2025ht

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Information

Transient

Name: AT2025ht
Right ascension: 4h31m16.69s
Declination: -53d36m41.33s
Discovery Date: Jan. 8, 2025, 4:48 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.007

Host

Name: 2025ht
Right ascension: 4h31m16.65s
Declination: -53d36m43.48s
Redshift: 0.042246
Photometric Redshift:
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 0.83
Cutout download processed 2.43
Global aperture construction processed 0.1
Local aperture photometry processed 0.54
Global aperture photometry processed 0.58
Validate local photometry no valid phot 0.01
Validate global photometry processed 0.83
Host information processed 0.08
Global host SED inference processed 1853.55
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.08
Host MWEBV processed 0.19
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) = 4h31m16.69s, -53d36m41.33s
semi major axis, semi minor axis (arcsec) = 2.4, 2.4
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error

Aperture details

RA, DEC (J2000) = 4h31m16.65s, -53d36m43.50s
semi major axis, semi minor axis (arcsec) = 9.36, 6.02
angle (degrees, anti-clockwise from east) = -155.78

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_NUV 10.08 3.3 21.391 0.355
2MASS_J 3459.51 239.16 14.158 0.075
2MASS_H 3824.77 349.87 13.576 0.099
2MASS_K 3340.35 363.34 13.253 0.118
WISE_W1 1396.09 13.38 13.339 0.010
WISE_W2 795.92 16.11 13.309 0.022
WISE_W3 129.84 37.77 13.442 0.316
WISE_W4 82.48 232.39 12.489 3.059
 

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})\, 10.022 10.300 10.443
{\rm log}_{10}({\rm SFR}) -4.499 -2.142 -1.126
{\rm log}_{10}({\rm sSFR}) -14.777 -12.459 -11.438
{\rm stellar\ age} 4.643 8.135 12.463

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.035 -0.584 -0.315
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.406 -0.748 -0.146

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.054 0.211 0.447
\delta -0.913 -0.680 -0.251
\tau_1/\tau_2 0.257 0.730 1.291
Q_{PAH} 0.234 0.977 2.918
U_{min} 2.988 8.529 16.190
{\rm log}_{10}(\gamma_e)\, -3.535 -2.629 -1.278

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.476 -3.625 -2.707
{\rm log}_{10}(\tau_{AGN})\, 0.996 1.491 1.933

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.234 -2.242 -1.104
0.03-0.10 Gyr -5.760 -2.629 -1.198
0.10-0.33 Gyr -5.930 -2.576 -1.019
0.33-1.09 Gyr -5.220 -1.842 0.062
1.09-3.60 Gyr -3.675 -0.881 0.490
3.60-11.87 Gyr -1.959 0.054 0.561
11.87-13.19 Gyr -1.199 0.565 1.574