2025alfu

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Information

Transient

Name: AT2025alfu
Right ascension: 17h17m02.03s
Declination: 21d22m23.64s
Discovery Date: June 6, 2025, 9:05 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.048

Host

Name:
Right ascension: 17h17m01.94s
Declination: 21d22m23.66s
Redshift: None
Photometric Redshift: 0.090
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.12
Transient MWEBV processed 0.05
Host match processed 5.45
Host information processed 0.15
Host MWEBV processed 0.05
Global aperture construction processed 0.69
Global aperture photometry processed 5.8
Validate global photometry processed 17.36
Global host SED inference processed 466.51
Local aperture photometry processed 6.04
Validate local photometry processed 0.03
Local host SED inference processed 473.2
 

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) = 17h17m02.03s, 21d22m23.64s
semi major axis, semi minor axis (arcsec) = 1.2, 1.2
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 4.54 0.13 22.257 0.032 AB
PanSTARRS_r 6.07 0.32 21.943 0.056 AB
DES_r 6.67 0.25 21.840 0.041 AB
PanSTARRS_i 7.1 0.36 21.772 0.055 AB
PanSTARRS_z 7.56 0.76 21.704 0.109 AB
DES_z 9.38 0.65 21.469 0.075 AB
PanSTARRS_y 10.97 1.61 21.300 0.159 AB

Aperture details

RA, DEC (J2000) = 17h17m01.93s, 21d22m23.91s
semi major axis, semi minor axis (arcsec) = 3.45, 2.26
angle (degrees, anti-clockwise from east) = -46.52

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.84 1.36 23.237 0.802 AB
SDSS_u 5.01 2.69 22.151 0.583 AB
SDSS_g 15.11 1.34 20.952 0.096 AB
DES_g 15.5 0.26 20.924 0.019 AB
PanSTARRS_g 15.66 0.51 20.913 0.036 AB
SDSS_r 16.21 1.8 20.876 0.121 AB
PanSTARRS_r 22.36 0.72 20.527 0.035 AB
DES_r 21.21 0.49 20.584 0.025 AB
SDSS_i 25.31 2.49 20.392 0.107 AB
PanSTARRS_i 25.51 0.8 20.383 0.034 AB
PanSTARRS_z 25.21 1.7 20.396 0.073 AB
SDSS_z 5.95 11.14 21.964 2.033 AB
DES_z 27.06 1.19 20.319 0.048 AB
PanSTARRS_y 27.03 3.58 20.320 0.144 AB
2MASS_J 42.77 84.58 18.927 2.147 Vega
2MASS_H -1.92 133.13 Vega
2MASS_K -103.02 150.61 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})\, 7.794 8.070 8.275
{\rm log}_{10}({\rm SFR}) -2.161 -1.094 -0.278
{\rm log}_{10}({\rm sSFR}) -10.330 -9.223 -7.995
{\rm stellar\ age} 0.164 1.153 5.039

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.491 -0.655 -0.087
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.452 -0.697 0.040

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.321 0.698 1.329
\delta -0.371 0.023 0.268
\tau_1/\tau_2 0.614 1.076 1.514
Q_{PAH} 1.271 3.174 5.335
U_{min} 3.591 9.469 17.299
{\rm log}_{10}(\gamma_e)\, -2.774 -1.679 -0.637

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.741 -0.070 0.288
{\rm log}_{10}(\tau_{AGN})\, 1.142 1.484 1.882

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.729 -1.915 -1.225
0.03-0.10 Gyr -2.271 -1.009 -0.125
0.10-0.33 Gyr -2.613 -1.077 -0.398
0.33-1.06 Gyr -4.388 -1.697 -1.018
1.06-3.47 Gyr -6.132 -2.857 -1.607
3.47-11.32 Gyr -7.197 -3.469 -1.875
11.32-12.58 Gyr -7.495 -3.218 -1.727

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.430 8.632 8.783
{\rm log}_{10}({\rm SFR}) -1.693 -0.929 -0.072
{\rm log}_{10}({\rm sSFR}) -10.371 -9.573 -8.561
{\rm stellar\ age} 0.577 3.140 5.736

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.699 -1.179 -0.426
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.681 -0.869 0.133

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.132 0.399 0.847
\delta -0.679 -0.235 0.130
\tau_1/\tau_2 0.661 1.060 1.458
Q_{PAH} 1.434 3.310 5.337
U_{min} 3.278 9.259 16.573
{\rm log}_{10}(\gamma_e)\, -2.846 -1.662 -0.497

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.618 -0.662 -0.063
{\rm log}_{10}(\tau_{AGN})\, 1.005 1.407 1.816

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.056 -1.321 -0.826
0.03-0.10 Gyr -1.844 -0.853 0.073
0.10-0.33 Gyr -1.435 -0.633 -0.058
0.33-1.06 Gyr -2.489 -0.935 -0.441
1.06-3.47 Gyr -3.624 -1.494 -0.994
3.47-11.32 Gyr -4.180 -1.839 -1.219
11.32-12.58 Gyr -4.395 -1.885 -1.060