2025afvn

Download data

Information

Transient

Name: AT2025afvn
Right ascension: 1h15m58.49s
Declination: -4d02m53.75s
Discovery Date: Nov. 24, 2025, 4:38 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.065

Host

Name:
Right ascension: 1h15m58.54s
Declination: -4d02m53.56s
Redshift: None
Photometric Redshift: 0.125

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	20.22
Transient MWEBV	processed	0.06
Host match	processed	6.39
Host information	processed	0.16
Host MWEBV	processed	0.04
Global aperture construction	processed	0.65
Global aperture photometry	processed	6.7
Validate global photometry	processed	18.65
Global host SED inference	processed	410.83
Local aperture photometry	processed	6.69
Validate local photometry	no valid phot	0.03
Local host SED inference	not processed	None

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) = 1h15m58.49s, -4d02m53.75s
semi major axis, semi minor axis (arcsec) = 0.9, 0.9
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys

Data not available

Aperture details

RA, DEC (J2000) = 1h15m58.52s, -4d02m53.35s
semi major axis, semi minor axis (arcsec) = 2.75, 2.34
angle (degrees, anti-clockwise from east) = -67.47

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	4.0	0.58	22.396	0.159	AB
GALEX_NUV	5.29	0.47	22.092	0.097	AB
SDSS_u	19.35	3.13	20.683	0.175	AB
SDSS_g	44.08	1.88	19.789	0.046	AB
DES_g	43.85	0.28	19.795	0.007	AB
PanSTARRS_g	45.65	0.7	19.751	0.017	AB
SDSS_r	65.23	2.43	19.364	0.040	AB
PanSTARRS_r	64.25	0.55	19.380	0.009	AB
DES_r	72.48	0.45	19.249	0.007	AB
SDSS_i	93.03	3.16	18.978	0.037	AB
PanSTARRS_i	87.9	0.68	19.040	0.008	AB
PanSTARRS_z	91.17	1.82	19.000	0.022	AB
SDSS_z	95.55	6.8	18.949	0.077	AB
DES_z	102.07	1.32	18.878	0.014	AB
PanSTARRS_y	84.05	4.72	19.089	0.061	AB
2MASS_J	140.27	76.93	17.638	0.595	Vega
2MASS_H	327.29	117.48	16.245	0.390	Vega
2MASS_K	-51.88	133.84			Vega
WISE_W1	76.61	7.55	16.490	0.107	Vega
WISE_W2	65.29	11.61	16.024	0.193	Vega
WISE_W3	256.99	62.4	12.701	0.264	Vega
WISE_W4	205.68	418.67	11.497	2.210	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Data not available

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.311	9.438	9.601
{\rm log}_{10}({\rm SFR})	-0.500	-0.147	0.177
{\rm log}_{10}({\rm sSFR})	-10.004	-9.573	-9.178
{\rm stellar\ age}	1.420	3.319	5.055

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.385	-0.598	-0.188
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.678	0.019	0.358

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.198	0.321	0.460
\delta	-0.672	-0.340	-0.050
\tau_1/\tau_2	0.799	1.134	1.462
Q_{PAH}	1.003	2.385	4.357
U_{min}	2.778	7.948	15.050
{\rm log}_{10}(\gamma_e)\,	-2.884	-2.022	-0.992

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.943	-2.283	-1.390
{\rm log}_{10}(\tau_{AGN})\,	0.944	1.345	1.841

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.501	-0.281	-0.095
0.03-0.10 Gyr	-0.592	-0.099	0.285
0.10-0.32 Gyr	-0.054	0.295	0.557
0.32-1.05 Gyr	-0.156	0.183	0.415
1.05-3.38 Gyr	-1.076	-0.417	-0.104
3.38-10.94 Gyr	-1.839	-0.836	-0.414
10.94-12.16 Gyr	-2.100	-0.913	-0.316