2025ttj

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Information

Transient

Name: AT2025ttj
Right ascension: 15h35m31.35s
Declination: 8d18m44.82s
Discovery Date: Aug. 13, 2025, 5:58 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.044

Host

Name: J153531.35+081841.5
Right ascension: 15h35m31.35s
Declination: 8d18m41.55s
Redshift: 0.116851
Photometric Redshift: 0.115
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 35.58
Transient MWEBV processed 0.05
Host match processed 4.34
Host information processed 0.14
Host MWEBV processed 0.05
Global aperture construction processed 0.66
Global aperture photometry processed 5.29
Validate global photometry processed 14.0
Global host SED inference processed 444.78
Local aperture photometry processed 5.88
Validate local photometry processed 0.02
Local host SED inference not enough filters 21.97
 

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) = 15h35m31.35s, 8d18m44.82s
semi major axis, semi minor axis (arcsec) = 0.95, 0.95
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 14.51 0.59 20.996 0.044 AB

Aperture details

RA, DEC (J2000) = 15h35m31.36s, 8d18m41.90s
semi major axis, semi minor axis (arcsec) = 7.08, 5.15
angle (degrees, anti-clockwise from east) = -100.87

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.15 2.04 22.355 0.535 AB
GALEX_NUV 6.47 2.32 21.873 0.390 AB
DES_g 181.55 0.76 18.252 0.005 AB
PanSTARRS_g 181.87 1.58 18.251 0.009 AB
PanSTARRS_r 404.54 2.11 17.383 0.006 AB
DES_r 449.98 1.57 17.267 0.004 AB
PanSTARRS_i 617.4 2.28 16.924 0.004 AB
PanSTARRS_z 808.17 3.94 16.631 0.005 AB
DES_z 877.25 4.47 16.542 0.006 AB
PanSTARRS_y 955.15 9.78 16.450 0.011 AB
2MASS_J 1306.92 180.66 15.214 0.150 Vega
2MASS_H 1819.51 236.8 14.383 0.141 Vega
2MASS_K 2140.14 358.16 13.736 0.182 Vega
WISE_W1 666.82 17.3 14.141 0.028 Vega
WISE_W2 389.46 18.35 14.085 0.051 Vega
WISE_W3 216.3 62.12 12.888 0.312 Vega
WISE_W4 632.84 401.69 10.277 0.689 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

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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})\, 10.745 10.817 10.941
{\rm log}_{10}({\rm SFR}) -4.611 -1.682 -0.571
{\rm log}_{10}({\rm sSFR}) -15.365 -12.524 -11.354
{\rm stellar\ age} 6.895 7.740 11.486

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.038 -0.702 -0.523
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.520 -0.678 0.100

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.247 0.402 0.582
\delta -0.823 -0.514 -0.184
\tau_1/\tau_2 0.592 1.005 1.442
Q_{PAH} 0.499 1.369 2.810
U_{min} 3.087 8.908 17.537
{\rm log}_{10}(\gamma_e)\, -2.969 -2.038 -0.831

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.470 -3.463 -2.484
{\rm log}_{10}(\tau_{AGN})\, 1.048 1.553 1.936

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.812 -2.083 -0.827
0.03-0.10 Gyr -5.187 -1.772 -0.530
0.10-0.32 Gyr -4.708 -1.682 -0.283
0.32-1.05 Gyr -4.167 -1.420 -0.003
1.05-3.40 Gyr -2.843 -0.370 0.761
3.40-11.02 Gyr -0.634 0.930 1.135
11.02-12.25 Gyr -0.189 1.185 2.081