2025lyh

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Information

Transient

Name: SN2025lyh
Right ascension: 21h11m15.48s
Declination: 37d53m24.10s
Discovery Date: May 16, 2025, 9:55 a.m.
Classification: SN II
Redshift: 0.027072
MW E(B-V): 0.315

Host

Name: 2025lyh
Right ascension: 21h11m16.58s
Declination: 37d53m05.19s
Redshift: 0.027072
Photometric Redshift: 0.020
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 0.28
Transient MWEBV processed 0.09
Host match processed 6.07
Host information processed 0.09
Host MWEBV processed 0.05
Global aperture construction processed 0.73
Global aperture photometry processed 4.26
Validate global photometry processed 12.3
Global host SED inference processed 442.13
Local aperture photometry processed 4.19
Validate local photometry processed 0.02
Local host SED inference processed 482.4
 

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) = 21h11m15.48s, 37d53m24.10s
semi major axis, semi minor axis (arcsec) = 3.68, 3.68
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 134.4 0.97 18.579 0.008 AB
PanSTARRS_r 265.73 1.81 17.839 0.007 AB
PanSTARRS_i 394.29 1.78 17.410 0.005 AB
PanSTARRS_z 520.12 2.99 17.110 0.006 AB
PanSTARRS_y 662.74 7.62 16.847 0.012 AB
2MASS_J 885.21 84.07 15.637 0.103 Vega
2MASS_H 1261.26 114.52 14.780 0.099 Vega
2MASS_K 833.66 160.63 14.760 0.209 Vega

Aperture details

RA, DEC (J2000) = 21h11m16.55s, 37d53m07.64s
semi major axis, semi minor axis (arcsec) = 42.15, 18.23
angle (degrees, anti-clockwise from east) = -21.46

Warning: possible contaminating objects in the global aperture
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 7619.76 7.37 14.195 0.001 AB
PanSTARRS_r 15496.31 13.79 13.424 0.001 AB
PanSTARRS_i 23472.35 13.42 12.974 0.001 AB
PanSTARRS_z 30350.87 22.88 12.695 0.001 AB
PanSTARRS_y 38042.94 57.88 12.449 0.002 AB
2MASS_J 51400.89 637.44 11.228 0.013 Vega
2MASS_H 66190.56 867.5 10.480 0.014 Vega
2MASS_K 54212.05 1218.12 10.227 0.024 Vega
WISE_W1 29611.96 349.76 10.022 0.013 Vega
WISE_W2 17511.02 241.2 9.953 0.015 Vega
WISE_W3 30110.29 1090.74 7.529 0.039 Vega
WISE_W4 30478.06 2476.66 6.070 0.088 Vega
 

Imaging data

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Spectral Energy Distribution

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Warning: possible contaminating objects in the global aperture

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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})\, 9.062 9.254 9.428
{\rm log}_{10}({\rm SFR}) -1.060 -0.485 0.018
{\rm log}_{10}({\rm sSFR}) -10.350 -9.732 -9.158
{\rm stellar\ age} 2.496 5.696 7.828

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.342 -0.660 -0.190
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.539 -0.693 -0.128

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.364 0.774 1.080
\delta -0.389 0.021 0.245
\tau_1/\tau_2 0.660 1.029 1.386
Q_{PAH} 0.541 2.077 4.568
U_{min} 2.826 8.039 15.136
{\rm log}_{10}(\gamma_e)\, -3.416 -1.944 -0.851

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.302 -2.771 -0.928
{\rm log}_{10}(\tau_{AGN})\, 0.912 1.417 1.962

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.243 -0.708 -0.402
0.03-0.10 Gyr -1.215 -0.436 0.131
0.10-0.33 Gyr -1.041 -0.381 0.097
0.33-1.10 Gyr -1.228 -0.544 -0.132
1.10-3.64 Gyr -1.506 -0.718 -0.375
3.64-12.05 Gyr -1.842 -0.836 -0.505
12.05-13.39 Gyr -1.975 -0.837 -0.212

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.980 11.063 11.159
{\rm log}_{10}({\rm SFR}) 0.094 0.730 1.298
{\rm log}_{10}({\rm sSFR}) -10.968 -10.362 -9.781
{\rm stellar\ age} 5.996 7.340 8.977

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.427 -0.325 -0.226
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.330 -0.741 0.025

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.048 0.169 0.280
\delta -0.843 -0.429 0.106
\tau_1/\tau_2 0.536 0.917 1.325
Q_{PAH} 0.657 1.446 4.803
U_{min} 2.063 6.282 13.141
{\rm log}_{10}(\gamma_e)\, -3.668 -2.633 -1.137

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.157 -3.154 -2.326
{\rm log}_{10}(\tau_{AGN})\, 1.072 1.543 1.907

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.096 0.481 0.783
0.03-0.10 Gyr -0.128 0.764 1.434
0.10-0.33 Gyr -0.203 0.732 1.260
0.33-1.10 Gyr -0.101 0.677 1.070
1.10-3.64 Gyr 0.386 1.007 1.343
3.64-12.05 Gyr 0.856 1.150 1.305
12.05-13.39 Gyr 0.613 1.222 1.802