2025au

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Information

Transient

Name: AT2025au
Right ascension: 4h10m20.18s
Declination: 25d20m20.70s
Discovery Date: Jan. 2, 2025, 5:53 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.405

Host

Name: 2025au
Right ascension: 4h10m20.29s
Declination: 25d20m20.00s
Redshift: None
Photometric Redshift: 0.120
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.61
Cutout download processed 17.83
Global aperture construction processed 1.21
Local aperture photometry processed 6.35
Global aperture photometry processed 6.44
Validate local photometry no valid phot 0.03
Validate global photometry processed 20.23
Host information processed 0.12
Global host SED inference processed 918.44
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.08
Host MWEBV processed 0.09
Log transient processing status blocked 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) = 4h10m20.18s, 25d20m20.70s
semi major axis, semi minor axis (arcsec) = 0.93, 0.93
angle (degrees, anti-clockwise from east) = 0.0

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

Aperture details

RA, DEC (J2000) = 4h10m20.35s, 25d20m19.48s
semi major axis, semi minor axis (arcsec) = 4.72, 1.92
angle (degrees, anti-clockwise from east) = -138.59

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 1.15 2.12 23.744 1.999
GALEX_NUV 4.81 2.08 22.194 0.469
SDSS_u 4.57 1.99 22.251 0.472
SDSS_g 16.9 1.35 20.830 0.087
PanSTARRS_g 14.37 0.8 21.006 0.060
SDSS_r 22.55 1.81 20.517 0.087
PanSTARRS_r 24.21 1.0 20.440 0.045
SDSS_i 33.74 2.38 20.080 0.076
PanSTARRS_i 32.62 1.06 20.116 0.035
PanSTARRS_z 38.06 1.9 19.949 0.054
SDSS_z 40.12 7.56 19.892 0.205
PanSTARRS_y 48.02 4.81 19.696 0.109
2MASS_J 153.24 98.4 17.542 0.697
2MASS_H -84.18 167.19
2MASS_K -96.65 152.95
WISE_W1 64.74 13.44 16.673 0.225
WISE_W2 39.11 16.95 16.580 0.471
WISE_W3 65.85 78.7 14.180 1.298
WISE_W4 -962.29 565.49
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.758 8.988 9.184
{\rm log}_{10}({\rm SFR}) -2.210 -0.229 0.707
{\rm log}_{10}({\rm sSFR}) -11.234 -9.211 -8.033
{\rm stellar\ age} 0.144 0.224 1.164

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.630 -1.125 0.003
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.555 -0.652 0.101

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.144 0.379 0.725
\delta -0.645 -0.143 0.250
\tau_1/\tau_2 0.505 1.024 1.557
Q_{PAH} 1.698 3.727 5.667
U_{min} 4.158 11.095 18.598
{\rm log}_{10}(\gamma_e)\, -2.881 -1.575 -0.436

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.375 -1.487 -0.594
{\rm log}_{10}(\tau_{AGN})\, 0.976 1.410 1.887

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.883 -1.753 -0.617
0.03-0.10 Gyr -2.689 -0.127 0.868
0.10-0.32 Gyr -1.103 0.556 0.872
0.32-1.05 Gyr -3.912 -2.282 -0.291
1.05-3.39 Gyr -7.297 -4.509 -1.801
3.39-10.99 Gyr -8.678 -5.035 -2.184
10.99-12.21 Gyr -9.050 -4.882 -1.835