2025aczi

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Information

Transient

Name: AT2025aczi
Right ascension: 11h20m24.85s
Declination: 39d19m08.79s
Discovery Date: Nov. 11, 2025, 12:27 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.019

Host

Name:
Right ascension: 11h20m24.94s
Declination: 39d19m08.94s
Redshift: None
Photometric Redshift: 0.084
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.31
Transient MWEBV processed 0.1
Host match processed 5.2
Host information processed 0.19
Host MWEBV processed 0.03
Global aperture construction processed 0.64
Global aperture photometry processed 6.14
Validate global photometry processed 16.36
Global host SED inference processed 453.46
Local aperture photometry processed 5.79
Validate local photometry processed 0.02
Local host SED inference processed 434.89
 

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) = 11h20m24.85s, 39d19m08.79s
semi major axis, semi minor axis (arcsec) = 1.27, 1.27
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 27.55 0.78 20.300 0.031 AB
PanSTARRS_r 36.88 0.29 19.983 0.008 AB
SDSS_i 53.25 2.09 19.584 0.043 AB
PanSTARRS_i 47.55 0.29 19.707 0.007 AB
PanSTARRS_z 53.48 0.88 19.580 0.018 AB
PanSTARRS_y 53.42 1.87 19.581 0.038 AB

Aperture details

RA, DEC (J2000) = 11h20m24.91s, 39d19m09.39s
semi major axis, semi minor axis (arcsec) = 5.5, 3.97
angle (degrees, anti-clockwise from east) = -48.76

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 21.35 4.64 20.576 0.236 AB
GALEX_NUV 14.5 2.65 20.996 0.198 AB
SDSS_u 51.7 3.79 19.616 0.080 AB
SDSS_g 91.02 2.74 19.002 0.033 AB
DES_g 95.79 1.49 18.947 0.017 AB
PanSTARRS_g 95.44 0.81 18.951 0.009 AB
SDSS_r 133.79 3.52 18.584 0.029 AB
PanSTARRS_r 130.77 0.99 18.609 0.008 AB
SDSS_i 181.38 4.82 18.254 0.029 AB
PanSTARRS_i 165.77 1.02 18.351 0.007 AB
PanSTARRS_z 180.07 3.17 18.261 0.019 AB
SDSS_z 262.76 16.03 17.851 0.066 AB
PanSTARRS_y 190.83 6.76 18.198 0.038 AB
2MASS_J 196.75 107.54 17.270 0.593 Vega
2MASS_H 169.7 176.02 16.958 1.126 Vega
2MASS_K 242.55 174.45 16.100 0.781 Vega
WISE_W1 74.69 8.24 16.518 0.120 Vega
WISE_W2 44.78 11.05 16.433 0.268 Vega
WISE_W3 158.22 50.47 13.228 0.346 Vega
WISE_W4 481.33 392.91 10.574 0.886 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})\, 8.653 8.948 9.101
{\rm log}_{10}({\rm SFR}) -1.366 -0.690 0.126
{\rm log}_{10}({\rm sSFR}) -10.396 -9.692 -8.656
{\rm stellar\ age} 0.833 4.832 6.783

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.457 -0.877 -0.317
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.546 -0.865 -0.089

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.135 0.518 0.915
\delta -0.602 -0.212 0.168
\tau_1/\tau_2 0.670 1.044 1.412
Q_{PAH} 0.783 2.586 5.208
U_{min} 3.135 8.604 16.093
{\rm log}_{10}(\gamma_e)\, -2.957 -1.754 -0.615

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.864 -0.726 -0.029
{\rm log}_{10}(\tau_{AGN})\, 0.975 1.380 1.910

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.620 -1.136 -0.670
0.03-0.10 Gyr -1.449 -0.637 0.278
0.10-0.33 Gyr -1.559 -0.648 -0.021
0.33-1.07 Gyr -2.211 -0.831 -0.329
1.07-3.49 Gyr -2.936 -1.030 -0.705
3.49-11.39 Gyr -3.345 -1.193 -0.809
11.39-12.65 Gyr -3.295 -1.226 -0.619

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.541 9.647 9.764
{\rm log}_{10}({\rm SFR}) -0.444 -0.139 0.144
{\rm log}_{10}({\rm sSFR}) -10.110 -9.799 -9.489
{\rm stellar\ age} 6.335 7.334 9.618

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.562 -1.207 -0.864
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.510 -0.029 0.358

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.051 0.110 0.212
\delta -0.723 -0.315 0.076
\tau_1/\tau_2 0.510 0.913 1.351
Q_{PAH} 0.634 1.700 3.334
U_{min} 2.787 7.963 15.602
{\rm log}_{10}(\gamma_e)\, -2.531 -1.455 -0.550

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.476 -2.099 -1.458
{\rm log}_{10}(\tau_{AGN})\, 1.087 1.529 1.874

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.896 -1.148 -0.803
0.03-0.10 Gyr -0.322 0.012 0.303
0.10-0.33 Gyr -1.552 -0.405 -0.107
0.33-1.07 Gyr -2.131 -0.737 -0.395
1.07-3.49 Gyr -1.655 -0.598 -0.295
3.49-11.39 Gyr -0.600 -0.252 -0.094
11.39-12.65 Gyr -0.624 -0.073 0.644