2025hcu

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Information

Transient

Name: AT2025hcu
Right ascension: 8h10m26.40s
Declination: -11d51m45.68s
Discovery Date: March 27, 2025, 4:04 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.084

Host

Name: 2025hcu
Right ascension: 8h10m26.07s
Declination: -11d51m46.48s
Redshift: None
Photometric Redshift: 0.084
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 3.21
Cutout download processed 2.97
Global aperture construction processed 0.71
Local aperture photometry processed 4.11
Global aperture photometry processed 4.29
Validate local photometry processed 0.02
Validate global photometry processed 11.68
Host information processed 0.1
Global host SED inference processed 424.3
Local host SED inference processed 427.23
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.08
Log transient processing status processed None
 

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) = 8h10m26.40s, -11d51m45.68s
semi major axis, semi minor axis (arcsec) = 1.27, 1.27
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 9.44 0.39 21.463 0.045 AB
PanSTARRS_i 14.05 0.32 21.031 0.025 AB
PanSTARRS_z 18.12 1.12 20.755 0.067 AB
PanSTARRS_y 11.23 2.2 21.274 0.213 AB

Aperture details

RA, DEC (J2000) = 8h10m26.06s, -11d51m46.38s
semi major axis, semi minor axis (arcsec) = 5.55, 4.58
angle (degrees, anti-clockwise from east) = -87.91

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 185.51 1.12 18.229 0.007 AB
PanSTARRS_r 401.66 1.58 17.390 0.004 AB
PanSTARRS_i 616.28 1.29 16.926 0.002 AB
PanSTARRS_z 787.31 4.4 16.660 0.006 AB
PanSTARRS_y 891.9 8.7 16.524 0.011 AB
2MASS_J 1289.44 142.18 15.229 0.120 Vega
2MASS_H 980.46 210.55 15.054 0.233 Vega
2MASS_K 1216.56 263.15 14.349 0.235 Vega
WISE_W2 374.27 19.38 14.128 0.056 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.563 8.798 8.949
{\rm log}_{10}({\rm SFR}) -1.999 -1.319 -0.632
{\rm log}_{10}({\rm sSFR}) -10.834 -10.109 -9.362
{\rm stellar\ age} 2.755 6.262 7.847

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.580 -0.968 -0.234
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.652 -1.003 -0.133

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.502 0.934 1.481
\delta -0.264 0.042 0.275
\tau_1/\tau_2 0.612 0.999 1.364
Q_{PAH} 1.232 3.148 5.534
U_{min} 3.172 8.455 15.415
{\rm log}_{10}(\gamma_e)\, -2.864 -1.795 -0.742

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.006 -0.325 0.169
{\rm log}_{10}(\tau_{AGN})\, 1.216 1.630 2.020

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.250 -1.401 -0.834
0.03-0.10 Gyr -2.215 -1.365 -0.576
0.10-0.33 Gyr -2.137 -1.260 -0.609
0.33-1.07 Gyr -2.277 -1.309 -0.763
1.07-3.49 Gyr -2.288 -1.236 -0.917
3.49-11.38 Gyr -2.233 -1.188 -0.898
11.38-12.65 Gyr -2.332 -1.213 -0.575

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.434 10.538 10.663
{\rm log}_{10}({\rm SFR}) -4.245 -1.660 -0.490
{\rm log}_{10}({\rm sSFR}) -14.573 -12.210 -10.988
{\rm stellar\ age} 7.013 8.048 11.921

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.544 -1.046 -0.742
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.600 -0.761 0.109

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.340 0.512 0.702
\delta -0.795 -0.473 -0.149
\tau_1/\tau_2 0.531 0.970 1.387
Q_{PAH} 1.104 2.466 4.697
U_{min} 3.286 9.573 17.720
{\rm log}_{10}(\gamma_e)\, -3.119 -1.953 -0.811

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.171 -2.940 -1.857
{\rm log}_{10}(\tau_{AGN})\, 1.070 1.540 1.916

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.448 -2.010 -0.637
0.03-0.10 Gyr -5.169 -1.880 -0.461
0.10-0.33 Gyr -5.042 -1.844 -0.366
0.33-1.07 Gyr -4.455 -1.785 -0.212
1.07-3.49 Gyr -3.228 -0.689 0.496
3.49-11.38 Gyr -1.361 0.587 0.835
11.38-12.65 Gyr -0.509 0.941 1.808