2025akzy

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Information

Transient

Name: AT2025akzy
Right ascension: 4h21m11.54s
Declination: -6d32m42.13s
Discovery Date: Nov. 28, 2025, 8:48 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.043

Host

Name:
Right ascension: 4h21m11.49s
Declination: -6d32m52.09s
Redshift: None
Photometric Redshift: 0.038
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 5.1
Transient MWEBV processed 0.04
Host match processed 5.49
Host information processed 0.19
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 3.79
Validate global photometry processed 11.75
Global host SED inference processed 601.62
Local aperture photometry processed 4.06
Validate local photometry processed 0.02
Local host SED inference processed 443.43
 

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) = 4h21m11.54s, -6d32m42.13s
semi major axis, semi minor axis (arcsec) = 2.67, 2.67
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 24.6 0.63 20.423 0.028 AB
PanSTARRS_r 37.71 0.87 19.959 0.025 AB
PanSTARRS_i 43.4 0.91 19.806 0.023 AB
PanSTARRS_z 52.07 2.12 19.609 0.044 AB
PanSTARRS_y 49.31 4.51 19.668 0.099 AB

Aperture details

RA, DEC (J2000) = 4h21m11.45s, -6d32m51.29s
semi major axis, semi minor axis (arcsec) = 19.93, 16.92
angle (degrees, anti-clockwise from east) = -142.44

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 149.53 6.35 18.463 0.046 AB
PanSTARRS_r 1655.79 5.96 15.852 0.004 AB
PanSTARRS_z 2438.41 14.37 15.432 0.006 AB
PanSTARRS_y 2631.18 30.83 15.350 0.013 AB
2MASS_J 2891.82 394.75 14.352 0.148 Vega
2MASS_K 3005.28 792.17 13.367 0.286 Vega
WISE_W3 2740.81 246.3 10.131 0.098 Vega
WISE_W4 2591.16 957.18 8.746 0.401 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})\, 8.103 8.315 8.450
{\rm log}_{10}({\rm SFR}) -2.249 -1.581 -0.961
{\rm log}_{10}({\rm sSFR}) -10.583 -9.946 -9.169
{\rm stellar\ age} 2.930 6.050 7.627

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.516 -0.955 -0.465
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.862 -1.518 -0.271

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.153 0.441 0.882
\delta -0.691 -0.262 0.168
\tau_1/\tau_2 0.697 1.052 1.405
Q_{PAH} 1.051 2.863 5.328
U_{min} 3.181 8.364 15.840
{\rm log}_{10}(\gamma_e)\, -2.816 -1.673 -0.693

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.111 -0.813 -0.117
{\rm log}_{10}(\tau_{AGN})\, 1.019 1.524 1.992

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.506 -1.781 -1.247
0.03-0.10 Gyr -2.345 -1.568 -0.872
0.10-0.33 Gyr -2.120 -1.472 -0.949
0.33-1.09 Gyr -2.260 -1.557 -1.174
1.09-3.61 Gyr -2.327 -1.633 -1.375
3.61-11.93 Gyr -2.522 -1.690 -1.432
11.93-13.25 Gyr -2.828 -1.731 -1.180

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.009 10.123 10.240
{\rm log}_{10}({\rm SFR}) -0.405 -0.042 0.326
{\rm log}_{10}({\rm sSFR}) -10.546 -10.159 -9.790
{\rm stellar\ age} 6.279 7.736 10.752

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.011 -0.703 -0.481
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.787 -1.169 0.152

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.073 0.201 0.492
\delta -0.571 0.033 0.310
\tau_1/\tau_2 0.429 0.856 1.283
Q_{PAH} 0.427 1.266 2.682
U_{min} 2.411 7.079 14.086
{\rm log}_{10}(\gamma_e)\, -3.480 -2.782 -1.777

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.929 -1.934 -1.117
{\rm log}_{10}(\tau_{AGN})\, 0.888 1.270 1.706

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.473 -0.383 -0.092
0.03-0.10 Gyr -0.500 0.031 0.470
0.10-0.33 Gyr -0.866 -0.103 0.326
0.33-1.09 Gyr -1.423 -0.333 0.140
1.09-3.61 Gyr -1.166 -0.158 0.240
3.61-11.93 Gyr -0.352 0.183 0.365
11.93-13.25 Gyr -0.253 0.403 1.185