2025chh

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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
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 2.02
Cutout download processed 14.65
Global aperture construction processed 0.89
Local aperture photometry processed 4.85
Global aperture photometry processed 4.75
Validate local photometry processed 0.02
Validate global photometry processed 12.56
Host information processed 0.09
Global host SED inference processed 412.75
Local host SED inference processed 468.64
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
Processing status completed N/A N/A
 

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) = 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
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

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