2025hdr

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Information

Transient

Name: AT2025hdr
Right ascension: 9h54m31.75s
Declination: 74d46m29.00s
Discovery Date: April 7, 2025, 7:46 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.030

Host

Name: 2025hdr
Right ascension: 9h54m32.76s
Declination: 74d46m27.72s
Redshift: None
Photometric Redshift: 0.182
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.86
Cutout download processed 4.59
Global aperture construction processed 0.97
Local aperture photometry processed 4.25
Global aperture photometry processed 4.24
Validate local photometry no valid phot 0.02
Validate global photometry processed 12.31
Host information processed 0.09
Global host SED inference processed 393.0
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.07
Host MWEBV processed 0.05
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) = 9h54m31.75s, 74d46m29.00s
semi major axis, semi minor axis (arcsec) = 0.65, 0.65
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) = 9h54m32.79s, 74d46m27.76s
semi major axis, semi minor axis (arcsec) = 5.27, 3.8
angle (degrees, anti-clockwise from east) = -106.29

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 6.32 2.48 21.898 0.425 AB
GALEX_NUV 5.91 0.53 21.970 0.097 AB
PanSTARRS_g 29.65 1.18 20.220 0.043 AB
PanSTARRS_r 55.72 1.68 19.535 0.033 AB
PanSTARRS_i 72.03 1.7 19.256 0.026 AB
PanSTARRS_z 78.63 3.22 19.161 0.044 AB
PanSTARRS_y 96.98 11.6 18.933 0.130 AB
2MASS_J 20.82 123.38 19.709 6.433 Vega
2MASS_H 237.86 205.81 16.592 0.939 Vega
2MASS_K 183.84 199.69 16.401 1.179 Vega
WISE_W1 38.97 7.92 17.224 0.221 Vega
WISE_W2 22.07 9.13 17.201 0.449 Vega
WISE_W3 41.5 44.16 14.681 1.155 Vega
WISE_W4 -241.11 323.68 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})\, 9.898 9.976 10.069
{\rm log}_{10}({\rm SFR}) -0.128 0.165 0.458
{\rm log}_{10}({\rm sSFR}) -10.132 -9.840 -9.499
{\rm stellar\ age} 5.220 6.223 7.366

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.246 -0.716 -0.241
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.498 -0.809 -0.035

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.116 0.221 0.395
\delta -0.731 -0.317 0.039
\tau_1/\tau_2 0.815 1.138 1.500
Q_{PAH} 1.091 2.767 4.729
U_{min} 2.863 8.103 14.892
{\rm log}_{10}(\gamma_e)\, -2.460 -1.476 -0.618

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.695 -1.756 -1.015
{\rm log}_{10}(\tau_{AGN})\, 1.076 1.456 1.841

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.370 -0.107 0.172
0.03-0.10 Gyr -0.109 0.242 0.568
0.10-0.32 Gyr -0.237 0.110 0.369
0.32-1.02 Gyr -0.481 -0.069 0.214
1.02-3.25 Gyr -0.391 -0.024 0.199
3.25-10.35 Gyr -0.090 0.115 0.268
10.35-11.50 Gyr -0.215 0.226 0.702