2025agzh

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Information

Transient

Name: AT2025agzh
Right ascension: 2h12m34.25s
Declination: 0d07m58.54s
Discovery Date: Dec. 12, 2025, 3:23 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.027

Host

Name:
Right ascension: 2h12m34.15s
Declination: 0d07m56.72s
Redshift: 0.104298
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.0
Transient MWEBV processed 0.04
Host match processed 6.48
Host information processed 0.06
Host MWEBV processed 0.05
Global aperture construction processed 0.65
Global aperture photometry processed 5.19
Validate global photometry processed 13.89
Global host SED inference processed 412.77
Local aperture photometry processed 5.0
Validate local photometry processed 0.02
Local host SED inference processed 569.95
 

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) = 2h12m34.25s, 0d07m58.54s
semi major axis, semi minor axis (arcsec) = 1.05, 1.05
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_y 19.76 1.74 20.660 0.095 AB

Aperture details

RA, DEC (J2000) = 2h12m34.14s, 0d07m57.10s
semi major axis, semi minor axis (arcsec) = 8.06, 5.67
angle (degrees, anti-clockwise from east) = -98.57

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 19.13 1.45 20.696 0.082 AB
GALEX_NUV 28.18 1.08 20.275 0.042 AB
SDSS_u 34.94 5.69 20.042 0.177 AB
SDSS_g 150.33 3.73 18.457 0.027 AB
PanSTARRS_g 163.97 1.83 18.363 0.012 AB
SDSS_r 251.38 5.17 17.899 0.022 AB
PanSTARRS_r 249.69 1.93 17.906 0.008 AB
PanSTARRS_z 344.47 3.96 17.557 0.012 AB
SDSS_z 381.18 25.75 17.447 0.073 AB
PanSTARRS_y 410.73 11.12 17.366 0.029 AB
WISE_W1 370.56 13.79 14.779 0.040 Vega
WISE_W2 259.36 19.13 14.526 0.080 Vega
WISE_W3 885.67 73.88 11.358 0.091 Vega
WISE_W4 795.31 401.85 10.029 0.549 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})\, 8.072 8.692 9.028
{\rm log}_{10}({\rm SFR}) -1.062 -0.441 0.057
{\rm log}_{10}({\rm sSFR}) -9.910 -9.028 -8.034
{\rm stellar\ age} 0.497 5.190 7.815

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.432 -0.568 -0.016
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.972 -0.443 0.164

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.458 0.943 1.507
\delta -0.516 -0.091 0.200
\tau_1/\tau_2 0.486 0.899 1.383
Q_{PAH} 0.812 2.661 5.005
U_{min} 3.138 8.317 16.298
{\rm log}_{10}(\gamma_e)\, -3.092 -1.932 -0.658

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.206 -0.744 0.004
{\rm log}_{10}(\tau_{AGN})\, 1.023 1.481 1.911

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.839 -0.286 0.180
0.03-0.10 Gyr -2.382 -0.905 0.005
0.10-0.33 Gyr -3.863 -1.693 -0.717
0.33-1.06 Gyr -4.859 -1.786 -0.874
1.06-3.43 Gyr -4.540 -1.799 -1.046
3.43-11.16 Gyr -4.216 -1.567 -0.866
11.16-12.40 Gyr -4.130 -1.501 -0.508

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.012 10.096 10.171
{\rm log}_{10}({\rm SFR}) 0.013 0.190 0.396
{\rm log}_{10}({\rm sSFR}) -10.108 -9.908 -9.686
{\rm stellar\ age} 3.724 5.235 6.333

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.472 -0.107 0.081
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.417 -0.801 -0.180

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.251 0.385 0.573
\delta 0.058 0.247 0.352
\tau_1/\tau_2 0.684 0.969 1.282
Q_{PAH} 0.900 2.467 4.529
U_{min} 2.432 6.744 13.165
{\rm log}_{10}(\gamma_e)\, -3.055 -1.918 -1.274

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.955 -2.479 -1.624
{\rm log}_{10}(\tau_{AGN})\, 0.905 1.335 1.859

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.050 0.304 0.499
0.03-0.10 Gyr -0.196 0.131 0.416
0.10-0.33 Gyr -0.019 0.331 0.582
0.33-1.06 Gyr 0.363 0.570 0.746
1.06-3.43 Gyr 0.105 0.326 0.509
3.43-11.16 Gyr -0.291 0.080 0.251
11.16-12.40 Gyr -0.520 0.084 0.520