2025gwg

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Information

Transient

Name: AT2025gwg
Right ascension: 9h33m55.30s
Declination: 5d39m40.75s
Discovery Date: March 29, 2025, 2:12 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.032

Host

Name: 2025gwg
Right ascension: 9h33m55.88s
Declination: 5d39m36.49s
Redshift: 0.111445
Photometric Redshift: 0.120
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.0
Cutout download processed 23.54
Global aperture construction processed 0.64
Local aperture photometry processed 6.79
Global aperture photometry processed 7.08
Validate local photometry processed 0.03
Validate global photometry processed 19.18
Host information processed 0.08
Global host SED inference processed 414.94
Local host SED inference not enough filters 19.66
Transient information processed 0.0
Transient MWEBV processed 0.04
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) = 9h33m55.30s, 5d39m40.75s
semi major axis, semi minor axis (arcsec) = 0.99, 0.99
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 9.04 0.7 21.509 0.084 AB

Aperture details

RA, DEC (J2000) = 9h33m55.87s, 5d39m36.50s
semi major axis, semi minor axis (arcsec) = 10.56, 7.14
angle (degrees, anti-clockwise from east) = -135.89

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 14.0 1.03 21.035 0.080 AB
GALEX_NUV 20.31 0.88 20.631 0.047 AB
SDSS_u 93.32 6.96 18.975 0.081 AB
SDSS_g 403.43 5.74 17.386 0.015 AB
DES_g 443.52 1.33 17.283 0.003 AB
PanSTARRS_g 444.98 1.78 17.279 0.004 AB
SDSS_r 946.19 8.71 16.460 0.010 AB
DES_r 1046.9 2.53 16.350 0.003 AB
SDSS_i 1394.28 11.36 16.039 0.009 AB
PanSTARRS_z 1767.73 5.74 15.781 0.004 AB
SDSS_z 1807.97 27.4 15.757 0.016 AB
DES_z 1881.72 9.32 15.714 0.005 AB
PanSTARRS_y 2033.02 12.81 15.630 0.007 AB
2MASS_J 2468.14 231.86 14.524 0.102 Vega
2MASS_H 3354.66 313.08 13.718 0.101 Vega
2MASS_K 4065.83 426.97 13.039 0.114 Vega
WISE_W1 1575.31 26.92 13.208 0.019 Vega
WISE_W3 443.53 111.31 12.109 0.272 Vega
WISE_W4 819.64 674.28 9.996 0.893 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})\, 11.060 11.088 11.146
{\rm log}_{10}({\rm SFR}) -0.226 0.031 0.264
{\rm log}_{10}({\rm sSFR}) -11.346 -11.086 -10.847
{\rm stellar\ age} 7.258 7.862 10.185

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.437 -0.275 -0.144
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.347 -0.539 0.085

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.111 0.185 0.287
\delta -0.804 -0.493 -0.152
\tau_1/\tau_2 0.622 0.995 1.373
Q_{PAH} 0.375 1.104 2.552
U_{min} 2.913 7.624 15.151
{\rm log}_{10}(\gamma_e)\, -2.810 -1.653 -0.782

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.425 -1.977 -1.451
{\rm log}_{10}(\tau_{AGN})\, 0.969 1.285 1.702

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.092 0.155 0.355
0.03-0.10 Gyr -0.696 -0.087 0.285
0.10-0.32 Gyr -0.883 -0.152 0.214
0.32-1.05 Gyr -0.846 -0.125 0.278
1.05-3.42 Gyr -0.426 0.393 0.862
3.42-11.08 Gyr 0.922 1.298 1.382
11.08-12.31 Gyr 1.000 1.529 2.140