2025hhn

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Information

Transient

Name: AT2025hhn
Right ascension: 9h58m17.37s
Declination: -20d29m11.04s
Discovery Date: Feb. 23, 2025, 8:57 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.036

Host

Name: 2025hhn
Right ascension: 9h58m17.26s
Declination: -20d29m12.14s
Redshift: None
Photometric Redshift: 0.200
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
no valid phot
 status
Local host SED inference
Local host SED inference
not processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 4.06
Cutout download processed 6.13
Global aperture construction processed 0.62
Local aperture photometry processed 4.76
Global aperture photometry processed 4.92
Validate local photometry no valid phot 0.02
Validate global photometry processed 12.54
Host information processed 0.08
Global host SED inference processed 462.55
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.06
Processing status blocked N/A N/A
 

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) = 9h58m17.37s, -20d29m11.04s
semi major axis, semi minor axis (arcsec) = 0.61, 0.61
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) = 9h58m17.25s, -20d29m12.11s
semi major axis, semi minor axis (arcsec) = 2.69, 2.64
angle (degrees, anti-clockwise from east) = -87.6

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.97 0.96 23.937 1.083 AB
GALEX_NUV 1.38 1.57 23.553 1.237 AB
PanSTARRS_g 19.97 0.68 20.649 0.037 AB
PanSTARRS_r 50.32 1.25 19.646 0.027 AB
PanSTARRS_i 81.85 0.89 19.118 0.012 AB
PanSTARRS_z 102.33 1.74 18.875 0.018 AB
DES_z 119.28 4.13 18.709 0.038 AB
PanSTARRS_y 107.43 4.28 18.822 0.043 AB
2MASS_J 320.32 98.37 16.741 0.333 Vega
2MASS_H 136.51 156.32 17.195 1.243 Vega
2MASS_K 0.85 182.89 22.244 234.807 Vega
WISE_W1 60.52 8.26 16.746 0.148 Vega
WISE_W2 16.88 13.34 17.492 0.858 Vega
WISE_W3 45.59 63.38 14.579 1.509 Vega
WISE_W4 476.26 376.35 10.585 0.858 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})\, 10.193 10.331 10.452
{\rm log}_{10}({\rm SFR}) -0.978 -0.101 0.483
{\rm log}_{10}({\rm sSFR}) -11.367 -10.465 -9.822
{\rm stellar\ age} 4.594 6.379 8.630

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.496 -0.984 -0.537
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.586 -0.413 0.310

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.390 0.607 0.877
\delta -0.836 -0.656 -0.446
\tau_1/\tau_2 0.620 1.038 1.423
Q_{PAH} 0.942 2.374 4.488
U_{min} 3.075 8.623 15.925
{\rm log}_{10}(\gamma_e)\, -2.905 -1.859 -0.681

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.415 -1.752 -0.911
{\rm log}_{10}(\tau_{AGN})\, 1.109 1.481 1.829

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.491 -0.292 0.143
0.03-0.10 Gyr -1.300 -0.085 0.590
0.10-0.32 Gyr -1.371 -0.022 0.634
0.32-1.01 Gyr -1.859 -0.031 0.546
1.01-3.20 Gyr -1.262 0.219 0.552
3.20-10.18 Gyr -0.568 0.456 0.667
10.18-11.31 Gyr -0.439 0.511 1.375