2025isu

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Information

Transient

Name: AT2025isu
Right ascension: 8h16m44.94s
Declination: -8d05m25.60s
Discovery Date: April 30, 2025, 3:56 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.063

Host

Name: 2025isu
Right ascension: 8h16m44.79s
Declination: -8d05m26.78s
Redshift: 0.063770
Photometric Redshift: 0.042
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 15.3
Transient MWEBV processed 0.05
Host match processed 3.33
Host information processed 0.08
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 4.74
Validate global photometry processed 11.23
Global host SED inference processed 405.78
Local aperture photometry processed 4.23
Validate local photometry processed 0.02
Local host SED inference processed 504.81
 

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) = 8h16m44.94s, -8d05m25.60s
semi major axis, semi minor axis (arcsec) = 1.63, 1.63
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 99.88 0.5 18.901 0.005 AB
PanSTARRS_r 157.22 0.69 18.409 0.005 AB
PanSTARRS_i 202.02 0.51 18.137 0.003 AB
PanSTARRS_z 224.35 1.2 18.023 0.006 AB
PanSTARRS_y 266.83 2.89 17.834 0.012 AB

Aperture details

RA, DEC (J2000) = 8h16m44.77s, -8d05m26.65s
semi major axis, semi minor axis (arcsec) = 10.78, 9.76
angle (degrees, anti-clockwise from east) = -55.08

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 148.06 1.48 18.474 0.011 AB
PanSTARRS_g 926.75 2.9 16.483 0.003 AB
PanSTARRS_r 1401.68 4.07 16.033 0.003 AB
PanSTARRS_i 1716.7 2.99 15.813 0.002 AB
2MASS_J 3272.76 253.56 14.218 0.084 Vega
2MASS_H 3229.2 368.55 13.760 0.124 Vega
2MASS_K 2276.04 497.84 13.669 0.237 Vega
WISE_W1 1714.73 26.6 13.116 0.017 Vega
WISE_W3 5901.4 135.1 9.299 0.025 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})\, 9.312 9.475 9.605
{\rm log}_{10}({\rm SFR}) -1.521 -0.756 -0.106
{\rm log}_{10}({\rm sSFR}) -10.984 -10.232 -9.524
{\rm stellar\ age} 2.706 5.683 7.357

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.690 -1.103 -0.592
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.487 -0.281 0.285

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.152 0.535 0.930
\delta -0.672 -0.165 0.205
\tau_1/\tau_2 0.717 1.075 1.414
Q_{PAH} 0.860 2.597 5.297
U_{min} 2.983 8.344 14.872
{\rm log}_{10}(\gamma_e)\, -3.289 -1.799 -0.572

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.586 -1.462 -0.381
{\rm log}_{10}(\tau_{AGN})\, 1.001 1.476 1.956

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.783 -1.028 -0.552
0.03-0.10 Gyr -1.859 -0.729 0.009
0.10-0.33 Gyr -1.095 -0.264 0.316
0.33-1.08 Gyr -1.000 -0.295 0.134
1.08-3.54 Gyr -1.146 -0.447 -0.154
3.54-11.62 Gyr -1.445 -0.564 -0.281
11.62-12.91 Gyr -1.524 -0.557 -0.015

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.264 10.363 10.447
{\rm log}_{10}({\rm SFR}) 0.440 0.728 0.976
{\rm log}_{10}({\rm sSFR}) -9.967 -9.657 -9.356
{\rm stellar\ age} 4.684 6.113 7.267

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.571 -0.145 0.055
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.533 0.019 0.246

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.118 0.244 0.458
\delta -0.452 0.019 0.258
\tau_1/\tau_2 0.702 1.082 1.416
Q_{PAH} 0.753 1.986 3.805
U_{min} 2.812 7.509 14.709
{\rm log}_{10}(\gamma_e)\, -2.973 -1.952 -0.997

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.853 -1.636 -1.153
{\rm log}_{10}(\tau_{AGN})\, 1.071 1.446 1.835

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.419 0.317 0.570
0.03-0.10 Gyr 0.447 0.827 1.123
0.10-0.33 Gyr 0.453 0.781 1.071
0.33-1.08 Gyr 0.153 0.541 0.755
1.08-3.54 Gyr 0.124 0.460 0.668
3.54-11.62 Gyr 0.066 0.386 0.546
11.62-12.91 Gyr -0.132 0.444 0.855