2025agat

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Information

Transient

Name: AT2025agat
Right ascension: 1h48m26.90s
Declination: -17d07m56.32s
Discovery Date: Dec. 7, 2025, 10:30 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.014

Host

Name:
Right ascension: 1h48m26.95s
Declination: -17d07m56.37s
Redshift: None
Photometric Redshift: 0.168
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 20.93
Transient MWEBV processed 0.05
Host match processed 7.73
Host information processed 0.18
Host MWEBV processed 0.06
Global aperture construction processed 0.65
Global aperture photometry processed 6.38
Validate global photometry processed 17.79
Global host SED inference processed 429.06
Local aperture photometry processed 6.46
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) = 1h48m26.90s, -17d07m56.32s
semi major axis, semi minor axis (arcsec) = 0.7, 0.7
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) = 1h48m26.91s, -17d07m56.19s
semi major axis, semi minor axis (arcsec) = 4.38, 1.25
angle (degrees, anti-clockwise from east) = -157.63

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.49 1.36 22.543 0.423 AB
GALEX_NUV 9.08 1.43 21.505 0.171 AB
SDSS_u 10.34 2.5 21.364 0.263 AB
SDSS_g 17.97 1.29 20.763 0.078 AB
DES_g 17.38 0.14 20.800 0.009 AB
PanSTARRS_g 20.9 0.58 20.600 0.030 AB
SDSS_r 30.71 1.79 20.182 0.063 AB
PanSTARRS_r 29.82 0.73 20.214 0.026 AB
DES_r 28.06 0.2 20.280 0.008 AB
SDSS_i 35.87 2.35 20.013 0.071 AB
PanSTARRS_i 33.7 0.57 20.081 0.018 AB
PanSTARRS_z 39.02 1.37 19.922 0.038 AB
SDSS_z 51.25 6.92 19.626 0.147 AB
DES_z 35.2 0.7 20.034 0.022 AB
PanSTARRS_y 30.3 3.46 20.196 0.124 AB
2MASS_J 58.11 89.89 18.595 1.680 Vega
2MASS_H 223.21 155.86 16.661 0.758 Vega
2MASS_K 8.07 157.57 19.795 21.195 Vega
WISE_W1 51.13 6.8 16.929 0.144 Vega
WISE_W2 43.71 10.99 16.459 0.273 Vega
WISE_W3 136.54 49.41 13.388 0.393 Vega
WISE_W4 132.6 351.9 11.974 2.881 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})\, 9.179 9.440 9.596
{\rm log}_{10}({\rm SFR}) -0.080 0.297 0.635
{\rm log}_{10}({\rm sSFR}) -9.588 -9.193 -8.624
{\rm stellar\ age} 2.274 4.776 6.281

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.568 -0.894 -0.244
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.423 -0.955 -0.316

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.301 0.630 0.873
\delta 0.080 0.271 0.364
\tau_1/\tau_2 0.823 1.217 1.599
Q_{PAH} 1.644 3.574 5.277
U_{min} 3.329 8.296 14.914
{\rm log}_{10}(\gamma_e)\, -3.011 -2.040 -1.017

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.684 -1.669 -0.587
{\rm log}_{10}(\tau_{AGN})\, 1.047 1.438 1.877

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.408 -0.065 0.218
0.03-0.10 Gyr -0.028 0.392 0.750
0.10-0.32 Gyr -0.375 0.115 0.490
0.32-1.02 Gyr -1.107 -0.362 -0.015
1.02-3.28 Gyr -1.194 -0.513 -0.217
3.28-10.49 Gyr -1.375 -0.591 -0.303
10.49-11.65 Gyr -1.619 -0.567 -0.008