2025act results

Information

Transient
Name:AT2025act
Right ascension: 17h52m40.50s
Declination:65d39m53.15s
Discovery Date:Jan. 20, 2025, 12:11 p.m.
Classification:None
Redshift:None
MW E(B-V):0.043
Host
Name:2025act
Right ascension: 17h52m40.09s
Declination:65d39m52.26s
Redshift:0.084564
Photometric Redshift:0.090
 

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 13.94
Transient MWEBV processed 0.05
Host match processed 1.87
Host information processed 0.08
Host MWEBV processed 0.06
Global aperture construction processed 0.58
Global aperture photometry processed 4.75
Validate global photometry processed 13.98
Global host SED inference processed 381.16
Local aperture photometry processed 4.47
Validate local photometry processed 0.02
Local host SED inference processed 442.38
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):17h52m40.50s, 65d39m53.15s
semi major axis, semi minor axis (arcsec):1.26, 1.26
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 45.08 0.34 19.765 0.008 AB
SDSS_i 63.78 2.19 19.388 0.037 AB
PanSTARRS_i 59.26 0.35 19.468 0.006 AB
PanSTARRS_z 65.82 0.93 19.354 0.015 AB
PanSTARRS_y 78.6 2.58 19.161 0.036 AB

Aperture details

RA, DEC (J2000):17h52m40.08s, 65d39m52.33s
semi major axis, semi minor axis (arcsec):8.51, 7.58
angle (degrees, anti-clockwise from east):-36.6
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 40.21 5.11 19.889 0.138 AB
GALEX_NUV 60.29 4.02 19.449 0.072 AB
SDSS_u 165.11 7.73 18.356 0.051 AB
SDSS_g 460.94 5.92 17.241 0.014 AB
PanSTARRS_g 480.92 2.1 17.195 0.005 AB
SDSS_r 729.93 7.63 16.742 0.011 AB
PanSTARRS_r 723.17 2.11 16.752 0.003 AB
SDSS_i 1002.81 9.42 16.397 0.010 AB
PanSTARRS_i 985.06 2.14 16.416 0.002 AB
PanSTARRS_z 1098.62 5.7 16.298 0.006 AB
SDSS_z 1128.46 20.4 16.269 0.020 AB
PanSTARRS_y 1307.77 15.85 16.109 0.013 AB
2MASS_J 1903.15 230.75 14.806 0.132 Vega
2MASS_H 1857.76 327.61 14.360 0.191 Vega
2MASS_K 968.3 411.81 14.597 0.462 Vega
WISE_W1 979.18 14.39 13.724 0.016 Vega
WISE_W2 683.94 15.26 13.473 0.024 Vega
WISE_W3 3309.69 52.59 9.927 0.017 Vega
WISE_W4 3575.78 298.28 8.397 0.091 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.990 9.199 9.372
{\rm log}_{10}({\rm SFR}) -1.471 -0.868 -0.078
{\rm log}_{10}({\rm sSFR}) -10.718 -10.134 -9.192
{\rm stellar\ age} 2.611 5.929 7.895

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.285 -0.659 -0.165
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.454 -0.645 0.103

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.129 0.457 0.948
\delta -0.661 -0.228 0.188
\tau_1/\tau_2 0.672 1.030 1.407
Q_{PAH} 1.048 2.830 5.185
U_{min} 3.231 8.339 15.351
{\rm log}_{10}(\gamma_e)\, -3.078 -1.974 -0.708

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.202 -0.695 -0.018
{\rm log}_{10}(\tau_{AGN})\, 1.051 1.480 1.927

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.675 -1.073 -0.610
0.03-0.10 Gyr -1.645 -0.844 0.039
0.10-0.33 Gyr -1.754 -0.814 -0.109
0.33-1.07 Gyr -2.034 -0.793 -0.188
1.07-3.48 Gyr -2.187 -0.825 -0.471
3.48-11.38 Gyr -1.924 -0.816 -0.484
11.38-12.64 Gyr -1.900 -0.817 -0.125

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.322 10.391 10.450
{\rm log}_{10}({\rm SFR}) 0.547 0.749 0.980
{\rm log}_{10}({\rm sSFR}) -9.874 -9.641 -9.382
{\rm stellar\ age} 5.223 6.217 7.108

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.261 -0.086 0.030
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.129 0.211 0.375

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.151 0.241 0.406
\delta -0.764 -0.490 -0.228
\tau_1/\tau_2 0.771 1.077 1.381
Q_{PAH} 1.369 2.960 4.814
U_{min} 2.177 6.423 13.189
{\rm log}_{10}(\gamma_e)\, -2.778 -1.950 -1.146

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.606 -2.368 -1.611
{\rm log}_{10}(\tau_{AGN})\, 1.083 1.527 1.911

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.234 0.353 0.468
0.03-0.10 Gyr 0.616 0.861 1.111
0.10-0.33 Gyr 0.535 0.741 0.956
0.33-1.07 Gyr 0.200 0.471 0.664
1.07-3.48 Gyr 0.257 0.477 0.654
3.48-11.38 Gyr 0.264 0.464 0.586
11.38-12.64 Gyr 0.067 0.494 0.870