2025alrj results

2025alrj results

Information

Transient

Name:	`SN2025alrj`
Right ascension:	`9h58m24.47s`
Declination:	`0d43m41.12s`
Discovery Date:	`Dec. 18, 2025, 8:07 a.m.`
Classification:	`SN II`
Redshift:	`0.065000`
MW E(B-V):	`0.023`

Host

Name:	`J095824.46+004341.05`
Right ascension:	`9h58m24.46s`
Declination:	`0d43m41.05s`
Redshift:	`None`
Photometric Redshift:	`0.081`

Cutout Download Report

Downloaded	Unavailable
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	2MASS_H DES_g DES_r DES_i DES_z DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	16.14
Transient MWEBV	processed	0.03
Host match	processed	5.74
Host information	processed	0.13
Host MWEBV	processed	0.03
Global aperture construction	processed	0.58
Global aperture photometry	processed	4.41
Validate global photometry	processed	14.46
Global host SED inference	processed	420.76
Local aperture photometry	processed	4.23
Validate local photometry	processed	0.02
Local host SED inference	processed	416.61

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	9h58m24.47s, 0d43m41.12s
semi major axis, semi minor axis (arcsec):	1.6, 1.6
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	12.73	1.35	21.138	0.115	AB
SDSS_g	29.36	1.48	20.231	0.055	AB
PanSTARRS_g	26.45	0.31	20.344	0.013	AB
SDSS_r	35.29	1.69	20.031	0.052	AB
PanSTARRS_r	29.84	0.32	20.213	0.012	AB
SDSS_i	43.81	2.07	19.796	0.051	AB
PanSTARRS_i	41.09	0.53	19.866	0.014	AB
PanSTARRS_z	40.52	1.02	19.881	0.027	AB
SDSS_z	43.39	4.52	19.806	0.113	AB
PanSTARRS_y	44.75	3.13	19.773	0.076	AB

Aperture details

RA, DEC (J2000):	9h58m24.46s, 0d43m41.08s
semi major axis, semi minor axis (arcsec):	4.53, 2.31
angle (degrees, anti-clockwise from east):	-0.71

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	6.82	0.37	21.815	0.059	AB
GALEX_NUV	10.09	0.31	21.391	0.033	AB
SDSS_u	19.83	2.43	20.657	0.133	AB
SDSS_g	40.34	1.93	19.886	0.052	AB
PanSTARRS_g	38.4	0.61	19.939	0.017	AB
SDSS_r	47.75	2.31	19.703	0.053	AB
PanSTARRS_r	44.8	0.63	19.772	0.015	AB
SDSS_i	61.79	3.12	19.423	0.055	AB
PanSTARRS_i	56.29	1.03	19.524	0.020	AB
PanSTARRS_z	50.89	1.97	19.633	0.042	AB
SDSS_z	44.18	8.68	19.787	0.213	AB
PanSTARRS_y	62.3	6.04	19.414	0.105	AB
2MASS_J	168.74	115.97	17.437	0.746	Vega
2MASS_K	-58.03	190.51			Vega
WISE_W1	30.62	10.22	17.486	0.362	Vega
WISE_W2	18.58	11.33	17.389	0.662	Vega
WISE_W3	67.82	53.96	14.148	0.864	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.237	8.547	8.720
{\rm log}_{10}({\rm SFR})	-1.273	-0.641	-0.092
{\rm log}_{10}({\rm sSFR})	-9.893	-9.189	-8.340
{\rm stellar\ age}	0.581	4.333	6.489

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.467	-0.852	-0.184
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.679	-0.998	0.059

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.128	0.513	1.000
\delta	-0.465	0.026	0.278
\tau_1/\tau_2	0.679	1.055	1.459
Q_{PAH}	0.714	2.175	4.624
U_{min}	2.946	8.114	15.649
{\rm log}_{10}(\gamma_e)\,	-3.089	-2.057	-0.809

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.043	-0.715	-0.026
{\rm log}_{10}(\tau_{AGN})\,	1.059	1.426	1.947

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.299	-0.998	-0.685
0.03-0.10 Gyr	-1.324	-0.565	0.046
0.10-0.33 Gyr	-1.634	-0.862	-0.315
0.33-1.08 Gyr	-3.309	-1.262	-0.788
1.08-3.54 Gyr	-4.177	-1.620	-1.129
3.54-11.62 Gyr	-4.607	-1.872	-1.264
11.62-12.91 Gyr	-4.660	-1.901	-1.103
0.33-1.08 Gyr	-2.586	-1.201	-0.817
1.08-3.54 Gyr	-3.404	-1.487	-1.113
3.54-11.60 Gyr	-3.765	-1.673	-1.248
11.60-12.89 Gyr	-3.658	-1.697	-1.063

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.164	8.535	8.771
{\rm log}_{10}({\rm SFR})	-0.865	-0.328	0.137
{\rm log}_{10}({\rm sSFR})	-9.561	-8.819	-8.044
{\rm stellar\ age}	0.171	1.973	5.473

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.606	-0.929	-0.070
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.373	0.007	0.327

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.228	0.516	1.029
\delta	-0.318	0.034	0.235
\tau_1/\tau_2	0.674	1.121	1.517
Q_{PAH}	1.388	3.348	5.306
U_{min}	3.147	8.893	16.462
{\rm log}_{10}(\gamma_e)\,	-3.143	-1.982	-0.788

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.856	-1.703	-0.694
{\rm log}_{10}(\tau_{AGN})\,	0.984	1.396	1.834

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.147	-0.789	-0.508
0.03-0.10 Gyr	-0.852	-0.231	0.279
0.10-0.33 Gyr	-1.636	-0.485	-0.023
0.33-1.08 Gyr	-3.108	-1.196	-0.706
1.08-3.54 Gyr	-4.853	-1.718	-1.086
3.54-11.62 Gyr	-5.295	-1.996	-1.215
11.62-12.91 Gyr	-5.228	-1.902	-1.014
0.33-1.08 Gyr	-3.779	-1.525	-0.769
1.08-3.54 Gyr	-5.733	-2.032	-1.171
3.54-11.60 Gyr	-6.261	-2.365	-1.350
11.60-12.89 Gyr	-6.140	-2.274	-1.206