2025aard

Download data

Information

Transient

Name: SN2025aard
Right ascension: 20h52m10.32s
Declination: -48d46m48.48s
Discovery Date: Oct. 17, 2025, 1:23 a.m.
Classification: SN Ib
Redshift: 0.017500
MW E(B-V): 0.035

Host

Name: 20520946-4846398
Right ascension: 20h52m09.46s
Declination: -48d46m39.81s
Redshift: 0.016843
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	5.48
Transient MWEBV	processed	0.1
Host match	processed	4.37
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	0.73
Global aperture photometry	processed	2.73
Validate global photometry	processed	7.63
Global host SED inference	processed	382.44
Local aperture photometry	processed	2.88
Validate local photometry	processed	0.02
Local host SED inference	processed	434.96

Cutout Download Report

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:

Aperture Photometry

Aperture details

RA, DEC (J2000) = 20h52m10.32s, -48d46m48.48s
semi major axis, semi minor axis (arcsec) = 5.84, 5.84
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	328.32	13.22	17.609	0.044	AB
GALEX_NUV	479.9	8.99	17.197	0.020	AB
DES_g	2276.56	2.4	15.507	0.001	AB
DES_r	3366.31	3.98	15.082	0.001	AB
DES_z	4387.0	8.29	14.795	0.002	AB
2MASS_J	6298.16	154.34	13.507	0.027	Vega
2MASS_H	6284.13	252.55	13.037	0.044	Vega
2MASS_K	5519.28	252.46	12.707	0.050	Vega

Aperture details

RA, DEC (J2000) = 20h52m09.59s, -48d46m41.34s
semi major axis, semi minor axis (arcsec) = 30.77, 21.44
angle (degrees, anti-clockwise from east) = 61.16

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	1959.71	32.32	15.670	0.018	AB
GALEX_NUV	3107.15	23.11	15.169	0.008	AB
DES_g	23736.18	9.65	12.961	0.000	AB
DES_r	41059.74	16.43	12.366	0.000	AB
DES_z	61514.89	31.15	11.928	0.001	AB
WISE_W1	50847.75	150.29	9.435	0.003	Vega
WISE_W3	200327.23	6233.31	5.472	0.034	Vega
WISE_W4	325885.19	13124.2	3.497	0.044	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

Click the image to load the interactive plot.

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.123	9.457	9.666
{\rm log}_{10}({\rm SFR})	-0.013	0.359	0.685
{\rm log}_{10}({\rm sSFR})	-9.575	-9.101	-8.537
{\rm stellar\ age}	2.086	5.347	7.381

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.676	-0.993	-0.383
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.777	-1.337	-0.003

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.560	0.808	1.031
\delta	-0.008	0.130	0.251
\tau_1/\tau_2	0.742	1.106	1.465
Q_{PAH}	0.870	2.355	3.841
U_{min}	2.541	7.999	15.414
{\rm log}_{10}(\gamma_e)\,	-3.388	-2.245	-1.457

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.440	-2.506	-0.594
{\rm log}_{10}(\tau_{AGN})\,	0.927	1.720	2.071

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.502	-0.055	0.226
0.03-0.10 Gyr	0.054	0.452	0.811
0.10-0.33 Gyr	-0.650	0.075	0.457
0.33-1.10 Gyr	-1.211	-0.450	-0.033
1.10-3.67 Gyr	-1.472	-0.580	-0.203
3.67-12.18 Gyr	-1.897	-0.698	-0.299
12.18-13.53 Gyr	-1.887	-0.667	-0.038

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.624	10.760	10.872
{\rm log}_{10}({\rm SFR})	0.804	1.144	1.474
{\rm log}_{10}({\rm sSFR})	-9.991	-9.631	-9.201
{\rm stellar\ age}	5.222	7.121	8.738

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.963	-0.558	-0.304
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.520	-1.053	0.066

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.423	0.694	0.921
\delta	-0.166	-0.009	0.117
\tau_1/\tau_2	0.564	0.914	1.291
Q_{PAH}	0.879	1.570	2.707
U_{min}	2.861	7.743	14.277
{\rm log}_{10}(\gamma_e)\,	-3.279	-2.385	-1.834

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.476	-3.252	-1.694
{\rm log}_{10}(\tau_{AGN})\,	1.019	1.465	1.915

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.341	0.799	1.079
0.03-0.10 Gyr	0.809	1.226	1.604
0.10-0.33 Gyr	0.031	0.856	1.289
0.33-1.10 Gyr	-0.139	0.584	0.983
1.10-3.67 Gyr	0.099	0.660	0.945
3.67-12.18 Gyr	0.355	0.789	0.993
12.18-13.53 Gyr	0.200	0.875	1.447