2025iem

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Information

Transient

Name: AT2025iem
Right ascension: 23h29m51.36s
Declination: 27d38m15.45s
Discovery Date: April 20, 2025, 11:52 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.071

Host

Name: 2025iem
Right ascension: 23h29m51.30s
Declination: 27d38m15.85s
Redshift: None
Photometric Redshift: 0.126
 

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 2.1
Cutout download processed 19.72
Global aperture construction processed 0.67
Local aperture photometry processed 6.72
Global aperture photometry processed 7.02
Validate local photometry no valid phot 0.03
Validate global photometry processed 19.78
Host information processed 0.08
Global host SED inference processed 385.18
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.05
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) = 23h29m51.36s, 27d38m15.45s
semi major axis, semi minor axis (arcsec) = 0.89, 0.89
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) = 23h29m51.29s, 27d38m15.86s
semi major axis, semi minor axis (arcsec) = 5.79, 3.89
angle (degrees, anti-clockwise from east) = -116.9

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 6.02 1.58 21.951 0.284 AB
GALEX_NUV 11.25 1.09 21.272 0.105 AB
SDSS_u 25.5 4.29 20.384 0.183 AB
SDSS_g 62.63 2.42 19.408 0.042 AB
DES_g 59.55 0.4 19.463 0.007 AB
PanSTARRS_g 60.17 1.06 19.452 0.019 AB
SDSS_r 93.04 3.63 18.978 0.042 AB
PanSTARRS_r 98.13 1.7 18.921 0.019 AB
DES_r 100.2 1.18 18.898 0.013 AB
SDSS_i 126.47 5.77 18.645 0.050 AB
PanSTARRS_z 128.27 3.48 18.630 0.029 AB
SDSS_z 104.05 18.37 18.857 0.192 AB
PanSTARRS_y 127.46 7.79 18.637 0.066 AB
2MASS_J -20.02 133.0 Vega
2MASS_H -10.15 226.34 Vega
2MASS_K 432.77 211.31 15.472 0.530 Vega
WISE_W1 95.91 14.24 16.246 0.161 Vega
WISE_W2 66.4 15.26 16.006 0.249 Vega
WISE_W3 186.61 70.9 13.049 0.413 Vega
WISE_W4 104.01 322.88 12.237 3.370 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})\, 9.576 9.708 9.844
{\rm log}_{10}({\rm SFR}) 0.019 0.327 0.594
{\rm log}_{10}({\rm sSFR}) -9.722 -9.380 -9.071
{\rm stellar\ age} 3.757 5.353 6.620

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.475 -0.737 -0.223
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.320 -0.686 -0.097

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.181 0.314 0.480
\delta -0.626 -0.272 0.015
\tau_1/\tau_2 0.784 1.106 1.430
Q_{PAH} 0.872 2.599 4.860
U_{min} 2.693 7.539 14.674
{\rm log}_{10}(\gamma_e)\, -2.808 -1.845 -0.730

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.843 -2.236 -1.437
{\rm log}_{10}(\tau_{AGN})\, 0.936 1.399 1.843

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.311 0.036 0.240
0.03-0.10 Gyr 0.032 0.410 0.718
0.10-0.32 Gyr -0.026 0.323 0.591
0.32-1.05 Gyr -0.439 -0.030 0.272
1.05-3.38 Gyr -0.538 -0.200 0.034
3.38-10.93 Gyr -0.657 -0.286 -0.042
10.93-12.14 Gyr -0.845 -0.230 0.234