2025affn

Download data

Information

Transient

Name: AT2025affn
Right ascension: 7h43m17.79s
Declination: 45d29m43.78s
Discovery Date: Nov. 28, 2025, 5:04 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.045

Host

Name:
Right ascension: 7h43m17.53s
Declination: 45d29m46.52s
Redshift: None
Photometric Redshift: 0.149

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	15.28
Transient MWEBV	processed	0.04
Host match	processed	5.7
Host information	processed	0.14
Host MWEBV	processed	0.04
Global aperture construction	processed	0.65
Global aperture photometry	processed	5.0
Validate global photometry	processed	13.55
Global host SED inference	processed	474.57
Local aperture photometry	processed	5.41
Validate local photometry	no valid phot	0.02
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) = 7h43m17.79s, 45d29m43.78s
semi major axis, semi minor axis (arcsec) = 0.77, 0.77
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) = 7h43m17.52s, 45d29m46.73s
semi major axis, semi minor axis (arcsec) = 4.65, 4.0
angle (degrees, anti-clockwise from east) = -45.34

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	11.03	3.32	21.293	0.327	AB
SDSS_g	76.93	2.59	19.185	0.037	AB
PanSTARRS_g	92.76	1.06	18.982	0.012	AB
SDSS_r	206.32	4.32	18.114	0.023	AB
PanSTARRS_r	223.77	1.4	18.026	0.007	AB
SDSS_i	324.72	5.99	17.621	0.020	AB
PanSTARRS_i	323.13	1.17	17.627	0.004	AB
PanSTARRS_z	409.71	3.21	17.369	0.009	AB
SDSS_z	429.93	14.31	17.317	0.036	AB
PanSTARRS_y	510.02	8.85	17.131	0.019	AB
2MASS_J	747.38	111.43	15.821	0.162	Vega
2MASS_H	792.08	166.61	15.285	0.228	Vega
2MASS_K	809.91	184.89	14.791	0.248	Vega
WISE_W1	275.3	12.87	15.101	0.051	Vega
WISE_W2	169.38	15.71	14.989	0.101	Vega
WISE_W3	12.4	65.0	15.992	5.690	Vega
WISE_W4	176.42	387.53	11.664	2.385	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})\,	10.537	10.675	10.774
{\rm log}_{10}({\rm SFR})	-1.552	-0.251	0.323
{\rm log}_{10}({\rm sSFR})	-12.312	-10.945	-10.299
{\rm stellar\ age}	5.667	7.030	10.142

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.317	-0.994	-0.760
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.393	-0.458	0.125

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.322	0.466	0.654
\delta	-0.947	-0.834	-0.645
\tau_1/\tau_2	0.615	1.036	1.449
Q_{PAH}	0.603	2.223	4.444
U_{min}	3.469	9.614	16.770
{\rm log}_{10}(\gamma_e)\,	-2.635	-1.558	-0.657

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.330	-3.140	-2.006
{\rm log}_{10}(\tau_{AGN})\,	1.074	1.555	1.915

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.229	-0.429	0.088
0.03-0.10 Gyr	-2.169	-0.253	0.429
0.10-0.32 Gyr	-1.893	-0.135	0.574
0.32-1.03 Gyr	-2.067	-0.083	0.641
1.03-3.32 Gyr	-1.357	0.331	0.815
3.32-10.69 Gyr	-0.258	0.810	0.997
10.69-11.88 Gyr	-0.075	0.914	1.857