2025ahvg

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Information

Transient

Name: SN2025ahvg
Right ascension: 0h23m08.86s
Declination: -24d40m51.53s
Discovery Date: Dec. 20, 2025, 2:22 a.m.
Classification: SN Ia
Redshift: 0.122000
MW E(B-V): 0.015

Host

Name:
Right ascension: 0h23m08.86s
Declination: -24d40m50.92s
Redshift: None
Photometric Redshift: 0.147
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 1.13
Transient MWEBV processed 0.08
Host match processed 5.85
Host information processed 0.12
Host MWEBV processed 0.06
Global aperture construction processed 0.79
Global aperture photometry processed 5.6
Validate global photometry processed 2.53
Global host SED inference processed 410.28
Local aperture photometry processed 5.31
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) = 0h23m08.86s, -24d40m51.53s
semi major axis, semi minor axis (arcsec) = 0.91, 0.91
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) = 0h23m08.84s, -24d40m50.82s
semi major axis, semi minor axis (arcsec) = 5.79, 2.18
angle (degrees, anti-clockwise from east) = -175.29

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.98 0.37 23.926 0.410 AB
GALEX_NUV 2.87 0.48 22.754 0.180 AB
DES_g 89.42 0.54 19.021 0.007 AB
PanSTARRS_g 86.01 0.82 19.064 0.010 AB
PanSTARRS_r 160.08 1.12 18.389 0.008 AB
DES_r 182.74 0.87 18.245 0.005 AB
PanSTARRS_i 234.62 1.26 17.974 0.006 AB
PanSTARRS_z 281.16 3.18 17.778 0.012 AB
DES_z 313.24 4.71 17.660 0.016 AB
PanSTARRS_y 323.23 6.84 17.626 0.023 AB
2MASS_J 325.9 89.23 16.722 0.297 Vega
2MASS_H 572.46 145.8 15.638 0.277 Vega
2MASS_K 822.53 155.12 14.774 0.205 Vega
WISE_W1 306.3 12.87 14.986 0.046 Vega
WISE_W2 274.71 15.55 14.464 0.061 Vega
WISE_W3 1239.11 80.07 10.993 0.070 Vega
WISE_W4 2674.24 566.9 8.712 0.230 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})\, 10.072 10.166 10.288
{\rm log}_{10}({\rm SFR}) -1.183 -0.266 0.375
{\rm log}_{10}({\rm sSFR}) -11.501 -10.418 -9.734
{\rm stellar\ age} 2.985 5.301 6.731

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.970 -0.476 -0.161
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.631 -0.508 0.273

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.355 0.552 0.796
\delta -0.758 -0.456 -0.011
\tau_1/\tau_2 0.651 0.964 1.299
Q_{PAH} 1.045 2.991 5.228
U_{min} 2.676 7.564 15.236
{\rm log}_{10}(\gamma_e)\, -2.873 -1.704 -0.822

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.834 -1.134 -0.706
{\rm log}_{10}(\tau_{AGN})\, 1.011 1.433 1.816

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.449 -0.374 0.033
0.03-0.10 Gyr -1.481 -0.292 0.483
0.10-0.32 Gyr -1.163 0.135 0.703
0.32-1.05 Gyr -0.433 0.397 0.795
1.05-3.39 Gyr 0.031 0.405 0.694
3.39-10.97 Gyr -0.613 0.150 0.407
10.97-12.19 Gyr -1.041 0.062 0.617