2025yrt

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Information

Transient

Name: SN2025yrt
Right ascension: 5h07m55.16s
Declination: -18d11m23.86s
Discovery Date: Sept. 26, 2025, 9:36 a.m.
Classification: SN II
Redshift: 0.017000
MW E(B-V): 0.037

Host

Name: NGC1781
Right ascension: 5h07m55.03s
Declination: -18d11m23.78s
Redshift: 0.015596
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	4.4
Transient MWEBV	processed	0.15
Host match	processed	4.69
Host information	processed	0.12
Host MWEBV	processed	0.04
Global aperture construction	processed	0.64
Global aperture photometry	processed	4.31
Validate global photometry	processed	11.38
Global host SED inference	processed	397.85
Local aperture photometry	processed	4.03
Validate local photometry	processed	0.02
Local host SED inference	processed	4545.37

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) = 5h07m55.16s, -18d11m23.86s
semi major axis, semi minor axis (arcsec) = 6.3, 6.3
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	113.67	10.45	18.761	0.100	AB
GALEX_NUV	314.65	9.83	17.655	0.034	AB
PanSTARRS_g	6043.96	2.36	14.447	0.000	AB
PanSTARRS_r	11665.26	2.81	13.733	0.000	AB
PanSTARRS_i	16533.32	2.47	13.354	0.000	AB
PanSTARRS_z	21728.95	5.82	13.057	0.000	AB
PanSTARRS_y	26870.66	14.25	12.827	0.001	AB
2MASS_J	36535.5	182.71	11.598	0.005	Vega
2MASS_H	47325.23	257.07	10.845	0.006	Vega
2MASS_K	41574.4	311.95	10.515	0.008	Vega
WISE_W1	9481.04	48.84	11.259	0.006	Vega

Aperture details

RA, DEC (J2000) = 5h07m55.02s, -18d11m23.35s
semi major axis, semi minor axis (arcsec) = 30.02, 27.71
angle (degrees, anti-clockwise from east) = -117.92

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	256.5	15.7	17.877	0.066	AB
GALEX_NUV	538.87	14.92	17.071	0.030	AB
PanSTARRS_g	15533.35	7.87	13.422	0.001	AB
PanSTARRS_i	43513.33	8.89	12.303	0.000	AB
PanSTARRS_y	68360.16	62.89	11.813	0.001	AB
2MASS_J	89051.34	786.37	10.631	0.010	Vega
2MASS_H	113461.89	1136.01	9.895	0.011	Vega
2MASS_K	93442.51	1400.0	9.636	0.016	Vega
WISE_W1	44377.3	159.87	9.583	0.004	Vega
WISE_W2	25092.56	145.75	9.562	0.006	Vega
WISE_W4	65130.61	2553.35	5.246	0.043	Vega

Imaging data

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Spectral Energy Distribution

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Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.383	10.459	10.565
{\rm log}_{10}({\rm SFR})	-0.143	0.174	0.566
{\rm log}_{10}({\rm sSFR})	-10.638	-10.289	-9.909
{\rm stellar\ age}	8.098	9.789	12.424

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.699	-0.482	-0.324
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.532	0.014	0.268

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.249	0.346	0.506
\delta	-0.923	-0.754	-0.536
\tau_1/\tau_2	0.594	1.008	1.439
Q_{PAH}	0.062	0.252	0.744
U_{min}	2.120	7.006	13.480
{\rm log}_{10}(\gamma_e)\,	-3.670	-3.247	-2.553

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.426	-1.710	-1.294
{\rm log}_{10}(\tau_{AGN})\,	1.505	1.719	1.888

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.671	-0.165	0.210
0.03-0.10 Gyr	-0.234	0.251	0.685
0.10-0.33 Gyr	-1.575	-0.497	0.024
0.33-1.10 Gyr	-2.333	-0.931	-0.372
1.10-3.67 Gyr	-2.420	-0.839	-0.078
3.67-12.20 Gyr	-0.502	0.454	0.649
12.20-13.55 Gyr	0.460	1.178	1.648

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.806	10.856	10.911
{\rm log}_{10}({\rm SFR})	-0.295	0.067	0.365
{\rm log}_{10}({\rm sSFR})	-11.131	-10.800	-10.490
{\rm stellar\ age}	7.518	8.351	10.138

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.368	-0.200	-0.087
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.325	-0.217	0.338

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.272	0.366	0.491
\delta	-0.695	-0.473	-0.194
\tau_1/\tau_2	0.571	0.932	1.282
Q_{PAH}	0.438	1.246	2.664
U_{min}	2.516	7.056	14.225
{\rm log}_{10}(\gamma_e)\,	-3.412	-2.437	-1.830

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.622	-3.931	-2.973
{\rm log}_{10}(\tau_{AGN})\,	1.250	1.771	2.036

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.636	-0.102	0.220
0.03-0.10 Gyr	-0.450	0.092	0.477
0.10-0.33 Gyr	-0.287	0.203	0.536
0.33-1.10 Gyr	-0.428	0.112	0.419
1.10-3.67 Gyr	-0.208	0.387	0.775
3.67-12.20 Gyr	0.741	0.998	1.090
12.20-13.55 Gyr	0.669	1.181	1.728