2025zpa

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Information

Transient

Name: AT2025zpa
Right ascension: 16h29m47.73s
Declination: 13d23m37.49s
Discovery Date: Oct. 5, 2025, 2:52 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.038

Host

Name: 1429996
Right ascension: 16h29m47.76s
Declination: 13d23m33.94s
Redshift: None
Photometric Redshift: 0.054
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 0.67
Transient MWEBV processed 0.08
Host match processed 4.03
Host information processed 0.16
Host MWEBV processed 0.11
Global aperture construction processed 0.88
Global aperture photometry processed 5.36
Validate global photometry processed 13.27
Global host SED inference processed 624.52
Local aperture photometry processed 5.37
Validate local photometry processed 0.02
Local host SED inference processed 425.44
 

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) = 16h29m47.73s, 13d23m37.49s
semi major axis, semi minor axis (arcsec) = 1.9, 1.9
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 32.56 0.37 20.118 0.012 AB
PanSTARRS_g 35.02 0.47 20.039 0.015 AB
PanSTARRS_r 52.87 0.39 19.592 0.008 AB
DES_r 55.56 0.64 19.538 0.012 AB
PanSTARRS_i 70.93 0.53 19.273 0.008 AB
PanSTARRS_z 75.69 1.59 19.202 0.023 AB
DES_z 81.88 1.4 19.117 0.019 AB
PanSTARRS_y 95.61 2.65 18.949 0.030 AB

Aperture details

RA, DEC (J2000) = 16h29m47.80s, 13d23m33.68s
semi major axis, semi minor axis (arcsec) = 18.16, 3.92
angle (degrees, anti-clockwise from east) = -7.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 222.9 1.1 18.030 0.005 AB
DES_r 387.84 1.91 17.428 0.005 AB
PanSTARRS_i 610.99 2.31 16.935 0.004 AB
PanSTARRS_z 686.28 6.98 16.809 0.011 AB
DES_z 585.63 4.08 16.981 0.008 AB
2MASS_J 1155.54 211.08 15.348 0.198 Vega
2MASS_K 367.62 384.84 15.649 1.137 Vega
WISE_W1 403.23 19.77 14.687 0.053 Vega
WISE_W3 550.8 114.65 11.874 0.226 Vega
WISE_W4 636.56 548.32 10.270 0.935 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})\, 8.729 8.908 9.050
{\rm log}_{10}({\rm SFR}) -1.787 -1.205 -0.617
{\rm log}_{10}({\rm sSFR}) -10.720 -10.134 -9.439
{\rm stellar\ age} 3.102 5.987 7.748

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.711 -1.219 -0.484
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.238 -0.141 0.260

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.299 0.650 0.970
\delta -0.597 -0.173 0.203
\tau_1/\tau_2 0.702 1.020 1.335
Q_{PAH} 0.897 2.917 5.422
U_{min} 2.790 7.632 14.357
{\rm log}_{10}(\gamma_e)\, -3.044 -2.109 -0.705

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.698 -1.011 -0.256
{\rm log}_{10}(\tau_{AGN})\, 0.960 1.409 1.954

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.866 -1.283 -0.901
0.03-0.10 Gyr -1.991 -1.202 -0.520
0.10-0.33 Gyr -1.742 -0.978 -0.395
0.33-1.08 Gyr -1.664 -0.993 -0.524
1.08-3.56 Gyr -1.613 -1.024 -0.732
3.56-11.73 Gyr -1.828 -1.109 -0.821
11.73-13.03 Gyr -2.017 -1.124 -0.544

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.987 10.077 10.151
{\rm log}_{10}({\rm SFR}) -1.422 -0.556 0.050
{\rm log}_{10}({\rm sSFR}) -11.502 -10.590 -10.022
{\rm stellar\ age} 7.749 10.958 12.311

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.767 -1.435 -1.089
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.808 -0.967 0.279

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.214 0.412 0.615
\delta -0.290 0.002 0.238
\tau_1/\tau_2 0.373 0.800 1.273
Q_{PAH} 0.340 1.032 2.425
U_{min} 3.356 8.949 16.786
{\rm log}_{10}(\gamma_e)\, -3.403 -2.259 -1.143

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.914 -1.567 -1.060
{\rm log}_{10}(\tau_{AGN})\, 1.110 1.409 1.772

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.317 -1.140 -0.552
0.03-0.10 Gyr -1.828 -0.477 0.186
0.10-0.33 Gyr -3.927 -1.511 -0.410
0.33-1.08 Gyr -5.389 -2.218 -0.901
1.08-3.56 Gyr -4.382 -1.932 -0.658
3.56-11.73 Gyr -2.159 -0.193 0.275
11.73-13.03 Gyr -0.029 1.066 1.281