2025igt

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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:
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 0.82
Cutout download processed 7.92
Global aperture construction processed 0.4
Local aperture photometry processed 2.04
Global aperture photometry processed 2.12
Validate local photometry processed 0.02
Validate global photometry processed 5.85
Host information processed 0.08
Global host SED inference processed 433.21
Local host SED inference processed 468.95
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
Processing status completed N/A N/A
 

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) = 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
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

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