2025nad

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Information

Transient

Name: AT2025nad
Right ascension: 2h23m21.63s
Declination: 44d47m47.48s
Discovery Date: June 6, 2025, 11:31 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.076

Host

Name: 2025nad
Right ascension: 2h23m21.53s
Declination: 44d47m47.33s
Redshift: None
Photometric Redshift: 0.083
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 15.38
Transient MWEBV processed 0.04
Host match processed 3.32
Host information processed 0.09
Host MWEBV processed 0.05
Global aperture construction processed 0.74
Global aperture photometry processed 5.61
Validate global photometry processed 17.4
Global host SED inference processed 386.94
Local aperture photometry processed 5.61
Validate local photometry processed 0.02
Local host SED inference processed 433.16
 

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) = 2h23m21.63s, 44d47m47.48s
semi major axis, semi minor axis (arcsec) = 1.28, 1.28
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 85.89 0.52 19.065 0.007 AB
SDSS_i 143.85 3.28 18.505 0.025 AB
PanSTARRS_i 131.18 0.56 18.605 0.005 AB
PanSTARRS_z 135.38 1.08 18.571 0.009 AB
PanSTARRS_y 154.22 2.18 18.430 0.015 AB

Aperture details

RA, DEC (J2000) = 2h23m21.52s, 44d47m47.71s
semi major axis, semi minor axis (arcsec) = 4.7, 3.86
angle (degrees, anti-clockwise from east) = -21.74

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 21.57 4.64 20.565 0.233 AB
GALEX_NUV 30.45 3.57 20.191 0.127 AB
SDSS_u 82.77 4.15 19.105 0.054 AB
SDSS_g 189.12 3.8 18.208 0.022 AB
PanSTARRS_g 202.99 1.32 18.131 0.007 AB
SDSS_r 275.52 4.78 17.800 0.019 AB
PanSTARRS_r 286.45 1.65 17.757 0.006 AB
SDSS_i 423.76 6.35 17.332 0.016 AB
PanSTARRS_i 416.1 1.76 17.352 0.005 AB
PanSTARRS_z 425.1 3.45 17.329 0.009 AB
SDSS_z 473.64 12.44 17.211 0.029 AB
PanSTARRS_y 493.01 7.08 17.168 0.016 AB
2MASS_J 635.2 125.47 15.998 0.214 Vega
2MASS_H 617.84 211.72 15.555 0.372 Vega
2MASS_K 815.42 199.2 14.784 0.265 Vega
WISE_W1 339.92 20.84 14.873 0.067 Vega
WISE_W2 246.52 25.06 14.581 0.110 Vega
WISE_W3 1387.24 76.66 10.871 0.060 Vega
WISE_W4 4230.87 669.27 8.214 0.172 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})\, 9.369 9.588 9.752
{\rm log}_{10}({\rm SFR}) -0.681 -0.231 0.234
{\rm log}_{10}({\rm sSFR}) -10.360 -9.843 -9.187
{\rm stellar\ age} 4.309 6.807 8.536

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.615 -1.021 -0.443
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.387 -0.496 0.197

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.300 0.608 0.945
\delta -0.651 -0.254 0.152
\tau_1/\tau_2 0.700 1.072 1.441
Q_{PAH} 0.542 2.229 4.617
U_{min} 2.813 7.684 14.513
{\rm log}_{10}(\gamma_e)\, -3.350 -2.145 -0.903

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.306 -1.184 -0.359
{\rm log}_{10}(\tau_{AGN})\, 1.010 1.532 1.952

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.429 -0.133 0.161
0.03-0.10 Gyr -1.076 -0.307 0.283
0.10-0.33 Gyr -1.421 -0.556 -0.027
0.33-1.07 Gyr -1.488 -0.651 -0.160
1.07-3.49 Gyr -1.373 -0.540 -0.201
3.49-11.40 Gyr -0.992 -0.367 -0.089
11.40-12.66 Gyr -1.170 -0.301 0.391

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.775 9.889 9.969
{\rm log}_{10}({\rm SFR}) 0.361 0.582 0.824
{\rm log}_{10}({\rm sSFR}) -9.575 -9.320 -8.985
{\rm stellar\ age} 5.121 6.374 7.387

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.556 -0.322 -0.138
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.052 0.240 0.381

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.141 0.244 0.443
\delta -0.802 -0.481 -0.191
\tau_1/\tau_2 0.721 1.068 1.414
Q_{PAH} 0.614 1.633 3.160
U_{min} 2.393 6.949 13.688
{\rm log}_{10}(\gamma_e)\, -3.326 -2.449 -1.559

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.770 -2.305 -1.710
{\rm log}_{10}(\tau_{AGN})\, 0.956 1.355 1.827

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.053 0.164 0.288
0.03-0.10 Gyr 0.439 0.695 0.957
0.10-0.33 Gyr -0.242 0.208 0.503
0.33-1.07 Gyr -0.599 -0.154 0.111
1.07-3.49 Gyr -0.467 -0.125 0.102
3.49-11.40 Gyr -0.360 -0.053 0.110
11.40-12.66 Gyr -0.470 0.027 0.438