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 (μJy){\rm (\mu Jy)} Flux error (μJy){\rm (\mu Jy)} Mag Mag error Mag sys

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

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
log10(M/M){\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.022 10.300 10.443
log10(SFR){\rm log}_{10}({\rm SFR}) -4.499 -2.142 -1.126
log10(sSFR){\rm log}_{10}({\rm sSFR}) -14.777 -12.459 -11.438
stellar age{\rm stellar\ age} 4.643 8.135 12.463

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
log10(Z/Z){\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.035 -0.584 -0.315
log10(Zgas/Z){\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.406 -0.748 -0.146

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
τ2\tau_2 0.054 0.211 0.447
δ\delta -0.913 -0.680 -0.251
τ1/τ2\tau_1/\tau_2 0.257 0.730 1.291
QPAHQ_{PAH} 0.234 0.977 2.918
UminU_{min} 2.988 8.529 16.190
log10(γe){\rm log}_{10}(\gamma_e)\, -3.535 -2.629 -1.278

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
log10(fAGN){\rm log}_{10}(f_{AGN})\, -4.476 -3.625 -2.707
log10(τAGN){\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