2025akyu

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Information

Transient

Name: AT2025akyu
Right ascension: 22h07m54.56s
Declination: 20d23m53.48s
Discovery Date: Oct. 15, 2025, 5:14 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.061

Host

Name:
Right ascension: 22h07m54.82s
Declination: 20d23m55.09s
Redshift: None
Photometric Redshift: 0.169
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.31
Transient MWEBV processed 0.04
Host match processed 7.94
Host information processed 0.16
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 5.35
Validate global photometry processed 15.32
Global host SED inference processed 386.75
Local aperture photometry processed 6.54
Validate local photometry no valid phot 0.03
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) = 22h07m54.56s, 20d23m53.48s
semi major axis, semi minor axis (arcsec) = 0.69, 0.69
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) = 22h07m54.80s, 20d23m55.38s
semi major axis, semi minor axis (arcsec) = 7.06, 3.31
angle (degrees, anti-clockwise from east) = -111.29

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.63 1.14 23.367 0.756 AB
GALEX_NUV 3.55 0.87 22.524 0.266 AB
SDSS_u 7.5 5.89 21.712 0.852 AB
SDSS_g 66.98 2.56 19.335 0.042 AB
PanSTARRS_g 72.05 1.14 19.256 0.017 AB
SDSS_r 172.75 4.29 18.306 0.027 AB
PanSTARRS_r 183.36 1.32 18.242 0.008 AB
SDSS_i 295.51 6.0 17.724 0.022 AB
PanSTARRS_i 295.77 1.35 17.723 0.005 AB
PanSTARRS_z 379.59 3.36 17.452 0.010 AB
SDSS_z 395.71 17.24 17.407 0.047 AB
PanSTARRS_y 498.59 8.15 17.156 0.018 AB
2MASS_J 721.55 136.14 15.859 0.205 Vega
2MASS_H 1172.83 196.99 14.859 0.182 Vega
2MASS_K 1242.39 179.37 14.327 0.157 Vega
WISE_W1 470.69 14.75 14.519 0.034 Vega
WISE_W2 358.84 18.93 14.174 0.057 Vega
WISE_W3 615.31 66.82 11.753 0.118 Vega
WISE_W4 551.33 418.05 10.426 0.823 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})\, 10.860 10.907 10.953
{\rm log}_{10}({\rm SFR}) 0.257 0.542 0.812
{\rm log}_{10}({\rm sSFR}) -10.646 -10.354 -10.072
{\rm stellar\ age} 6.595 7.261 8.928

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.224 -0.039 0.068
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.696 -0.319 0.274

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.335 0.444 0.582
\delta -0.807 -0.619 -0.403
\tau_1/\tau_2 0.753 1.111 1.461
Q_{PAH} 0.482 1.279 2.935
U_{min} 2.508 7.386 14.108
{\rm log}_{10}(\gamma_e)\, -2.989 -2.099 -1.300

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.395 -3.402 -2.245
{\rm log}_{10}(\tau_{AGN})\, 1.025 1.523 1.920

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.314 0.577 0.797
0.03-0.10 Gyr 0.104 0.528 0.868
0.10-0.32 Gyr -0.073 0.356 0.679
0.32-1.02 Gyr -0.249 0.258 0.574
1.02-3.28 Gyr -0.036 0.493 0.827
3.28-10.48 Gyr 0.851 1.100 1.194
10.48-11.64 Gyr 0.881 1.333 1.866