2025acth results

Information

Transient
Name:AT2025acth
Right ascension: 11h08m44.73s
Declination:9d13m50.01s
Discovery Date:Oct. 31, 2025, 12:39 p.m.
Classification:None
Redshift:None
MW E(B-V):0.021
Host
Name:
Right ascension: 11h08m44.68s
Declination:9d13m49.31s
Redshift:None
Photometric Redshift:0.098
 

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 18.44
Transient MWEBV processed 0.07
Host match processed 6.18
Host information processed 0.17
Host MWEBV processed 0.04
Global aperture construction processed 2.9
Global aperture photometry processed 5.91
Validate global photometry processed 15.86
Global host SED inference processed 418.45
Local aperture photometry processed 5.78
Validate local photometry processed 0.03
Local host SED inference processed 501.16
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):11h08m44.73s, 9d13m50.01s
semi major axis, semi minor axis (arcsec):1.11, 1.11
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_z 12.41 0.55 21.165 0.048 AB
PanSTARRS_y 9.85 1.94 21.416 0.214 AB

Aperture details

RA, DEC (J2000):11h08m44.68s, 9d13m49.84s
semi major axis, semi minor axis (arcsec):6.78, 3.22
angle (degrees, anti-clockwise from east):-158.42
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.42 2.92 21.724 0.427 AB
GALEX_NUV 6.26 2.46 21.909 0.427 AB
SDSS_u 6.72 3.34 21.831 0.540 AB
SDSS_g 32.39 2.07 20.124 0.070 AB
DES_g 24.19 0.41 20.441 0.018 AB
PanSTARRS_g 26.39 1.19 20.347 0.049 AB
SDSS_r 38.68 2.73 19.931 0.077 AB
PanSTARRS_r 35.3 1.62 20.031 0.050 AB
SDSS_i 50.2 3.48 19.648 0.075 AB
PanSTARRS_i 48.41 1.45 19.688 0.033 AB
PanSTARRS_z 46.44 2.26 19.733 0.053 AB
SDSS_z 37.85 11.62 19.955 0.333 AB
PanSTARRS_y 46.95 8.01 19.721 0.185 AB
2MASS_J -16.2 140.74 Vega
2MASS_H -255.58 209.29 Vega
2MASS_K 37.83 257.62 18.118 7.393 Vega
WISE_W1 79.31 10.17 16.453 0.139 Vega
WISE_W2 25.31 14.04 17.053 0.603 Vega
WISE_W3 -29.86 73.87 Vega
WISE_W4 -575.95 459.09 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.200 8.562 8.821
{\rm log}_{10}({\rm SFR}) -1.331 -0.840 -0.354
{\rm log}_{10}({\rm sSFR}) -10.028 -9.424 -8.692
{\rm stellar\ age} 1.349 5.728 7.607

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.575 -0.770 -0.060
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.461 -0.688 0.062

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.418 0.798 1.314
\delta -0.548 -0.074 0.218
\tau_1/\tau_2 0.495 0.908 1.326
Q_{PAH} 0.908 2.542 5.015
U_{min} 3.013 8.057 15.419
{\rm log}_{10}(\gamma_e)\, -3.057 -2.059 -0.883

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.828 -0.320 0.227
{\rm log}_{10}(\tau_{AGN})\, 1.122 1.538 1.941

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.133 -0.671 -0.207
0.03-0.10 Gyr -2.283 -1.131 -0.420
0.10-0.33 Gyr -2.691 -1.472 -0.776
0.33-1.06 Gyr -2.894 -1.590 -0.987
1.06-3.45 Gyr -3.368 -1.574 -1.103
3.45-11.23 Gyr -3.329 -1.528 -1.052
11.23-12.48 Gyr -3.194 -1.524 -0.746

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.759 8.980 9.142
{\rm log}_{10}({\rm SFR}) -0.818 -0.439 -0.049
{\rm log}_{10}({\rm sSFR}) -9.872 -9.428 -8.905
{\rm stellar\ age} 0.972 3.459 5.706

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.440 -0.720 -0.173
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.730 -0.770 0.252

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.323 0.559 0.806
\delta -0.630 -0.117 0.223
\tau_1/\tau_2 0.705 1.040 1.406
Q_{PAH} 1.939 3.788 5.499
U_{min} 3.060 8.385 15.548
{\rm log}_{10}(\gamma_e)\, -2.919 -1.747 -0.685

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.151 -0.962 -0.422
{\rm log}_{10}(\tau_{AGN})\, 0.965 1.301 1.738

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.789 -0.500 -0.259
0.03-0.10 Gyr -0.995 -0.429 0.039
0.10-0.33 Gyr -0.699 -0.264 0.113
0.33-1.06 Gyr -1.069 -0.414 -0.045
1.06-3.45 Gyr -2.085 -0.987 -0.589
3.45-11.23 Gyr -2.882 -1.357 -0.847
11.23-12.48 Gyr -3.027 -1.386 -0.704