2025zhn

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Information

Transient

Name: AT2025zhn
Right ascension: 17h45m29.57s
Declination: 54d08m09.30s
Discovery Date: Sept. 30, 2025, 3:48 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.030

Host

Name:
Right ascension: 17h45m29.81s
Declination: 54d08m09.16s
Redshift: None
Photometric Redshift: 0.175
 

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 4.71
Cutout download processed 15.42
Global aperture construction processed 0.63
Local aperture photometry processed 4.66
Global aperture photometry processed 4.76
Validate local photometry no valid phot 0.02
Validate global photometry processed 13.64
Host information processed 0.11
Global host SED inference processed 440.65
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.06
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) = 17h45m29.57s, 54d08m09.30s
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

Data not available


Aperture details

RA, DEC (J2000) = 17h45m29.79s, 54d08m09.31s
semi major axis, semi minor axis (arcsec) = 5.01, 4.09
angle (degrees, anti-clockwise from east) = -96.62

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 5.13 3.88 22.125 0.821 AB
SDSS_g 77.46 2.61 19.177 0.037 AB
PanSTARRS_g 85.61 1.22 19.069 0.015 AB
SDSS_r 219.21 4.33 18.048 0.021 AB
PanSTARRS_r 222.61 1.38 18.031 0.007 AB
SDSS_i 332.61 5.73 17.595 0.019 AB
PanSTARRS_i 336.92 1.77 17.581 0.006 AB
PanSTARRS_z 428.61 3.55 17.320 0.009 AB
SDSS_z 510.53 13.41 17.130 0.029 AB
PanSTARRS_y 502.48 6.32 17.147 0.014 AB
2MASS_J 615.07 114.05 16.033 0.201 Vega
2MASS_H 820.1 197.27 15.248 0.261 Vega
2MASS_K 1175.7 192.71 14.386 0.178 Vega
WISE_W1 369.91 9.4 14.781 0.028 Vega
WISE_W2 245.96 12.55 14.584 0.055 Vega
WISE_W3 97.44 34.0 13.754 0.379 Vega
WISE_W4 126.89 201.07 12.021 1.720 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.735 10.853 11.006
{\rm log}_{10}({\rm SFR}) -2.595 -0.199 0.597
{\rm log}_{10}({\rm sSFR}) -13.768 -11.072 -10.214
{\rm stellar\ age} 5.429 6.831 10.406

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.295 -0.924 -0.704
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.535 -0.766 0.012

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.395 0.541 0.715
\delta -0.893 -0.711 -0.421
\tau_1/\tau_2 0.564 0.999 1.404
Q_{PAH} 0.897 2.740 5.167
U_{min} 2.831 8.819 17.365
{\rm log}_{10}(\gamma_e)\, -3.001 -1.740 -0.718

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.105 -2.697 -1.648
{\rm log}_{10}(\tau_{AGN})\, 0.991 1.463 1.892

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.366 -0.435 0.305
0.03-0.10 Gyr -3.473 -0.274 0.692
0.10-0.32 Gyr -3.138 -0.077 0.837
0.32-1.02 Gyr -2.837 -0.010 0.784
1.02-3.26 Gyr -1.880 0.609 1.064
3.26-10.42 Gyr -0.548 0.944 1.177
10.42-11.58 Gyr -0.057 1.102 2.138