2025agtm

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Information

Transient

Name: AT2025agtm
Right ascension: 7h00m31.04s
Declination: 78d28m49.52s
Discovery Date: Dec. 5, 2025, 7:07 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.042

Host

Name:
Right ascension: 7h00m31.71s
Declination: 78d28m48.80s
Redshift: None
Photometric Redshift: 0.049
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 5.85
Transient MWEBV processed 0.05
Host match processed 5.3
Host information processed 0.22
Host MWEBV processed 0.11
Global aperture construction processed 0.66
Global aperture photometry processed 4.84
Validate global photometry processed 11.47
Global host SED inference processed 424.98
Local aperture photometry processed 4.03
Validate local photometry processed 0.02
Local host SED inference processed 438.79
 

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) = 7h00m31.04s, 78d28m49.52s
semi major axis, semi minor axis (arcsec) = 2.09, 2.09
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 89.86 0.64 19.016 0.008 AB
PanSTARRS_r 182.94 0.86 18.244 0.005 AB
PanSTARRS_i 267.86 1.19 17.830 0.005 AB
PanSTARRS_z 332.81 2.74 17.595 0.009 AB
PanSTARRS_y 422.74 4.67 17.335 0.012 AB

Aperture details

RA, DEC (J2000) = 7h00m31.69s, 78d28m48.95s
semi major axis, semi minor axis (arcsec) = 7.91, 6.09
angle (degrees, anti-clockwise from east) = -4.39

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 18.5 3.05 20.732 0.179 AB
GALEX_NUV 32.72 2.57 20.113 0.085 AB
PanSTARRS_g 339.31 2.04 17.574 0.007 AB
PanSTARRS_r 667.48 2.74 16.839 0.004 AB
PanSTARRS_i 976.84 3.84 16.425 0.004 AB
PanSTARRS_z 1213.44 8.94 16.190 0.008 AB
PanSTARRS_y 1600.47 15.3 15.889 0.010 AB
2MASS_J 1979.06 144.43 14.764 0.079 Vega
2MASS_H 2221.17 202.2 14.166 0.099 Vega
2MASS_K 2206.5 247.64 13.703 0.122 Vega
WISE_W1 1302.57 20.13 13.414 0.017 Vega
WISE_W3 1322.95 151.19 10.922 0.124 Vega
WISE_W4 1153.79 334.74 9.625 0.315 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})\, 9.512 9.655 9.821
{\rm log}_{10}({\rm SFR}) -1.608 -0.817 -0.205
{\rm log}_{10}({\rm sSFR}) -11.334 -10.478 -9.776
{\rm stellar\ age} 5.529 7.363 9.941

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.376 -0.682 -0.254
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.519 -0.058 0.337

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.439 0.928 1.367
\delta -0.601 -0.195 0.155
\tau_1/\tau_2 0.684 1.023 1.350
Q_{PAH} 0.526 1.997 4.316
U_{min} 2.774 8.094 14.923
{\rm log}_{10}(\gamma_e)\, -3.395 -2.121 -0.841

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.731 -1.568 -0.637
{\rm log}_{10}(\tau_{AGN})\, 0.926 1.361 1.921

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.715 -0.782 -0.290
0.03-0.10 Gyr -1.926 -0.893 -0.164
0.10-0.33 Gyr -1.965 -0.813 -0.174
0.33-1.09 Gyr -1.833 -0.677 -0.182
1.09-3.58 Gyr -1.524 -0.451 -0.133
3.58-11.79 Gyr -0.893 -0.309 -0.078
11.79-13.10 Gyr -0.831 -0.156 0.660

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.294 10.357 10.404
{\rm log}_{10}({\rm SFR}) -0.578 -0.274 0.026
{\rm log}_{10}({\rm sSFR}) -10.913 -10.612 -10.292
{\rm stellar\ age} 8.409 11.264 12.295

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.354 -0.133 0.031
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.151 0.289 0.424

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.194 0.354 0.557
\delta -0.219 0.112 0.289
\tau_1/\tau_2 0.550 0.943 1.364
Q_{PAH} 0.333 1.001 2.486
U_{min} 2.588 7.174 14.133
{\rm log}_{10}(\gamma_e)\, -3.359 -2.456 -1.609

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.881 -2.104 -1.449
{\rm log}_{10}(\tau_{AGN})\, 0.849 1.112 1.612

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.683 -0.354 -0.120
0.03-0.10 Gyr -0.819 -0.262 0.127
0.10-0.33 Gyr -1.942 -0.864 -0.371
0.33-1.09 Gyr -2.710 -1.280 -0.696
1.09-3.58 Gyr -2.432 -1.168 -0.510
3.58-11.79 Gyr -1.131 0.013 0.511
11.79-13.10 Gyr 0.659 1.379 1.513