2025rat

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Information

Transient

Name: SN2025rat
Right ascension: 1h07m23.92s
Declination: 0d55m59.61s
Discovery Date: July 11, 2025, 11:15 a.m.
Classification: SN Ia
Redshift: 0.018381
MW E(B-V): 0.022

Host

Name: NGC0391
Right ascension: 1h07m22.56s
Declination: 0d55m33.18s
Redshift: 0.017830
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 28.31
Transient MWEBV processed 0.05
Host match processed 4.19
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 6.33
Validate global photometry processed 17.91
Global host SED inference processed 589.16
Local aperture photometry processed 7.12
Validate local photometry processed 0.03
Local host SED inference processed 408.07
 

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) = 1h07m23.92s, 0d55m59.61s
semi major axis, semi minor axis (arcsec) = 5.52, 5.52
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 0.08 0.3 26.613 3.954 AB
GALEX_NUV 0.68 0.14 24.318 0.223 AB
SDSS_u 2.96 5.4 22.721 1.981 AB
SDSS_g 29.57 2.58 20.223 0.095 AB
DES_g 38.94 0.41 19.924 0.011 AB
PanSTARRS_g 33.84 1.48 20.076 0.047 AB
SDSS_r 59.49 3.6 19.464 0.066 AB
PanSTARRS_r 75.27 1.56 19.208 0.023 AB
DES_r 80.78 0.65 19.132 0.009 AB
SDSS_i 66.77 5.77 19.339 0.094 AB
PanSTARRS_i 103.23 1.44 18.866 0.015 AB
PanSTARRS_z 124.14 3.47 18.665 0.030 AB
SDSS_z 83.74 18.38 19.093 0.238 AB
DES_z 126.9 1.77 18.641 0.015 AB
PanSTARRS_y 146.65 8.2 18.484 0.061 AB
2MASS_J 268.66 121.06 16.932 0.489 Vega
2MASS_H -57.52 186.7 Vega
2MASS_K 413.58 217.28 15.521 0.570 Vega

Aperture details

RA, DEC (J2000) = 1h07m22.58s, 0d55m33.74s
semi major axis, semi minor axis (arcsec) = 18.33, 15.12
angle (degrees, anti-clockwise from east) = -133.36

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 18.91 1.39 20.708 0.080 AB
GALEX_NUV 65.18 0.57 19.365 0.010 AB
SDSS_u 1502.75 18.75 15.958 0.014 AB
SDSS_g 7763.64 23.58 14.175 0.003 AB
DES_g 8304.7 3.46 14.102 0.000 AB
PanSTARRS_g 8707.57 5.24 14.050 0.001 AB
SDSS_r 16207.75 34.38 13.376 0.002 AB
PanSTARRS_r 15465.21 5.18 13.427 0.000 AB
DES_r 17511.19 6.08 13.292 0.000 AB
SDSS_i 23409.96 42.87 12.976 0.002 AB
PanSTARRS_i 23431.54 4.95 12.975 0.000 AB
PanSTARRS_z 30013.96 11.35 12.707 0.000 AB
SDSS_z 31022.94 71.43 12.671 0.002 AB
DES_z 31580.31 19.63 12.651 0.001 AB
PanSTARRS_y 36571.29 25.54 12.492 0.001 AB
2MASS_J 42554.36 375.46 11.433 0.010 Vega
2MASS_H 53476.75 574.37 10.712 0.012 Vega
2MASS_K 43354.74 666.45 10.470 0.017 Vega
WISE_W1 19708.38 102.22 10.464 0.006 Vega
WISE_W2 10541.22 96.96 10.504 0.010 Vega
WISE_W3 2515.95 178.7 10.224 0.077 Vega
WISE_W4 6.81 889.34 15.197 141.750 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})\, 8.121 8.251 8.372
{\rm log}_{10}({\rm SFR}) -2.235 -1.812 -1.435
{\rm log}_{10}({\rm sSFR}) -10.540 -10.088 -9.615
{\rm stellar\ age} 6.259 7.715 9.423

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.619 -1.094 -0.581
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.781 -1.369 0.181

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.602 0.913 1.150
\delta -0.756 -0.546 -0.350
\tau_1/\tau_2 0.656 0.977 1.302
Q_{PAH} 0.511 1.918 4.374
U_{min} 2.667 7.313 14.196
{\rm log}_{10}(\gamma_e)\, -3.340 -2.474 -1.286

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.749 -2.021 -0.559
{\rm log}_{10}(\tau_{AGN})\, 0.958 1.386 1.827

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.010 -1.665 -1.392
0.03-0.10 Gyr -2.609 -1.929 -1.411
0.10-0.33 Gyr -2.931 -2.144 -1.619
0.33-1.10 Gyr -2.950 -2.127 -1.705
1.10-3.66 Gyr -2.721 -1.939 -1.627
3.66-12.17 Gyr -2.037 -1.669 -1.477
12.17-13.52 Gyr -2.105 -1.558 -0.947

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.709 10.797 10.835
{\rm log}_{10}({\rm SFR}) -2.996 -2.206 -1.741
{\rm log}_{10}({\rm sSFR}) -13.826 -13.007 -12.539
{\rm stellar\ age} 8.760 12.014 12.819

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.367 -0.273 -0.193
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.443 -0.700 0.017

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.049 0.087 0.137
\delta -0.831 -0.553 -0.197
\tau_1/\tau_2 0.566 0.970 1.374
Q_{PAH} 0.162 0.736 1.685
U_{min} 3.333 9.196 16.898
{\rm log}_{10}(\gamma_e)\, -2.071 -1.482 -0.981

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.740 -4.197 -3.326
{\rm log}_{10}(\tau_{AGN})\, 1.213 1.725 2.015

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.007 -2.429 -1.927
0.03-0.10 Gyr -3.286 -2.190 -1.640
0.10-0.33 Gyr -3.083 -2.105 -1.483
0.33-1.10 Gyr -3.332 -2.040 -1.255
1.10-3.66 Gyr -2.947 -1.594 -0.607
3.66-12.17 Gyr -1.536 0.307 0.929
12.17-13.52 Gyr 1.062 1.834 1.949