2025ext

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Information

Transient

Name: AT2025ext
Right ascension: 10h39m43.49s
Declination: 3d02m16.93s
Discovery Date: March 6, 2025, 7:39 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.033

Host

Name: 2025ext
Right ascension: 10h39m43.50s
Declination: 3d02m17.52s
Redshift: None
Photometric Redshift: 0.148
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.25
Cutout download processed 14.32
Global aperture construction processed 0.69
Local aperture photometry processed 4.98
Global aperture photometry processed 5.06
Validate local photometry no valid phot 0.02
Validate global photometry processed 14.9
Host information processed 0.09
Global host SED inference processed 392.71
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.09
Host MWEBV processed 0.05
Log transient processing status blocked None
 

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) = 10h39m43.49s, 3d02m16.93s
semi major axis, semi minor axis (arcsec) = 0.78, 0.78
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) = 10h39m43.49s, 3d02m17.70s
semi major axis, semi minor axis (arcsec) = 3.8, 2.82
angle (degrees, anti-clockwise from east) = -49.57

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.84 1.79 22.765 0.682 AB
GALEX_NUV 1.93 0.34 23.185 0.189 AB
SDSS_u 13.44 2.47 21.079 0.199 AB
SDSS_g 47.01 2.06 19.719 0.048 AB
PanSTARRS_g 51.49 0.65 19.621 0.014 AB
SDSS_r 124.75 3.28 18.660 0.029 AB
PanSTARRS_r 124.55 1.04 18.662 0.009 AB
SDSS_i 189.75 4.41 18.205 0.025 AB
PanSTARRS_i 181.1 1.2 18.255 0.007 AB
PanSTARRS_z 225.22 2.19 18.019 0.011 AB
SDSS_z 239.49 10.21 17.952 0.046 AB
PanSTARRS_y 243.92 4.25 17.932 0.019 AB
2MASS_J 261.78 130.26 16.960 0.540 Vega
2MASS_H 594.67 169.86 15.597 0.310 Vega
2MASS_K 944.11 234.29 14.625 0.269 Vega
WISE_W1 172.89 11.73 15.607 0.074 Vega
WISE_W2 129.27 17.72 15.282 0.149 Vega
WISE_W3 -53.27 90.56 Vega
WISE_W4 662.06 560.46 10.228 0.919 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})\, 10.346 10.408 10.473
{\rm log}_{10}({\rm SFR}) -0.272 0.162 0.544
{\rm log}_{10}({\rm sSFR}) -10.691 -10.215 -9.837
{\rm stellar\ age} 6.498 7.203 9.438

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.179 -0.852 -0.599
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.167 -0.559 -0.139

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.376 0.519 0.682
\delta -0.823 -0.646 -0.459
\tau_1/\tau_2 0.703 1.078 1.449
Q_{PAH} 0.758 2.070 3.916
U_{min} 2.861 7.522 14.607
{\rm log}_{10}(\gamma_e)\, -2.784 -1.875 -1.001

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.014 -2.495 -1.491
{\rm log}_{10}(\tau_{AGN})\, 1.019 1.442 1.821

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.178 0.113 0.331
0.03-0.10 Gyr -0.468 0.191 0.634
0.10-0.32 Gyr -0.964 -0.115 0.331
0.32-1.03 Gyr -1.275 -0.290 0.137
1.03-3.33 Gyr -0.967 0.020 0.399
3.33-10.70 Gyr 0.273 0.597 0.722
10.70-11.89 Gyr 0.196 0.737 1.443