2025nlu

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Information

Transient

Name: AT2025nlu
Right ascension: 2h46m37.31s
Declination: -26d58m20.51s
Discovery Date: June 13, 2025, 7:01 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.015

Host

Name: ESO479-039
Right ascension: 2h46m37.62s
Declination: -26d58m18.84s
Redshift: 0.023783
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.93
Transient MWEBV processed 0.09
Host match processed 4.69
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 5.65
Validate global photometry processed 14.54
Global host SED inference processed 417.95
Local aperture photometry processed 6.01
Validate local photometry processed 0.02
Local host SED inference processed 482.02
 

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) = 2h46m37.31s, -26d58m20.51s
semi major axis, semi minor axis (arcsec) = 4.17, 4.17
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 1021.41 1.03 16.377 0.001 AB
PanSTARRS_g 1071.96 1.21 16.325 0.001 AB
PanSTARRS_r 2032.28 1.52 15.630 0.001 AB
DES_r 2162.3 1.66 15.563 0.001 AB
PanSTARRS_i 2841.83 1.5 15.266 0.001 AB
PanSTARRS_z 3674.17 3.2 14.987 0.001 AB
DES_z 3818.96 6.46 14.945 0.002 AB
PanSTARRS_y 4514.68 7.06 14.763 0.002 AB
2MASS_J 5628.66 107.14 13.629 0.021 Vega
2MASS_H 6934.22 172.52 12.930 0.027 Vega
2MASS_K 5981.68 192.96 12.620 0.035 Vega

Aperture details

RA, DEC (J2000) = 2h46m37.57s, -26d58m19.56s
semi major axis, semi minor axis (arcsec) = 36.55, 19.48
angle (degrees, anti-clockwise from east) = -106.9

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 497.61 15.57 17.158 0.034 AB
GALEX_NUV 685.25 10.65 16.810 0.017 AB
DES_g 7378.05 3.02 14.230 0.000 AB
PanSTARRS_r 12490.0 8.51 13.659 0.001 AB
PanSTARRS_z 19867.9 18.56 13.155 0.001 AB
DES_z 22056.4 16.41 13.041 0.001 AB
2MASS_J 30516.65 671.25 11.794 0.024 Vega
2MASS_H 35387.02 1096.14 11.160 0.034 Vega
2MASS_K 30952.57 1230.82 10.835 0.043 Vega
WISE_W1 17103.73 69.07 10.618 0.004 Vega
WISE_W2 12034.63 80.5 10.360 0.007 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})\, 9.875 10.030 10.165
{\rm log}_{10}({\rm SFR}) -0.933 -0.359 0.156
{\rm log}_{10}({\rm sSFR}) -10.991 -10.382 -9.768
{\rm stellar\ age} 6.189 7.938 11.330

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.415 -0.638 -0.329
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.698 -0.582 0.088

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.522 0.821 1.191
\delta -0.659 -0.310 -0.073
\tau_1/\tau_2 0.573 0.974 1.372
Q_{PAH} 0.919 2.592 4.626
U_{min} 2.222 7.140 13.579
{\rm log}_{10}(\gamma_e)\, -3.654 -2.951 -1.268

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.948 -1.563 -0.864
{\rm log}_{10}(\tau_{AGN})\, 0.956 1.488 2.030

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.725 -0.322 0.085
0.03-0.10 Gyr -1.698 -0.476 0.217
0.10-0.33 Gyr -2.060 -0.540 0.124
0.33-1.10 Gyr -1.863 -0.511 0.032
1.10-3.65 Gyr -1.647 -0.253 0.129
3.65-12.10 Gyr -0.757 0.058 0.274
12.10-13.44 Gyr -0.425 0.340 1.168

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.653 10.733 10.819
{\rm log}_{10}({\rm SFR}) -0.075 0.161 0.421
{\rm log}_{10}({\rm sSFR}) -10.794 -10.579 -10.348
{\rm stellar\ age} 6.814 7.948 10.069

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.642 -0.333 -0.032
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.793 -1.311 -0.175

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.196 0.338 0.516
\delta -0.161 0.100 0.268
\tau_1/\tau_2 0.565 0.928 1.339
Q_{PAH} 0.339 1.015 3.104
U_{min} 2.433 6.394 12.827
{\rm log}_{10}(\gamma_e)\, -3.501 -2.511 -1.595

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.751 -1.575 -1.312
{\rm log}_{10}(\tau_{AGN})\, 0.982 1.256 1.619

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.023 0.279 0.498
0.03-0.10 Gyr -0.464 0.060 0.456
0.10-0.33 Gyr -0.702 -0.040 0.342
0.33-1.10 Gyr -0.604 0.136 0.497
1.10-3.65 Gyr -0.451 0.487 0.847
3.65-12.10 Gyr 0.533 0.826 0.976
12.10-13.44 Gyr 0.439 0.992 1.635