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Information

Transient

Name: AT2025www
Right ascension: 8h53m59.66s
Declination: 29d05m04.19s
Discovery Date: Aug. 30, 2025, 12:23 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.025

Host

Name:
Right ascension: 8h53m59.66s
Declination: 29d05m04.08s
Redshift: 0.089133
Photometric Redshift: 0.106
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 28.43
Transient MWEBV processed 0.04
Host match processed 5.43
Host information processed 0.16
Host MWEBV processed 0.05
Global aperture construction processed 0.7
Global aperture photometry processed 5.99
Validate global photometry processed 17.01
Global host SED inference processed 463.33
Local aperture photometry processed 6.57
Validate local photometry processed 0.03
Local host SED inference processed 554.53
 

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) = 8h53m59.66s, 29d05m04.19s
semi major axis, semi minor axis (arcsec) = 1.2, 1.2
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 37.36 0.44 19.969 0.013 AB
PanSTARRS_r 102.39 0.38 18.874 0.004 AB
DES_r 112.79 1.22 18.769 0.012 AB
PanSTARRS_i 139.48 0.49 18.539 0.004 AB
PanSTARRS_z 188.58 0.81 18.211 0.005 AB
DES_z 218.41 3.51 18.052 0.017 AB
PanSTARRS_y 221.94 1.81 18.034 0.009 AB

Aperture details

RA, DEC (J2000) = 8h53m59.65s, 29d05m04.30s
semi major axis, semi minor axis (arcsec) = 3.83, 3.5
angle (degrees, anti-clockwise from east) = -74.02

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.2 0.28 25.638 1.482 AB
GALEX_NUV 0.99 0.41 23.916 0.457 AB
SDSS_u 9.12 2.67 21.500 0.318 AB
SDSS_g 72.27 2.45 19.253 0.037 AB
DES_g 79.9 0.68 19.144 0.009 AB
PanSTARRS_g 80.99 0.88 19.129 0.012 AB
SDSS_r 171.56 3.76 18.314 0.024 AB
PanSTARRS_r 175.17 0.99 18.291 0.006 AB
DES_r 192.05 1.67 18.191 0.009 AB
SDSS_i 252.34 4.84 17.895 0.021 AB
PanSTARRS_i 251.83 1.36 17.897 0.006 AB
PanSTARRS_z 322.28 2.28 17.629 0.008 AB
SDSS_z 332.14 10.87 17.597 0.036 AB
DES_z 356.9 4.62 17.519 0.014 AB
PanSTARRS_y 358.72 5.31 17.513 0.016 AB
2MASS_J 332.28 114.38 16.701 0.374 Vega
2MASS_H 658.31 196.71 15.486 0.324 Vega
2MASS_K 603.75 191.5 15.110 0.344 Vega
WISE_W1 189.81 10.73 15.505 0.061 Vega
WISE_W2 121.87 16.46 15.346 0.147 Vega
WISE_W3 147.65 95.65 13.303 0.703 Vega
WISE_W4 -153.92 530.46 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.050 10.153 10.240
{\rm log}_{10}({\rm SFR}) -1.420 -0.761 -0.242
{\rm log}_{10}({\rm sSFR}) -11.593 -10.918 -10.382
{\rm stellar\ age} 8.150 11.624 11.944

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.079 -0.702 -0.401
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.641 -0.595 0.161

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.453 0.768 1.064
\delta -0.491 -0.200 0.051
\tau_1/\tau_2 0.624 1.055 1.523
Q_{PAH} 0.833 2.512 4.826
U_{min} 3.218 8.682 16.166
{\rm log}_{10}(\gamma_e)\, -3.208 -2.249 -1.045

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.979 -1.362 -0.635
{\rm log}_{10}(\tau_{AGN})\, 0.993 1.373 1.880

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.245 -0.463 0.100
0.03-0.10 Gyr -3.454 -1.469 -0.586
0.10-0.33 Gyr -5.412 -2.474 -1.018
0.33-1.06 Gyr -6.448 -2.938 -1.082
1.06-3.47 Gyr -5.079 -2.812 -0.954
3.47-11.33 Gyr -2.609 -0.730 0.274
11.33-12.59 Gyr 0.487 1.269 1.381

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.108 10.186 10.280
{\rm log}_{10}({\rm SFR}) -2.068 -1.057 -0.453
{\rm log}_{10}({\rm sSFR}) -12.293 -11.238 -10.647
{\rm stellar\ age} 7.382 9.298 11.887

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.307 -0.959 -0.715
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.625 -0.638 0.230

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.265 0.430 0.607
\delta -0.897 -0.709 -0.454
\tau_1/\tau_2 0.630 1.063 1.492
Q_{PAH} 0.805 2.197 4.227
U_{min} 3.283 9.188 16.736
{\rm log}_{10}(\gamma_e)\, -2.074 -1.037 -0.331

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.690 -2.126 -1.317
{\rm log}_{10}(\tau_{AGN})\, 1.138 1.624 1.945

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.164 -1.511 -0.871
0.03-0.10 Gyr -2.424 -1.031 -0.333
0.10-0.33 Gyr -3.128 -1.213 -0.441
0.33-1.06 Gyr -4.218 -1.569 -0.608
1.06-3.47 Gyr -3.285 -1.180 -0.134
3.47-11.33 Gyr -1.728 0.139 0.414
11.33-12.59 Gyr 0.049 1.000 1.426