2025ytn

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Information

Transient

Name: SN2025ytn
Right ascension: 7h01m25.19s
Declination: 56d32m05.42s
Discovery Date: Sept. 27, 2025, 10 p.m.
Classification: SN Ia
Redshift: 0.046000
MW E(B-V): 0.048

Host

Name:
Right ascension: 7h01m25.35s
Declination: 56d32m01.06s
Redshift: None
Photometric Redshift: 0.192
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 3.9
Transient MWEBV processed 0.08
Host match processed 7.31
Host information processed 0.13
Host MWEBV processed 0.12
Global aperture construction processed 2.86
Global aperture photometry processed 4.0
Validate global photometry processed 11.59
Global host SED inference processed 413.05
Local aperture photometry processed 3.97
Validate local photometry processed 0.02
Local host SED inference processed 570.01
 

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) = 7h01m25.19s, 56d32m05.42s
semi major axis, semi minor axis (arcsec) = 2.21, 2.21
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 -1.43 0.48 AB
PanSTARRS_r 2.32 0.65 22.985 0.305 AB
PanSTARRS_i 6.1 0.62 21.937 0.110 AB
PanSTARRS_z 7.86 1.8 21.662 0.248 AB
PanSTARRS_y 21.54 3.71 20.567 0.187 AB

Aperture details

RA, DEC (J2000) = 7h01m25.28s, 56d32m01.04s
semi major axis, semi minor axis (arcsec) = 5.79, 2.12
angle (degrees, anti-clockwise from east) = -131.32

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.31 0.74 23.609 0.616 AB
GALEX_NUV 0.19 1.04 25.679 5.838 AB
PanSTARRS_g 9.61 0.77 21.443 0.087 AB
PanSTARRS_r 12.21 1.02 21.183 0.090 AB
PanSTARRS_i 14.59 0.96 20.990 0.072 AB
PanSTARRS_z 22.21 2.74 20.534 0.134 AB
PanSTARRS_y 29.57 5.65 20.223 0.207 AB
2MASS_J -4.33 91.53 Vega
2MASS_H -112.85 139.67 Vega
2MASS_K 44.95 162.6 17.930 3.928 Vega
WISE_W2 103.6 15.57 15.523 0.163 Vega
WISE_W3 -73.07 50.93 Vega
WISE_W4 1362.66 483.73 9.444 0.385 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})\, 7.096 7.463 8.249
{\rm log}_{10}({\rm SFR}) -1.133 -0.844 -0.582
{\rm log}_{10}({\rm sSFR}) -9.334 -8.057 -7.961
{\rm stellar\ age} 0.016 1.298 7.795

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.407 -0.058 0.111
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.619 -0.386 -0.170

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 2.075 2.517 3.099
\delta 0.022 0.175 0.302
\tau_1/\tau_2 0.511 0.832 1.236
Q_{PAH} 0.355 1.453 3.896
U_{min} 3.141 9.227 17.367
{\rm log}_{10}(\gamma_e)\, -3.390 -2.493 -1.305

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.093 -2.185 -0.405
{\rm log}_{10}(\tau_{AGN})\, 0.974 1.356 1.850

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.710 -0.367 -0.096
0.03-0.10 Gyr -4.383 -2.841 -1.359
0.10-0.33 Gyr -6.958 -4.245 -2.153
0.33-1.09 Gyr -8.494 -5.227 -2.402
1.09-3.59 Gyr -9.104 -4.767 -2.075
3.59-11.83 Gyr -9.694 -4.424 -1.776
11.83-13.14 Gyr -10.324 -3.982 -1.393

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.897 8.154 8.303
{\rm log}_{10}({\rm SFR}) -2.285 -1.567 -0.882
{\rm log}_{10}({\rm sSFR}) -10.503 -9.754 -8.853
{\rm stellar\ age} 2.372 6.041 7.717

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.309 -0.599 -0.094
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.141 -0.595 -0.143

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.362 0.734 1.212
\delta -0.292 0.047 0.271
\tau_1/\tau_2 0.660 1.015 1.374
Q_{PAH} 1.210 2.867 4.928
U_{min} 3.253 8.774 15.860
{\rm log}_{10}(\gamma_e)\, -2.826 -1.696 -0.589

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -0.719 -0.139 0.241
{\rm log}_{10}(\tau_{AGN})\, 1.253 1.611 1.848

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.895 -1.875 -1.315
0.03-0.10 Gyr -2.346 -1.569 -0.775
0.10-0.33 Gyr -2.478 -1.684 -1.068
0.33-1.09 Gyr -2.843 -1.915 -1.457
1.09-3.59 Gyr -2.874 -1.869 -1.536
3.59-11.83 Gyr -3.121 -1.862 -1.580
11.83-13.14 Gyr -3.311 -1.896 -1.332