2025aiiv

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Information

Transient

Name: AT2025aiiv
Right ascension: 23h01m26.51s
Declination: 1d12m25.94s
Discovery Date: Dec. 24, 2025, 1:35 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.047

Host

Name: 1187736
Right ascension: 23h01m26.16s
Declination: 1d12m21.24s
Redshift: None
Photometric Redshift: 0.065
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.33
Transient MWEBV processed 0.04
Host match processed 3.71
Host information processed 0.09
Host MWEBV processed 0.06
Global aperture construction processed 0.62
Global aperture photometry processed 2.27
Validate global photometry processed 3.31
Global host SED inference processed 482.83
Local aperture photometry processed 7.12
Validate local photometry processed 0.03
Local host SED inference processed 464.77
 

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) = 23h01m26.51s, 1d12m25.94s
semi major axis, semi minor axis (arcsec) = 1.6, 1.6
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 4.48 1.51 22.271 0.365 AB
SDSS_g 8.25 0.89 21.609 0.117 AB
DES_g 7.65 0.11 21.691 0.015 AB
PanSTARRS_g 6.57 0.31 21.856 0.051 AB
SDSS_r 14.58 1.25 20.991 0.093 AB
PanSTARRS_r 8.28 0.43 21.605 0.056 AB
DES_r 11.88 0.15 21.213 0.013 AB
SDSS_i 15.99 1.61 20.890 0.109 AB
PanSTARRS_i 11.59 0.33 21.240 0.031 AB
PanSTARRS_z 14.74 1.04 20.979 0.077 AB
SDSS_z 22.41 5.03 20.524 0.244 AB
DES_z 16.55 0.43 20.853 0.028 AB
PanSTARRS_y 10.3 2.64 21.368 0.279 AB

Aperture details

RA, DEC (J2000) = 23h01m26.16s, 1d12m21.82s
semi major axis, semi minor axis (arcsec) = 14.99, 4.4
angle (degrees, anti-clockwise from east) = -148.13

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 18.64 3.84 20.724 0.224 AB
GALEX_NUV 33.19 3.36 20.097 0.110 AB
SDSS_u 75.23 7.88 19.209 0.114 AB
SDSS_g 248.91 5.06 17.910 0.022 AB
DES_g 163.72 0.97 18.365 0.006 AB
PanSTARRS_g 258.77 1.55 17.868 0.007 AB
PanSTARRS_r 444.73 2.32 17.280 0.006 AB
DES_r 328.39 1.7 17.609 0.006 AB
SDSS_i 636.37 9.65 16.891 0.016 AB
PanSTARRS_z 779.25 5.17 16.671 0.007 AB
SDSS_z 771.78 26.66 16.681 0.038 AB
DES_z 586.1 2.8 16.980 0.005 AB
PanSTARRS_y 810.9 12.96 16.628 0.017 AB
2MASS_J 1150.67 207.02 15.353 0.195 Vega
2MASS_K 1286.53 336.97 14.289 0.284 Vega
WISE_W1 609.67 75.84 14.238 0.135 Vega
WISE_W2 409.68 35.86 14.030 0.095 Vega
WISE_W3 1759.22 161.91 10.613 0.100 Vega
WISE_W4 1694.39 641.34 9.207 0.411 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})\, 7.806 8.109 8.272
{\rm log}_{10}({\rm SFR}) -3.014 -1.728 -0.540
{\rm log}_{10}({\rm sSFR}) -11.157 -9.903 -8.405
{\rm stellar\ age} 0.242 3.031 6.083

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.444 -0.755 -0.170
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.643 -0.876 0.018

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.243 0.569 1.016
\delta -0.409 -0.068 0.209
\tau_1/\tau_2 0.571 1.011 1.441
Q_{PAH} 0.990 2.758 5.200
U_{min} 3.563 9.434 17.131
{\rm log}_{10}(\gamma_e)\, -2.881 -1.834 -0.802

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -0.661 -0.051 0.283
{\rm log}_{10}(\tau_{AGN})\, 1.157 1.465 1.931

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.430 -2.460 -1.742
0.03-0.10 Gyr -3.251 -1.659 -0.383
0.10-0.33 Gyr -2.635 -1.281 -0.535
0.33-1.08 Gyr -3.929 -1.441 -0.981
1.08-3.54 Gyr -5.385 -2.156 -1.513
3.54-11.60 Gyr -6.127 -2.574 -1.739
11.60-12.89 Gyr -6.275 -2.456 -1.545

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.253 10.332 10.423
{\rm log}_{10}({\rm SFR}) 0.122 0.512 0.881
{\rm log}_{10}({\rm sSFR}) -10.233 -9.800 -9.426
{\rm stellar\ age} 7.666 10.984 12.115

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.375 -0.960 -0.634
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.110 -0.638 -0.185

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.502 0.732 0.937
\delta -0.023 0.106 0.225
\tau_1/\tau_2 0.441 0.932 1.424
Q_{PAH} 0.459 1.247 2.621
U_{min} 3.207 8.968 16.572
{\rm log}_{10}(\gamma_e)\, -3.159 -2.154 -1.398

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.958 -2.709 -1.798
{\rm log}_{10}(\tau_{AGN})\, 1.115 1.598 1.954

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.448 -0.503 0.007
0.03-0.10 Gyr 0.262 0.657 1.029
0.10-0.33 Gyr -3.595 -2.109 -0.641
0.33-1.08 Gyr -6.223 -3.624 -1.219
1.08-3.54 Gyr -4.540 -2.461 -0.933
3.54-11.60 Gyr -1.747 0.011 0.541
11.60-12.89 Gyr 0.179 1.370 1.546