2025aghi

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Information

Transient

Name: AT2025aghi
Right ascension: 18h49m36.91s
Declination: 62d44m43.32s
Discovery Date: Dec. 6, 2025, 2:51 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.052

Host

Name:
Right ascension: 18h49m37.69s
Declination: 62d44m51.19s
Redshift: None
Photometric Redshift: 0.063
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.97
Transient MWEBV processed 0.1
Host match processed 4.72
Host information processed 0.16
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 4.88
Validate global photometry processed 15.22
Global host SED inference processed 822.95
Local aperture photometry processed 4.85
Validate local photometry processed 0.02
Local host SED inference processed 449.24
 

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) = 18h49m36.91s, 62d44m43.32s
semi major axis, semi minor axis (arcsec) = 1.64, 1.64
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 0.15 1.47 25.956 10.594 AB
SDSS_g 11.19 1.05 21.278 0.102 AB
PanSTARRS_g 11.71 0.39 21.229 0.036 AB
SDSS_r 25.01 1.48 20.405 0.064 AB
PanSTARRS_r 26.48 0.52 20.343 0.022 AB
SDSS_i 39.45 2.14 19.910 0.059 AB
PanSTARRS_i 39.88 0.5 19.898 0.014 AB
PanSTARRS_z 48.71 1.23 19.681 0.027 AB
SDSS_z 47.32 4.55 19.712 0.104 AB
PanSTARRS_y 62.49 3.59 19.410 0.062 AB

Aperture details

RA, DEC (J2000) = 18h49m37.68s, 62d44m51.34s
semi major axis, semi minor axis (arcsec) = 18.21, 12.43
angle (degrees, anti-clockwise from east) = -96.24

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 23.97 3.72 20.451 0.169 AB
GALEX_NUV 17.22 2.67 20.810 0.168 AB
SDSS_u 200.36 13.83 18.145 0.075 AB
SDSS_g 2043.13 12.89 15.624 0.007 AB
PanSTARRS_g 2308.88 3.58 15.491 0.002 AB
SDSS_r 4894.98 19.32 14.676 0.004 AB
PanSTARRS_r 5057.06 4.88 14.640 0.001 AB
SDSS_i 7483.17 25.82 14.215 0.004 AB
PanSTARRS_i 7634.32 4.62 14.193 0.001 AB
PanSTARRS_z 9496.71 11.41 13.956 0.001 AB
SDSS_z 9926.48 46.11 13.908 0.005 AB
PanSTARRS_y 11817.39 32.91 13.719 0.003 AB
2MASS_J 15739.13 346.71 12.513 0.024 Vega
2MASS_H 18608.73 505.84 11.858 0.030 Vega
2MASS_K 16820.2 635.21 11.498 0.041 Vega
WISE_W1 7844.99 37.8 11.465 0.005 Vega
WISE_W2 4601.97 37.55 11.404 0.009 Vega
WISE_W3 1059.27 95.54 11.163 0.098 Vega
WISE_W4 543.43 406.2 10.442 0.812 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})\, 9.043 9.204 9.326
{\rm log}_{10}({\rm SFR}) -1.840 -1.227 -0.702
{\rm log}_{10}({\rm sSFR}) -11.090 -10.457 -9.873
{\rm stellar\ age} 6.049 7.566 10.716

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.463 -0.812 -0.204
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.502 -0.203 0.304

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.697 1.148 1.562
\delta -0.222 0.055 0.256
\tau_1/\tau_2 0.609 0.983 1.330
Q_{PAH} 0.718 2.449 5.429
U_{min} 3.013 7.973 15.219
{\rm log}_{10}(\gamma_e)\, -2.708 -1.638 -0.691

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.297 -1.139 -0.242
{\rm log}_{10}(\tau_{AGN})\, 1.018 1.486 1.889

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.810 -1.124 -0.671
0.03-0.10 Gyr -2.203 -1.368 -0.696
0.10-0.33 Gyr -2.553 -1.490 -0.829
0.33-1.08 Gyr -2.762 -1.449 -0.813
1.08-3.54 Gyr -2.681 -1.058 -0.685
3.54-11.62 Gyr -1.440 -0.754 -0.529
11.62-12.91 Gyr -1.255 -0.543 0.295

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.369 11.461 11.490
{\rm log}_{10}({\rm SFR}) -1.398 -0.974 -0.573
{\rm log}_{10}({\rm sSFR}) -12.861 -12.415 -11.986
{\rm stellar\ age} 8.646 11.895 12.257

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.444 -0.326 -0.235
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.175 -0.695 -0.261

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.107 0.170 0.242
\delta -0.891 -0.696 -0.447
\tau_1/\tau_2 0.186 0.512 0.937
Q_{PAH} 0.363 0.991 2.020
U_{min} 3.022 8.434 16.322
{\rm log}_{10}(\gamma_e)\, -2.571 -1.644 -1.052

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.601 -3.915 -3.012
{\rm log}_{10}(\tau_{AGN})\, 1.044 1.548 1.921

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.060 -0.659 -0.324
0.03-0.10 Gyr -3.767 -1.471 -0.717
0.10-0.33 Gyr -4.165 -1.521 -0.697
0.33-1.08 Gyr -3.146 -1.167 -0.278
1.08-3.54 Gyr -2.593 -0.763 0.234
3.54-11.62 Gyr -1.241 0.585 1.572
11.62-12.91 Gyr 1.873 2.574 2.629