2025shg

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Information

Transient

Name: AT2025shg
Right ascension: 21h32m27.54s
Declination: -11d00m48.91s
Discovery Date: July 24, 2025, 9:56 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.039

Host

Name:
Right ascension: 21h32m27.67s
Declination: -11d00m48.33s
Redshift: None
Photometric Redshift: 0.144
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 21.73
Transient MWEBV processed 0.05
Host match processed 6.47
Host information processed 0.14
Host MWEBV processed 0.05
Global aperture construction processed 2.92
Global aperture photometry processed 4.99
Validate global photometry processed 13.89
Global host SED inference processed 485.49
Local aperture photometry processed 5.54
Validate local photometry no valid phot 0.02
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) = 21h32m27.54s, -11d00m48.91s
semi major axis, semi minor axis (arcsec) = 0.79, 0.79
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) = 21h32m27.67s, -11d00m47.91s
semi major axis, semi minor axis (arcsec) = 4.59, 3.78
angle (degrees, anti-clockwise from east) = -139.44

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.8 1.43 22.450 0.409 AB
GALEX_NUV 4.12 0.55 22.363 0.145 AB
DES_g 17.64 0.28 20.784 0.017 AB
PanSTARRS_g 17.43 0.99 20.797 0.062 AB
PanSTARRS_r 20.13 1.3 20.640 0.070 AB
DES_r 27.16 0.76 20.315 0.030 AB
PanSTARRS_i 27.02 0.93 20.321 0.037 AB
PanSTARRS_z 34.49 2.95 20.056 0.093 AB
DES_z 42.59 1.96 19.827 0.050 AB
PanSTARRS_y 9.02 6.73 21.512 0.810 AB
2MASS_J 175.48 121.21 17.395 0.750 Vega
2MASS_H 77.14 194.22 17.814 2.733 Vega
2MASS_K 246.68 227.78 16.082 1.003 Vega
WISE_W1 42.57 11.7 17.128 0.299 Vega
WISE_W2 40.59 16.31 16.540 0.436 Vega
WISE_W3 19.52 71.13 15.500 3.956 Vega
WISE_W4 -305.69 439.38 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})\, 8.796 9.094 9.381
{\rm log}_{10}({\rm SFR}) -1.211 0.475 0.895
{\rm log}_{10}({\rm sSFR}) -10.393 -8.663 -7.923
{\rm stellar\ age} 0.085 0.383 4.424

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.489 -0.863 -0.125
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.453 -0.566 0.140

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.573 0.952 1.480
\delta -0.064 0.157 0.311
\tau_1/\tau_2 0.542 1.065 1.543
Q_{PAH} 0.998 3.007 5.292
U_{min} 4.313 11.381 19.179
{\rm log}_{10}(\gamma_e)\, -2.940 -1.877 -0.726

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.910 -1.729 -0.612
{\rm log}_{10}(\tau_{AGN})\, 1.012 1.402 1.853

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.844 -2.393 -1.006
0.03-0.10 Gyr -1.256 0.638 1.058
0.10-0.32 Gyr -2.329 0.153 0.876
0.32-1.04 Gyr -4.394 -2.033 -0.272
1.04-3.33 Gyr -6.941 -3.308 -0.772
3.33-10.73 Gyr -7.515 -3.697 -0.924
10.73-11.93 Gyr -7.999 -3.439 -0.663