2025aacu

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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:
 

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
not enough filters
 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 4.86
Cutout download processed 18.47
Global aperture construction processed 0.69
Local aperture photometry processed 6.48
Global aperture photometry processed 6.73
Validate local photometry processed 0.03
Validate global photometry processed 17.94
Host information processed 0.14
Global host SED inference processed 460.36
Local host SED inference not enough filters 20.32
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
Processing status blocked 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) = 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
 

Imaging data

 

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})\, 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