2025hcd

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Information

Transient

Name: AT2025hcd
Right ascension: 21h24m42.89s
Declination: 66d14m06.79s
Discovery Date: March 24, 2025, 11:47 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.757

Host

Name: 2025hcd
Right ascension: 21h24m42.42s
Declination: 66d14m12.62s
Redshift: None
Photometric Redshift: 0.173
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 3.5
Cutout download processed 3.83
Global aperture construction processed 1.05
Local aperture photometry failed 1.51
Global aperture photometry processed 4.06
Validate local photometry not processed None
Validate global photometry processed 11.02
Host information processed 0.09
Global host SED inference processed 769.55
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.09
Host MWEBV processed 0.06
Log transient processing status blocked 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) = 21h24m42.89s, 66d14m06.79s
semi major axis, semi minor axis (arcsec) = 0.68, 0.68
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Aperture details

RA, DEC (J2000) = 21h24m42.34s, 66d14m12.42s
semi major axis, semi minor axis (arcsec) = 5.21, 3.3
angle (degrees, anti-clockwise from east) = -95.25

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 6.39 2.89 21.886 0.490 AB
PanSTARRS_g 26.51 1.17 20.341 0.048 AB
PanSTARRS_r 64.43 1.56 19.377 0.026 AB
PanSTARRS_i 121.54 1.86 18.688 0.017 AB
PanSTARRS_z 161.32 3.19 18.381 0.021 AB
PanSTARRS_y 196.81 8.56 18.165 0.047 AB
2MASS_J 330.98 120.25 16.706 0.394 Vega
2MASS_H 729.94 195.77 15.374 0.291 Vega
WISE_W1 221.11 24.01 15.339 0.118 Vega
WISE_W2 141.71 24.37 15.183 0.187 Vega
WISE_W3 309.95 61.74 12.498 0.216 Vega
WISE_W4 719.63 278.2 10.137 0.420 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.003 10.153 10.281
{\rm log}_{10}({\rm SFR}) -0.803 0.255 1.013
{\rm log}_{10}({\rm sSFR}) -10.890 -9.891 -9.123
{\rm stellar\ age} 0.218 0.645 1.837

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.150 -0.660 -0.220
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.344 -0.093 0.297

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.049 0.115 0.254
\delta -0.823 -0.343 0.214
\tau_1/\tau_2 0.450 0.937 1.430
Q_{PAH} 0.471 1.332 3.051
U_{min} 2.630 8.040 15.826
{\rm log}_{10}(\gamma_e)\, -3.450 -2.714 -1.687

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.284 -3.213 -2.251
{\rm log}_{10}(\tau_{AGN})\, 0.947 1.398 1.891

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.115 0.165 0.488
0.03-0.10 Gyr -2.189 0.202 1.148
0.10-0.32 Gyr 0.632 1.504 1.792
0.32-1.02 Gyr -1.507 0.933 1.447
1.02-3.27 Gyr -3.826 -1.630 0.044
3.27-10.45 Gyr -5.467 -2.307 -0.485
10.45-11.61 Gyr -5.652 -2.193 -0.388