2025han

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Information

Transient

Name: AT2025han
Right ascension: 10h45m09.91s
Declination: -4d42m34.42s
Discovery Date: March 26, 2025, 4:35 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.041

Host

Name: 2025han
Right ascension: 10h45m09.91s
Declination: -4d42m35.19s
Redshift: None
Photometric Redshift: 0.181
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.18
Cutout download processed 12.09
Global aperture construction processed 0.64
Local aperture photometry processed 5.97
Global aperture photometry processed 6.15
Validate local photometry no valid phot 0.02
Validate global photometry processed 15.4
Host information processed 0.1
Global host SED inference processed 415.92
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.05
Log transient processing status blocked 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) = 10h45m09.91s, -4d42m34.42s
semi major axis, semi minor axis (arcsec) = 0.66, 0.66
angle (degrees, anti-clockwise from east) = 0.0

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

Aperture details

RA, DEC (J2000) = 10h45m09.90s, -4d42m35.04s
semi major axis, semi minor axis (arcsec) = 3.55, 3.11
angle (degrees, anti-clockwise from east) = -85.04

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.77 1.94 22.458 0.558 AB
GALEX_NUV 6.82 1.32 21.816 0.211 AB
DES_g 43.31 0.35 19.808 0.009 AB
PanSTARRS_g 43.37 0.68 19.807 0.017 AB
PanSTARRS_r 76.53 0.83 19.190 0.012 AB
DES_r 85.06 0.8 19.076 0.010 AB
PanSTARRS_i 111.91 1.05 18.778 0.010 AB
PanSTARRS_z 126.9 2.04 18.641 0.017 AB
DES_z 138.56 2.13 18.546 0.017 AB
PanSTARRS_y 132.19 5.39 18.597 0.044 AB
2MASS_J 159.46 84.18 17.498 0.573 Vega
2MASS_H 360.89 117.74 16.139 0.354 Vega
2MASS_K 321.61 178.43 15.794 0.602 Vega
WISE_W1 88.64 7.89 16.332 0.097 Vega
WISE_W2 74.1 11.85 15.887 0.174 Vega
WISE_W3 169.11 62.99 13.156 0.404 Vega
WISE_W4 461.73 419.03 10.619 0.985 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.130 10.238 10.344
{\rm log}_{10}({\rm SFR}) -0.253 0.166 0.537
{\rm log}_{10}({\rm sSFR}) -10.463 -10.058 -9.663
{\rm stellar\ age} 4.473 5.852 7.091

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.667 -1.212 -0.685
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.549 0.085 0.370

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.321 0.502 0.688
\delta -0.246 -0.008 0.186
\tau_1/\tau_2 0.683 1.035 1.380
Q_{PAH} 0.804 2.276 4.429
U_{min} 2.969 8.279 15.097
{\rm log}_{10}(\gamma_e)\, -2.941 -2.000 -0.833

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.057 -2.542 -1.431
{\rm log}_{10}(\tau_{AGN})\, 0.994 1.488 1.900

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.730 -0.177 0.123
0.03-0.10 Gyr -0.280 0.235 0.666
0.10-0.32 Gyr 0.119 0.491 0.781
0.32-1.02 Gyr -0.147 0.323 0.613
1.02-3.25 Gyr -0.046 0.326 0.581
3.25-10.36 Gyr 0.003 0.345 0.537
10.36-11.51 Gyr -0.304 0.359 0.922