2025aacu results

Information

Transient
Name:AT2025aacu
Right ascension: 0h21m31.07s
Declination:-13d18m18.88s
Discovery Date:July 24, 2025, 1:55 p.m.
Classification:None
Redshift:None
MW E(B-V):0.032
Host
Name:939786
Right ascension: 0h21m31.03s
Declination:-13d18m15.10s
Redshift:0.110159
Photometric Redshift:None
 

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_r
DES_z
 DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 18.47
Transient MWEBV processed 0.04
Host match processed 4.86
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 0.69
Global aperture photometry processed 6.73
Validate global photometry processed 17.94
Global host SED inference processed 460.36
Local aperture photometry processed 6.48
Validate local photometry processed 0.03
Local host SED inference not enough filters 20.32
 

Imaging data


 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

RA, DEC (J2000):0h21m31.07s, -13d18m18.88s
semi major axis, semi minor axis (arcsec):1.0, 1.0
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 36.8 1.02 19.985 0.030 AB

Aperture details

RA, DEC (J2000):0h21m30.99s, -13d18m15.15s
semi major axis, semi minor axis (arcsec):8.11, 7.48
angle (degrees, anti-clockwise from east):-76.03
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 6.23 1.55 21.914 0.270 AB
GALEX_NUV 14.55 1.73 20.993 0.129 AB
SDSS_u 57.32 8.76 19.504 0.166 AB
SDSS_g 468.34 6.02 17.224 0.014 AB
DES_g 530.77 0.93 17.088 0.002 AB
PanSTARRS_g 530.12 1.75 17.089 0.004 AB
SDSS_r 1174.03 9.53 16.226 0.009 AB
PanSTARRS_r 1164.91 1.76 16.234 0.002 AB
DES_r 1303.97 2.87 16.112 0.002 AB
SDSS_i 1794.53 12.27 15.765 0.007 AB
PanSTARRS_i 1738.98 2.46 15.799 0.002 AB
PanSTARRS_z 2286.66 5.79 15.502 0.003 AB
SDSS_z 2506.41 32.17 15.402 0.014 AB
DES_z 2435.47 8.27 15.434 0.004 AB
PanSTARRS_y 2807.41 12.11 15.279 0.005 AB
2MASS_J 3958.26 181.07 14.011 0.050 Vega
2MASS_H 4427.11 291.4 13.417 0.071 Vega
2MASS_K 4927.86 330.52 12.831 0.073 Vega
WISE_W1 1781.86 26.85 13.074 0.016 Vega
WISE_W2 1125.02 31.61 12.933 0.031 Vega
WISE_W3 957.62 110.83 11.273 0.126 Vega
WISE_W4 1248.48 601.47 9.539 0.523 Vega
 

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})\, 11.199 11.274 11.327
{\rm log}_{10}({\rm SFR}) -0.159 0.227 0.590
{\rm log}_{10}({\rm sSFR}) -11.459 -11.040 -10.646
{\rm stellar\ age} 7.708 10.456 11.626

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.699 -0.518 -0.408
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.652 -0.652 0.187

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.200 0.278 0.406
\delta -0.917 -0.755 -0.534
\tau_1/\tau_2 0.498 0.954 1.411
Q_{PAH} 0.183 0.719 2.106
U_{min} 2.814 7.954 15.574
{\rm log}_{10}(\gamma_e)\, -2.986 -1.598 -0.894

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.481 -3.603 -2.625
{\rm log}_{10}(\tau_{AGN})\, 1.046 1.569 1.930

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.103 -0.038 0.274
0.03-0.10 Gyr -0.300 0.286 0.718
0.10-0.32 Gyr -0.964 0.078 0.549
0.32-1.05 Gyr -2.210 -0.244 0.310
1.05-3.42 Gyr -2.340 -0.301 0.394
3.42-11.10 Gyr -0.540 1.018 1.478
11.10-12.33 Gyr 1.478 2.305 2.477