2025akjg results

Information

Transient
Name:AT2025akjg
Right ascension: 0h44m57.26s
Declination:21d28m49.13s
Discovery Date:July 2, 2025, 1:08 p.m.
Classification:None
Redshift:None
MW E(B-V):0.032
Host
Name:
Right ascension: 0h44m57.31s
Declination:21d28m51.25s
Redshift:None
Photometric Redshift:0.075
 

Cutout Download Report

Downloaded Unavailable
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
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 15.66
Transient MWEBV processed 0.04
Host match processed 5.81
Host information processed 0.18
Host MWEBV processed 0.04
Global aperture construction processed 0.63
Global aperture photometry processed 5.26
Validate global photometry processed 15.8
Global host SED inference processed 464.19
Local aperture photometry processed 5.45
Validate local photometry processed 0.03
Local host SED inference processed 446.74
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):0h44m57.26s, 21d28m49.13s
semi major axis, semi minor axis (arcsec):1.4, 1.4
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 37.17 0.41 19.975 0.012 AB
SDSS_r 71.79 2.31 19.260 0.035 AB
PanSTARRS_r 68.03 0.39 19.318 0.006 AB
SDSS_i 106.17 2.96 18.835 0.030 AB
PanSTARRS_i 97.87 0.49 18.923 0.005 AB
PanSTARRS_z 118.86 1.29 18.712 0.012 AB
SDSS_z 123.34 4.76 18.672 0.042 AB
PanSTARRS_y 137.17 2.46 18.557 0.020 AB

Aperture details

RA, DEC (J2000):0h44m57.29s, 21d28m51.56s
semi major axis, semi minor axis (arcsec):14.11, 9.21
angle (degrees, anti-clockwise from east):-29.33
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 65.64 5.24 19.357 0.087 AB
SDSS_u 302.07 11.09 17.700 0.040 AB
SDSS_g 581.94 7.82 16.988 0.015 AB
PanSTARRS_g 674.99 3.21 16.827 0.005 AB
SDSS_r 1104.83 10.4 16.292 0.010 AB
PanSTARRS_r 1171.05 3.03 16.229 0.003 AB
SDSS_i 1615.37 14.75 15.879 0.010 AB
SDSS_z 1732.79 32.95 15.803 0.021 AB
WISE_W2 1145.3 37.49 12.914 0.036 Vega
WISE_W3 4632.99 144.13 9.561 0.034 Vega
WISE_W4 4466.08 786.82 8.155 0.191 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.438 9.545 9.669
{\rm log}_{10}({\rm SFR}) -1.897 -1.208 -0.451
{\rm log}_{10}({\rm sSFR}) -11.399 -10.761 -10.017
{\rm stellar\ age} 6.114 7.451 9.263

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.537 -0.916 -0.444
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.547 -0.678 0.137

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.307 0.640 1.059
\delta -0.594 -0.190 0.165
\tau_1/\tau_2 0.692 1.041 1.390
Q_{PAH} 0.630 2.568 5.243
U_{min} 3.121 8.141 15.382
{\rm log}_{10}(\gamma_e)\, -3.164 -2.013 -0.479

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.425 -0.617 -0.090
{\rm log}_{10}(\tau_{AGN})\, 1.117 1.582 1.968

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.093 -1.397 -0.923
0.03-0.10 Gyr -2.062 -1.195 -0.361
0.10-0.33 Gyr -2.076 -1.094 -0.440
0.33-1.07 Gyr -2.139 -1.003 -0.447
1.07-3.51 Gyr -1.631 -0.660 -0.301
3.51-11.49 Gyr -0.746 -0.333 -0.159
11.49-12.76 Gyr -0.814 -0.206 0.471

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.458 10.587 10.702
{\rm log}_{10}({\rm SFR}) 0.087 0.406 0.946
{\rm log}_{10}({\rm sSFR}) -10.543 -10.165 -9.605
{\rm stellar\ age} 5.333 7.123 9.078

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.714 -0.219 0.056
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.263 0.055 0.230

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.135 0.238 0.433
\delta -0.788 -0.424 0.031
\tau_1/\tau_2 0.404 0.825 1.290
Q_{PAH} 1.399 2.787 5.065
U_{min} 2.529 7.158 14.168
{\rm log}_{10}(\gamma_e)\, -3.386 -2.525 -1.514

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.279 -1.836 -1.268
{\rm log}_{10}(\tau_{AGN})\, 0.871 1.229 1.668

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.192 0.528 0.758
0.03-0.10 Gyr -0.395 0.301 1.039
0.10-0.33 Gyr -0.839 0.024 0.521
0.33-1.07 Gyr -1.034 0.064 0.529
1.07-3.51 Gyr -0.280 0.544 0.891
3.51-11.49 Gyr 0.170 0.642 0.860
11.49-12.76 Gyr 0.056 0.743 1.459