2025ahcl

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Information

Transient

Name: SN2025ahcl
Right ascension: 14h44m44.29s
Declination: 20d29m40.66s
Discovery Date: Dec. 15, 2025, 12:06 p.m.
Classification: SLSN-II
Redshift: 0.152000
MW E(B-V): 0.030

Host

Name:
Right ascension: 14h44m44.30s
Declination: 20d29m40.27s
Redshift: None
Photometric Redshift: 0.150
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.57
Transient MWEBV processed 0.05
Host match processed 7.95
Host information processed 0.13
Host MWEBV processed 0.06
Global aperture construction processed 0.63
Global aperture photometry processed 6.98
Validate global photometry processed 19.29
Global host SED inference processed 480.08
Local aperture photometry processed 6.65
Validate local photometry no valid phot 0.03
Local host SED inference not processed None
 

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) = 14h44m44.29s, 20d29m40.66s
semi major axis, semi minor axis (arcsec) = 0.76, 0.76
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 14h44m44.50s, 20d29m38.37s
semi major axis, semi minor axis (arcsec) = 2.68, 2.06
angle (degrees, anti-clockwise from east) = -72.58

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 6.92 3.41 21.799 0.535 AB
GALEX_NUV 8.19 2.25 21.617 0.299 AB
SDSS_u 6.76 1.87 21.825 0.300 AB
SDSS_g 11.98 1.08 21.204 0.098 AB
DES_g 12.72 0.22 21.138 0.019 AB
PanSTARRS_g 12.62 0.45 21.147 0.039 AB
SDSS_r 18.2 1.43 20.750 0.085 AB
PanSTARRS_r 17.57 0.48 20.788 0.029 AB
DES_r 18.04 0.48 20.759 0.029 AB
SDSS_i 18.26 1.86 20.746 0.110 AB
PanSTARRS_i 19.63 0.66 20.668 0.037 AB
PanSTARRS_z 19.32 1.32 20.685 0.074 AB
SDSS_z 32.58 5.82 20.118 0.194 AB
DES_z 18.24 1.11 20.748 0.066 AB
PanSTARRS_y 26.03 3.27 20.361 0.136 AB
2MASS_J -91.3 80.98 Vega
2MASS_H -18.5 119.98 Vega
2MASS_K -72.99 155.34 Vega
WISE_W1 12.71 8.04 18.441 0.687 Vega
WISE_W2 11.45 9.2 17.914 0.872 Vega
WISE_W3 -4.82 32.12 Vega
WISE_W4 54.32 196.12 12.943 3.920 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.518 8.799 9.047
{\rm log}_{10}({\rm SFR}) -0.290 0.131 0.497
{\rm log}_{10}({\rm sSFR}) -9.264 -8.640 -8.042
{\rm stellar\ age} 0.212 2.734 5.248

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.415 -0.685 -0.033
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.510 -0.994 -0.220

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.147 0.402 0.908
\delta -0.232 0.179 0.339
\tau_1/\tau_2 0.832 1.307 1.711
Q_{PAH} 0.912 2.642 4.866
U_{min} 3.380 9.582 16.729
{\rm log}_{10}(\gamma_e)\, -2.925 -1.674 -0.535

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.961 -0.616 -0.082
{\rm log}_{10}(\tau_{AGN})\, 1.095 1.387 1.739

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.817 -0.404 -0.070
0.03-0.10 Gyr -0.214 0.237 0.638
0.10-0.32 Gyr -1.548 -0.295 0.204
0.32-1.03 Gyr -3.172 -1.236 -0.512
1.03-3.32 Gyr -4.235 -1.519 -0.870
3.32-10.65 Gyr -4.482 -1.675 -0.995
10.65-11.84 Gyr -4.423 -1.650 -0.774