2025hei

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Information

Transient

Name: AT2025hei
Right ascension: 6h56m19.95s
Declination: 21d46m45.26s
Discovery Date: April 8, 2025, 3:56 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.069

Host

Name: 2025hei
Right ascension: 6h56m19.85s
Declination: 21d47m40.01s
Redshift: 0.087483
Photometric Redshift: 0.111
 

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
failed
 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 3.39
Cutout download processed 3.41
Global aperture construction processed 0.68
Local aperture photometry processed 4.31
Global aperture photometry processed 4.27
Validate local photometry processed 0.02
Validate global photometry processed 11.79
Host information processed 0.08
Global host SED inference processed 502.78
Local host SED inference failed 0.01
Transient information processed 0.0
Transient MWEBV processed 0.11
Host MWEBV processed 0.05
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) = 6h56m19.95s, 21d46m45.26s
semi major axis, semi minor axis (arcsec) = 1.22, 1.22
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 0.18 0.26 25.737 1.553 AB
PanSTARRS_i 0.79 0.55 24.151 0.747 AB
PanSTARRS_z 2.65 1.13 22.843 0.465 AB
PanSTARRS_y -1.13 2.09 AB

Aperture details

RA, DEC (J2000) = 6h56m19.84s, 21d47m40.11s
semi major axis, semi minor axis (arcsec) = 8.69, 7.23
angle (degrees, anti-clockwise from east) = -144.47

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 487.61 2.33 17.180 0.005 AB
PanSTARRS_r 1168.01 1.83 16.231 0.002 AB
PanSTARRS_i 1776.85 3.57 15.776 0.002 AB
PanSTARRS_z 2325.42 7.23 15.484 0.003 AB
2MASS_J 3803.05 192.22 14.055 0.055 Vega
2MASS_H 3914.05 308.8 13.551 0.086 Vega
2MASS_K 4187.56 341.44 13.007 0.089 Vega
WISE_W1 1678.52 34.02 13.139 0.022 Vega
WISE_W2 978.79 38.09 13.084 0.042 Vega
WISE_W3 305.14 102.51 12.515 0.365 Vega
WISE_W4 72.43 554.71 12.630 8.314 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})\, 11.009 11.138 11.198
{\rm log}_{10}({\rm SFR}) -6.273 -2.794 -0.838
{\rm log}_{10}({\rm sSFR}) -17.626 -13.984 -11.901
{\rm stellar\ age} 7.410 11.395 11.974

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.685 -1.356 -1.048
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.500 -0.698 0.124

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.465 0.593 0.706
\delta -0.841 -0.676 -0.527
\tau_1/\tau_2 0.473 0.952 1.459
Q_{PAH} 1.064 2.498 4.805
U_{min} 4.204 11.327 19.018
{\rm log}_{10}(\gamma_e)\, -2.894 -1.543 -0.533

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.350 -3.308 -2.272
{\rm log}_{10}(\tau_{AGN})\, 1.096 1.618 1.997

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -7.601 -3.815 -1.317
0.03-0.10 Gyr -7.012 -3.406 -0.861
0.10-0.33 Gyr -6.599 -3.522 -0.872
0.33-1.07 Gyr -6.323 -3.391 -0.789
1.07-3.48 Gyr -4.241 -1.966 0.206
3.48-11.35 Gyr -1.839 0.351 1.348
11.35-12.61 Gyr -0.244 2.248 2.350