2025xgw

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Information

Transient

Name: AT2025xgw
Right ascension: 21h33m16.20s
Declination: 1d08m31.12s
Discovery Date: Sept. 11, 2025, 9:17 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.044

Host

Name: SDSSJ213316.06+01083
Right ascension: 21h33m16.08s
Declination: 1d08m32.28s
Redshift: 0.124630
Photometric Redshift: 0.123
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.54
Transient MWEBV processed 0.1
Host match processed 3.82
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 6.04
Validate global photometry processed 18.15
Global host SED inference processed 2858.78
Local aperture photometry processed 6.54
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) = 21h33m16.20s, 1d08m31.12s
semi major axis, semi minor axis (arcsec) = 0.9, 0.9
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) = 21h33m15.93s, 1d08m33.03s
semi major axis, semi minor axis (arcsec) = 10.46, 3.45
angle (degrees, anti-clockwise from east) = -72.19

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.47 0.47 22.920 0.207 AB
GALEX_NUV 4.74 0.5 22.209 0.115 AB
SDSS_u 55.63 5.31 19.537 0.104 AB
SDSS_g 298.53 4.8 17.713 0.017 AB
DES_g 336.63 0.67 17.582 0.002 AB
PanSTARRS_g 362.08 1.74 17.503 0.005 AB
SDSS_r 853.82 8.2 16.572 0.010 AB
PanSTARRS_r 881.67 1.75 16.537 0.002 AB
DES_r 923.33 1.24 16.487 0.001 AB
SDSS_i 1341.72 10.92 16.081 0.009 AB
PanSTARRS_i 1350.79 1.61 16.074 0.001 AB
PanSTARRS_z 1752.02 4.61 15.791 0.003 AB
SDSS_z 1838.41 22.78 15.739 0.013 AB
PanSTARRS_y 2044.03 12.33 15.624 0.007 AB
2MASS_J 2252.98 162.98 14.623 0.079 Vega
2MASS_H 3335.51 256.97 13.724 0.084 Vega
2MASS_K 2951.26 283.61 13.387 0.104 Vega
WISE_W1 1191.37 23.03 13.511 0.021 Vega
WISE_W2 691.63 30.68 13.461 0.048 Vega
WISE_W3 343.15 98.14 12.387 0.310 Vega
WISE_W4 408.39 505.84 10.752 1.345 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})\, 11.307 11.338 11.367
{\rm log}_{10}({\rm SFR}) -0.898 -0.265 0.309
{\rm log}_{10}({\rm sSFR}) -12.292 -11.616 -11.038
{\rm stellar\ age} 11.261 11.534 11.547

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.110 -0.933 -0.790
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.338 -0.686 -0.111

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.282 0.356 0.449
\delta -0.957 -0.857 -0.716
\tau_1/\tau_2 0.545 1.114 1.650
Q_{PAH} 0.194 0.617 1.443
U_{min} 4.274 11.050 18.817
{\rm log}_{10}(\gamma_e)\, -2.935 -1.600 -0.884

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.608 -3.747 -2.832
{\rm log}_{10}(\tau_{AGN})\, 1.023 1.562 1.967

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.102 -0.201 0.409
0.03-0.10 Gyr -3.225 -0.974 0.262
0.10-0.32 Gyr -6.175 -3.794 -1.242
0.32-1.05 Gyr -7.939 -5.277 -2.246
1.05-3.38 Gyr -5.206 -3.404 -1.635
3.38-10.94 Gyr -2.078 -1.075 0.474
10.94-12.16 Gyr 2.461 2.507 2.535