2025afvg

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Information

Transient

Name: AT2025afvg
Right ascension: 23h19m25.87s
Declination: -10d16m37.14s
Discovery Date: Dec. 5, 2025, 4:56 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.025

Host

Name: 3100249
Right ascension: 23h19m25.96s
Declination: -10d16m35.09s
Redshift: 0.069814
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.42
Transient MWEBV processed 0.18
Host match processed 4.59
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 4.66
Validate global photometry processed 14.87
Global host SED inference processed 378.81
Local aperture photometry processed 4.67
Validate local photometry processed 0.02
Local host SED inference processed 435.14
 

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) = 23h19m25.87s, -10d16m37.14s
semi major axis, semi minor axis (arcsec) = 1.5, 1.5
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 51.31 1.94 19.625 0.041 AB
PanSTARRS_g 59.66 0.47 19.461 0.009 AB
SDSS_r 92.41 2.62 18.986 0.031 AB
PanSTARRS_r 99.87 0.62 18.901 0.007 AB
SDSS_i 135.71 3.33 18.568 0.027 AB
PanSTARRS_i 139.81 0.61 18.536 0.005 AB
PanSTARRS_z 175.61 1.62 18.289 0.010 AB
SDSS_z 170.15 6.47 18.323 0.041 AB
PanSTARRS_y 213.38 2.68 18.077 0.014 AB

Aperture details

RA, DEC (J2000) = 23h19m25.96s, -10d16m35.96s
semi major axis, semi minor axis (arcsec) = 13.55, 5.55
angle (degrees, anti-clockwise from east) = -15.14

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 39.65 1.25 19.904 0.034 AB
GALEX_NUV 63.89 1.0 19.386 0.017 AB
SDSS_u 171.37 10.59 18.315 0.067 AB
SDSS_g 637.52 7.31 16.889 0.012 AB
PanSTARRS_g 700.99 2.59 16.786 0.004 AB
SDSS_r 1186.79 10.07 16.214 0.009 AB
PanSTARRS_r 1192.08 3.49 16.209 0.003 AB
SDSS_i 1737.38 13.52 15.800 0.008 AB
PanSTARRS_i 1688.67 3.41 15.831 0.002 AB
PanSTARRS_z 2079.75 9.19 15.605 0.005 AB
SDSS_z 2088.83 34.17 15.600 0.018 AB
PanSTARRS_y 2486.56 15.2 15.411 0.007 AB
2MASS_J 2949.13 191.04 14.331 0.070 Vega
2MASS_H 3981.64 293.64 13.532 0.080 Vega
2MASS_K 4174.4 377.21 13.011 0.098 Vega
WISE_W1 1803.36 28.69 13.061 0.017 Vega
WISE_W2 1108.45 32.56 12.949 0.032 Vega
WISE_W3 4510.34 122.18 9.590 0.029 Vega
WISE_W4 4572.07 870.68 8.130 0.207 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})\, 9.424 9.575 9.690
{\rm log}_{10}({\rm SFR}) -1.256 -0.535 0.123
{\rm log}_{10}({\rm sSFR}) -10.790 -10.098 -9.385
{\rm stellar\ age} 3.435 6.491 8.084

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.929 -0.383 -0.049
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.582 -0.746 0.018

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.377 0.821 1.212
\delta -0.402 -0.077 0.238
\tau_1/\tau_2 0.674 1.038 1.400
Q_{PAH} 0.906 2.769 5.273
U_{min} 2.977 8.399 15.922
{\rm log}_{10}(\gamma_e)\, -3.203 -1.850 -0.597

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.552 -1.362 -0.393
{\rm log}_{10}(\tau_{AGN})\, 1.023 1.465 2.025

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.024 -1.049 -0.650
0.03-0.10 Gyr -1.349 -0.430 0.272
0.10-0.33 Gyr -1.115 -0.369 0.185
0.33-1.07 Gyr -1.301 -0.473 -0.001
1.07-3.52 Gyr -1.284 -0.460 -0.145
3.52-11.55 Gyr -1.468 -0.407 -0.175
11.55-12.83 Gyr -1.498 -0.346 0.258

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.632 10.677 10.721
{\rm log}_{10}({\rm SFR}) 0.178 0.392 0.634
{\rm log}_{10}({\rm sSFR}) -10.501 -10.273 -10.038
{\rm stellar\ age} 6.967 7.644 9.069

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.505 -0.341 -0.202
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.398 -0.218 0.197

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.236 0.344 0.475
\delta -0.379 -0.161 0.014
\tau_1/\tau_2 0.864 1.199 1.535
Q_{PAH} 1.490 2.706 4.286
U_{min} 2.473 7.151 14.193
{\rm log}_{10}(\gamma_e)\, -2.346 -1.679 -1.026

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.236 -3.149 -2.107
{\rm log}_{10}(\tau_{AGN})\, 1.061 1.569 1.951

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.066 0.221 0.347
0.03-0.10 Gyr 0.156 0.454 0.749
0.10-0.33 Gyr 0.079 0.382 0.636
0.33-1.07 Gyr -0.057 0.255 0.462
1.07-3.52 Gyr 0.003 0.410 0.667
3.52-11.55 Gyr 0.662 0.834 0.924
11.55-12.83 Gyr 0.598 0.987 1.480