2025ahza

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Information

Transient

Name: AT2025ahza
Right ascension: 9h53m00.78s
Declination: 37d00m05.16s
Discovery Date: Dec. 20, 2025, 10:55 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.011

Host

Name:
Right ascension: 9h53m00.87s
Declination: 37d00m04.16s
Redshift: None
Photometric Redshift: 0.102
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 12.35
Transient MWEBV processed 0.05
Host match processed 6.29
Host information processed 0.16
Host MWEBV processed 0.04
Global aperture construction processed 0.63
Global aperture photometry processed 9.16
Validate global photometry processed 22.95
Global host SED inference processed 396.61
Local aperture photometry processed 6.31
Validate local photometry processed 0.04
Local host SED inference processed 652.15
 

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) = 9h53m00.78s, 37d00m05.16s
semi major axis, semi minor axis (arcsec) = 1.06, 1.06
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 18.52 0.78 20.731 0.046 AB
PanSTARRS_y 23.25 1.9 20.484 0.089 AB

Aperture details

RA, DEC (J2000) = 9h53m00.85s, 37d00m04.46s
semi major axis, semi minor axis (arcsec) = 5.52, 2.72
angle (degrees, anti-clockwise from east) = -39.64

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 9.99 2.81 21.401 0.306 AB
GALEX_NUV 11.91 2.17 21.210 0.198 AB
SDSS_u 20.48 2.85 20.622 0.151 AB
SDSS_g 43.53 2.01 19.803 0.050 AB
DES_g 49.06 0.67 19.673 0.015 AB
PanSTARRS_g 41.93 0.88 19.844 0.023 AB
SDSS_r 63.66 2.58 19.390 0.044 AB
PanSTARRS_r 60.62 1.61 19.444 0.029 AB
SDSS_i 73.78 3.49 19.230 0.051 AB
PanSTARRS_i 81.85 0.85 19.117 0.011 AB
PanSTARRS_z 81.92 2.23 19.117 0.030 AB
SDSS_z 88.21 9.53 19.036 0.117 AB
DES_z 87.22 1.9 19.048 0.024 AB
PanSTARRS_y 103.74 6.72 18.860 0.070 AB
2MASS_J 90.25 87.12 18.116 1.048 Vega
2MASS_H -5.06 125.49 Vega
2MASS_K 258.95 164.56 16.029 0.690 Vega
WISE_W1 42.25 8.36 17.136 0.215 Vega
WISE_W2 30.52 11.75 16.849 0.418 Vega
WISE_W3 85.64 68.24 13.894 0.865 Vega
WISE_W4 20.37 434.06 14.008 23.135 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})\, 7.911 8.701 9.032
{\rm log}_{10}({\rm SFR}) -1.095 -0.534 -0.106
{\rm log}_{10}({\rm sSFR}) -9.976 -9.223 -8.029
{\rm stellar\ age} 0.443 5.301 7.831

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.476 -0.489 -0.005
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.083 -0.530 0.071

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.448 0.879 1.466
\delta -0.685 -0.118 0.230
\tau_1/\tau_2 0.468 0.887 1.343
Q_{PAH} 0.662 2.436 5.241
U_{min} 3.098 8.325 15.861
{\rm log}_{10}(\gamma_e)\, -3.007 -1.830 -0.642

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.025 -0.777 0.138
{\rm log}_{10}(\tau_{AGN})\, 1.033 1.411 1.982

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.886 -0.281 0.127
0.03-0.10 Gyr -2.352 -1.048 -0.237
0.10-0.33 Gyr -4.209 -1.636 -0.737
0.33-1.06 Gyr -5.032 -1.763 -0.855
1.06-3.44 Gyr -4.647 -1.783 -1.032
3.44-11.18 Gyr -4.286 -1.584 -0.841
11.18-12.42 Gyr -4.190 -1.490 -0.506

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.244 9.343 9.449
{\rm log}_{10}({\rm SFR}) -0.476 -0.195 0.099
{\rm log}_{10}({\rm sSFR}) -9.857 -9.546 -9.205
{\rm stellar\ age} 4.469 5.803 6.827

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.150 -0.613 -0.238
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.540 0.087 0.291

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.105 0.264 0.531
\delta -0.480 -0.028 0.218
\tau_1/\tau_2 0.821 1.175 1.521
Q_{PAH} 0.708 2.114 4.154
U_{min} 2.356 7.640 15.011
{\rm log}_{10}(\gamma_e)\, -2.513 -1.483 -0.513

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.674 -1.692 -0.867
{\rm log}_{10}(\tau_{AGN})\, 1.142 1.540 1.889

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.746 -0.540 -0.345
0.03-0.10 Gyr -0.433 -0.099 0.225
0.10-0.33 Gyr -0.396 -0.120 0.152
0.33-1.06 Gyr -0.826 -0.440 -0.202
1.06-3.44 Gyr -0.881 -0.585 -0.369
3.44-11.18 Gyr -0.905 -0.609 -0.429
11.18-12.42 Gyr -1.146 -0.573 -0.151