2025yji

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Information

Transient

Name: AT2025yji
Right ascension: 18h35m15.21s
Declination: 59d03m27.60s
Discovery Date: Sept. 20, 2025, 4:10 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.044

Host

Name:
Right ascension: 18h35m14.88s
Declination: 59d03m30.14s
Redshift: None
Photometric Redshift: 0.076
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 1.8
Transient MWEBV processed 0.1
Host match processed 5.28
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 3.61
Validate global photometry processed 9.51
Global host SED inference processed 384.32
Local aperture photometry processed 4.1
Validate local photometry processed 0.02
Local host SED inference processed 441.78
 

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) = 18h35m15.21s, 59d03m27.60s
semi major axis, semi minor axis (arcsec) = 1.39, 1.39
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 8.75 0.29 21.545 0.037 AB
PanSTARRS_r 14.23 0.42 21.017 0.032 AB
PanSTARRS_i 18.38 0.38 20.739 0.023 AB
PanSTARRS_z 18.85 1.15 20.712 0.066 AB
PanSTARRS_y 28.98 2.45 20.245 0.092 AB

Aperture details

RA, DEC (J2000) = 18h35m14.86s, 59d03m30.38s
semi major axis, semi minor axis (arcsec) = 8.55, 6.28
angle (degrees, anti-clockwise from east) = -81.08

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 12.69 2.74 21.141 0.234 AB
GALEX_NUV 21.7 0.94 20.559 0.047 AB
PanSTARRS_g 180.94 1.55 18.256 0.009 AB
PanSTARRS_r 275.87 2.18 17.798 0.009 AB
PanSTARRS_i 381.97 2.02 17.445 0.006 AB
PanSTARRS_z 412.06 6.02 17.363 0.016 AB
PanSTARRS_y 479.58 12.83 17.198 0.029 AB
2MASS_H 406.62 283.83 16.009 0.758 Vega
WISE_W1 276.31 14.92 15.098 0.059 Vega
WISE_W2 178.02 15.01 14.935 0.092 Vega
WISE_W3 615.46 47.88 11.753 0.084 Vega
WISE_W4 894.88 277.25 9.901 0.336 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})\, 8.374 8.620 8.767
{\rm log}_{10}({\rm SFR}) -2.064 -1.256 -0.307
{\rm log}_{10}({\rm sSFR}) -10.766 -9.893 -8.715
{\rm stellar\ age} 1.063 5.486 7.244

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.582 -0.953 -0.254
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.369 -0.415 0.184

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.276 0.770 1.380
\delta -0.373 0.007 0.265
\tau_1/\tau_2 0.683 1.084 1.456
Q_{PAH} 1.029 2.804 5.146
U_{min} 2.976 8.509 16.295
{\rm log}_{10}(\gamma_e)\, -2.943 -1.690 -0.604

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.361 -0.402 0.189
{\rm log}_{10}(\tau_{AGN})\, 1.137 1.591 1.980

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.370 -1.553 -0.925
0.03-0.10 Gyr -2.238 -1.248 -0.188
0.10-0.33 Gyr -2.191 -1.219 -0.438
0.33-1.07 Gyr -2.564 -1.330 -0.816
1.07-3.51 Gyr -3.163 -1.342 -1.022
3.51-11.48 Gyr -3.532 -1.434 -1.114
11.48-12.75 Gyr -3.382 -1.488 -0.866

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.851 9.927 10.000
{\rm log}_{10}({\rm SFR}) -0.466 -0.223 0.026
{\rm log}_{10}({\rm sSFR}) -10.385 -10.148 -9.883
{\rm stellar\ age} 6.003 6.911 7.901

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.954 -0.702 -0.523
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.278 0.067 0.324

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.118 0.211 0.351
\delta -0.729 -0.339 0.001
\tau_1/\tau_2 0.858 1.183 1.497
Q_{PAH} 0.888 1.940 3.545
U_{min} 2.519 7.221 13.726
{\rm log}_{10}(\gamma_e)\, -2.879 -2.079 -1.257

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.196 -2.998 -1.954
{\rm log}_{10}(\tau_{AGN})\, 1.024 1.499 1.894

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.549 -0.376 -0.237
0.03-0.10 Gyr -0.483 -0.174 0.135
0.10-0.33 Gyr -0.317 -0.045 0.206
0.33-1.07 Gyr -0.439 -0.137 0.089
1.07-3.51 Gyr -0.385 -0.098 0.103
3.51-11.48 Gyr -0.118 0.052 0.179
11.48-12.75 Gyr -0.342 0.109 0.526