2025hcy

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Information

Transient

Name: AT2025hcy
Right ascension: 8h28m25.59s
Declination: 1d05m37.81s
Discovery Date: April 5, 2025, 5:42 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.038

Host

Name: 2025hcy
Right ascension: 8h28m25.37s
Declination: 1d05m37.52s
Redshift: 0.095006
Photometric Redshift: 0.104
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.8
Cutout download processed 20.42
Global aperture construction processed 0.83
Local aperture photometry processed 7.81
Global aperture photometry processed 7.52
Validate local photometry processed 0.03
Validate global photometry processed 20.94
Host information processed 0.09
Global host SED inference processed 388.7
Local host SED inference processed 447.8
Transient information processed 0.0
Transient MWEBV processed 0.11
Host MWEBV processed 0.04
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) = 8h28m25.59s, 1d05m37.81s
semi major axis, semi minor axis (arcsec) = 1.14, 1.14
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 45.16 0.62 19.763 0.015 AB
PanSTARRS_i 57.32 0.42 19.504 0.008 AB
PanSTARRS_z 70.21 0.75 19.284 0.012 AB
DES_z 88.26 1.97 19.036 0.024 AB
PanSTARRS_y 85.18 2.34 19.074 0.030 AB

Aperture details

RA, DEC (J2000) = 8h28m25.36s, 1d05m37.67s
semi major axis, semi minor axis (arcsec) = 10.24, 4.17
angle (degrees, anti-clockwise from east) = -95.64

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 5.78 0.78 21.995 0.147 AB
GALEX_NUV 12.03 0.77 21.199 0.070 AB
SDSS_u 44.8 4.92 19.772 0.119 AB
SDSS_g 261.07 4.64 17.858 0.019 AB
DES_g 286.18 1.21 17.758 0.005 AB
PanSTARRS_g 288.33 1.64 17.750 0.006 AB
SDSS_r 568.86 6.93 17.012 0.013 AB
PanSTARRS_r 586.07 1.72 16.980 0.003 AB
DES_r 640.1 2.44 16.884 0.004 AB
SDSS_i 888.43 9.32 16.528 0.011 AB
PanSTARRS_i 890.54 2.35 16.526 0.003 AB
PanSTARRS_z 1093.19 4.24 16.303 0.004 AB
SDSS_z 1136.99 23.27 16.261 0.022 AB
DES_z 1217.62 7.5 16.186 0.007 AB
PanSTARRS_y 1345.3 13.54 16.078 0.011 AB
2MASS_J 1566.43 197.74 15.018 0.137 Vega
2MASS_H 2273.07 290.73 14.141 0.139 Vega
2MASS_K 2394.33 350.65 13.614 0.159 Vega
WISE_W1 921.4 26.89 13.790 0.032 Vega
WISE_W2 569.22 32.6 13.673 0.062 Vega
WISE_W3 1313.89 99.21 10.930 0.082 Vega
WISE_W4 1259.15 650.63 9.530 0.561 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})\, 9.254 9.455 9.588
{\rm log}_{10}({\rm SFR}) -1.563 -0.828 -0.024
{\rm log}_{10}({\rm sSFR}) -11.027 -10.261 -9.304
{\rm stellar\ age} 2.338 6.312 7.904

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.908 -0.287 0.039
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.540 -0.724 0.048

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.287 0.685 1.212
\delta -0.510 -0.137 0.219
\tau_1/\tau_2 0.658 1.015 1.382
Q_{PAH} 1.047 2.877 5.045
U_{min} 3.021 7.986 15.533
{\rm log}_{10}(\gamma_e)\, -2.845 -1.633 -0.503

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.380 -0.726 -0.168
{\rm log}_{10}(\tau_{AGN})\, 0.931 1.454 1.931

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.223 -1.203 -0.616
0.03-0.10 Gyr -1.693 -0.779 0.111
0.10-0.33 Gyr -1.517 -0.682 -0.029
0.33-1.06 Gyr -1.555 -0.634 -0.029
1.06-3.46 Gyr -1.882 -0.592 -0.274
3.46-11.26 Gyr -1.915 -0.512 -0.255
11.26-12.51 Gyr -1.913 -0.450 0.157

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.709 10.738 10.790
{\rm log}_{10}({\rm SFR}) -0.219 0.000 0.234
{\rm log}_{10}({\rm sSFR}) -10.987 -10.745 -10.495
{\rm stellar\ age} 7.300 7.915 9.765

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.536 -0.379 -0.266
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.946 0.179 0.387

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.226 0.303 0.423
\delta -0.845 -0.644 -0.416
\tau_1/\tau_2 0.631 0.982 1.348
Q_{PAH} 0.475 1.413 2.923
U_{min} 2.365 6.985 14.079
{\rm log}_{10}(\gamma_e)\, -2.950 -1.782 -1.059

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.517 -3.624 -2.598
{\rm log}_{10}(\tau_{AGN})\, 1.032 1.517 1.917

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.008 0.136 0.258
0.03-0.10 Gyr -0.507 -0.083 0.266
0.10-0.33 Gyr -0.475 -0.068 0.245
0.33-1.06 Gyr -0.518 -0.088 0.212
1.06-3.46 Gyr -0.426 0.141 0.495
3.46-11.26 Gyr 0.685 0.940 1.015
11.26-12.51 Gyr 0.661 1.149 1.700