2025agcg

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Information

Transient

Name: AT2025agcg
Right ascension: 1h35m16.13s
Declination: 27d44m33.51s
Discovery Date: Dec. 6, 2025, 7:05 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.071

Host

Name:
Right ascension: 1h35m16.36s
Declination: 27d44m32.29s
Redshift: None
Photometric Redshift: 0.077
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.71
Transient MWEBV processed 0.04
Host match processed 5.98
Host information processed 0.08
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 5.5
Validate global photometry processed 15.07
Global host SED inference processed 423.29
Local aperture photometry processed 5.38
Validate local photometry processed 0.02
Local host SED inference processed 429.78
 

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) = 1h35m16.13s, 27d44m33.51s
semi major axis, semi minor axis (arcsec) = 1.37, 1.37
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 17.29 0.36 20.806 0.023 AB
SDSS_r 25.67 1.51 20.376 0.064 AB
PanSTARRS_r 29.08 0.41 20.241 0.015 AB
SDSS_i 33.65 1.99 20.083 0.064 AB
PanSTARRS_i 40.87 0.46 19.871 0.012 AB
PanSTARRS_z 48.77 1.11 19.680 0.025 AB
SDSS_z 48.19 4.67 19.693 0.105 AB
PanSTARRS_y 57.07 2.35 19.509 0.045 AB

Aperture details

RA, DEC (J2000) = 1h35m16.34s, 27d44m32.44s
semi major axis, semi minor axis (arcsec) = 11.74, 8.91
angle (degrees, anti-clockwise from east) = -114.62

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 32.66 3.71 20.115 0.123 AB
GALEX_NUV 33.42 2.74 20.090 0.089 AB
SDSS_u -18.42 11.35 AB
SDSS_g 293.96 6.09 17.729 0.022 AB
PanSTARRS_g 343.55 2.66 17.560 0.008 AB
SDSS_r 581.1 8.46 16.989 0.016 AB
PanSTARRS_r 565.39 2.95 17.019 0.006 AB
SDSS_i 797.54 12.33 16.646 0.017 AB
PanSTARRS_i 775.62 3.37 16.676 0.005 AB
PanSTARRS_z 899.18 8.15 16.515 0.010 AB
SDSS_z 1184.96 33.48 16.216 0.031 AB
PanSTARRS_y 1051.55 17.45 16.345 0.018 AB
2MASS_J 1144.76 273.92 15.358 0.260 Vega
2MASS_H 1354.71 458.23 14.703 0.367 Vega
2MASS_K 788.57 452.22 14.820 0.623 Vega
WISE_W1 623.76 21.18 14.213 0.037 Vega
WISE_W2 424.32 26.82 13.992 0.069 Vega
WISE_W3 1333.82 99.19 10.913 0.081 Vega
WISE_W4 1502.26 499.05 9.338 0.361 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})\, 8.825 9.027 9.156
{\rm log}_{10}({\rm SFR}) -1.915 -1.022 -0.131
{\rm log}_{10}({\rm sSFR}) -10.991 -10.070 -9.084
{\rm stellar\ age} 1.310 5.469 7.260

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.501 -0.783 -0.193
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.539 -0.744 0.079

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.288 0.800 1.388
\delta -0.498 -0.135 0.199
\tau_1/\tau_2 0.684 1.077 1.440
Q_{PAH} 0.993 2.874 5.447
U_{min} 3.088 8.255 15.405
{\rm log}_{10}(\gamma_e)\, -3.079 -2.057 -0.869

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.059 -0.848 -0.082
{\rm log}_{10}(\tau_{AGN})\, 1.062 1.511 1.940

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.487 -1.441 -0.846
0.03-0.10 Gyr -2.081 -1.010 0.013
0.10-0.33 Gyr -1.772 -0.887 -0.085
0.33-1.07 Gyr -1.876 -0.890 -0.299
1.07-3.50 Gyr -2.553 -0.937 -0.614
3.50-11.47 Gyr -3.232 -1.044 -0.723
11.47-12.74 Gyr -3.079 -1.071 -0.461

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.363 10.402 10.479
{\rm log}_{10}({\rm SFR}) -0.208 0.030 0.315
{\rm log}_{10}({\rm sSFR}) -10.624 -10.389 -10.094
{\rm stellar\ age} 7.372 8.157 10.607

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.757 -0.603 -0.500
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.451 -0.268 0.291

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.031 0.081 0.159
\delta -0.544 -0.137 0.186
\tau_1/\tau_2 0.636 1.064 1.474
Q_{PAH} 0.827 3.085 5.411
U_{min} 2.601 7.877 15.559
{\rm log}_{10}(\gamma_e)\, -2.988 -1.713 -0.452

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.718 -1.718 -1.247
{\rm log}_{10}(\tau_{AGN})\, 1.432 1.754 1.979

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.786 -0.405 -0.231
0.03-0.10 Gyr -0.160 0.137 0.462
0.10-0.33 Gyr -0.517 -0.055 0.215
0.33-1.07 Gyr -0.773 -0.261 0.024
1.07-3.50 Gyr -0.981 -0.221 0.157
3.50-11.47 Gyr 0.143 0.555 0.657
11.47-12.74 Gyr 0.354 0.882 1.487