2025sny results

2025sny results

Information

Transient

Name:	`SN2025sny`
Right ascension:	`23h44m00.93s`
Declination:	`51d05m18.59s`
Discovery Date:	`July 26, 2025, 9:24 a.m.`
Classification:	`SN IIb`
Redshift:	`0.040000`
MW E(B-V):	`0.175`

Host

Name:
Right ascension:	`23h44m01.03s`
Declination:	`51d05m16.85s`
Redshift:	`None`
Photometric Redshift:	`None`

Cutout Download Report

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

Processing Status: blocked

Task Name	Status	Time (s)
Cutout download	processed	37.47
Transient MWEBV	processed	0.09
Host match	processed	6.26
Host information	processed	0.14
Host MWEBV	processed	0.04
Global aperture construction	processed	0.73
Global aperture photometry	processed	4.91
Validate global photometry	processed	15.05
Global host SED inference	time limit exceeded	7188.25
Local aperture photometry	processed	5.66
Validate local photometry	processed	0.02
Local host SED inference	processed	1026.58

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	23h44m00.93s, 51d05m18.59s
semi major axis, semi minor axis (arcsec):	2.53, 2.53
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	17.9	2.45	20.768	0.148	AB
SDSS_g	154.48	3.32	18.428	0.023	AB
PanSTARRS_g	191.87	0.7	18.192	0.004	AB
SDSS_r	51.13	2.42	19.628	0.051	AB
PanSTARRS_r	329.08	0.84	17.607	0.003	AB
SDSS_i	310.59	5.06	17.670	0.018	AB
PanSTARRS_i	432.51	1.04	17.310	0.003	AB
PanSTARRS_z	489.39	2.4	17.176	0.005	AB
SDSS_z	390.28	9.76	17.422	0.027	AB
PanSTARRS_y	508.84	4.86	17.134	0.010	AB

Aperture details

RA, DEC (J2000):	23h44m01.14s, 51d05m20.01s
semi major axis, semi minor axis (arcsec):	4.1, 2.97
angle (degrees, anti-clockwise from east):	-169.56

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_NUV	7.68	2.65	21.687	0.375	AB
SDSS_u	43.13	3.52	19.813	0.089	AB
SDSS_g	353.11	5.0	17.530	0.015	AB
PanSTARRS_g	414.47	0.99	17.356	0.003	AB
SDSS_r	117.16	3.53	18.728	0.033	AB
PanSTARRS_r	688.85	1.16	16.805	0.002	AB
SDSS_i	682.65	7.41	16.814	0.012	AB
PanSTARRS_i	871.46	1.42	16.549	0.002	AB
PanSTARRS_z	934.39	3.22	16.474	0.004	AB
SDSS_z	828.12	13.67	16.605	0.018	AB
PanSTARRS_y	987.74	6.49	16.413	0.007	AB
2MASS_J	1148.84	103.55	15.354	0.098	Vega
2MASS_H	921.78	154.86	15.121	0.182	Vega
2MASS_K	809.82	159.08	14.791	0.213	Vega
WISE_W1	198.4	19.29	15.457	0.106	Vega
WISE_W2	107.56	21.05	15.482	0.213	Vega
WISE_W3	-86.66	55.46			Vega
WISE_W4	-115.69	322.73			Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.482	9.691	9.893
{\rm log}_{10}({\rm SFR})	-0.162	0.074	0.440
{\rm log}_{10}({\rm sSFR})	-9.874	-9.582	-9.229
{\rm stellar\ age}	6.406	7.924	11.575

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.356	-0.749	-0.367
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.379	-1.266	-1.134

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.834	1.133	1.411
\delta	-0.277	-0.026	0.215
\tau_1/\tau_2	0.157	0.422	0.745
Q_{PAH}	0.182	0.783	1.610
U_{min}	2.625	8.154	15.984
{\rm log}_{10}(\gamma_e)\,	-3.756	-3.215	-2.243

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.696	-3.953	-2.396
{\rm log}_{10}(\tau_{AGN})\,	1.094	1.569	2.017

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.317	0.554	0.957
0.03-0.10 Gyr	-3.041	-1.584	-0.604
0.10-0.33 Gyr	-4.312	-2.029	-0.933
0.33-1.09 Gyr	-4.222	-1.857	-0.801
1.09-3.60 Gyr	-2.872	-1.012	-0.233
3.60-11.90 Gyr	-1.424	-0.352	-0.037
11.90-13.22 Gyr	-1.406	-0.054	0.894

Global parameter details

Documentation

Data not available