2025umu

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Information

Transient

Name: AT2025umu
Right ascension: 23h30m38.07s
Declination: -3d03m24.82s
Discovery Date: Aug. 17, 2025, 9:20 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.045

Host

Name: IC1492
Right ascension: 23h30m36.11s
Declination: -3d02m23.76s
Redshift: 0.017552
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 29.36
Transient MWEBV processed 0.04
Host match processed 4.16
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 6.41
Validate global photometry processed 17.41
Global host SED inference processed 489.12
Local aperture photometry processed 7.64
Validate local photometry processed 0.03
Local host SED inference processed 4342.7
 

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) = 23h30m38.07s, -3d03m24.82s
semi major axis, semi minor axis (arcsec) = 5.61, 5.61
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.63 0.39 24.401 0.675 AB
GALEX_NUV 1.4 0.37 23.535 0.288 AB
SDSS_u -2.99 6.02 AB
SDSS_g 30.18 2.33 20.201 0.084 AB
DES_g 35.82 0.49 20.015 0.015 AB
PanSTARRS_g 31.25 1.33 20.163 0.046 AB
SDSS_r 72.32 3.92 19.252 0.059 AB
PanSTARRS_r 69.65 2.23 19.293 0.035 AB
DES_r 91.02 1.15 19.002 0.014 AB
SDSS_i 111.07 5.88 18.786 0.058 AB
PanSTARRS_i 126.72 2.03 18.643 0.017 AB
PanSTARRS_z 165.08 4.52 18.356 0.030 AB
SDSS_z 153.86 17.97 18.432 0.127 AB
DES_z 188.57 2.8 18.211 0.016 AB
PanSTARRS_y 95.68 12.1 18.948 0.137 AB
2MASS_J 314.28 142.78 16.762 0.493 Vega
2MASS_H 609.78 231.51 15.569 0.412 Vega
2MASS_K 607.21 267.7 15.104 0.479 Vega

Aperture details

RA, DEC (J2000) = 23h30m36.09s, -3d02m23.39s
semi major axis, semi minor axis (arcsec) = 23.23, 19.48
angle (degrees, anti-clockwise from east) = -145.96

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 21.25 1.72 20.582 0.088 AB
GALEX_NUV 72.41 1.76 19.250 0.026 AB
SDSS_u 1852.23 25.08 15.731 0.015 AB
SDSS_g 10450.82 27.34 13.852 0.003 AB
DES_g 11432.43 5.15 13.755 0.000 AB
PanSTARRS_g 11504.48 5.93 13.748 0.001 AB
SDSS_r 22936.9 41.46 12.999 0.002 AB
PanSTARRS_r 23637.93 9.45 12.966 0.000 AB
DES_r 25375.96 14.01 12.889 0.001 AB
SDSS_i 34620.88 52.89 12.552 0.002 AB
PanSTARRS_z 44557.85 19.59 12.278 0.000 AB
DES_z 47272.48 38.64 12.213 0.001 AB
PanSTARRS_y 54136.4 50.01 12.066 0.001 AB
2MASS_J 68227.55 552.68 10.920 0.009 Vega
2MASS_H 84110.22 889.3 10.220 0.011 Vega
2MASS_K 70260.73 1026.9 9.945 0.016 Vega
WISE_W1 32196.95 148.56 9.931 0.005 Vega
WISE_W2 17219.8 134.41 9.971 0.008 Vega
WISE_W3 4679.02 255.79 9.551 0.059 Vega
WISE_W4 1682.36 1018.46 9.215 0.657 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})\, 8.581 8.695 8.813
{\rm log}_{10}({\rm SFR}) -2.741 -2.205 -1.760
{\rm log}_{10}({\rm sSFR}) -11.435 -10.902 -10.444
{\rm stellar\ age} 8.204 11.201 12.775

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.843 -1.482 -0.988
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.946 -1.698 -0.511

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.862 1.215 1.541
\delta -0.198 0.017 0.205
\tau_1/\tau_2 0.546 0.965 1.360
Q_{PAH} 0.308 1.131 4.260
U_{min} 2.805 7.991 15.638
{\rm log}_{10}(\gamma_e)\, -3.571 -2.826 -1.265

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.189 -0.360 0.072
{\rm log}_{10}(\tau_{AGN})\, 0.964 1.242 1.527

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.752 -2.615 -1.968
0.03-0.10 Gyr -2.938 -2.186 -1.675
0.10-0.33 Gyr -3.941 -2.498 -1.895
0.33-1.10 Gyr -4.793 -2.877 -2.044
1.10-3.66 Gyr -5.249 -2.908 -1.782
3.66-12.17 Gyr -3.419 -1.553 -1.136
12.17-13.52 Gyr -1.175 -0.357 -0.102

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.895 10.990 11.020
{\rm log}_{10}({\rm SFR}) -2.377 -1.792 -1.386
{\rm log}_{10}({\rm sSFR}) -13.399 -12.746 -12.331
{\rm stellar\ age} 9.042 12.422 12.834

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.443 -0.299 -0.194
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.557 -0.762 0.050

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.099 0.156 0.242
\delta -0.840 -0.594 -0.325
\tau_1/\tau_2 0.564 0.958 1.353
Q_{PAH} 0.103 0.364 0.816
U_{min} 3.636 9.171 16.312
{\rm log}_{10}(\gamma_e)\, -3.213 -2.503 -1.740

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.737 -4.196 -3.395
{\rm log}_{10}(\tau_{AGN})\, 1.099 1.660 1.993

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.712 -1.823 -1.370
0.03-0.10 Gyr -2.951 -1.888 -1.339
0.10-0.33 Gyr -3.063 -1.910 -1.255
0.33-1.10 Gyr -3.255 -1.847 -1.032
1.10-3.66 Gyr -2.948 -1.410 -0.380
3.66-12.17 Gyr -1.594 0.165 1.081
12.17-13.52 Gyr 1.389 2.081 2.135