2025xbl results

2025xbl results

Information

Transient

Name:	`SN2025xbl`
Right ascension:	`17h55m29.62s`
Declination:	`43d49m32.58s`
Discovery Date:	`Sept. 3, 2025, 3:45 a.m.`
Classification:	`SN Ia`
Redshift:	`0.074200`
MW E(B-V):	`0.031`

Host

Name:
Right ascension:	`17h55m29.43s`
Declination:	`43d49m30.30s`
Redshift:	`None`
Photometric Redshift:	`0.066`

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 SDSS_i SDSS_r SDSS_u SDSS_z SDSS_g	GALEX_NUV GALEX_FUV DES_g DES_r DES_i DES_z DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	15.02
Transient MWEBV	processed	0.07
Host match	processed	5.59
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	0.62
Global aperture photometry	processed	4.79
Validate global photometry	processed	13.35
Global host SED inference	processed	494.46
Local aperture photometry	processed	4.9
Validate local photometry	processed	0.02
Local host SED inference	processed	416.26

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	17h55m29.62s, 43d49m32.58s
semi major axis, semi minor axis (arcsec):	1.42, 1.42
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	37.54	0.36	19.964	0.010	AB
SDSS_r	48.28	1.88	19.691	0.042	AB
PanSTARRS_r	49.39	0.36	19.666	0.008	AB
SDSS_i	65.94	2.3	19.352	0.038	AB
PanSTARRS_i	64.0	0.27	19.385	0.005	AB
PanSTARRS_z	61.21	1.14	19.433	0.020	AB
SDSS_z	67.95	5.91	19.320	0.094	AB
PanSTARRS_y	74.31	2.25	19.222	0.033	AB

Aperture details

RA, DEC (J2000):	17h55m29.45s, 43d49m29.62s
semi major axis, semi minor axis (arcsec):	10.99, 7.79
angle (degrees, anti-clockwise from east):	-7.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_g	624.59	6.86	16.911	0.012	AB
PanSTARRS_g	634.06	2.28	16.895	0.004	AB
PanSTARRS_z	1137.7	7.37	16.260	0.007	AB
PanSTARRS_y	1257.36	14.57	16.151	0.013	AB
WISE_W2	433.34	50.48	13.969	0.126	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.719	8.941	9.080
{\rm log}_{10}({\rm SFR})	-1.279	-0.738	-0.155
{\rm log}_{10}({\rm sSFR})	-10.262	-9.681	-9.029
{\rm stellar\ age}	2.083	4.867	6.670

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.562	-1.024	-0.444
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.199	-0.353	0.125

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.155	0.423	0.760
\delta	-0.714	-0.211	0.221
\tau_1/\tau_2	0.690	1.021	1.361
Q_{PAH}	0.836	2.624	5.043
U_{min}	2.859	7.822	14.594
{\rm log}_{10}(\gamma_e)\,	-3.061	-2.073	-0.849

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.178	-0.837	-0.214
{\rm log}_{10}(\tau_{AGN})\,	1.120	1.485	1.960

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.205	-0.909	-0.631
0.03-0.10 Gyr	-1.439	-0.696	-0.035
0.10-0.33 Gyr	-1.182	-0.567	-0.084
0.33-1.07 Gyr	-1.222	-0.704	-0.374
1.07-3.51 Gyr	-1.640	-0.938	-0.663
3.51-11.50 Gyr	-2.145	-1.181	-0.833
11.50-12.78 Gyr	-2.249	-1.232	-0.637

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.852	10.069	10.271
{\rm log}_{10}({\rm SFR})	-1.083	0.200	1.047
{\rm log}_{10}({\rm sSFR})	-11.103	-9.961	-9.034
{\rm stellar\ age}	0.771	3.744	6.615

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.386	-0.731	-0.312
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.473	-0.274	0.284

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.152	0.300	0.490
\delta	-0.751	-0.336	0.181
\tau_1/\tau_2	0.589	1.036	1.473
Q_{PAH}	0.654	2.066	4.578
U_{min}	2.881	8.371	16.057
{\rm log}_{10}(\gamma_e)\,	-2.960	-1.494	-0.600

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.266	-3.125	-1.939
{\rm log}_{10}(\tau_{AGN})\,	1.113	1.643	2.000

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.568	-0.460	0.012
0.03-0.10 Gyr	-1.367	0.302	1.204
0.10-0.33 Gyr	-0.252	0.763	1.318
0.33-1.07 Gyr	-1.121	0.454	0.959
1.07-3.51 Gyr	-2.178	0.010	0.501
3.51-11.50 Gyr	-2.680	-0.353	0.282
11.50-12.78 Gyr	-2.841	-0.333	0.524