2025chh results

Information

Transient
Name:SN2025chh
Right ascension: 14h20m25.98s
Declination:25d53m04.29s
Discovery Date:Feb. 22, 2025, 1:54 a.m.
Classification:SN Ia
Redshift:0.068000
MW E(B-V):0.015
Host
Name:2025chh
Right ascension: 14h20m26.34s
Declination:25d52m49.25s
Redshift:None
Photometric Redshift:0.404
 

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_r
DES_z
DES_g
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 14.65
Transient MWEBV processed 0.04
Host match processed 2.02
Host information processed 0.09
Host MWEBV processed 0.04
Global aperture construction processed 0.89
Global aperture photometry processed 4.75
Validate global photometry processed 12.56
Global host SED inference processed 412.75
Local aperture photometry processed 4.85
Validate local photometry processed 0.02
Local host SED inference processed 468.64
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):14h20m25.98s, 25d53m04.29s
semi major axis, semi minor axis (arcsec):1.54, 1.54
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 7.31 1.67 21.740 0.248 AB
SDSS_g 10.56 0.94 21.340 0.096 AB
PanSTARRS_g 11.03 0.44 21.293 0.043 AB
SDSS_r 15.23 1.21 20.943 0.086 AB
PanSTARRS_r 13.54 0.57 21.071 0.046 AB
DES_r 17.09 0.32 20.818 0.020 AB
SDSS_i 16.23 1.69 20.874 0.113 AB
PanSTARRS_i 15.85 0.62 20.900 0.043 AB
PanSTARRS_z 16.04 1.15 20.887 0.078 AB
SDSS_z 16.42 5.0 20.861 0.330 AB
DES_z 20.09 0.91 20.643 0.049 AB
PanSTARRS_y 16.67 2.92 20.845 0.190 AB

Aperture details

RA, DEC (J2000):14h20m26.33s, 25d52m48.79s
semi major axis, semi minor axis (arcsec):4.17, 2.48
angle (degrees, anti-clockwise from east):-129.25
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.37 1.25 23.557 0.992 AB
GALEX_NUV 6.61 2.22 21.850 0.364 AB
PanSTARRS_g 8.53 0.91 21.573 0.116 AB
PanSTARRS_r 14.23 1.19 21.017 0.091 AB
DES_r 16.21 0.44 20.875 0.029 AB
PanSTARRS_i 19.14 1.28 20.695 0.073 AB
PanSTARRS_z 22.13 2.36 20.538 0.116 AB
DES_z 23.78 1.26 20.459 0.057 AB
PanSTARRS_y 20.36 5.93 20.628 0.316 AB
2MASS_J 3.8 84.86 21.555 24.236 Vega
2MASS_H 16.56 117.18 19.485 7.683 Vega
2MASS_K 51.72 132.09 17.778 2.773 Vega
WISE_W1 29.85 5.97 17.514 0.217 Vega
WISE_W2 15.06 9.26 17.617 0.668 Vega
WISE_W3 10.48 36.78 16.175 3.811 Vega
WISE_W4 621.76 337.47 10.296 0.589 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.954 8.169 8.368
{\rm log}_{10}({\rm SFR}) -2.367 -1.405 -0.340
{\rm log}_{10}({\rm sSFR}) -10.533 -9.615 -8.228
{\rm stellar\ age} 0.243 2.972 5.886

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.671 -1.111 -0.256
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.669 -0.839 0.126

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.140 0.405 0.997
\delta -0.568 -0.195 0.177
\tau_1/\tau_2 0.657 1.098 1.522
Q_{PAH} 1.271 2.994 5.191
U_{min} 3.530 9.727 17.282
{\rm log}_{10}(\gamma_e)\, -2.961 -1.914 -0.741

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.907 -0.165 0.243
{\rm log}_{10}(\tau_{AGN})\, 1.087 1.554 1.981

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.263 -1.913 -1.319
0.03-0.10 Gyr -2.583 -1.351 -0.183
0.10-0.33 Gyr -2.078 -1.053 -0.444
0.33-1.08 Gyr -3.642 -1.446 -0.950
1.08-3.53 Gyr -5.041 -2.041 -1.438
3.53-11.57 Gyr -5.926 -2.433 -1.658
11.57-12.85 Gyr -5.995 -2.297 -1.488

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.354 8.615 8.760
{\rm log}_{10}({\rm SFR}) -2.073 -1.452 -0.803
{\rm log}_{10}({\rm sSFR}) -10.736 -10.059 -9.262
{\rm stellar\ age} 3.227 6.357 8.176

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.523 -0.989 -0.369
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.655 -0.886 0.136

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.322 0.712 1.060
\delta -0.374 -0.067 0.227
\tau_1/\tau_2 0.695 1.064 1.437
Q_{PAH} 1.368 3.022 4.847
U_{min} 3.147 8.458 15.654
{\rm log}_{10}(\gamma_e)\, -2.758 -1.660 -0.653

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.570 -0.763 -0.069
{\rm log}_{10}(\tau_{AGN})\, 1.141 1.508 1.893

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.308 -1.506 -1.006
0.03-0.10 Gyr -2.242 -1.484 -0.720
0.10-0.33 Gyr -2.244 -1.422 -0.769
0.33-1.08 Gyr -2.323 -1.465 -0.949
1.08-3.53 Gyr -2.240 -1.416 -1.092
3.53-11.57 Gyr -2.304 -1.379 -1.104
11.57-12.85 Gyr -2.469 -1.353 -0.700