2025tjg

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Information

Transient

Name: AT2025tjg
Right ascension: 12h42m41.82s
Declination: 12d10m43.21s
Discovery Date: Aug. 7, 2025, 4:05 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.029

Host

Name:
Right ascension: 12h42m41.80s
Declination: 12d10m42.47s
Redshift: None
Photometric Redshift: 0.086
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 28.29
Transient MWEBV processed 0.1
Host match processed 7.64
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.68
Global aperture photometry processed 5.37
Validate global photometry processed 14.05
Global host SED inference processed 498.42
Local aperture photometry processed 6.31
Validate local photometry processed 0.02
Local host SED inference processed 442.87
 

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) = 12h42m41.82s, 12d10m43.21s
semi major axis, semi minor axis (arcsec) = 1.25, 1.25
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 13.85 0.26 21.047 0.020 AB
PanSTARRS_r 16.86 0.27 20.833 0.017 AB
DES_r 19.32 0.51 20.685 0.029 AB
PanSTARRS_i 21.21 0.37 20.584 0.019 AB
PanSTARRS_z 24.17 0.82 20.442 0.037 AB
DES_z 22.65 1.38 20.512 0.066 AB
PanSTARRS_y 20.07 1.41 20.644 0.076 AB

Aperture details

RA, DEC (J2000) = 12h42m41.81s, 12d10m42.70s
semi major axis, semi minor axis (arcsec) = 4.83, 2.79
angle (degrees, anti-clockwise from east) = -178.86

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.72 0.48 22.215 0.111 AB
GALEX_NUV 5.34 0.26 22.082 0.052 AB
DES_g 34.83 0.47 20.045 0.015 AB
PanSTARRS_g 31.48 0.64 20.155 0.022 AB
PanSTARRS_r 42.85 0.75 19.820 0.019 AB
DES_r 49.52 0.92 19.663 0.020 AB
PanSTARRS_i 51.87 1.04 19.613 0.022 AB
PanSTARRS_z 50.43 2.32 19.643 0.050 AB
DES_z 62.55 2.48 19.409 0.043 AB
PanSTARRS_y 42.08 4.01 19.840 0.104 AB
2MASS_J 75.96 118.17 18.304 1.689 Vega
2MASS_H 124.5 202.4 17.294 1.765 Vega
2MASS_K -42.47 206.84 Vega
WISE_W1 11.49 8.25 18.550 0.779 Vega
WISE_W2 14.74 13.15 17.640 0.969 Vega
WISE_W3 73.33 62.6 14.063 0.927 Vega
WISE_W4 366.63 451.36 10.869 1.337 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.212 8.462 8.632
{\rm log}_{10}({\rm SFR}) -1.706 -0.976 -0.025
{\rm log}_{10}({\rm sSFR}) -10.260 -9.441 -8.154
{\rm stellar\ age} 0.236 2.256 5.382

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.717 -1.270 -0.409
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.636 -1.007 -0.098

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.187 0.504 1.060
\delta -0.591 -0.187 0.104
\tau_1/\tau_2 0.718 1.111 1.513
Q_{PAH} 1.527 3.662 5.921
U_{min} 3.052 8.861 16.034
{\rm log}_{10}(\gamma_e)\, -2.990 -1.873 -0.619

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.344 -0.433 0.082
{\rm log}_{10}(\tau_{AGN})\, 1.003 1.503 1.915

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.218 -1.388 -0.926
0.03-0.10 Gyr -1.968 -0.920 0.130
0.10-0.33 Gyr -2.101 -0.801 -0.168
0.33-1.07 Gyr -3.452 -1.067 -0.549
1.07-3.48 Gyr -4.644 -1.949 -1.162
3.48-11.37 Gyr -5.249 -2.232 -1.424
11.37-12.63 Gyr -5.403 -2.244 -1.320

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.721 8.908 9.088
{\rm log}_{10}({\rm SFR}) -1.461 -0.932 -0.320
{\rm log}_{10}({\rm sSFR}) -10.437 -9.837 -9.070
{\rm stellar\ age} 0.680 3.465 6.087

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.743 -1.250 -0.503
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.786 -1.017 0.209

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.068 0.295 0.762
\delta -0.546 -0.082 0.200
\tau_1/\tau_2 0.722 1.127 1.552
Q_{PAH} 1.597 3.779 5.708
U_{min} 3.253 8.864 16.179
{\rm log}_{10}(\gamma_e)\, -2.922 -1.711 -0.588

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.814 -0.745 -0.109
{\rm log}_{10}(\tau_{AGN})\, 1.038 1.491 1.876

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.576 -1.046 -0.563
0.03-0.10 Gyr -1.760 -0.940 -0.241
0.10-0.33 Gyr -1.033 -0.465 0.218
0.33-1.07 Gyr -1.202 -0.547 -0.165
1.07-3.48 Gyr -2.923 -1.026 -0.653
3.48-11.37 Gyr -3.788 -1.422 -0.881
11.37-12.63 Gyr -3.888 -1.522 -0.777