2025xpa

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Information

Transient

Name: AT2025xpa
Right ascension: 0h33m16.11s
Declination: -5d12m26.06s
Discovery Date: Sept. 15, 2025, 4:58 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.040

Host

Name:
Right ascension: 0h33m16.09s
Declination: -5d12m27.08s
Redshift: None
Photometric Redshift: 0.094
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 15.89
Transient MWEBV processed 0.05
Host match processed 9.06
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.57
Global aperture photometry processed 6.17
Validate global photometry processed 15.86
Global host SED inference processed 526.41
Local aperture photometry processed 6.33
Validate local photometry processed 0.02
Local host SED inference processed 472.48
 

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) = 0h33m16.11s, -5d12m26.06s
semi major axis, semi minor axis (arcsec) = 1.15, 1.15
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 164.74 0.53 18.358 0.003 AB
PanSTARRS_i 224.24 0.41 18.023 0.002 AB
PanSTARRS_z 291.25 0.82 17.739 0.003 AB
DES_z 306.91 1.9 17.682 0.007 AB
PanSTARRS_y 361.94 1.64 17.503 0.005 AB

Aperture details

RA, DEC (J2000) = 0h33m16.07s, -5d12m26.79s
semi major axis, semi minor axis (arcsec) = 5.6, 4.02
angle (degrees, anti-clockwise from east) = -61.11

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 23.66 4.95 20.465 0.227 AB
SDSS_g 243.39 4.32 17.934 0.019 AB
DES_g 258.81 0.56 17.868 0.002 AB
PanSTARRS_g 271.3 1.15 17.816 0.005 AB
SDSS_r 586.54 6.74 16.979 0.012 AB
PanSTARRS_r 577.6 1.01 16.996 0.002 AB
DES_r 622.67 1.06 16.914 0.002 AB
SDSS_i 827.05 8.25 16.606 0.011 AB
PanSTARRS_i 810.46 1.4 16.628 0.002 AB
PanSTARRS_z 1057.77 3.04 16.339 0.003 AB
SDSS_z 1115.25 16.48 16.282 0.016 AB
DES_z 1121.49 3.72 16.276 0.004 AB
PanSTARRS_y 1260.23 6.51 16.149 0.006 AB
2MASS_J 1767.38 100.22 14.887 0.062 Vega
2MASS_H 1735.42 152.0 14.434 0.095 Vega
2MASS_K 1761.0 209.82 13.948 0.129 Vega
WISE_W1 651.03 18.27 14.167 0.030 Vega
WISE_W2 419.03 20.37 14.005 0.053 Vega
WISE_W3 44.38 84.49 14.608 2.067 Vega
WISE_W4 258.74 448.04 11.248 1.880 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})\, 9.984 10.154 10.293
{\rm log}_{10}({\rm SFR}) -1.050 -0.276 0.414
{\rm log}_{10}({\rm sSFR}) -11.240 -10.468 -9.671
{\rm stellar\ age} 4.567 7.084 9.186

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.906 -0.299 0.025
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.255 -0.607 0.112

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.295 0.685 1.185
\delta -0.648 -0.241 0.150
\tau_1/\tau_2 0.605 1.004 1.381
Q_{PAH} 0.748 2.849 5.336
U_{min} 3.094 8.545 15.532
{\rm log}_{10}(\gamma_e)\, -3.271 -1.757 -0.501

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.166 -1.177 -0.374
{\rm log}_{10}(\tau_{AGN})\, 1.002 1.434 1.874

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.281 -0.458 0.083
0.03-0.10 Gyr -1.300 -0.284 0.531
0.10-0.33 Gyr -1.296 -0.313 0.424
0.33-1.06 Gyr -1.217 -0.245 0.449
1.06-3.46 Gyr -1.123 -0.076 0.343
3.46-11.27 Gyr -0.536 0.198 0.442
11.27-12.53 Gyr -0.487 0.336 1.088

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.492 10.646 10.751
{\rm log}_{10}({\rm SFR}) -3.198 -1.032 -0.253
{\rm log}_{10}({\rm sSFR}) -13.804 -11.702 -10.914
{\rm stellar\ age} 4.783 7.295 10.498

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.391 -1.090 -0.884
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.537 -0.709 0.082

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.370 0.496 0.650
\delta -0.956 -0.856 -0.706
\tau_1/\tau_2 0.632 1.068 1.492
Q_{PAH} 0.590 1.634 3.607
U_{min} 2.972 9.197 17.520
{\rm log}_{10}(\gamma_e)\, -3.071 -1.952 -1.013

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.226 -2.965 -2.013
{\rm log}_{10}(\tau_{AGN})\, 1.194 1.655 1.974

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.414 -1.500 -0.519
0.03-0.10 Gyr -3.963 -1.131 -0.158
0.10-0.33 Gyr -3.009 -0.833 0.077
0.33-1.06 Gyr -1.969 -0.158 0.544
1.06-3.46 Gyr -1.600 0.386 1.029
3.46-11.27 Gyr -0.791 0.737 0.951
11.27-12.53 Gyr -1.157 0.776 1.792