2025ljc

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Information

Transient

Name: AT2025ljc
Right ascension: 1h33m58.89s
Declination: 42d38m01.24s
Discovery Date: May 20, 2025, 11:44 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.063

Host

Name: 2025ljc
Right ascension: 1h33m59.11s
Declination: 42d38m01.57s
Redshift: None
Photometric Redshift: 0.097
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 14.81
Transient MWEBV processed 0.05
Host match processed 2.25
Host information processed 0.1
Host MWEBV processed 0.08
Global aperture construction processed 0.74
Global aperture photometry processed 5.89
Validate global photometry processed 16.92
Global host SED inference processed 382.07
Local aperture photometry processed 5.46
Validate local photometry processed 0.02
Local host SED inference processed 507.23
 

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) = 1h33m58.89s, 42d38m01.24s
semi major axis, semi minor axis (arcsec) = 1.12, 1.12
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_i 28.07 0.35 20.279 0.013 AB
PanSTARRS_z 31.08 1.0 20.169 0.035 AB
PanSTARRS_y 38.44 1.99 19.938 0.056 AB

Aperture details

RA, DEC (J2000) = 1h33m59.09s, 42d38m01.65s
semi major axis, semi minor axis (arcsec) = 4.96, 4.81
angle (degrees, anti-clockwise from east) = -168.09

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 15.91 4.02 20.896 0.274 AB
GALEX_NUV 21.82 3.18 20.553 0.158 AB
SDSS_u 51.53 3.34 19.620 0.070 AB
SDSS_g 155.64 3.6 18.420 0.025 AB
PanSTARRS_g 171.2 1.13 18.316 0.007 AB
SDSS_r 267.37 4.62 17.832 0.019 AB
PanSTARRS_r 273.21 1.25 17.809 0.005 AB
SDSS_i 355.59 6.11 17.523 0.019 AB
PanSTARRS_i 362.92 1.48 17.500 0.004 AB
PanSTARRS_z 374.69 4.3 17.466 0.012 AB
SDSS_z 417.29 12.98 17.349 0.034 AB
PanSTARRS_y 502.3 8.55 17.148 0.018 AB
2MASS_J 623.16 132.09 16.019 0.230 Vega
2MASS_H 549.6 187.04 15.682 0.369 Vega
2MASS_K 306.97 229.41 15.844 0.811 Vega
WISE_W1 226.31 9.93 15.314 0.048 Vega
WISE_W2 141.16 13.17 15.187 0.101 Vega
WISE_W3 440.31 50.89 12.117 0.125 Vega
WISE_W4 594.03 312.81 10.345 0.572 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})\, 8.736 9.034 9.232
{\rm log}_{10}({\rm SFR}) -1.425 -0.729 -0.057
{\rm log}_{10}({\rm sSFR}) -10.547 -9.856 -8.954
{\rm stellar\ age} 1.559 5.670 7.584

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.283 -0.436 0.049
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.256 -0.624 0.095

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.268 0.642 1.185
\delta -0.626 -0.171 0.181
\tau_1/\tau_2 0.503 0.890 1.281
Q_{PAH} 0.836 3.059 5.658
U_{min} 3.186 8.181 15.304
{\rm log}_{10}(\gamma_e)\, -3.014 -1.816 -0.532

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.719 -0.573 0.110
{\rm log}_{10}(\tau_{AGN})\, 0.992 1.431 1.988

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.366 -0.708 -0.183
0.03-0.10 Gyr -1.883 -0.879 -0.017
0.10-0.33 Gyr -2.140 -1.055 -0.282
0.33-1.06 Gyr -2.161 -0.918 -0.344
1.06-3.45 Gyr -2.746 -0.992 -0.638
3.45-11.25 Gyr -2.697 -1.015 -0.649
11.25-12.49 Gyr -2.550 -1.026 -0.321

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.055 10.109 10.165
{\rm log}_{10}({\rm SFR}) -0.304 -0.070 0.159
{\rm log}_{10}({\rm sSFR}) -10.419 -10.175 -9.963
{\rm stellar\ age} 5.992 6.790 7.640

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.088 -0.834 -0.637
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.172 0.022 0.189

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.081 0.140 0.238
\delta -0.767 -0.408 -0.055
\tau_1/\tau_2 0.875 1.162 1.479
Q_{PAH} 0.422 1.303 2.744
U_{min} 2.559 7.166 13.695
{\rm log}_{10}(\gamma_e)\, -2.688 -1.890 -1.040

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.371 -3.321 -2.317
{\rm log}_{10}(\tau_{AGN})\, 1.032 1.501 1.917

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.376 -0.216 -0.061
0.03-0.10 Gyr -0.324 -0.024 0.256
0.10-0.33 Gyr -0.154 0.122 0.346
0.33-1.06 Gyr -0.217 0.058 0.267
1.06-3.45 Gyr -0.166 0.109 0.295
3.45-11.25 Gyr 0.109 0.254 0.365
11.25-12.49 Gyr -0.093 0.307 0.693