2025gwh

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Information

Transient

Name: AT2025gwh
Right ascension: 9h37m47.76s
Declination: 11d07m11.32s
Discovery Date: March 29, 2025, 2:01 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.028

Host

Name: 2025gwh
Right ascension: 9h37m47.72s
Declination: 11d07m10.88s
Redshift: None
Photometric Redshift: 0.151
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.1
Cutout download processed 21.94
Global aperture construction processed 0.63
Local aperture photometry processed 6.48
Global aperture photometry processed 6.52
Validate local photometry no valid phot 0.03
Validate global photometry processed 18.15
Host information processed 0.08
Global host SED inference processed 407.06
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
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) = 9h37m47.76s, 11d07m11.32s
semi major axis, semi minor axis (arcsec) = 0.76, 0.76
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) = 9h37m47.71s, 11d07m11.05s
semi major axis, semi minor axis (arcsec) = 3.17, 2.79
angle (degrees, anti-clockwise from east) = -17.16

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.2 2.05 21.756 0.309 AB
GALEX_NUV 3.99 1.27 22.398 0.346 AB
SDSS_u 12.8 2.25 21.132 0.191 AB
SDSS_g 41.91 1.85 19.844 0.048 AB
PanSTARRS_g 46.28 0.59 19.737 0.014 AB
SDSS_r 97.25 2.84 18.930 0.032 AB
PanSTARRS_r 97.33 0.82 18.929 0.009 AB
DES_r 106.77 0.91 18.829 0.009 AB
SDSS_i 147.57 3.88 18.477 0.029 AB
PanSTARRS_i 133.42 0.95 18.587 0.008 AB
PanSTARRS_z 168.98 1.91 18.330 0.012 AB
SDSS_z 189.03 9.27 18.209 0.053 AB
DES_z 188.25 3.67 18.213 0.021 AB
PanSTARRS_y 196.77 4.55 18.165 0.025 AB
2MASS_J 240.11 79.83 17.054 0.361 Vega
2MASS_H 252.3 138.18 16.528 0.595 Vega
2MASS_K 408.52 126.27 15.534 0.336 Vega
WISE_W1 103.74 8.97 16.161 0.094 Vega
WISE_W2 68.44 11.17 15.973 0.177 Vega
WISE_W3 144.99 52.78 13.323 0.395 Vega
WISE_W4 583.39 394.78 10.365 0.735 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})\, 10.286 10.327 10.409
{\rm log}_{10}({\rm SFR}) -0.639 -0.333 -0.010
{\rm log}_{10}({\rm sSFR}) -10.979 -10.665 -10.355
{\rm stellar\ age} 7.004 7.764 10.289

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.752 -0.540 -0.368
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.404 -0.587 0.006

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.090 0.170 0.298
\delta -0.608 -0.245 0.068
\tau_1/\tau_2 0.591 0.979 1.387
Q_{PAH} 1.466 3.265 5.299
U_{min} 3.249 8.765 15.679
{\rm log}_{10}(\gamma_e)\, -1.624 -0.731 -0.226

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.161 -2.856 -1.451
{\rm log}_{10}(\tau_{AGN})\, 1.155 1.692 1.995

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.693 -0.413 -0.209
0.03-0.10 Gyr -0.720 -0.303 0.080
0.10-0.32 Gyr -1.151 -0.554 -0.180
0.32-1.03 Gyr -1.271 -0.680 -0.319
1.03-3.32 Gyr -1.174 -0.423 0.045
3.32-10.66 Gyr -0.018 0.526 0.623
10.66-11.85 Gyr 0.342 0.869 1.498