2025nqn

Download data

Information

Transient

Name: AT2025nqn
Right ascension: 20h48m43.48s
Declination: -4d02m49.99s
Discovery Date: June 14, 2025, 10:29 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.044

Host

Name:
Right ascension: 20h48m43.34s
Declination: -4d02m45.76s
Redshift: None
Photometric Redshift: 0.098
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 12.68
Transient MWEBV processed 0.05
Host match processed 7.52
Host information processed 0.14
Host MWEBV processed 0.05
Global aperture construction processed 0.71
Global aperture photometry processed 4.74
Validate global photometry processed 14.25
Global host SED inference processed 417.86
Local aperture photometry processed 5.32
Validate local photometry processed 0.02
Local host SED inference processed 422.22
 

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) = 20h48m43.48s, -4d02m49.99s
semi major axis, semi minor axis (arcsec) = 1.1, 1.1
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 13.88 0.25 21.044 0.020 AB
PanSTARRS_z 23.62 0.77 20.467 0.035 AB
DES_z 25.68 0.88 20.376 0.037 AB
PanSTARRS_y 28.56 2.45 20.261 0.093 AB

Aperture details

RA, DEC (J2000) = 20h48m43.33s, -4d02m45.50s
semi major axis, semi minor axis (arcsec) = 12.04, 6.05
angle (degrees, anti-clockwise from east) = -79.18

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 15.54 3.43 20.921 0.240 AB
GALEX_NUV 20.18 2.02 20.638 0.109 AB
DES_g 462.25 1.09 17.238 0.003 AB
PanSTARRS_g 474.22 3.0 17.210 0.007 AB
PanSTARRS_r 988.5 2.67 16.413 0.003 AB
DES_r 1079.07 2.19 16.317 0.002 AB
PanSTARRS_i 1436.66 2.51 16.007 0.002 AB
PanSTARRS_z 1827.78 5.93 15.745 0.004 AB
DES_z 2026.99 7.76 15.633 0.004 AB
PanSTARRS_y 2148.04 18.52 15.570 0.009 AB
2MASS_J 3275.49 201.53 14.217 0.067 Vega
2MASS_H 3656.85 317.24 13.625 0.094 Vega
2MASS_K 3295.11 340.45 13.268 0.112 Vega
WISE_W1 1421.59 27.26 13.319 0.021 Vega
WISE_W2 854.58 33.6 13.232 0.043 Vega
WISE_W3 1019.87 159.98 11.205 0.170 Vega
WISE_W4 -835.17 648.93 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

Click the image to load the interactive plot.


Click the image to load the interactive plot.


 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.830 9.059 9.193
{\rm log}_{10}({\rm SFR}) -1.343 -0.757 -0.155
{\rm log}_{10}({\rm sSFR}) -10.405 -9.835 -9.043
{\rm stellar\ age} 2.352 6.260 7.701

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.326 -0.609 -0.074
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.378 -0.679 -0.017

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.551 1.037 1.554
\delta -0.292 -0.019 0.217
\tau_1/\tau_2 0.617 0.993 1.384
Q_{PAH} 0.809 2.721 5.218
U_{min} 3.321 8.261 15.556
{\rm log}_{10}(\gamma_e)\, -2.843 -1.673 -0.617

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.723 -0.639 0.042
{\rm log}_{10}(\tau_{AGN})\, 0.983 1.533 1.893

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.570 -0.728 -0.248
0.03-0.10 Gyr -1.704 -0.880 -0.140
0.10-0.33 Gyr -1.903 -1.106 -0.407
0.33-1.06 Gyr -2.012 -1.119 -0.502
1.06-3.45 Gyr -2.178 -0.989 -0.659
3.45-11.23 Gyr -2.172 -0.885 -0.639
11.23-12.48 Gyr -2.171 -0.929 -0.351

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.991 11.063 11.118
{\rm log}_{10}({\rm SFR}) -0.329 0.007 0.345
{\rm log}_{10}({\rm sSFR}) -11.356 -11.033 -10.702
{\rm stellar\ age} 7.917 10.634 11.759

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.565 -0.435 -0.336
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.573 -0.268 0.311

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.092 0.147 0.231
\delta -0.818 -0.535 -0.223
\tau_1/\tau_2 0.619 1.049 1.506
Q_{PAH} 0.576 1.944 4.173
U_{min} 2.691 7.980 14.996
{\rm log}_{10}(\gamma_e)\, -2.738 -1.601 -0.465

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.463 -3.507 -2.504
{\rm log}_{10}(\tau_{AGN})\, 1.080 1.583 1.962

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.074 -0.261 -0.014
0.03-0.10 Gyr -0.376 0.082 0.471
0.10-0.33 Gyr -1.397 -0.231 0.220
0.33-1.06 Gyr -2.443 -0.643 -0.078
1.06-3.45 Gyr -2.303 -0.540 0.108
3.45-11.23 Gyr -0.713 0.800 1.262
11.23-12.48 Gyr 1.307 2.098 2.262