2025xja

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Information

Transient

Name: AT2025xja
Right ascension: 9h17m18.39s
Declination: 32d01m16.32s
Discovery Date: Sept. 6, 2025, 12:30 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.017

Host

Name: UGC04908
Right ascension: 9h17m16.88s
Declination: 32d01m09.23s
Redshift: 0.049245
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.52
Transient MWEBV processed 0.06
Host match processed 4.18
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.59
Global aperture photometry processed 6.88
Validate global photometry processed 17.76
Global host SED inference processed 432.05
Local aperture photometry processed 7.03
Validate local photometry processed 0.03
Local host SED inference processed 609.74
 

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) = 9h17m18.39s, 32d01m16.32s
semi major axis, semi minor axis (arcsec) = 2.08, 2.08
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 4.79 1.78 22.199 0.402 AB
SDSS_g 9.77 1.0 21.426 0.112 AB
DES_g 11.21 0.26 21.276 0.025 AB
PanSTARRS_g 12.58 0.35 21.151 0.030 AB
SDSS_r 12.14 1.26 21.189 0.113 AB
PanSTARRS_r 13.45 0.77 21.078 0.062 AB
DES_r 13.34 0.48 21.087 0.039 AB
SDSS_i 14.5 1.85 20.996 0.138 AB
PanSTARRS_i 15.24 0.72 20.943 0.052 AB
PanSTARRS_z 12.15 1.36 21.188 0.121 AB
SDSS_z 9.07 5.46 21.506 0.653 AB
DES_z 6.97 2.15 21.793 0.335 AB
PanSTARRS_y 15.59 2.99 20.918 0.209 AB

Aperture details

RA, DEC (J2000) = 9h17m16.86s, 32d01m09.54s
semi major axis, semi minor axis (arcsec) = 30.71, 18.78
angle (degrees, anti-clockwise from east) = -140.47

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 474.2 20.16 17.210 0.046 AB
SDSS_r 4166.41 19.75 14.851 0.005 AB
PanSTARRS_r 4225.78 8.52 14.835 0.002 AB
SDSS_i 5451.36 26.35 14.559 0.005 AB
SDSS_z 6708.95 65.7 14.333 0.011 AB
2MASS_J 7886.43 435.36 13.263 0.060 Vega
2MASS_K 8271.47 782.23 12.268 0.103 Vega
WISE_W1 4673.92 51.7 12.027 0.012 Vega
WISE_W3 9442.12 298.22 8.788 0.034 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})\, 7.490 7.651 7.822
{\rm log}_{10}({\rm SFR}) -1.981 -1.262 -0.513
{\rm log}_{10}({\rm sSFR}) -9.741 -8.938 -7.984
{\rm stellar\ age} 0.171 1.420 4.663

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.910 -1.723 -1.386
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.769 -1.465 -0.571

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.239 0.474 0.752
\delta -0.657 -0.294 0.105
\tau_1/\tau_2 0.668 1.061 1.453
Q_{PAH} 1.442 3.379 5.632
U_{min} 3.011 8.904 16.757
{\rm log}_{10}(\gamma_e)\, -2.786 -1.655 -0.586

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.889 -0.730 -0.069
{\rm log}_{10}(\tau_{AGN})\, 1.039 1.497 1.966

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.108 -1.542 -1.201
0.03-0.10 Gyr -2.241 -1.226 -0.364
0.10-0.33 Gyr -2.714 -1.361 -0.827
0.33-1.09 Gyr -4.523 -2.068 -1.398
1.09-3.58 Gyr -5.999 -3.055 -2.049
3.58-11.79 Gyr -6.965 -3.571 -2.329
11.79-13.10 Gyr -7.325 -3.350 -2.240

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.639 10.837 10.958
{\rm log}_{10}({\rm SFR}) -2.889 -0.589 0.451
{\rm log}_{10}({\rm sSFR}) -13.584 -11.427 -10.335
{\rm stellar\ age} 3.987 7.529 10.585

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.131 -0.762 -0.532
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.579 -0.598 0.204

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.188 0.346 0.538
\delta -0.827 -0.388 0.047
\tau_1/\tau_2 0.526 0.962 1.392
Q_{PAH} 0.835 2.423 5.345
U_{min} 3.425 9.481 16.989
{\rm log}_{10}(\gamma_e)\, -2.784 -1.717 -0.617

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.042 -2.143 -1.219
{\rm log}_{10}(\tau_{AGN})\, 1.103 1.530 1.929

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.701 -0.674 0.315
0.03-0.10 Gyr -4.019 -0.718 0.500
0.10-0.33 Gyr -3.513 -0.665 0.593
0.33-1.09 Gyr -2.522 -0.178 0.772
1.09-3.58 Gyr -1.069 0.680 1.235
3.58-11.79 Gyr -0.817 0.824 1.130
11.79-13.10 Gyr -1.027 0.887 1.909