2025yaa

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Information

Transient

Name: SN2025yaa
Right ascension: 17h56m46.46s
Declination: 43d12m14.67s
Discovery Date: Sept. 20, 2025, 3:25 a.m.
Classification: SN Ia
Redshift: 0.073600
MW E(B-V): 0.025

Host

Name:
Right ascension: 17h56m46.22s
Declination: 43d12m15.31s
Redshift: None
Photometric Redshift: 0.075
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 14.78
Transient MWEBV processed 0.04
Host match processed 5.38
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 5.32
Validate global photometry processed 11.86
Global host SED inference processed 406.04
Local aperture photometry processed 4.75
Validate local photometry processed 0.02
Local host SED inference processed 477.55
 

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) = 17h56m46.46s, 43d12m14.67s
semi major axis, semi minor axis (arcsec) = 1.43, 1.43
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 6.82 0.32 21.816 0.051 AB
SDSS_r 10.87 1.12 21.309 0.111 AB
PanSTARRS_r 10.97 0.36 21.300 0.035 AB
SDSS_i 13.86 1.56 21.046 0.123 AB
PanSTARRS_i 12.48 0.24 21.159 0.021 AB
PanSTARRS_z 12.37 1.08 21.169 0.095 AB
SDSS_z 11.05 4.83 21.292 0.475 AB
PanSTARRS_y 16.59 2.21 20.850 0.145 AB

Aperture details

RA, DEC (J2000) = 17h56m46.22s, 43d12m15.58s
semi major axis, semi minor axis (arcsec) = 8.5, 3.95
angle (degrees, anti-clockwise from east) = -129.66

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 14.33 5.34 21.009 0.404 AB
SDSS_g 104.9 3.27 18.848 0.034 AB
PanSTARRS_g 111.27 1.3 18.784 0.013 AB
SDSS_r 154.24 4.39 18.430 0.031 AB
PanSTARRS_r 169.37 1.45 18.328 0.009 AB
SDSS_i 214.04 6.33 18.074 0.032 AB
PanSTARRS_i 210.76 0.97 18.091 0.005 AB
PanSTARRS_z 226.08 4.35 18.014 0.021 AB
SDSS_z 225.86 19.67 18.015 0.095 AB
PanSTARRS_y 277.52 8.84 17.792 0.035 AB
WISE_W1 121.53 9.93 15.989 0.089 Vega
WISE_W2 65.31 9.75 16.024 0.162 Vega
WISE_W3 168.57 50.34 13.159 0.324 Vega
WISE_W4 363.07 296.28 10.880 0.886 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})\, 8.094 8.333 8.487
{\rm log}_{10}({\rm SFR}) -2.265 -1.492 -0.677
{\rm log}_{10}({\rm sSFR}) -10.693 -9.882 -8.852
{\rm stellar\ age} 1.510 5.382 7.184

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.661 -1.052 -0.328
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.490 -0.544 0.181

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.199 0.531 1.070
\delta -0.502 -0.081 0.227
\tau_1/\tau_2 0.644 1.049 1.449
Q_{PAH} 0.994 2.751 5.079
U_{min} 2.926 8.150 15.474
{\rm log}_{10}(\gamma_e)\, -2.727 -1.686 -0.689

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -0.929 -0.101 0.266
{\rm log}_{10}(\tau_{AGN})\, 1.122 1.508 1.898

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.654 -1.816 -1.273
0.03-0.10 Gyr -2.415 -1.462 -0.547
0.10-0.33 Gyr -2.377 -1.430 -0.756
0.33-1.07 Gyr -2.942 -1.485 -0.995
1.07-3.51 Gyr -3.202 -1.633 -1.320
3.51-11.50 Gyr -3.533 -1.744 -1.415
11.50-12.78 Gyr -3.313 -1.765 -1.154

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.420 9.557 9.676
{\rm log}_{10}({\rm SFR}) -1.376 -0.862 -0.398
{\rm log}_{10}({\rm sSFR}) -10.947 -10.407 -9.872
{\rm stellar\ age} 3.995 6.000 7.292

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.547 -1.127 -0.704
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.505 -0.021 0.257

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.128 0.244 0.407
\delta -0.840 -0.567 -0.127
\tau_1/\tau_2 0.635 0.967 1.295
Q_{PAH} 0.372 1.164 2.644
U_{min} 2.787 7.768 14.401
{\rm log}_{10}(\gamma_e)\, -3.027 -2.118 -1.106

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.186 -3.015 -2.025
{\rm log}_{10}(\tau_{AGN})\, 0.961 1.371 1.819

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.324 -0.983 -0.731
0.03-0.10 Gyr -1.569 -0.839 -0.296
0.10-0.33 Gyr -1.126 -0.371 0.065
0.33-1.07 Gyr -0.801 -0.270 0.026
1.07-3.51 Gyr -0.616 -0.294 -0.045
3.51-11.50 Gyr -0.862 -0.397 -0.169
11.50-12.78 Gyr -1.172 -0.451 0.040