2025aczu

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Information

Transient

Name: AT2025aczu
Right ascension: 4h22m41.36s
Declination: -51d28m58.40s
Discovery Date: Nov. 11, 2025, 1:39 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.010

Host

Name: 14995
Right ascension: 4h22m42.22s
Declination: -51d29m08.79s
Redshift: 0.041749
Photometric Redshift:
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 4.08
Transient MWEBV processed 0.07
Host match processed 4.03
Host information processed 0.19
Host MWEBV processed 0.06
Global aperture construction processed 0.13
Global aperture photometry processed 1.51
Validate global photometry processed 1.75
Global host SED inference processed 995.9
Local aperture photometry processed 1.59
Validate local photometry processed 0.01
Local host SED inference not enough filters 18.49
 

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) = 4h22m41.36s, -51d28m58.40s
semi major axis, semi minor axis (arcsec) = 2.43, 2.43
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 81.83 1.08 19.118 0.014 AB

Aperture details

RA, DEC (J2000) = 4h22m42.26s, -51d29m08.59s
semi major axis, semi minor axis (arcsec) = 16.37, 13.51
angle (degrees, anti-clockwise from east) = -122.4

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 46.98 6.72 19.720 0.155 AB
GALEX_NUV 62.9 5.47 19.403 0.094 AB
DES_z 15759.18 12.71 13.406 0.001 AB
2MASS_J 24076.96 396.75 12.051 0.018 Vega
2MASS_H 30038.53 560.16 11.338 0.020 Vega
2MASS_K 25594.62 569.85 11.042 0.024 Vega
WISE_W1 11168.81 47.65 11.081 0.005 Vega
WISE_W2 6201.75 38.99 11.080 0.007 Vega
WISE_W3 1923.23 52.67 10.516 0.030 Vega
WISE_W4 781.35 294.53 10.048 0.409 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

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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})\, 11.093 11.159 11.281
{\rm log}_{10}({\rm SFR}) -1.648 -1.171 -0.800
{\rm log}_{10}({\rm sSFR}) -12.812 -12.338 -11.981
{\rm stellar\ age} 7.706 8.827 12.447

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.414 -0.217 -0.069
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.481 -0.682 0.053

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.019 0.072 0.167
\delta -0.636 -0.088 0.227
\tau_1/\tau_2 0.350 0.793 1.254
Q_{PAH} 0.379 1.221 3.212
U_{min} 2.079 6.454 13.795
{\rm log}_{10}(\gamma_e)\, -3.454 -2.614 -1.396

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.660 -4.029 -3.188
{\rm log}_{10}(\tau_{AGN})\, 1.086 1.601 1.962

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.620 -1.090 -0.775
0.03-0.10 Gyr -2.400 -1.335 -0.770
0.10-0.33 Gyr -2.520 -1.281 -0.572
0.33-1.09 Gyr -2.515 -0.985 -0.217
1.09-3.60 Gyr -1.983 -0.247 0.973
3.60-11.88 Gyr -0.354 1.220 1.409
11.88-13.20 Gyr 0.894 1.696 2.397