2025qtt

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Information

Transient

Name: SN2025qtt
Right ascension: 19h31m06.01s
Declination: 54d06m03.65s
Discovery Date: July 11, 2025, 6:37 a.m.
Classification: SN II
Redshift: 0.012839
MW E(B-V): 0.136

Host

Name: UGC11453
Right ascension: 19h31m08.05s
Declination: 54d06m07.75s
Redshift: 0.012839
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	17.0
Transient MWEBV	processed	0.11
Host match	processed	6.4
Host information	processed	0.08
Host MWEBV	processed	0.04
Global aperture construction	processed	0.77
Global aperture photometry	processed	4.31
Validate global photometry	processed	11.67
Global host SED inference	processed	423.43
Local aperture photometry	processed	4.27
Validate local photometry	processed	0.02
Local host SED inference	processed	544.89

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) = 19h31m06.01s, 54d06m03.65s
semi major axis, semi minor axis (arcsec) = 7.62, 7.62
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	14.83	4.71	20.972	0.345	AB
GALEX_NUV	16.45	2.99	20.860	0.197	AB
PanSTARRS_g	498.37	2.79	17.156	0.006	AB
PanSTARRS_r	1136.5	4.77	16.261	0.005	AB
PanSTARRS_i	1675.64	6.06	15.840	0.004	AB
PanSTARRS_z	2152.07	9.97	15.568	0.005	AB
PanSTARRS_y	2780.32	16.68	15.290	0.007	AB
2MASS_J	3535.93	181.43	14.134	0.056	Vega
2MASS_H	4608.8	327.66	13.373	0.077	Vega
2MASS_K	3447.29	314.5	13.219	0.099	Vega
WISE_W1	946.82	101.17	13.760	0.116	Vega
WISE_W2	612.56	63.45	13.593	0.112	Vega
WISE_W3	3032.07	409.07	10.022	0.146	Vega

Aperture details

RA, DEC (J2000) = 19h31m08.07s, 54d06m07.69s
semi major axis, semi minor axis (arcsec) = 40.75, 31.97
angle (degrees, anti-clockwise from east) = -137.14

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_NUV	494.95	14.47	17.164	0.032	AB
PanSTARRS_y	48203.32	77.91	12.192	0.002	AB
2MASS_J	67358.78	860.73	10.934	0.014	Vega
2MASS_H	84816.58	1554.75	10.211	0.020	Vega
2MASS_K	72918.89	1493.18	9.905	0.022	Vega
WISE_W1	44141.51	544.33	9.589	0.013	Vega
WISE_W2	27596.53	347.33	9.459	0.014	Vega
WISE_W3	138393.58	2251.55	5.873	0.018	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})\,	9.337	9.432	9.500
{\rm log}_{10}({\rm SFR})	-1.537	-1.192	-0.872
{\rm log}_{10}({\rm sSFR})	-10.952	-10.610	-10.280
{\rm stellar\ age}	8.576	11.674	12.646

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.953	-0.735	-0.553
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	0.001	0.150	0.297

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.293	0.440	0.608
\delta	-0.594	-0.363	-0.175
\tau_1/\tau_2	0.721	1.106	1.469
Q_{PAH}	0.157	0.602	1.547
U_{min}	2.956	8.443	15.292
{\rm log}_{10}(\gamma_e)\,	-2.778	-1.882	-1.133

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.276	-3.198	-2.303
{\rm log}_{10}(\tau_{AGN})\,	1.290	1.802	2.069

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.659	-1.238	-0.906
0.03-0.10 Gyr	-1.885	-1.225	-0.829
0.10-0.33 Gyr	-4.026	-1.920	-1.349
0.33-1.10 Gyr	-5.146	-2.398	-1.621
1.10-3.64 Gyr	-5.033	-2.641	-1.544
3.64-12.05 Gyr	-2.637	-0.985	-0.446
12.05-13.38 Gyr	-0.289	0.473	0.619

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.405	10.546	10.683
{\rm log}_{10}({\rm SFR})	-0.121	0.317	0.749
{\rm log}_{10}({\rm sSFR})	-10.684	-10.275	-9.768
{\rm stellar\ age}	5.311	7.572	9.281

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.012	-0.472	-0.155
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.736	-1.114	-0.446

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.461	0.710	1.003
\delta	-0.312	-0.050	0.200
\tau_1/\tau_2	0.300	0.702	1.123
Q_{PAH}	0.846	1.775	3.190
U_{min}	2.716	7.520	14.615
{\rm log}_{10}(\gamma_e)\,	-3.406	-2.233	-1.414

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.975	-2.601	-1.829
{\rm log}_{10}(\tau_{AGN})\,	1.054	1.593	1.976

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.527	0.351	0.705
0.03-0.10 Gyr	-0.864	0.196	0.818
0.10-0.33 Gyr	-1.176	0.053	0.724
0.33-1.10 Gyr	-0.966	0.114	0.673
1.10-3.64 Gyr	-0.385	0.390	0.787
3.64-12.05 Gyr	0.018	0.603	0.839
12.05-13.38 Gyr	-0.077	0.717	1.360