2025akti

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Information

Transient

Name: AT2025akti
Right ascension: 22h38m44.89s
Declination: -4d21m48.75s
Discovery Date: July 31, 2025, 12:30 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.042

Host

Name:
Right ascension: 22h38m44.85s
Declination: -4d21m48.75s
Redshift: None
Photometric Redshift: 0.132
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.03
Transient MWEBV processed 0.06
Host match processed 4.92
Host information processed 0.16
Host MWEBV processed 0.04
Global aperture construction processed 0.73
Global aperture photometry processed 4.96
Validate global photometry processed 16.23
Global host SED inference processed 400.76
Local aperture photometry processed 5.9
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) = 22h38m44.89s, -4d21m48.75s
semi major axis, semi minor axis (arcsec) = 0.85, 0.85
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) = 22h38m44.86s, -4d21m48.76s
semi major axis, semi minor axis (arcsec) = 3.33, 1.29
angle (degrees, anti-clockwise from east) = -92.63

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.19 0.47 23.050 0.231 AB
GALEX_NUV 2.95 0.45 22.724 0.164 AB
SDSS_u 7.01 2.41 21.785 0.374 AB
SDSS_g 12.07 1.11 21.195 0.100 AB
PanSTARRS_g 12.76 0.41 21.136 0.035 AB
SDSS_r 24.69 1.62 20.419 0.071 AB
PanSTARRS_r 18.86 0.45 20.711 0.026 AB
SDSS_i 31.42 2.11 20.157 0.073 AB
PanSTARRS_i 27.38 0.53 20.306 0.021 AB
PanSTARRS_z 32.9 1.27 20.107 0.042 AB
SDSS_z 30.85 8.0 20.177 0.282 AB
PanSTARRS_y 30.22 2.96 20.199 0.106 AB
2MASS_J -1.69 73.17 Vega
2MASS_H 360.34 118.01 16.141 0.356 Vega
2MASS_K 218.16 133.28 16.215 0.663 Vega
WISE_W1 33.69 7.0 17.382 0.225 Vega
WISE_W2 18.39 11.66 17.400 0.689 Vega
WISE_W3 119.52 61.33 13.532 0.557 Vega
WISE_W4 -312.37 409.59 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})\, 9.117 9.305 9.450
{\rm log}_{10}({\rm SFR}) -0.498 -0.128 0.229
{\rm log}_{10}({\rm sSFR}) -9.844 -9.458 -8.960
{\rm stellar\ age} 3.180 5.499 6.891

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.358 -0.634 -0.132
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.596 -0.410 0.233

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.416 0.766 1.124
\delta 0.055 0.231 0.334
\tau_1/\tau_2 0.741 1.113 1.491
Q_{PAH} 1.008 2.568 4.511
U_{min} 2.921 8.358 15.436
{\rm log}_{10}(\gamma_e)\, -2.740 -1.680 -0.785

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.730 -1.377 -0.480
{\rm log}_{10}(\tau_{AGN})\, 1.073 1.476 1.866

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.767 -0.363 -0.065
0.03-0.10 Gyr -0.491 -0.063 0.335
0.10-0.32 Gyr -0.662 -0.213 0.233
0.32-1.04 Gyr -1.055 -0.563 -0.205
1.04-3.36 Gyr -1.201 -0.650 -0.399
3.36-10.86 Gyr -1.318 -0.681 -0.435
10.86-12.07 Gyr -1.423 -0.638 -0.130