2025ahsw

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Information

Transient

Name: AT2025ahsw
Right ascension: 1h44m41.33s
Declination: 16d28m45.24s
Discovery Date: Dec. 18, 2025, 8:09 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.068

Host

Name:
Right ascension: 1h44m41.06s
Declination: 16d28m42.07s
Redshift: None
Photometric Redshift: 0.133
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 13.14
Transient MWEBV processed 0.19
Host match processed 5.01
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 2.89
Global aperture photometry processed 5.97
Validate global photometry processed 2.58
Global host SED inference processed 442.76
Local aperture photometry processed 5.85
Validate local photometry no valid phot 0.03
Local host SED inference not processed 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) = 1h44m41.33s, 16d28m45.24s
semi major axis, semi minor axis (arcsec) = 0.85, 0.85
angle (degrees, anti-clockwise from east) = 0.0

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

Data not available


Aperture details

RA, DEC (J2000) = 1h44m41.04s, 16d28m42.42s
semi major axis, semi minor axis (arcsec) = 9.32, 7.51
angle (degrees, anti-clockwise from east) = -5.08

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 8.82 2.95 21.537 0.363 AB
GALEX_NUV 13.48 3.19 21.076 0.257 AB
PanSTARRS_g 73.23 2.09 19.238 0.031 AB
SDSS_r 130.99 5.43 18.607 0.045 AB
PanSTARRS_r 107.62 3.68 18.820 0.037 AB
DES_r 135.86 1.33 18.567 0.011 AB
SDSS_i 157.51 8.4 18.407 0.058 AB
PanSTARRS_i 136.9 2.91 18.559 0.023 AB
PanSTARRS_z 185.23 5.14 18.231 0.030 AB
SDSS_z 213.75 35.97 18.075 0.183 AB
DES_z 195.73 3.77 18.171 0.021 AB
PanSTARRS_y 194.25 14.9 18.179 0.083 AB
2MASS_J -89.5 156.89 Vega
2MASS_H 220.84 242.15 16.672 1.190 Vega
2MASS_K -84.56 325.48 Vega
WISE_W1 91.1 10.84 16.302 0.129 Vega
WISE_W2 88.88 15.91 15.689 0.194 Vega
WISE_W3 152.88 69.39 13.265 0.493 Vega
WISE_W4 476.74 401.14 10.584 0.914 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.836 9.966 10.098
{\rm log}_{10}({\rm SFR}) -0.974 0.264 0.749
{\rm log}_{10}({\rm sSFR}) -10.845 -9.713 -9.180
{\rm stellar\ age} 3.810 5.937 7.888

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.109 -0.718 -0.468
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.543 -0.603 0.198

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.111 0.248 0.448
\delta -0.592 -0.186 0.132
\tau_1/\tau_2 0.704 1.110 1.529
Q_{PAH} 0.603 1.886 4.132
U_{min} 3.195 9.466 17.129
{\rm log}_{10}(\gamma_e)\, -2.221 -1.170 -0.382

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.659 -2.078 -1.248
{\rm log}_{10}(\tau_{AGN})\, 1.151 1.632 1.987

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.457 -1.713 -0.899
0.03-0.10 Gyr -0.884 0.419 0.911
0.10-0.32 Gyr -0.190 0.539 0.863
0.32-1.04 Gyr -1.482 -0.033 0.427
1.04-3.36 Gyr -1.589 -0.070 0.245
3.36-10.85 Gyr -0.916 -0.028 0.212
10.85-12.06 Gyr -1.057 0.061 0.819