2025aadn

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Information

Transient

Name: AT2025aadn
Right ascension: 18h14m46.93s
Declination: 67d57m40.67s
Discovery Date: Oct. 12, 2025, 3:20 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.037

Host

Name:
Right ascension: 18h14m49.76s
Declination: 67d57m38.16s
Redshift: None
Photometric Redshift: 0.042
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 3.69
Transient MWEBV processed 0.18
Host match processed 6.54
Host information processed 0.13
Host MWEBV processed 0.07
Global aperture construction processed 0.64
Global aperture photometry processed 3.95
Validate global photometry processed 9.88
Global host SED inference processed 460.01
Local aperture photometry processed 3.88
Validate local photometry processed 0.02
Local host SED inference processed 471.48
 

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) = 18h14m46.93s, 67d57m40.67s
semi major axis, semi minor axis (arcsec) = 2.4, 2.4
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 23.83 0.82 20.457 0.038 AB
PanSTARRS_r 33.29 0.87 20.094 0.028 AB
PanSTARRS_i 48.17 0.76 19.693 0.017 AB
PanSTARRS_z 43.41 1.84 19.806 0.046 AB
PanSTARRS_y 50.8 5.08 19.635 0.109 AB

Aperture details

RA, DEC (J2000) = 18h14m49.70s, 67d57m38.05s
semi major axis, semi minor axis (arcsec) = 19.53, 14.93
angle (degrees, anti-clockwise from east) = -98.13

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 1823.31 5.98 15.748 0.004 AB
PanSTARRS_r 3126.19 6.1 15.162 0.002 AB
PanSTARRS_i 4884.83 5.46 14.678 0.001 AB
PanSTARRS_z 5651.37 13.0 14.520 0.002 AB
PanSTARRS_y 7057.37 35.82 14.278 0.006 AB
2MASS_H 9969.44 543.63 12.536 0.059 Vega
WISE_W1 4475.59 25.91 12.074 0.006 Vega
WISE_W4 5431.33 410.02 7.943 0.082 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})\, 8.321 8.516 8.666
{\rm log}_{10}({\rm SFR}) -1.574 -1.093 -0.554
{\rm log}_{10}({\rm sSFR}) -10.135 -9.619 -8.967
{\rm stellar\ age} 3.693 6.678 8.484

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.827 -1.486 -1.017
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.667 -0.883 0.129

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.417 0.819 1.195
\delta -0.319 0.073 0.294
\tau_1/\tau_2 0.706 1.072 1.451
Q_{PAH} 0.648 2.060 4.010
U_{min} 2.700 7.693 14.692
{\rm log}_{10}(\gamma_e)\, -3.136 -2.254 -1.234

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.497 -1.303 -0.482
{\rm log}_{10}(\tau_{AGN})\, 1.002 1.373 1.896

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.545 -1.112 -0.780
0.03-0.10 Gyr -1.730 -1.114 -0.457
0.10-0.33 Gyr -2.220 -1.471 -0.928
0.33-1.09 Gyr -2.602 -1.662 -1.174
1.09-3.60 Gyr -2.457 -1.559 -1.218
3.60-11.87 Gyr -2.237 -1.451 -1.209
11.87-13.19 Gyr -2.349 -1.453 -0.804

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.557 10.712 10.791
{\rm log}_{10}({\rm SFR}) -1.550 -0.051 0.637
{\rm log}_{10}({\rm sSFR}) -12.311 -10.695 -9.945
{\rm stellar\ age} 6.623 7.918 10.754

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.698 -0.476 -0.311
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.300 -0.518 -0.107

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.144 0.434 0.656
\delta -0.834 -0.488 -0.128
\tau_1/\tau_2 0.456 0.833 1.203
Q_{PAH} 0.246 1.037 4.074
U_{min} 1.923 6.209 13.009
{\rm log}_{10}(\gamma_e)\, -3.688 -3.029 -1.152

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.014 -2.422 -1.710
{\rm log}_{10}(\tau_{AGN})\, 1.015 1.408 1.844

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.533 -0.240 0.340
0.03-0.10 Gyr -2.511 -0.147 0.727
0.10-0.33 Gyr -2.397 -0.346 0.641
0.33-1.09 Gyr -1.987 -0.256 0.558
1.09-3.60 Gyr -1.137 0.283 0.728
3.60-11.87 Gyr 0.256 0.774 0.967
11.87-13.19 Gyr 0.286 0.999 1.742