2025ljq

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Information

Transient

Name: AT2025ljq
Right ascension: 8h57m47.44s
Declination: 63d48m56.33s
Discovery Date: May 23, 2025, 5:42 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.071

Host

Name: 2025ljq
Right ascension: 8h57m47.71s
Declination: 63d49m00.82s
Redshift: 0.068214
Photometric Redshift: 0.075
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 14.78
Transient MWEBV processed 0.04
Host match processed 1.85
Host information processed 0.1
Host MWEBV processed 0.06
Global aperture construction processed 0.64
Global aperture photometry processed 5.89
Validate global photometry processed 16.65
Global host SED inference processed 383.95
Local aperture photometry processed 5.71
Validate local photometry processed 0.03
Local host SED inference processed 453.03
 

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) = 8h57m47.44s, 63d48m56.33s
semi major axis, semi minor axis (arcsec) = 1.53, 1.53
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 4.93 1.46 22.168 0.321 AB
SDSS_g 19.25 1.21 20.689 0.068 AB
PanSTARRS_g 18.65 0.3 20.723 0.017 AB
SDSS_r 38.11 1.75 19.947 0.050 AB
PanSTARRS_r 35.4 0.52 20.028 0.016 AB
SDSS_i 52.53 2.23 19.599 0.046 AB
PanSTARRS_i 49.61 0.47 19.661 0.010 AB
PanSTARRS_z 56.55 1.13 19.519 0.022 AB
SDSS_z 68.5 6.84 19.311 0.108 AB
PanSTARRS_y 80.29 2.77 19.138 0.037 AB

Aperture details

RA, DEC (J2000) = 8h57m47.69s, 63d49m01.05s
semi major axis, semi minor axis (arcsec) = 15.77, 6.92
angle (degrees, anti-clockwise from east) = -127.11

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 24.15 4.51 20.443 0.203 AB
GALEX_NUV 30.07 3.7 20.205 0.133 AB
SDSS_u 143.65 9.94 18.507 0.075 AB
SDSS_g 604.08 7.01 16.947 0.013 AB
PanSTARRS_g 653.9 2.02 16.861 0.003 AB
SDSS_r 1218.32 10.35 16.186 0.009 AB
PanSTARRS_r 1263.39 3.55 16.146 0.003 AB
SDSS_i 1901.16 14.05 15.702 0.008 AB
PanSTARRS_i 1917.03 3.22 15.693 0.002 AB
PanSTARRS_z 2282.61 7.72 15.504 0.004 AB
SDSS_z 2428.89 46.24 15.436 0.021 AB
PanSTARRS_y 3008.36 18.92 15.204 0.007 AB
2MASS_J 3887.2 249.53 14.031 0.070 Vega
2MASS_H 4736.27 474.57 13.344 0.109 Vega
2MASS_K 4769.89 445.05 12.866 0.101 Vega
WISE_W1 2286.56 28.56 12.803 0.014 Vega
WISE_W2 1512.21 31.42 12.612 0.023 Vega
WISE_W3 4756.29 120.13 9.533 0.027 Vega
WISE_W4 5070.26 782.48 8.017 0.168 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})\, 8.955 9.124 9.261
{\rm log}_{10}({\rm SFR}) -1.944 -1.168 -0.473
{\rm log}_{10}({\rm sSFR}) -11.113 -10.333 -9.589
{\rm stellar\ age} 3.244 6.386 8.151

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.482 -0.749 -0.127
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.190 -0.129 0.289

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.270 0.829 1.258
\delta -0.440 -0.039 0.241
\tau_1/\tau_2 0.679 1.069 1.410
Q_{PAH} 1.352 3.677 5.881
U_{min} 2.993 7.753 14.377
{\rm log}_{10}(\gamma_e)\, -3.036 -1.968 -0.803

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.849 -0.980 -0.127
{\rm log}_{10}(\tau_{AGN})\, 1.048 1.508 1.968

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.120 -1.335 -0.767
0.03-0.10 Gyr -2.170 -1.155 -0.366
0.10-0.33 Gyr -1.945 -1.032 -0.370
0.33-1.08 Gyr -1.894 -0.938 -0.396
1.08-3.53 Gyr -1.788 -0.861 -0.565
3.53-11.57 Gyr -1.765 -0.866 -0.608
11.57-12.85 Gyr -1.848 -0.849 -0.188

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.727 10.773 10.815
{\rm log}_{10}({\rm SFR}) -0.324 -0.054 0.255
{\rm log}_{10}({\rm sSFR}) -11.091 -10.804 -10.490
{\rm stellar\ age} 6.753 7.500 8.392

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.287 -0.138 -0.031
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.050 0.105 0.262

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.190 0.268 0.385
\delta -0.594 -0.313 -0.056
\tau_1/\tau_2 0.628 0.977 1.325
Q_{PAH} 1.538 2.879 4.482
U_{min} 2.201 6.768 13.384
{\rm log}_{10}(\gamma_e)\, -2.557 -1.699 -0.831

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.875 -2.649 -1.780
{\rm log}_{10}(\tau_{AGN})\, 1.086 1.562 1.927

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.085 0.237 0.403
0.03-0.10 Gyr -1.081 -0.280 0.205
0.10-0.33 Gyr -0.985 -0.267 0.197
0.33-1.08 Gyr -0.380 0.124 0.411
1.08-3.53 Gyr 0.249 0.631 0.908
3.53-11.57 Gyr 0.784 0.939 1.035
11.57-12.85 Gyr 0.523 0.994 1.400