2025aigy

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Information

Transient

Name: AT2025aigy
Right ascension: 0h24m01.13s
Declination: 16d28m51.80s
Discovery Date: Dec. 25, 2025, 5:02 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.051

Host

Name: NGC0100
Right ascension: 0h24m02.84s
Declination: 16d29m11.00s
Redshift: 0.004064
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.41
Transient MWEBV processed 0.06
Host match processed 4.12
Host information processed 0.18
Host MWEBV processed 0.04
Global aperture construction processed 2.2
Global aperture photometry processed 10.87
Validate global photometry processed 44.49
Global host SED inference processed 405.71
Local aperture photometry processed 6.75
Validate local photometry processed 0.05
Local host SED inference processed 388.68
 

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) = 0h24m01.13s, 16d28m51.80s
semi major axis, semi minor axis (arcsec) = 23.82, 23.82
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 219.57 12.84 18.046 0.063 AB
GALEX_NUV 329.54 9.25 17.605 0.030 AB
SDSS_u 1519.25 20.56 15.946 0.015 AB
SDSS_g 4311.76 21.9 14.813 0.006 AB
DES_g 3762.06 10.31 14.961 0.003 AB
PanSTARRS_g 4536.59 7.67 14.758 0.002 AB
SDSS_r 7495.56 30.32 14.213 0.004 AB
PanSTARRS_r 7822.54 8.59 14.167 0.001 AB
DES_r 6840.64 18.82 14.312 0.003 AB
SDSS_i 10171.53 39.76 13.882 0.004 AB
PanSTARRS_i 9471.51 11.91 13.959 0.001 AB
PanSTARRS_z 12210.21 20.06 13.683 0.002 AB
SDSS_z 11853.49 83.61 13.715 0.008 AB
DES_z 10980.21 32.92 13.798 0.003 AB
PanSTARRS_y 14134.18 38.29 13.524 0.003 AB
2MASS_J 15870.1 561.25 12.504 0.038 Vega
2MASS_H 18628.39 732.77 11.857 0.043 Vega
2MASS_K 11822.9 1176.07 11.880 0.108 Vega
WISE_W1 7033.02 258.59 11.583 0.040 Vega
WISE_W2 3956.81 246.49 11.568 0.068 Vega
WISE_W3 4708.37 648.76 9.544 0.150 Vega
WISE_W4 5388.77 1831.31 7.951 0.369 Vega

Aperture details

RA, DEC (J2000) = 0h24m02.76s, 16d29m11.20s
semi major axis, semi minor axis (arcsec) = 155.28, 16.18
angle (degrees, anti-clockwise from east) = -124.69

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 885.45 24.13 16.532 0.030 AB
GALEX_NUV 1188.96 17.77 16.212 0.016 AB
SDSS_u 5458.82 41.03 14.557 0.008 AB
SDSS_g 14831.58 40.21 13.472 0.003 AB
PanSTARRS_g 15168.49 14.12 13.448 0.001 AB
SDSS_r 25519.14 53.57 12.883 0.002 AB
PanSTARRS_r 25288.42 17.26 12.893 0.001 AB
SDSS_i 33093.97 69.8 12.601 0.002 AB
PanSTARRS_i 31262.83 24.55 12.662 0.001 AB
PanSTARRS_z 37169.01 46.88 12.475 0.001 AB
SDSS_z 38110.52 164.92 12.447 0.005 AB
PanSTARRS_y 44501.47 83.81 12.279 0.002 AB
2MASS_J 49569.93 1187.0 11.267 0.026 Vega
2MASS_H 54718.19 1549.66 10.687 0.031 Vega
2MASS_K 42883.14 2489.73 10.481 0.063 Vega
WISE_W1 20685.75 391.43 10.412 0.021 Vega
WISE_W2 12461.13 383.39 10.322 0.033 Vega
WISE_W3 13609.85 1375.51 8.391 0.110 Vega
WISE_W4 13126.05 4097.32 6.985 0.339 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})\, 8.869 8.919 8.998
{\rm log}_{10}({\rm SFR}) -1.670 -1.342 -1.043
{\rm log}_{10}({\rm sSFR}) -10.625 -10.281 -9.964
{\rm stellar\ age} 7.700 8.518 11.082

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.806 -0.616 -0.475
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.588 -0.868 0.001

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.141 0.237 0.383
\delta -0.692 -0.352 -0.003
\tau_1/\tau_2 0.799 1.155 1.502
Q_{PAH} 0.502 1.507 3.356
U_{min} 2.937 8.384 15.839
{\rm log}_{10}(\gamma_e)\, -2.731 -1.791 -1.003

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.619 -2.529 -1.727
{\rm log}_{10}(\tau_{AGN})\, 0.957 1.365 1.781

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.371 -1.944 -1.668
0.03-0.10 Gyr -1.585 -1.217 -0.902
0.10-0.33 Gyr -1.866 -1.438 -1.156
0.33-1.10 Gyr -2.207 -1.769 -1.507
1.10-3.66 Gyr -2.217 -1.612 -1.280
3.66-12.15 Gyr -1.335 -0.959 -0.850
12.15-13.50 Gyr -1.156 -0.645 -0.030

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.281 9.344 9.410
{\rm log}_{10}({\rm SFR}) -1.587 -1.299 -0.996
{\rm log}_{10}({\rm sSFR}) -10.941 -10.653 -10.351
{\rm stellar\ age} 6.888 7.698 8.684

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.936 -0.769 -0.640
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.006 0.187 0.366

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.075 0.133 0.222
\delta -0.828 -0.493 -0.010
\tau_1/\tau_2 0.600 0.911 1.243
Q_{PAH} 0.349 1.310 3.661
U_{min} 2.891 7.660 14.093
{\rm log}_{10}(\gamma_e)\, -2.988 -1.878 -1.154

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.353 -3.362 -2.487
{\rm log}_{10}(\tau_{AGN})\, 1.036 1.494 1.901

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.624 -1.313 -1.078
0.03-0.10 Gyr -1.713 -1.300 -0.935
0.10-0.33 Gyr -1.454 -1.072 -0.755
0.33-1.10 Gyr -1.469 -1.048 -0.788
1.10-3.66 Gyr -1.191 -0.791 -0.552
3.66-12.15 Gyr -0.666 -0.512 -0.395
12.15-13.50 Gyr -0.948 -0.498 -0.052