2025aexz

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Information

Transient

Name: AT2025aexz
Right ascension: 1h17m01.07s
Declination: 1d38m59.92s
Discovery Date: Nov. 25, 2025, 6:04 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.030

Host

Name:
Right ascension: 1h17m00.70s
Declination: 1d39m01.62s
Redshift: None
Photometric Redshift: 0.059
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.88
Transient MWEBV processed 0.04
Host match processed 7.04
Host information processed 0.17
Host MWEBV processed 0.14
Global aperture construction processed 0.67
Global aperture photometry processed 5.76
Validate global photometry processed 15.13
Global host SED inference processed 394.72
Local aperture photometry processed 5.94
Validate local photometry processed 0.03
Local host SED inference processed 441.42
 

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) = 1h17m01.07s, 1d38m59.92s
semi major axis, semi minor axis (arcsec) = 1.76, 1.76
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 -0.58 1.64 AB
SDSS_g 4.57 0.74 22.250 0.175 AB
DES_g 6.08 0.1 21.941 0.017 AB
PanSTARRS_g 3.52 0.41 22.534 0.127 AB
SDSS_r 7.65 1.06 21.691 0.151 AB
PanSTARRS_r 5.29 0.55 22.091 0.112 AB
DES_r 9.59 0.15 21.446 0.017 AB
SDSS_i 7.97 1.56 21.647 0.213 AB
PanSTARRS_i 7.84 0.52 21.664 0.072 AB
PanSTARRS_z 7.44 1.16 21.722 0.169 AB
SDSS_z 7.26 4.8 21.747 0.717 AB
DES_z 13.4 0.46 21.083 0.037 AB
PanSTARRS_y 7.91 2.92 21.655 0.401 AB

Aperture details

RA, DEC (J2000) = 1h17m00.68s, 1d39m01.81s
semi major axis, semi minor axis (arcsec) = 13.88, 6.1
angle (degrees, anti-clockwise from east) = -117.9

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 66.89 8.78 19.337 0.143 AB
SDSS_g 416.57 5.9 17.351 0.015 AB
DES_g 396.32 0.64 17.405 0.002 AB
PanSTARRS_g 441.73 2.17 17.287 0.005 AB
SDSS_r 707.28 8.01 16.776 0.012 AB
PanSTARRS_r 686.97 2.87 16.808 0.005 AB
SDSS_i 922.05 10.68 16.488 0.013 AB
PanSTARRS_i 918.31 2.71 16.493 0.003 AB
PanSTARRS_z 1054.8 6.04 16.342 0.006 AB
SDSS_z 1173.48 26.28 16.226 0.024 AB
PanSTARRS_y 1262.57 15.27 16.147 0.013 AB
2MASS_J 1700.68 200.52 14.929 0.128 Vega
2MASS_H 1382.51 315.77 14.681 0.248 Vega
2MASS_K 1489.15 382.77 14.130 0.279 Vega
WISE_W1 711.42 22.61 14.071 0.035 Vega
WISE_W2 378.42 26.27 14.116 0.075 Vega
WISE_W3 950.28 117.72 11.281 0.134 Vega
WISE_W4 1622.73 581.87 9.254 0.389 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})\, 7.664 8.015 8.202
{\rm log}_{10}({\rm SFR}) -1.549 -1.174 -0.839
{\rm log}_{10}({\rm sSFR}) -9.648 -9.191 -8.587
{\rm stellar\ age} 1.585 5.198 6.903

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.186 -0.513 -0.040
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.674 -0.216 -0.042

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.641 1.020 1.422
\delta -0.158 0.103 0.282
\tau_1/\tau_2 0.690 1.013 1.344
Q_{PAH} 0.657 2.031 4.996
U_{min} 2.904 7.956 15.548
{\rm log}_{10}(\gamma_e)\, -2.891 -1.961 -0.974

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.880 -0.834 -0.092
{\rm log}_{10}(\tau_{AGN})\, 0.965 1.416 1.834

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.317 -0.979 -0.685
0.03-0.10 Gyr -1.977 -1.360 -0.883
0.10-0.33 Gyr -2.253 -1.629 -1.105
0.33-1.08 Gyr -2.555 -1.831 -1.454
1.08-3.55 Gyr -3.040 -1.962 -1.625
3.55-11.68 Gyr -3.452 -2.093 -1.722
11.68-12.97 Gyr -3.601 -2.179 -1.555

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.907 10.083 10.202
{\rm log}_{10}({\rm SFR}) -2.397 -1.114 -0.553
{\rm log}_{10}({\rm sSFR}) -12.416 -11.223 -10.613
{\rm stellar\ age} 2.426 6.043 7.793

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.015 -0.731 -0.547
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.466 -0.673 -0.017

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.161 0.330 0.552
\delta -0.750 -0.402 0.003
\tau_1/\tau_2 0.549 0.937 1.324
Q_{PAH} 1.005 2.205 4.409
U_{min} 2.489 7.598 15.290
{\rm log}_{10}(\gamma_e)\, -3.080 -2.129 -1.251

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.458 -3.599 -2.626
{\rm log}_{10}(\tau_{AGN})\, 1.089 1.562 1.935

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.833 -1.036 -0.618
0.03-0.10 Gyr -3.287 -1.267 -0.518
0.10-0.33 Gyr -2.565 -0.928 -0.035
0.33-1.08 Gyr -0.667 0.231 0.792
1.08-3.55 Gyr -0.626 0.179 0.503
3.55-11.68 Gyr -1.372 0.063 0.362
11.68-12.97 Gyr -1.617 -0.015 0.632