2025zlo

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Information

Transient

Name: AT2025zlo
Right ascension: 7h56m16.63s
Declination: 55d45m57.93s
Discovery Date: Sept. 30, 2025, 10:43 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.031

Host

Name:
Right ascension: 7h56m16.19s
Declination: 55d45m56.64s
Redshift: None
Photometric Redshift: 0.031
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 1.59
Transient MWEBV processed 0.05
Host match processed 6.21
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 3.84
Validate global photometry processed 10.06
Global host SED inference processed 468.94
Local aperture photometry processed 4.01
Validate local photometry processed 0.02
Local host SED inference processed 494.7
 

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) = 7h56m16.63s, 55d45m57.93s
semi major axis, semi minor axis (arcsec) = 3.22, 3.22
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 143.71 0.74 18.506 0.006 AB
PanSTARRS_r 244.54 1.23 17.929 0.005 AB
PanSTARRS_i 321.17 0.88 17.633 0.003 AB
PanSTARRS_z 366.27 2.28 17.490 0.007 AB
PanSTARRS_y 427.37 6.31 17.323 0.016 AB
2MASS_J 498.9 67.86 16.260 0.148 Vega
2MASS_H 722.74 101.55 15.385 0.153 Vega
2MASS_K 407.52 114.79 15.537 0.306 Vega

Aperture details

RA, DEC (J2000) = 7h56m16.13s, 55d45m56.30s
semi major axis, semi minor axis (arcsec) = 18.52, 16.86
angle (degrees, anti-clockwise from east) = 0.73

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 1198.46 3.95 16.203 0.004 AB
PanSTARRS_r 1946.0 6.53 15.677 0.004 AB
PanSTARRS_i 2592.97 4.73 15.366 0.002 AB
PanSTARRS_y 3437.97 34.3 15.059 0.011 AB
2MASS_J 4224.65 375.07 13.941 0.096 Vega
2MASS_H 4343.1 561.77 13.438 0.140 Vega
2MASS_K 3658.07 636.41 13.154 0.189 Vega
WISE_W1 2333.68 34.9 12.781 0.016 Vega
WISE_W2 1466.81 44.37 12.645 0.033 Vega
WISE_W3 4460.86 190.74 9.602 0.046 Vega
WISE_W4 3041.76 992.74 8.572 0.354 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})\, 9.120 9.248 9.363
{\rm log}_{10}({\rm SFR}) -1.992 -1.222 -0.527
{\rm log}_{10}({\rm sSFR}) -11.227 -10.466 -9.752
{\rm stellar\ age} 6.146 8.000 11.160

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.685 -1.092 -0.719
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.756 -0.470 0.264

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.130 0.584 1.056
\delta -0.500 -0.093 0.244
\tau_1/\tau_2 0.623 1.012 1.400
Q_{PAH} 0.712 2.326 4.414
U_{min} 2.764 7.906 15.202
{\rm log}_{10}(\gamma_e)\, -3.307 -2.020 -1.022

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.750 -1.561 -0.390
{\rm log}_{10}(\tau_{AGN})\, 0.906 1.337 1.778

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.146 -1.344 -0.789
0.03-0.10 Gyr -2.180 -1.235 -0.443
0.10-0.33 Gyr -2.402 -1.364 -0.600
0.33-1.10 Gyr -2.735 -1.460 -0.794
1.10-3.63 Gyr -2.608 -1.183 -0.654
3.63-12.01 Gyr -1.617 -0.716 -0.512
12.01-13.34 Gyr -1.120 -0.423 0.340

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.961 10.090 10.206
{\rm log}_{10}({\rm SFR}) -1.084 -0.571 0.035
{\rm log}_{10}({\rm sSFR}) -11.199 -10.630 -10.044
{\rm stellar\ age} 5.704 7.400 9.233

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.142 -0.789 -0.535
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.798 -1.293 -0.015

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.278 0.441 0.621
\delta -0.439 -0.037 0.265
\tau_1/\tau_2 0.558 0.932 1.293
Q_{PAH} 1.106 2.100 3.748
U_{min} 2.576 7.315 14.350
{\rm log}_{10}(\gamma_e)\, -3.273 -2.527 -1.720

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.645 -2.010 -1.706
{\rm log}_{10}(\tau_{AGN})\, 0.861 1.120 1.544

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.712 -0.592 -0.179
0.03-0.10 Gyr -1.623 -0.653 0.124
0.10-0.33 Gyr -1.597 -0.567 0.068
0.33-1.10 Gyr -1.568 -0.378 0.107
1.10-3.63 Gyr -0.791 0.061 0.381
3.63-12.01 Gyr -0.307 0.150 0.366
12.01-13.34 Gyr -0.665 0.222 0.899