2025ahzl

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Information

Transient

Name: AT2025ahzl
Right ascension: 8h24m51.16s
Declination: 59d19m14.07s
Discovery Date: Dec. 22, 2025, 8:18 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.112

Host

Name:
Right ascension: 8h24m50.95s
Declination: 59d19m13.50s
Redshift: None
Photometric Redshift: 0.189
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.51
Transient MWEBV processed 0.04
Host match processed 4.81
Host information processed 0.17
Host MWEBV processed 0.05
Global aperture construction processed 2.72
Global aperture photometry processed 2.3
Validate global photometry processed 2.07
Global host SED inference processed 398.83
Local aperture photometry processed 5.27
Validate local photometry no valid phot 0.04
Local host SED inference not processed None
 

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) = 8h24m51.16s, 59d19m14.07s
semi major axis, semi minor axis (arcsec) = 0.63, 0.63
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 8h24m50.90s, 59d19m13.86s
semi major axis, semi minor axis (arcsec) = 5.99, 4.74
angle (degrees, anti-clockwise from east) = -170.56

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.1 2.64 21.772 0.403 AB
GALEX_NUV 5.36 2.09 22.078 0.423 AB
SDSS_u 4.5 4.49 22.266 1.082 AB
SDSS_g 24.64 2.06 20.421 0.091 AB
PanSTARRS_g 18.48 1.11 20.733 0.065 AB
SDSS_r 45.75 3.04 19.749 0.072 AB
PanSTARRS_r 42.97 1.66 19.817 0.042 AB
SDSS_i 55.85 3.99 19.533 0.078 AB
PanSTARRS_i 60.21 1.31 19.451 0.024 AB
PanSTARRS_z 61.83 4.45 19.422 0.078 AB
SDSS_z 51.15 18.38 19.628 0.390 AB
PanSTARRS_y 81.12 10.03 19.127 0.134 AB
2MASS_J 82.87 115.18 18.209 1.509 Vega
2MASS_H 228.15 175.36 16.637 0.834 Vega
2MASS_K 153.65 221.56 16.596 1.566 Vega
WISE_W1 43.65 9.66 17.101 0.240 Vega
WISE_W2 30.62 9.81 16.846 0.348 Vega
WISE_W3 47.34 56.11 14.538 1.287 Vega
WISE_W4 364.36 267.87 10.876 0.798 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.730 9.881 10.008
{\rm log}_{10}({\rm SFR}) -0.288 0.260 0.659
{\rm log}_{10}({\rm sSFR}) -10.174 -9.629 -9.158
{\rm stellar\ age} 2.796 4.924 6.422

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.262 -0.783 -0.327
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.427 -0.735 -0.100

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.265 0.404 0.571
\delta -0.851 -0.589 -0.232
\tau_1/\tau_2 0.715 1.103 1.483
Q_{PAH} 0.795 2.279 4.192
U_{min} 2.798 7.944 15.388
{\rm log}_{10}(\gamma_e)\, -2.686 -1.688 -0.821

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.085 -2.439 -1.322
{\rm log}_{10}(\tau_{AGN})\, 0.975 1.422 1.881

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.237 0.084 0.328
0.03-0.10 Gyr -0.400 0.288 0.776
0.10-0.32 Gyr -0.309 0.243 0.631
0.32-1.01 Gyr -0.307 0.209 0.611
1.01-3.23 Gyr -0.418 0.008 0.284
3.23-10.28 Gyr -0.713 -0.120 0.168
10.28-11.42 Gyr -0.920 -0.103 0.441