2025igy

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Information

Transient

Name: AT2025igy
Right ascension: 20h24m30.39s
Declination: -4d48m20.40s
Discovery Date: April 6, 2025, 11:24 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.054

Host

Name: 2025igy
Right ascension: 20h24m30.45s
Declination: -4d48m21.53s
Redshift: None
Photometric Redshift: 0.045
 

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 4.82
Cutout download processed 5.33
Global aperture construction processed 0.66
Local aperture photometry processed 4.42
Global aperture photometry processed 4.52
Validate local photometry processed 0.02
Validate global photometry processed 12.93
Host information processed 0.09
Global host SED inference processed 470.73
Local host SED inference processed 467.0
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.05
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) = 20h24m30.39s, -4d48m20.40s
semi major axis, semi minor axis (arcsec) = 2.28, 2.28
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 83.57 0.66 19.095 0.009 AB
PanSTARRS_r 132.77 0.77 18.592 0.006 AB
PanSTARRS_i 165.77 0.85 18.351 0.006 AB
PanSTARRS_z 186.96 1.8 18.221 0.010 AB
DES_z 205.34 4.7 18.119 0.025 AB
PanSTARRS_y 217.22 3.95 18.058 0.020 AB

Aperture details

RA, DEC (J2000) = 20h24m30.45s, -4d48m21.25s
semi major axis, semi minor axis (arcsec) = 13.87, 6.42
angle (degrees, anti-clockwise from east) = -63.19

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 39.05 5.6 19.921 0.156 AB
GALEX_NUV 40.26 3.93 19.888 0.106 AB
PanSTARRS_g 339.62 2.63 17.573 0.008 AB
PanSTARRS_r 541.98 3.09 17.065 0.006 AB
PanSTARRS_z 762.95 7.34 16.694 0.010 AB
DES_z 723.11 10.44 16.752 0.016 AB
2MASS_J 732.54 243.78 15.843 0.361 Vega
2MASS_H 335.72 410.39 16.217 1.327 Vega
2MASS_K 1090.94 441.21 14.468 0.439 Vega
WISE_W1 391.27 26.59 14.720 0.074 Vega
WISE_W2 195.71 28.17 14.832 0.156 Vega
WISE_W3 411.78 114.09 12.189 0.301 Vega
WISE_W4 1663.56 706.06 9.227 0.461 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})\, 8.964 9.105 9.231
{\rm log}_{10}({\rm SFR}) -1.609 -0.973 -0.390
{\rm log}_{10}({\rm sSFR}) -10.755 -10.104 -9.431
{\rm stellar\ age} 4.176 6.564 8.030

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.611 -1.017 -0.578
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.748 -0.587 0.293

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.151 0.469 0.871
\delta -0.634 -0.213 0.162
\tau_1/\tau_2 0.737 1.098 1.438
Q_{PAH} 0.945 2.665 5.373
U_{min} 2.781 7.691 14.653
{\rm log}_{10}(\gamma_e)\, -3.257 -2.216 -0.896

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.560 -1.464 -0.579
{\rm log}_{10}(\tau_{AGN})\, 1.012 1.483 1.946

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.820 -1.171 -0.765
0.03-0.10 Gyr -1.774 -0.938 -0.265
0.10-0.33 Gyr -1.440 -0.788 -0.229
0.33-1.09 Gyr -1.442 -0.883 -0.457
1.09-3.59 Gyr -1.454 -0.893 -0.625
3.59-11.84 Gyr -1.372 -0.843 -0.628
11.84-13.16 Gyr -1.623 -0.853 -0.287

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.659 9.750 9.841
{\rm log}_{10}({\rm SFR}) -1.027 -0.742 -0.406
{\rm log}_{10}({\rm sSFR}) -10.797 -10.480 -10.150
{\rm stellar\ age} 6.740 7.723 9.781

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.350 -1.100 -0.894
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.812 -0.893 0.294

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.032 0.072 0.141
\delta -0.444 0.013 0.292
\tau_1/\tau_2 0.580 0.932 1.313
Q_{PAH} 1.089 2.893 5.047
U_{min} 3.042 8.497 15.913
{\rm log}_{10}(\gamma_e)\, -2.531 -1.493 -0.595

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.202 -3.001 -2.101
{\rm log}_{10}(\tau_{AGN})\, 1.034 1.504 1.911

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.747 -0.967 -0.725
0.03-0.10 Gyr -1.171 -0.683 -0.259
0.10-0.33 Gyr -1.314 -0.710 -0.357
0.33-1.09 Gyr -1.419 -0.725 -0.393
1.09-3.59 Gyr -1.265 -0.492 -0.162
3.59-11.84 Gyr -0.409 -0.131 0.008
11.84-13.16 Gyr -0.563 0.000 0.675