2025mhg

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Information

Transient

Name: AT2025mhg
Right ascension: 18h40m59.73s
Declination: -22d40m01.20s
Discovery Date: May 22, 2025, 8:15 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.273

Host

Name: 2025mhg
Right ascension: 18h41m00.01s
Declination: -22d40m14.19s
Redshift: None
Photometric Redshift: 0.030
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 3.41
Transient MWEBV processed 0.1
Host match processed 18.65
Host information processed 0.09
Host MWEBV processed 0.04
Global aperture construction processed 1.41
Global aperture photometry processed 4.5
Validate global photometry processed 13.53
Global host SED inference processed 477.1
Local aperture photometry processed 4.46
Validate local photometry processed 0.02
Local host SED inference processed 628.03
 

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) = 18h40m59.73s, -22d40m01.20s
semi major axis, semi minor axis (arcsec) = 3.31, 3.31
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 3.01 1.26 22.704 0.456 AB
PanSTARRS_r 8.64 2.24 21.559 0.282 AB
PanSTARRS_i 22.87 3.11 20.502 0.147 AB
PanSTARRS_z 22.39 5.22 20.525 0.253 AB
PanSTARRS_y -50.76 11.7 AB
2MASS_J -33.91 130.14 Vega
2MASS_H -112.02 172.75 Vega
2MASS_K 36.72 178.52 18.150 5.279 Vega

Aperture details

RA, DEC (J2000) = 18h40m59.95s, -22d40m09.97s
semi major axis, semi minor axis (arcsec) = 1.28, 1.2
angle (degrees, anti-clockwise from east) = -171.58

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 6.31 0.48 21.900 0.082 AB
PanSTARRS_r 11.27 0.76 21.270 0.074 AB
PanSTARRS_i 15.03 0.97 20.958 0.070 AB
PanSTARRS_z 17.61 1.57 20.785 0.097 AB
PanSTARRS_y 14.61 3.26 20.989 0.243 AB
2MASS_J -34.22 112.75 Vega
2MASS_H -81.17 144.39 Vega
2MASS_K -172.06 154.59 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.613 8.108 8.424
{\rm log}_{10}({\rm SFR}) -1.878 -1.246 -0.704
{\rm log}_{10}({\rm sSFR}) -10.224 -9.470 -8.301
{\rm stellar\ age} 1.165 6.412 8.945

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.451 -0.828 -0.247
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.226 -0.584 0.026

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.831 1.405 1.916
\delta -0.243 -0.014 0.276
\tau_1/\tau_2 0.492 0.884 1.373
Q_{PAH} 0.355 1.354 3.381
U_{min} 3.173 8.434 15.493
{\rm log}_{10}(\gamma_e)\, -3.191 -1.962 -1.026

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.117 -2.370 -0.514
{\rm log}_{10}(\tau_{AGN})\, 0.964 1.437 1.947

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.880 -1.188 -0.683
0.03-0.10 Gyr -2.729 -1.450 -0.689
0.10-0.33 Gyr -4.037 -2.247 -1.450
0.33-1.10 Gyr -4.646 -2.326 -1.507
1.10-3.63 Gyr -4.965 -2.241 -1.592
3.63-12.02 Gyr -4.392 -2.076 -1.549
12.02-13.35 Gyr -4.200 -1.935 -1.005

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.637 7.855 7.982
{\rm log}_{10}({\rm SFR}) -2.545 -1.877 -1.214
{\rm log}_{10}({\rm sSFR}) -10.473 -9.798 -8.947
{\rm stellar\ age} 1.663 6.069 7.919

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.780 -1.404 -0.759
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.805 -1.342 -0.243

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.220 0.654 1.151
\delta -0.433 -0.009 0.261
\tau_1/\tau_2 0.554 0.915 1.329
Q_{PAH} 1.534 3.544 5.546
U_{min} 3.472 9.239 16.677
{\rm log}_{10}(\gamma_e)\, -2.816 -1.688 -0.711

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.044 -0.825 -0.091
{\rm log}_{10}(\tau_{AGN})\, 1.014 1.458 1.867

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.896 -2.061 -1.544
0.03-0.10 Gyr -2.666 -1.912 -1.108
0.10-0.33 Gyr -2.672 -1.943 -1.221
0.33-1.10 Gyr -2.956 -2.141 -1.587
1.10-3.63 Gyr -3.441 -2.226 -1.878
3.63-12.02 Gyr -3.739 -2.205 -1.898
12.02-13.35 Gyr -3.640 -2.203 -1.578