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

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
not enough filters
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 4.34
Cutout download processed 35.58
Global aperture construction processed 0.66
Local aperture photometry processed 5.88
Global aperture photometry processed 5.29
Validate local photometry processed 0.02
Validate global photometry processed 14.0
Host information processed 0.14
Global host SED inference processed 444.78
Local host SED inference not enough filters 21.97
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.05
Processing status blocked N/A N/A
 

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

 

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})\, 10.745 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