2025hdc results

Information

Transient
Name:AT2025hdc
Right ascension: 16h42m07.49s
Declination:-27d19m24.30s
Discovery Date:April 8, 2025, 2:06 p.m.
Classification:None
Redshift:None
MW E(B-V):0.312
Host
Name:2025hdc
Right ascension: 16h42m07.78s
Declination:-27d19m28.00s
Redshift:None
Photometric Redshift:0.065
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
GALEX_NUV
GALEX_FUV
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_g
DES_r
DES_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 3.62
Transient MWEBV processed 0.13
Host match processed 9.12
Host information processed 0.08
Host MWEBV processed 0.07
Global aperture construction processed 1.17
Global aperture photometry processed 4.3
Validate global photometry processed 12.9
Global host SED inference processed 460.3
Local aperture photometry processed 4.21
Validate local photometry processed 0.02
Local host SED inference processed 483.32
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):16h42m07.49s, -27d19m24.30s
semi major axis, semi minor axis (arcsec):1.61, 1.61
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 5.56 0.46 22.037 0.090 AB
PanSTARRS_r 8.24 0.5 21.611 0.066 AB
PanSTARRS_i 16.26 0.84 20.872 0.056 AB
PanSTARRS_z 21.9 1.54 20.549 0.076 AB
PanSTARRS_y 12.02 3.24 21.200 0.293 AB

Aperture details

RA, DEC (J2000):16h42m07.77s, -27d19m27.98s
semi major axis, semi minor axis (arcsec):2.11, 1.55
angle (degrees, anti-clockwise from east):-34.68
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 4.79 0.51 22.199 0.115 AB
PanSTARRS_r 9.89 0.54 21.412 0.059 AB
PanSTARRS_i 13.1 0.87 21.107 0.072 AB
PanSTARRS_z 23.0 1.57 20.496 0.074 AB
PanSTARRS_y 14.85 3.21 20.971 0.235 AB
2MASS_J 10.66 78.18 20.436 7.962 Vega
2MASS_H 89.26 117.96 17.656 1.435 Vega
2MASS_K 86.34 136.69 17.222 1.719 Vega
WISE_W1 -7.36 41.01 Vega
WISE_W2 15.66 34.14 17.574 2.367 Vega
WISE_W3 94.14 71.57 13.792 0.825 Vega
WISE_W4 -22.81 478.81 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.404 8.614 8.762
{\rm log}_{10}({\rm SFR}) -1.697 -1.268 -0.800
{\rm log}_{10}({\rm sSFR}) -10.335 -9.849 -9.256
{\rm stellar\ age} 2.142 5.693 7.292

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.325 -0.575 -0.055
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.897 -1.680 -1.257

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.345 0.679 1.102
\delta -0.356 0.005 0.270
\tau_1/\tau_2 0.558 0.910 1.278
Q_{PAH} 1.060 3.026 5.291
U_{min} 3.316 8.700 15.889
{\rm log}_{10}(\gamma_e)\, -2.693 -1.569 -0.563

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.208 -0.530 0.045
{\rm log}_{10}(\tau_{AGN})\, 0.984 1.552 1.977

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.560 -1.189 -0.863
0.03-0.10 Gyr -2.095 -1.387 -0.781
0.10-0.33 Gyr -1.891 -1.262 -0.634
0.33-1.08 Gyr -1.748 -1.136 -0.720
1.08-3.54 Gyr -2.312 -1.324 -1.017
3.54-11.61 Gyr -2.631 -1.429 -1.130
11.61-12.89 Gyr -2.761 -1.460 -0.883

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.458 8.667 8.831
{\rm log}_{10}({\rm SFR}) -2.501 -1.574 -0.597
{\rm log}_{10}({\rm sSFR}) -11.143 -10.251 -9.277
{\rm stellar\ age} 1.142 5.646 7.810

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.561 -0.826 -0.207
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.690 -1.060 -0.023

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.238 0.713 1.323
\delta -0.425 -0.012 0.258
\tau_1/\tau_2 0.618 0.984 1.442
Q_{PAH} 1.642 3.869 5.658
U_{min} 3.698 9.564 17.140
{\rm log}_{10}(\gamma_e)\, -2.834 -1.644 -0.530

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.660 -0.498 0.127
{\rm log}_{10}(\tau_{AGN})\, 1.125 1.531 1.906

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.392 -1.990 -1.147
0.03-0.10 Gyr -2.735 -1.566 -0.510
0.10-0.33 Gyr -2.530 -1.352 -0.446
0.33-1.08 Gyr -2.545 -1.346 -0.689
1.08-3.54 Gyr -3.077 -1.351 -0.985
3.54-11.61 Gyr -3.756 -1.453 -1.060
11.61-12.89 Gyr -3.991 -1.472 -0.706