2025unu

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Information

Transient

Name: AT2025unu
Right ascension: 15h58m10.21s
Declination: 42d59m28.52s
Discovery Date: Aug. 19, 2025, 6:21 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.013

Host

Name:
Right ascension: 15h58m10.18s
Declination: 42d59m27.45s
Redshift: 0.061159
Photometric Redshift: 0.074
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 27.25
Transient MWEBV processed 0.09
Host match processed 5.78
Host information processed 0.19
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 4.58
Validate global photometry processed 14.16
Global host SED inference processed 560.92
Local aperture photometry processed 5.3
Validate local photometry processed 0.02
Local host SED inference processed 528.34
 

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) = 15h58m10.21s, 42d59m28.52s
semi major axis, semi minor axis (arcsec) = 1.7, 1.7
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 15.01 1.41 20.959 0.102 AB
SDSS_g 35.75 1.61 20.017 0.049 AB
PanSTARRS_g 37.42 0.4 19.967 0.012 AB
SDSS_r 59.48 2.11 19.464 0.038 AB
PanSTARRS_r 59.86 0.46 19.457 0.008 AB
SDSS_i 83.83 2.66 19.092 0.034 AB
PanSTARRS_i 71.86 0.51 19.259 0.008 AB
PanSTARRS_z 88.01 1.13 19.039 0.014 AB
SDSS_z 101.09 4.77 18.888 0.051 AB
PanSTARRS_y 95.29 2.78 18.952 0.032 AB

Aperture details

RA, DEC (J2000) = 15h58m10.15s, 42d59m27.70s
semi major axis, semi minor axis (arcsec) = 9.89, 4.06
angle (degrees, anti-clockwise from east) = -47.04

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 12.15 3.48 21.189 0.311 AB
GALEX_NUV 21.27 3.14 20.581 0.160 AB
SDSS_u 79.96 4.49 19.143 0.061 AB
SDSS_g 138.16 3.47 18.549 0.027 AB
PanSTARRS_g 143.35 1.42 18.509 0.011 AB
SDSS_r 216.14 4.59 18.063 0.023 AB
PanSTARRS_r 222.97 1.66 18.029 0.008 AB
SDSS_i 297.0 6.39 17.718 0.023 AB
PanSTARRS_i 260.01 1.88 17.863 0.008 AB
PanSTARRS_z 318.59 4.11 17.642 0.014 AB
SDSS_z 409.6 15.93 17.369 0.042 AB
PanSTARRS_y 354.42 10.24 17.526 0.031 AB
2MASS_J 661.46 162.34 15.954 0.266 Vega
2MASS_H 212.49 260.13 16.714 1.329 Vega
2MASS_K 135.05 258.06 16.736 2.075 Vega
WISE_W1 216.79 8.4 15.361 0.042 Vega
WISE_W2 158.28 11.57 15.062 0.079 Vega
WISE_W3 213.16 41.73 12.904 0.213 Vega
WISE_W4 287.15 248.54 11.135 0.940 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})\, 8.887 9.040 9.159
{\rm log}_{10}({\rm SFR}) -2.277 -1.369 -0.389
{\rm log}_{10}({\rm sSFR}) -11.330 -10.416 -9.368
{\rm stellar\ age} 3.448 6.436 7.889

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.397 -0.800 -0.335
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.669 -0.797 0.134

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.115 0.481 1.022
\delta -0.583 -0.097 0.238
\tau_1/\tau_2 0.657 1.023 1.398
Q_{PAH} 0.962 2.636 5.016
U_{min} 3.315 8.845 16.608
{\rm log}_{10}(\gamma_e)\, -2.747 -1.348 -0.349

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.844 -0.518 -0.028
{\rm log}_{10}(\tau_{AGN})\, 0.986 1.566 2.018

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.102 -1.926 -1.219
0.03-0.10 Gyr -2.365 -1.280 -0.252
0.10-0.33 Gyr -1.653 -0.910 -0.203
0.33-1.08 Gyr -2.087 -1.033 -0.566
1.08-3.55 Gyr -2.178 -0.964 -0.668
3.55-11.65 Gyr -1.926 -0.925 -0.704
11.65-12.94 Gyr -2.035 -0.964 -0.333

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.339 9.529 9.698
{\rm log}_{10}({\rm SFR}) -0.097 0.269 0.651
{\rm log}_{10}({\rm sSFR}) -9.706 -9.249 -8.762
{\rm stellar\ age} 5.222 7.210 10.703

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.923 -0.560 -0.356
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.535 -0.315 0.362

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.197 0.321 0.516
\delta -0.806 -0.535 -0.272
\tau_1/\tau_2 0.542 0.988 1.408
Q_{PAH} 0.388 1.188 2.728
U_{min} 2.988 8.975 16.263
{\rm log}_{10}(\gamma_e)\, -3.229 -2.333 -1.357

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.597 -2.377 -1.791
{\rm log}_{10}(\tau_{AGN})\, 0.960 1.304 1.772

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.903 -2.571 -1.384
0.03-0.10 Gyr 0.063 0.431 0.814
0.10-0.33 Gyr -3.047 -0.938 -0.081
0.33-1.08 Gyr -4.161 -1.509 -0.552
1.08-3.55 Gyr -3.192 -0.776 -0.302
3.55-11.65 Gyr -1.893 -0.521 -0.246
11.65-12.94 Gyr -1.661 -0.244 0.680