2025xfa

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Information

Transient

Name: AT2025xfa
Right ascension: 8h56m46.08s
Declination: 16d47m29.46s
Discovery Date: Sept. 10, 2025, 12:29 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.019

Host

Name:
Right ascension: 8h56m46.29s
Declination: 16d47m25.40s
Redshift: 0.066398
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.66
Transient MWEBV processed 0.04
Host match processed 6.12
Host information processed 0.11
Host MWEBV processed 0.05
Global aperture construction processed 0.64
Global aperture photometry processed 6.67
Validate global photometry processed 16.14
Global host SED inference processed 394.13
Local aperture photometry processed 7.09
Validate local photometry processed 0.03
Local host SED inference processed 407.32
 

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) = 8h56m46.08s, 16d47m29.46s
semi major axis, semi minor axis (arcsec) = 1.57, 1.57
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 7.82 1.4 21.667 0.194 AB
SDSS_g 15.93 1.11 20.895 0.076 AB
DES_g 17.84 0.28 20.772 0.017 AB
PanSTARRS_g 22.19 0.44 20.535 0.021 AB
SDSS_r 32.78 1.63 20.111 0.054 AB
PanSTARRS_r 36.68 0.39 19.989 0.012 AB
DES_r 36.09 0.54 20.007 0.016 AB
SDSS_i 46.8 2.1 19.724 0.049 AB
PanSTARRS_i 54.14 0.79 19.566 0.016 AB
PanSTARRS_z 60.54 1.19 19.445 0.021 AB
SDSS_z 51.68 6.06 19.617 0.127 AB
DES_z 55.74 1.61 19.535 0.031 AB
PanSTARRS_y 80.96 2.96 19.129 0.040 AB

Aperture details

RA, DEC (J2000) = 8h56m46.28s, 16d47m25.46s
semi major axis, semi minor axis (arcsec) = 16.22, 5.27
angle (degrees, anti-clockwise from east) = -67.08

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 32.99 5.71 20.104 0.188 AB
GALEX_NUV 44.47 4.64 19.780 0.113 AB
SDSS_u 260.68 8.26 17.860 0.034 AB
SDSS_g 788.88 7.7 16.657 0.011 AB
DES_g 704.15 1.77 16.781 0.003 AB
PanSTARRS_g 869.7 2.6 16.552 0.003 AB
SDSS_r 1669.03 11.33 15.844 0.007 AB
PanSTARRS_r 1722.54 2.27 15.810 0.001 AB
DES_r 1550.28 3.49 15.924 0.002 AB
SDSS_i 2465.73 14.51 15.420 0.006 AB
PanSTARRS_z 3050.81 7.03 15.189 0.003 AB
SDSS_z 3271.8 37.1 15.113 0.012 AB
DES_z 2897.22 11.44 15.245 0.004 AB
PanSTARRS_y 3892.47 17.31 14.924 0.005 AB
2MASS_J 5090.6 199.86 13.738 0.043 Vega
2MASS_H 6573.31 345.23 12.988 0.057 Vega
2MASS_K 6306.77 343.27 12.563 0.059 Vega
WISE_W1 2758.34 40.38 12.599 0.016 Vega
WISE_W2 1775.18 41.02 12.438 0.025 Vega
WISE_W3 3074.13 151.6 10.007 0.054 Vega
WISE_W4 4085.86 968.19 8.252 0.257 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})\, 9.027 9.173 9.312
{\rm log}_{10}({\rm SFR}) -1.405 -0.906 -0.436
{\rm log}_{10}({\rm sSFR}) -10.609 -10.076 -9.526
{\rm stellar\ age} 5.841 7.264 9.312

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.631 -1.106 -0.546
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.283 -0.470 -0.005

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.558 0.982 1.331
\delta -0.341 -0.039 0.240
\tau_1/\tau_2 0.756 1.069 1.397
Q_{PAH} 0.699 2.284 5.135
U_{min} 2.876 7.850 14.556
{\rm log}_{10}(\gamma_e)\, -3.095 -2.010 -0.888

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.144 -1.089 -0.326
{\rm log}_{10}(\tau_{AGN})\, 0.999 1.401 1.844

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.281 -0.843 -0.473
0.03-0.10 Gyr -1.655 -0.972 -0.379
0.10-0.33 Gyr -1.995 -1.205 -0.631
0.33-1.08 Gyr -2.177 -1.211 -0.742
1.08-3.53 Gyr -1.925 -0.959 -0.657
3.53-11.59 Gyr -1.155 -0.740 -0.547
11.59-12.88 Gyr -1.233 -0.646 0.058

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.898 10.942 11.006
{\rm log}_{10}({\rm SFR}) -0.465 -0.158 0.113
{\rm log}_{10}({\rm sSFR}) -11.458 -11.112 -10.816
{\rm stellar\ age} 7.982 9.865 12.052

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.250 -0.121 -0.024
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.151 -0.047 0.045

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.156 0.223 0.319
\delta -0.725 -0.335 0.030
\tau_1/\tau_2 0.505 0.921 1.343
Q_{PAH} 0.764 1.902 3.645
U_{min} 2.754 7.743 14.747
{\rm log}_{10}(\gamma_e)\, -2.784 -1.811 -0.970

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.946 -2.731 -1.929
{\rm log}_{10}(\tau_{AGN})\, 1.038 1.482 1.868

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.113 0.138 0.375
0.03-0.10 Gyr -1.997 -0.507 -0.006
0.10-0.33 Gyr -2.745 -0.866 -0.240
0.33-1.08 Gyr -3.432 -1.225 -0.480
1.08-3.53 Gyr -2.287 -0.704 0.033
3.53-11.59 Gyr -0.327 0.946 1.171
11.59-12.88 Gyr 1.054 1.781 2.127