-0.425	0.211
1.09-3.61 Gyr	-1.701	-0.211	0.420
3.61-11.91 Gyr	-0.170	0.679	0.836
11.91-13.24 Gyr	0.293	1.047	1.771
0.33-1.09 Gyr	-1.838	-0.457	0.111
1.09-3.61 Gyr	-1.510	-0.277	0.331
3.61-11.92 Gyr	-0.202	0.677	0.823
11.92-13.24 Gyr	0.441	1.140	1.764