2025ztg

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Information

Transient

Name: AT2025ztg
Right ascension: 21h00m13.76s
Declination: 13d37m45.70s
Discovery Date: Oct. 1, 2025, 12:11 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.093

Host

Name:
Right ascension: 21h00m13.45s
Declination: 13d37m50.01s
Redshift: None
Photometric Redshift: 0.121
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 4.39
Transient MWEBV processed 0.06
Host match processed 5.15
Host information processed 0.12
Host MWEBV processed 0.05
Global aperture construction processed 0.66
Global aperture photometry processed 4.17
Validate global photometry processed 11.85
Global host SED inference processed 415.43
Local aperture photometry processed 4.11
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) = 21h00m13.76s, 13d37m45.70s
semi major axis, semi minor axis (arcsec) = 0.92, 0.92
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) = 21h00m13.45s, 13d37m50.12s
semi major axis, semi minor axis (arcsec) = 9.01, 7.96
angle (degrees, anti-clockwise from east) = -161.05

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 16.57 4.28 20.852 0.280 AB
GALEX_NUV 18.46 2.91 20.735 0.171 AB
PanSTARRS_g 199.93 1.95 18.148 0.011 AB
PanSTARRS_r 338.95 2.23 17.575 0.007 AB
PanSTARRS_i 504.28 2.94 17.143 0.006 AB
PanSTARRS_z 621.8 6.56 16.916 0.011 AB
PanSTARRS_y 669.98 15.49 16.835 0.025 AB
2MASS_J 686.87 240.53 15.913 0.380 Vega
2MASS_H 172.32 350.16 16.942 2.206 Vega
2MASS_K 690.61 424.44 14.964 0.667 Vega
WISE_W1 465.17 28.69 14.532 0.067 Vega
WISE_W2 254.51 31.57 14.547 0.135 Vega
WISE_W3 431.18 108.22 12.139 0.272 Vega
WISE_W4 900.5 588.63 9.894 0.710 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})\, 10.539 10.595 10.684
{\rm log}_{10}({\rm SFR}) 0.054 0.402 0.764
{\rm log}_{10}({\rm sSFR}) -10.539 -10.192 -9.839
{\rm stellar\ age} 6.225 7.004 8.704

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.914 -0.617 -0.415
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.322 0.121 0.375

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.123 0.224 0.379
\delta -0.481 -0.089 0.167
\tau_1/\tau_2 0.632 0.988 1.366
Q_{PAH} 0.482 1.409 3.086
U_{min} 2.318 7.035 14.197
{\rm log}_{10}(\gamma_e)\, -3.095 -2.262 -1.368

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.477 -3.492 -2.413
{\rm log}_{10}(\tau_{AGN})\, 1.022 1.533 1.936

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.554 -0.062 0.163
0.03-0.10 Gyr 0.081 0.511 0.915
0.10-0.32 Gyr 0.167 0.524 0.791
0.32-1.05 Gyr -0.220 0.345 0.591
1.05-3.39 Gyr -0.203 0.462 0.714
3.39-10.98 Gyr 0.520 0.745 0.868
10.98-12.20 Gyr 0.371 0.863 1.481