2025igt results

Information

Transient
Name:AT2025igt
Right ascension: 4h44m22.08s
Declination:-48d09m22.75s
Discovery Date:April 19, 2025, 12:50 a.m.
Classification:None
Redshift:None
MW E(B-V):0.011
Host
Name:2025igt
Right ascension: 4h44m21.73s
Declination:-48d09m22.18s
Redshift:0.075357
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
GALEX_NUV
GALEX_FUV
DES_g
DES_r
DES_z
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 7.92
Transient MWEBV processed 0.04
Host match processed 0.82
Host information processed 0.08
Host MWEBV processed 0.04
Global aperture construction processed 0.4
Global aperture photometry processed 2.12
Validate global photometry processed 5.85
Global host SED inference processed 433.21
Local aperture photometry processed 2.04
Validate local photometry processed 0.02
Local host SED inference processed 468.95
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):4h44m22.08s, -48d09m22.75s
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
DES_g 46.48 0.21 19.732 0.005 AB
DES_r 88.76 0.35 19.029 0.004 AB
DES_z 139.71 1.34 18.537 0.010 AB

Aperture details

RA, DEC (J2000):4h44m21.77s, -48d09m22.05s
semi major axis, semi minor axis (arcsec):14.53, 4.72
angle (degrees, anti-clockwise from east):83.68
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 24.33 3.7 20.435 0.165 AB
GALEX_NUV 30.05 2.75 20.205 0.099 AB
DES_g 499.29 0.76 17.154 0.002 AB
DES_r 977.63 1.22 16.425 0.001 AB
DES_z 1559.01 4.7 15.918 0.003 AB
2MASS_J 2097.33 256.42 14.701 0.133 Vega
2MASS_H 2490.2 339.03 14.042 0.148 Vega
2MASS_K 2357.59 396.71 13.631 0.183 Vega
WISE_W1 1272.69 16.27 13.439 0.014 Vega
WISE_W2 873.45 19.25 13.208 0.024 Vega
WISE_W3 3884.03 67.95 9.753 0.019 Vega
WISE_W4 5520.81 502.8 7.925 0.099 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.395 9.534 9.654
{\rm log}_{10}({\rm SFR}) -1.639 -0.863 -0.233
{\rm log}_{10}({\rm sSFR}) -11.244 -10.412 -9.727
{\rm stellar\ age} 5.318 7.310 9.604

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.592 -1.036 -0.542
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.544 -0.582 0.152

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.231 0.606 1.016
\delta -0.612 -0.214 0.154
\tau_1/\tau_2 0.646 1.005 1.368
Q_{PAH} 0.772 2.744 5.239
U_{min} 2.932 8.450 15.588
{\rm log}_{10}(\gamma_e)\, -3.112 -1.796 -0.603

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.213 -0.918 -0.140
{\rm log}_{10}(\tau_{AGN})\, 0.954 1.429 1.952

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.991 -0.934 -0.406
0.03-0.10 Gyr -1.950 -0.952 -0.145
0.10-0.33 Gyr -2.076 -1.016 -0.243
0.33-1.07 Gyr -2.061 -0.948 -0.291
1.07-3.51 Gyr -1.909 -0.673 -0.263
3.51-11.48 Gyr -0.994 -0.379 -0.178
11.48-12.76 Gyr -0.966 -0.257 0.482

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.390 10.513 10.621
{\rm log}_{10}({\rm SFR}) -0.597 -0.298 -0.015
{\rm log}_{10}({\rm sSFR}) -11.132 -10.802 -10.491
{\rm stellar\ age} 4.325 6.532 7.935

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.766 -0.370 -0.112
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.582 -0.142 0.254

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.171 0.288 0.449
\delta -0.547 -0.127 0.212
\tau_1/\tau_2 0.490 0.909 1.309
Q_{PAH} 1.728 3.723 5.421
U_{min} 2.414 7.422 14.604
{\rm log}_{10}(\gamma_e)\, -2.665 -1.745 -0.746

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.308 -1.465 -0.886
{\rm log}_{10}(\tau_{AGN})\, 1.129 1.661 1.989

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.520 -0.072 0.275
0.03-0.10 Gyr -2.283 -0.571 -0.122
0.10-0.33 Gyr -2.136 -0.527 0.019
0.33-1.07 Gyr -0.985 0.090 0.519
1.07-3.51 Gyr 0.161 0.715 0.990
3.51-11.48 Gyr -0.060 0.597 0.810
11.48-12.76 Gyr -0.634 0.513 1.092