2025iwh

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Information

Transient

Name: SN2025iwh
Right ascension: 16h07m10.53s
Declination: -26d25m30.02s
Discovery Date: April 29, 2025, 9:25 a.m.
Classification: SN Ia-91bg-like
Redshift: 0.070000
MW E(B-V): 0.147

Host

Name: 2025iwh
Right ascension: 16h07m10.73s
Declination: -26d25m34.68s
Redshift: None
Photometric Redshift: 0.251
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 0.3
Transient MWEBV processed 0.11
Host match processed 5.63
Host information processed 0.12
Host MWEBV processed 0.05
Global aperture construction processed 2.44
Global aperture photometry processed 4.22
Validate global photometry processed 11.66
Global host SED inference processed 412.91
Local aperture photometry processed 4.11
Validate local photometry processed 0.02
Local host SED inference processed 431.92
 

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) = 16h07m10.53s, -26d25m30.02s
semi major axis, semi minor axis (arcsec) = 1.5, 1.5
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 9.22 0.37 21.488 0.044 AB
PanSTARRS_r 11.51 0.65 21.247 0.061 AB
PanSTARRS_i 16.3 0.71 20.870 0.048 AB
PanSTARRS_z 17.7 1.15 20.780 0.070 AB
PanSTARRS_y 13.73 2.74 21.056 0.217 AB

Aperture details

RA, DEC (J2000) = 16h07m10.71s, -26d25m34.55s
semi major axis, semi minor axis (arcsec) = 4.08, 3.65
angle (degrees, anti-clockwise from east) = -15.66

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 20.66 0.95 20.612 0.050 AB
PanSTARRS_r 52.96 1.64 19.590 0.034 AB
PanSTARRS_i 78.82 1.81 19.158 0.025 AB
PanSTARRS_z 100.29 2.9 18.897 0.031 AB
PanSTARRS_y 131.58 6.89 18.602 0.057 AB
2MASS_J 193.48 115.67 17.288 0.649 Vega
2MASS_H 5.37 203.85 20.707 41.185 Vega
2MASS_K 702.71 205.62 14.945 0.318 Vega
WISE_W1 106.31 25.55 16.135 0.261 Vega
WISE_W2 72.67 21.9 15.908 0.327 Vega
WISE_W3 -107.6 67.79 Vega
WISE_W4 221.81 397.75 11.415 1.947 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})\, 8.030 8.282 8.450
{\rm log}_{10}({\rm SFR}) -1.620 -1.104 -0.401
{\rm log}_{10}({\rm sSFR}) -9.988 -9.334 -8.452
{\rm stellar\ age} 0.768 4.142 6.249

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.649 -1.024 -0.254
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.586 -1.043 -0.247

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.148 0.362 0.817
\delta -0.660 -0.232 0.159
\tau_1/\tau_2 0.710 1.104 1.500
Q_{PAH} 1.046 2.864 5.422
U_{min} 2.794 7.865 15.313
{\rm log}_{10}(\gamma_e)\, -3.095 -1.986 -0.837

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.428 -0.203 0.201
{\rm log}_{10}(\tau_{AGN})\, 1.113 1.512 1.966

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.752 -1.388 -1.072
0.03-0.10 Gyr -1.702 -1.044 -0.259
0.10-0.33 Gyr -1.863 -1.101 -0.642
0.33-1.07 Gyr -2.665 -1.307 -0.960
1.07-3.52 Gyr -3.467 -1.743 -1.337
3.52-11.55 Gyr -3.842 -1.949 -1.506
11.55-12.83 Gyr -3.791 -1.994 -1.365

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.419 9.550 9.669
{\rm log}_{10}({\rm SFR}) -1.625 -1.060 -0.611
{\rm log}_{10}({\rm sSFR}) -11.182 -10.599 -10.077
{\rm stellar\ age} 6.443 7.787 10.960

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.694 -0.297 -0.041
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.792 0.125 0.355

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.335 0.539 0.789
\delta -0.652 -0.296 0.101
\tau_1/\tau_2 0.623 0.982 1.361
Q_{PAH} 1.511 3.385 5.338
U_{min} 3.101 8.727 15.827
{\rm log}_{10}(\gamma_e)\, -2.548 -1.431 -0.435

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.113 -2.589 -1.457
{\rm log}_{10}(\tau_{AGN})\, 0.995 1.473 1.903

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.518 -0.919 -0.543
0.03-0.10 Gyr -2.184 -1.199 -0.608
0.10-0.33 Gyr -2.421 -1.248 -0.684
0.33-1.07 Gyr -2.748 -1.256 -0.672
1.07-3.52 Gyr -2.088 -0.821 -0.385
3.52-11.55 Gyr -1.027 -0.383 -0.196
11.55-12.83 Gyr -0.847 -0.102 0.675