2025zhi

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Information

Transient

Name: AT2025zhi
Right ascension: 21h14m10.88s
Declination: -12d34m03.86s
Discovery Date: Sept. 30, 2025, 6:33 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.043

Host

Name: 950955
Right ascension: 21h14m10.74s
Declination: -12d34m08.64s
Redshift: 0.050344
Photometric Redshift:
 

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
processed
 status
Local host SED inference
Local host SED inference
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 3.58
Cutout download processed 4.66
Global aperture construction processed 0.63
Local aperture photometry processed 5.66
Global aperture photometry processed 5.64
Validate local photometry processed 0.02
Validate global photometry processed 13.45
Host information processed 0.11
Global host SED inference processed 504.87
Local host SED inference processed 461.03
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.03
Processing status completed 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) = 21h14m10.88s, -12d34m03.86s
semi major axis, semi minor axis (arcsec) = 2.03, 2.03
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 82.33 0.44 19.111 0.006 AB
PanSTARRS_g 85.9 0.67 19.065 0.008 AB
PanSTARRS_r 145.46 0.8 18.493 0.006 AB
DES_r 151.86 1.11 18.446 0.008 AB
PanSTARRS_i 192.29 0.57 18.190 0.003 AB
PanSTARRS_z 230.32 1.67 17.994 0.008 AB
DES_z 235.91 3.0 17.968 0.014 AB
PanSTARRS_y 266.35 4.02 17.836 0.016 AB

Aperture details

RA, DEC (J2000) = 21h14m10.77s, -12d34m08.65s
semi major axis, semi minor axis (arcsec) = 15.3, 12.39
angle (degrees, anti-clockwise from east) = -175.64

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 1751.94 2.13 15.791 0.001 AB
PanSTARRS_g 1747.66 4.35 15.794 0.003 AB
DES_r 3205.31 5.35 15.135 0.002 AB
PanSTARRS_i 3888.6 3.77 14.926 0.001 AB
PanSTARRS_z 4649.96 11.11 14.731 0.003 AB
DES_z 5006.73 14.4 14.651 0.003 AB
PanSTARRS_y 5574.17 27.18 14.535 0.005 AB
2MASS_J 6291.02 375.57 13.508 0.065 Vega
2MASS_H 7953.98 607.17 12.781 0.083 Vega
2MASS_K 8060.75 616.86 12.296 0.083 Vega
WISE_W1 3959.59 53.79 12.207 0.015 Vega
WISE_W2 2534.7 67.96 12.051 0.029 Vega
WISE_W3 13849.75 206.09 8.372 0.016 Vega
WISE_W4 11483.74 1386.99 7.130 0.131 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.302 9.409 9.535
{\rm log}_{10}({\rm SFR}) -2.066 -1.208 -0.663
{\rm log}_{10}({\rm sSFR}) -11.569 -10.627 -10.076
{\rm stellar\ age} 5.973 7.462 9.245

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.617 -1.029 -0.655
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.781 -0.862 0.165

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.160 0.497 0.822
\delta -0.636 -0.142 0.216
\tau_1/\tau_2 0.672 1.028 1.386
Q_{PAH} 1.002 3.264 5.472
U_{min} 2.928 7.666 14.447
{\rm log}_{10}(\gamma_e)\, -3.119 -2.026 -0.678

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.643 -1.003 -0.360
{\rm log}_{10}(\tau_{AGN})\, 1.048 1.525 1.982

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.359 -1.487 -0.979
0.03-0.10 Gyr -2.278 -1.196 -0.562
0.10-0.33 Gyr -2.007 -0.998 -0.448
0.33-1.09 Gyr -1.879 -0.985 -0.487
1.09-3.57 Gyr -1.566 -0.706 -0.382
3.57-11.78 Gyr -0.854 -0.490 -0.308
11.78-13.08 Gyr -0.983 -0.369 0.244

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.565 10.674 10.791
{\rm log}_{10}({\rm SFR}) 0.140 0.640 0.964
{\rm log}_{10}({\rm sSFR}) -10.637 -10.046 -9.661
{\rm stellar\ age} 6.252 7.495 9.655

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.625 -0.377 -0.225
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.562 0.063 0.326

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.222 0.355 0.540
\delta -0.605 -0.283 0.127
\tau_1/\tau_2 0.676 1.065 1.482
Q_{PAH} 1.347 2.458 4.291
U_{min} 2.344 7.175 14.680
{\rm log}_{10}(\gamma_e)\, -2.801 -2.027 -1.523

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.540 -2.331 -1.575
{\rm log}_{10}(\tau_{AGN})\, 1.150 1.685 2.008

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.241 0.542 0.744
0.03-0.10 Gyr -0.117 0.650 1.067
0.10-0.33 Gyr -0.305 0.512 0.895
0.33-1.09 Gyr -0.486 0.287 0.643
1.09-3.57 Gyr -0.243 0.468 0.801
3.57-11.78 Gyr 0.380 0.743 0.929
11.78-13.08 Gyr 0.301 0.901 1.602