2025xfb results

Information

Transient
Name:AT2025xfb
Right ascension: 8h38m24.15s
Declination:15d11m02.96s
Discovery Date:Sept. 10, 2025, 12:28 p.m.
Classification:None
Redshift:None
MW E(B-V):0.024
Host
Name:1477586
Right ascension: 8h38m24.72s
Declination:15d11m05.96s
Redshift:0.069542
Photometric Redshift:0.069
 

Cutout Download Report

Downloaded Unavailable
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_z
 DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 18.9
Transient MWEBV processed 0.04
Host match processed 4.36
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 6.51
Validate global photometry processed 17.37
Global host SED inference processed 735.3
Local aperture photometry processed 6.79
Validate local photometry processed 0.03
Local host SED inference processed 535.75
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h38m24.15s, 15d11m02.96s
semi major axis, semi minor axis (arcsec):1.51, 1.51
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 2.37 0.68 22.962 0.313 AB
DES_g 2.25 0.13 23.018 0.061 AB
PanSTARRS_g 1.86 0.38 23.226 0.219 AB
SDSS_r 4.43 0.86 22.284 0.212 AB
PanSTARRS_r 4.16 0.37 22.352 0.096 AB
DES_r 3.64 0.25 22.496 0.075 AB
SDSS_i 4.45 1.17 22.279 0.286 AB
PanSTARRS_i 4.65 0.54 22.231 0.126 AB
PanSTARRS_z 6.02 1.16 21.952 0.210 AB
SDSS_z 10.3 3.85 21.367 0.405 AB
DES_z 6.25 0.65 21.911 0.113 AB
PanSTARRS_y 4.9 2.82 22.173 0.625 AB

Aperture details

RA, DEC (J2000):8h38m24.78s, 15d11m06.06s
semi major axis, semi minor axis (arcsec):11.85, 4.82
angle (degrees, anti-clockwise from east):-107.23
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 12.42 3.55 21.165 0.310 AB
GALEX_NUV 20.48 3.5 20.622 0.186 AB
SDSS_u 98.02 4.96 18.922 0.055 AB
SDSS_g 242.6 4.82 17.938 0.022 AB
DES_g 240.5 0.95 17.947 0.004 AB
PanSTARRS_g 238.42 1.9 17.957 0.009 AB
SDSS_r 430.15 6.28 17.316 0.016 AB
DES_r 439.68 1.98 17.292 0.005 AB
SDSS_i 561.53 7.97 17.027 0.015 AB
PanSTARRS_i 556.66 2.66 17.036 0.005 AB
PanSTARRS_z 620.78 5.82 16.918 0.010 AB
SDSS_z 697.96 20.04 16.790 0.031 AB
DES_z 651.66 5.32 16.865 0.009 AB
PanSTARRS_y 717.77 14.08 16.760 0.021 AB
2MASS_J 749.14 195.15 15.819 0.283 Vega
2MASS_H 1003.61 240.62 15.028 0.260 Vega
2MASS_K 1105.41 306.08 14.453 0.301 Vega
WISE_W1 362.13 17.71 14.804 0.053 Vega
WISE_W2 225.47 25.15 14.678 0.121 Vega
WISE_W3 426.61 132.56 12.151 0.337 Vega
WISE_W4 -1042.57 592.25 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.864 8.139 8.310
{\rm log}_{10}({\rm SFR}) -2.234 -1.481 -0.623
{\rm log}_{10}({\rm sSFR}) -10.470 -9.653 -8.569
{\rm stellar\ age} 0.749 4.937 7.038

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.559 -0.868 -0.208
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.557 -0.837 0.028

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.772 1.384 2.096
\delta -0.036 0.178 0.319
\tau_1/\tau_2 0.647 1.049 1.456
Q_{PAH} 1.307 3.452 5.835
U_{min} 2.991 8.248 16.140
{\rm log}_{10}(\gamma_e)\, -2.789 -1.627 -0.535

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.368 -0.146 0.294
{\rm log}_{10}(\tau_{AGN})\, 1.078 1.547 1.917

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.547 -1.741 -1.044
0.03-0.10 Gyr -2.335 -1.505 -0.514
0.10-0.33 Gyr -2.318 -1.503 -0.754
0.33-1.07 Gyr -3.463 -1.765 -1.280
1.07-3.52 Gyr -3.661 -1.884 -1.526
3.52-11.55 Gyr -4.294 -2.000 -1.604
11.55-12.83 Gyr -4.112 -2.053 -1.418

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.115 10.212 10.309
{\rm log}_{10}({\rm SFR}) -0.919 -0.264 0.291
{\rm log}_{10}({\rm sSFR}) -11.196 -10.476 -9.914
{\rm stellar\ age} 7.532 9.869 12.082

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.575 -1.215 -0.926
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.129 0.336 0.458

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.090 0.201 0.332
\delta -0.764 -0.342 0.179
\tau_1/\tau_2 0.496 0.906 1.359
Q_{PAH} 0.665 1.851 3.805
U_{min} 3.172 9.410 17.365
{\rm log}_{10}(\gamma_e)\, -3.001 -2.034 -0.951

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.262 -1.988 -1.493
{\rm log}_{10}(\tau_{AGN})\, 1.042 1.405 1.757

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.687 -1.738 -0.809
0.03-0.10 Gyr -0.828 -0.119 0.448
0.10-0.33 Gyr -3.224 -0.926 -0.148
0.33-1.07 Gyr -5.104 -2.266 -0.632
1.07-3.52 Gyr -3.967 -1.615 -0.385
3.52-11.55 Gyr -1.687 0.128 0.430
11.55-12.83 Gyr -0.090 1.083 1.443