2025gdh results

Information

Transient
Name:AT2025gdh
Right ascension: 10h01m56.64s
Declination:1d26m55.36s
Discovery Date:Feb. 18, 2025, 4:53 a.m.
Classification:None
Redshift:None
MW E(B-V):0.019
Host
Name:2025gdh
Right ascension: 10h01m56.62s
Declination:1d26m55.88s
Redshift:0.086222
Photometric Redshift:0.103
 

Cutout Download Report

Downloaded Unavailable
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
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 16.24
Transient MWEBV processed 0.03
Host match processed 2.13
Host information processed 0.09
Host MWEBV processed 0.04
Global aperture construction processed 0.77
Global aperture photometry processed 5.61
Validate global photometry processed 16.42
Global host SED inference processed 379.22
Local aperture photometry processed 5.92
Validate local photometry processed 0.02
Local host SED inference processed 461.48
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):10h01m56.64s, 1d26m55.36s
semi major axis, semi minor axis (arcsec):1.24, 1.24
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 144.16 0.39 18.503 0.003 AB
PanSTARRS_i 234.77 0.49 17.973 0.002 AB
PanSTARRS_z 290.11 0.92 17.744 0.003 AB
PanSTARRS_y 323.64 2.04 17.625 0.007 AB

Aperture details

RA, DEC (J2000):10h01m56.61s, 1d26m56.03s
semi major axis, semi minor axis (arcsec):5.63, 3.35
angle (degrees, anti-clockwise from east):-15.41
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 14.24 0.19 21.016 0.015 AB
GALEX_NUV 20.98 0.13 20.596 0.007 AB
SDSS_u 53.84 4.43 19.572 0.089 AB
SDSS_g 185.71 3.84 18.228 0.022 AB
PanSTARRS_g 250.44 1.14 17.903 0.005 AB
SDSS_r 380.4 5.62 17.449 0.016 AB
PanSTARRS_r 444.17 1.23 17.281 0.003 AB
SDSS_i 488.4 7.01 17.178 0.016 AB
PanSTARRS_i 646.69 1.48 16.873 0.002 AB
PanSTARRS_z 782.61 2.85 16.666 0.004 AB
SDSS_z 608.55 16.19 16.939 0.029 AB
PanSTARRS_y 891.41 6.89 16.525 0.008 AB
2MASS_J 958.43 140.76 15.551 0.159 Vega
2MASS_H 1568.54 198.46 14.544 0.137 Vega
2MASS_K 1819.92 249.06 13.912 0.149 Vega
WISE_W1 536.24 16.02 14.378 0.032 Vega
WISE_W2 354.88 18.17 14.186 0.056 Vega
WISE_W3 822.62 62.92 11.438 0.083 Vega
WISE_W4 960.81 426.39 9.823 0.482 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.904 10.096 10.281
{\rm log}_{10}({\rm SFR}) -0.878 -0.210 0.337
{\rm log}_{10}({\rm sSFR}) -11.081 -10.325 -9.670
{\rm stellar\ age} 5.246 7.588 11.141

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.698 -0.983 -0.523
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.664 -0.826 0.154

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.564 0.931 1.290
\delta -0.730 -0.453 -0.130
\tau_1/\tau_2 0.567 0.987 1.384
Q_{PAH} 0.492 1.982 4.116
U_{min} 2.913 8.208 15.115
{\rm log}_{10}(\gamma_e)\, -3.251 -2.004 -0.889

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.823 -1.870 -0.370
{\rm log}_{10}(\tau_{AGN})\, 0.996 1.397 1.919

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.776 -0.234 0.160
0.03-0.10 Gyr -1.567 -0.287 0.395
0.10-0.33 Gyr -2.057 -0.529 0.203
0.33-1.07 Gyr -2.497 -0.625 0.178
1.07-3.48 Gyr -2.464 -0.443 0.144
3.48-11.36 Gyr -0.993 0.081 0.366
11.36-12.62 Gyr -0.460 0.398 1.315

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.431 10.466 10.547
{\rm log}_{10}({\rm SFR}) -0.426 -0.218 0.017
{\rm log}_{10}({\rm sSFR}) -10.907 -10.700 -10.478
{\rm stellar\ age} 7.557 8.474 11.159

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.377 -0.260 -0.156
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.150 -0.635 -0.208

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.085 0.127 0.190
\delta -0.841 -0.550 -0.210
\tau_1/\tau_2 0.778 1.183 1.569
Q_{PAH} 0.998 2.514 4.439
U_{min} 2.682 8.056 15.206
{\rm log}_{10}(\gamma_e)\, -2.186 -1.346 -0.567

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.191 -3.042 -1.972
{\rm log}_{10}(\tau_{AGN})\, 1.204 1.682 1.995

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.388 -0.227 -0.095
0.03-0.10 Gyr -0.563 -0.212 0.101
0.10-0.33 Gyr -0.734 -0.330 -0.028
0.33-1.07 Gyr -1.094 -0.532 -0.208
1.07-3.48 Gyr -1.040 -0.402 0.059
3.48-11.36 Gyr -0.023 0.615 0.719
11.36-12.62 Gyr 0.524 1.040 1.616