2025ztm results

Information

Transient
Name:SN2025ztm
Right ascension: 10h31m00.46s
Declination:50d02m22.47s
Discovery Date:Oct. 11, 2025, 11:04 a.m.
Classification:SN Ia-91T-like
Redshift:0.070000
MW E(B-V):0.012
Host
Name:J103100.42+500221.95
Right ascension: 10h31m00.42s
Declination:50d02m21.95s
Redshift:None
Photometric Redshift:0.109
 

Cutout Download Report

Downloaded Unavailable
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_z
 DES_r
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 8.23
Transient MWEBV processed 0.08
Host match processed 6.26
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 6.65
Validate global photometry processed 17.13
Global host SED inference processed 494.61
Local aperture photometry processed 6.52
Validate local photometry processed 0.03
Local host SED inference processed 501.74
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):10h31m00.46s, 50d02m22.47s
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
SDSS_g 16.77 1.13 20.839 0.073 AB
DES_g 17.34 0.31 20.802 0.019 AB
PanSTARRS_g 17.32 0.3 20.804 0.019 AB
SDSS_r 25.02 1.43 20.404 0.062 AB
PanSTARRS_r 29.09 0.42 20.241 0.016 AB
SDSS_i 33.18 1.85 20.098 0.061 AB
PanSTARRS_i 33.54 0.3 20.086 0.010 AB
PanSTARRS_z 43.04 0.96 19.815 0.024 AB
SDSS_z 35.05 4.1 20.038 0.127 AB
DES_z 45.61 1.0 19.752 0.024 AB
PanSTARRS_y 36.15 2.29 20.005 0.069 AB

Aperture details

RA, DEC (J2000):10h31m00.40s, 50d02m22.20s
semi major axis, semi minor axis (arcsec):6.11, 3.37
angle (degrees, anti-clockwise from east):-114.57
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.29 1.66 22.608 0.549 AB
GALEX_NUV 7.19 0.51 21.758 0.078 AB
SDSS_u 10.36 3.12 21.362 0.327 AB
SDSS_g 44.15 2.16 19.788 0.053 AB
DES_g 43.9 0.52 19.794 0.013 AB
PanSTARRS_g 48.02 0.88 19.696 0.020 AB
SDSS_r 69.2 2.88 19.300 0.045 AB
PanSTARRS_r 73.53 1.23 19.234 0.018 AB
SDSS_i 86.17 4.19 19.062 0.053 AB
PanSTARRS_i 83.8 0.88 19.092 0.011 AB
PanSTARRS_z 93.96 2.85 18.968 0.033 AB
SDSS_z 85.79 11.91 19.066 0.151 AB
DES_z 100.56 1.8 18.894 0.019 AB
PanSTARRS_y 70.78 6.79 19.275 0.104 AB
2MASS_J 128.78 96.65 17.730 0.815 Vega
2MASS_H 38.84 149.02 18.559 4.165 Vega
2MASS_K 109.67 173.11 16.962 1.714 Vega
WISE_W1 46.21 8.14 17.039 0.191 Vega
WISE_W2 27.29 10.33 16.971 0.411 Vega
WISE_W3 42.89 50.31 14.645 1.273 Vega
WISE_W4 -251.28 337.62 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.713 8.832 8.934
{\rm log}_{10}({\rm SFR}) -2.860 -1.785 -1.101
{\rm log}_{10}({\rm sSFR}) -11.588 -10.619 -9.923
{\rm stellar\ age} 3.593 6.096 7.337

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.396 -0.743 -0.235
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.718 -1.102 -0.163

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.132 0.396 0.874
\delta -0.495 -0.055 0.236
\tau_1/\tau_2 0.643 1.031 1.382
Q_{PAH} 1.510 3.515 5.751
U_{min} 3.249 8.591 16.212
{\rm log}_{10}(\gamma_e)\, -2.871 -1.580 -0.511

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.188 -0.190 0.122
{\rm log}_{10}(\tau_{AGN})\, 1.155 1.691 2.042

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.352 -2.127 -1.426
0.03-0.10 Gyr -3.042 -1.782 -1.012
0.10-0.33 Gyr -2.076 -1.274 -0.623
0.33-1.07 Gyr -1.626 -1.058 -0.645
1.07-3.52 Gyr -1.596 -1.049 -0.811
3.52-11.55 Gyr -1.747 -1.124 -0.920
11.55-12.83 Gyr -2.009 -1.193 -0.701

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.084 9.197 9.294
{\rm log}_{10}({\rm SFR}) -1.618 -1.232 -0.863
{\rm log}_{10}({\rm sSFR}) -10.811 -10.441 -10.062
{\rm stellar\ age} 5.405 6.750 8.190

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.649 -1.227 -0.758
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.781 -1.113 0.144

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.041 0.180 0.471
\delta -0.429 0.058 0.308
\tau_1/\tau_2 0.615 0.967 1.308
Q_{PAH} 1.610 3.440 5.607
U_{min} 3.216 8.724 15.853
{\rm log}_{10}(\gamma_e)\, -2.617 -1.487 -0.466

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.921 -0.800 -0.456
{\rm log}_{10}(\tau_{AGN})\, 1.354 1.706 1.985

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.149 -1.537 -1.169
0.03-0.10 Gyr -1.649 -1.175 -0.752
0.10-0.33 Gyr -1.310 -0.892 -0.518
0.33-1.07 Gyr -1.297 -0.823 -0.493
1.07-3.52 Gyr -1.097 -0.754 -0.533
3.52-11.55 Gyr -1.033 -0.724 -0.557
11.55-12.83 Gyr -1.179 -0.645 -0.100