2025afcy results

2025afcy results

Information

Transient

Name:	`SN2025afcy`
Right ascension:	`8h17m38.85s`
Declination:	`59d57m25.72s`
Discovery Date:	`Nov. 28, 2025, 1:30 p.m.`
Classification:	`SN Ia`
Redshift:	`0.028000`
MW E(B-V):	`0.076`

Host

Name:	`23238`
Right ascension:	`8h17m36.19s`
Declination:	`59d57m13.78s`
Redshift:	`0.029284`
Photometric Redshift:	`None`

Cutout Download Report

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

Processing Status: blocked

Task Name	Status	Time (s)
Cutout download	processed	3.68
Transient MWEBV	processed	0.08
Host match	processed	4.17
Host information	processed	0.11
Host MWEBV	processed	0.07
Global aperture construction	processed	0.64
Global aperture photometry	failed	3.25
Validate global photometry	not processed	9.89
Global host SED inference	not processed	524.4
Local aperture photometry	failed	0.01
Validate local photometry	not processed	0.02
Local host SED inference	not processed	405.38

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	8h17m38.85s, 59d57m25.72s
semi major axis, semi minor axis (arcsec):	3.41, 3.41
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	27.19	0.72	20.314	0.029	AB
PanSTARRS_r	57.76	1.27	19.496	0.024	AB
PanSTARRS_i	88.99	1.0	19.027	0.012	AB
PanSTARRS_z	111.98	2.64	18.777	0.026	AB
PanSTARRS_y	152.4	6.12	18.443	0.044	AB
2MASS_J	146.07	69.04	17.594	0.513	Vega
2MASS_H	267.29	101.22	16.465	0.411	Vega
2MASS_K	150.75	131.96	16.617	0.950	Vega

Aperture details

RA, DEC (J2000):	8h17m36.22s, 59d57m13.51s
semi major axis, semi minor axis (arcsec):	22.54, 17.01
angle (degrees, anti-clockwise from east):	-108.67

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_y	33537.51	34.74	12.586	0.001	AB

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.662	8.818	8.968
{\rm log}_{10}({\rm SFR})	-1.954	-1.388	-0.891
{\rm log}_{10}({\rm sSFR})	-10.779	-10.200	-9.622
{\rm stellar\ age}	5.591	7.404	9.322

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.484	-0.750	-0.175
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.190	-0.123	0.280

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.626	1.299	1.643
\delta	-0.420	-0.095	0.174
\tau_1/\tau_2	0.683	0.991	1.344
Q_{PAH}	0.662	2.157	4.612
U_{min}	2.664	7.560	13.953
{\rm log}_{10}(\gamma_e)\,	-3.420	-2.522	-1.428

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.911	-2.116	-0.468
{\rm log}_{10}(\tau_{AGN})\,	0.977	1.343	1.845

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.891	-1.268	-0.900
0.03-0.10 Gyr	-2.247	-1.512	-0.875
0.10-0.33 Gyr	-2.434	-1.561	-1.016
0.33-1.10 Gyr	-2.490	-1.493	-0.995
1.10-3.63 Gyr	-2.183	-1.291	-0.961
3.63-12.03 Gyr	-1.626	-1.121	-0.902
12.03-13.36 Gyr	-1.672	-1.041	-0.338

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	11.095	11.161	11.280
{\rm log}_{10}({\rm SFR})	-2.474	-0.626	0.627
{\rm log}_{10}({\rm sSFR})	-13.533	-11.764	-10.512
{\rm stellar\ age}	7.814	8.985	12.581

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.731	-0.464	-0.291
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.168	-0.428	0.176

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.319	0.486	0.779
\delta	-0.898	-0.705	-0.398
\tau_1/\tau_2	0.471	0.874	1.257
Q_{PAH}	0.485	1.435	4.717
U_{min}	2.503	7.508	15.130
{\rm log}_{10}(\gamma_e)\,	-3.381	-2.455	-1.004

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.722	-4.184	-3.300
{\rm log}_{10}(\tau_{AGN})\,	1.242	1.757	2.041

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.306	-0.714	0.626
0.03-0.10 Gyr	-3.402	-0.766	0.627
0.10-0.33 Gyr	-4.019	-0.790	0.540
0.33-1.10 Gyr	-3.457	-0.799	0.358
1.10-3.63 Gyr	-2.329	-0.051	0.831
3.63-12.03 Gyr	-0.352	1.234	1.401
12.03-13.36 Gyr	0.962	1.716	2.392