2025fdw

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Information

Transient

Name: AT2025fdw
Right ascension: 15h05m20.26s
Declination: 31d27m46.25s
Discovery Date: March 21, 2025, 12:12 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.016

Host

Name: 2025fdw
Right ascension: 15h05m20.36s
Declination: 31d27m46.87s
Redshift: None
Photometric Redshift: 0.155
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.71
Cutout download processed 20.38
Global aperture construction processed 0.64
Local aperture photometry processed 7.43
Global aperture photometry processed 7.67
Validate local photometry no valid phot 0.03
Validate global photometry processed 21.68
Host information processed 0.09
Global host SED inference processed 432.17
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.07
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) = 15h05m20.26s, 31d27m46.25s
semi major axis, semi minor axis (arcsec) = 0.75, 0.75
angle (degrees, anti-clockwise from east) = 0.0

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

Aperture details

RA, DEC (J2000) = 15h05m20.36s, 31d27m47.16s
semi major axis, semi minor axis (arcsec) = 8.25, 3.87
angle (degrees, anti-clockwise from east) = -155.18

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 19.74 3.38 20.662 0.186 AB
GALEX_NUV 21.88 1.7 20.550 0.084 AB
SDSS_u 23.55 4.24 20.470 0.196 AB
SDSS_g 83.83 2.83 19.092 0.037 AB
DES_g 89.73 1.35 19.018 0.016 AB
PanSTARRS_g 98.01 1.54 18.922 0.017 AB
SDSS_r 102.01 3.58 18.878 0.038 AB
PanSTARRS_r 106.01 1.93 18.837 0.020 AB
DES_r 113.96 2.56 18.758 0.024 AB
SDSS_i 141.63 5.09 18.522 0.039 AB
PanSTARRS_i 126.32 1.59 18.646 0.014 AB
PanSTARRS_z 129.31 3.66 18.621 0.031 AB
SDSS_z 152.89 16.71 18.439 0.119 AB
DES_z 135.84 4.09 18.567 0.033 AB
PanSTARRS_y 120.87 10.53 18.694 0.095 AB
2MASS_J 121.82 119.64 17.791 1.066 Vega
2MASS_H -1.32 186.34 Vega
2MASS_K 329.38 222.96 15.768 0.735 Vega
WISE_W1 57.63 7.12 16.799 0.134 Vega
WISE_W2 17.8 9.47 17.435 0.578 Vega
WISE_W3 100.96 32.38 13.716 0.348 Vega
WISE_W4 315.88 237.23 11.031 0.815 Vega
 

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})\, 9.434 9.544 9.675
{\rm log}_{10}({\rm SFR}) -0.651 -0.209 0.158
{\rm log}_{10}({\rm sSFR}) -10.205 -9.782 -9.396
{\rm stellar\ age} 0.418 0.701 2.049

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.401 -0.765 -0.271
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.223 -0.099 0.173

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.065 0.136 0.260
\delta -0.508 -0.146 0.191
\tau_1/\tau_2 0.507 0.898 1.293
Q_{PAH} 0.538 1.478 3.076
U_{min} 2.723 7.940 15.132
{\rm log}_{10}(\gamma_e)\, -2.975 -1.952 -0.899

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.127 -2.476 -1.412
{\rm log}_{10}(\tau_{AGN})\, 1.008 1.431 1.873

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.481 -0.191 0.032
0.03-0.10 Gyr -1.938 -0.265 0.234
0.10-0.32 Gyr 0.265 0.743 1.122
0.32-1.03 Gyr -0.323 0.657 0.844
1.03-3.31 Gyr -3.525 -1.832 -0.568
3.31-10.62 Gyr -4.444 -2.220 -0.901
10.62-11.80 Gyr -4.686 -2.157 -0.832