2025ahpc

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Information

Transient

Name: AT2025ahpc
Right ascension: 6h12m02.92s
Declination: -21d49m35.65s
Discovery Date: Dec. 19, 2025, 2:15 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.067

Host

Name: NGC2196
Right ascension: 6h12m09.63s
Declination: -21d48m21.27s
Redshift: 0.007512
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 4.11
Transient MWEBV processed 0.13
Host match processed 4.43
Host information processed 0.13
Host MWEBV processed 0.09
Global aperture construction processed 0.65
Global aperture photometry processed 4.01
Validate global photometry processed 6.16
Global host SED inference processed 560.0
Local aperture photometry processed 3.79
Validate local photometry processed 0.02
Local host SED inference processed 494.28
 

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) = 6h12m02.92s, -21d49m35.65s
semi major axis, semi minor axis (arcsec) = 12.94, 12.94
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 106.71 4.5 18.829 0.046 AB
PanSTARRS_r 202.38 5.41 18.135 0.029 AB
PanSTARRS_i 263.04 4.92 17.850 0.020 AB
PanSTARRS_z 289.35 12.73 17.746 0.048 AB
PanSTARRS_y 229.84 27.06 17.996 0.128 AB
WISE_W1 428.17 74.48 14.622 0.189 Vega
WISE_W2 228.36 38.77 14.664 0.184 Vega
WISE_W3 60.18 136.17 14.277 2.457 Vega
WISE_W4 -410.79 436.29 Vega

Aperture details

RA, DEC (J2000) = 6h12m09.63s, -21d48m21.78s
semi major axis, semi minor axis (arcsec) = 46.89, 35.67
angle (degrees, anti-clockwise from east) = -121.4

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 86813.58 38.19 11.554 0.000 AB
PanSTARRS_i 124817.74 47.23 11.159 0.000 AB
PanSTARRS_z 160445.96 72.13 10.887 0.000 AB
PanSTARRS_y 190026.33 114.19 10.703 0.001 AB
WISE_W1 118067.92 1704.26 8.521 0.016 Vega
WISE_W2 64952.7 1151.97 8.530 0.019 Vega
WISE_W3 55799.23 3439.19 6.859 0.067 Vega
WISE_W4 36704.69 5621.6 5.868 0.166 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})\, 7.857 7.990 8.097
{\rm log}_{10}({\rm SFR}) -2.744 -2.236 -1.792
{\rm log}_{10}({\rm sSFR}) -10.747 -10.219 -9.793
{\rm stellar\ age} 6.353 7.632 9.414

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.770 -1.416 -1.030
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.911 -1.630 -0.627

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.567 0.846 1.076
\delta -0.090 0.189 0.342
\tau_1/\tau_2 0.712 1.033 1.384
Q_{PAH} 1.892 3.759 5.422
U_{min} 2.826 8.089 14.695
{\rm log}_{10}(\gamma_e)\, -2.852 -1.979 -1.071

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.661 -1.871 -0.641
{\rm log}_{10}(\tau_{AGN})\, 1.037 1.574 1.997

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.802 -2.211 -1.862
0.03-0.10 Gyr -3.061 -2.304 -1.727
0.10-0.33 Gyr -3.175 -2.435 -1.968
0.33-1.10 Gyr -3.151 -2.419 -2.023
1.10-3.65 Gyr -2.859 -2.126 -1.854
3.65-12.11 Gyr -2.231 -1.923 -1.763
12.11-13.46 Gyr -2.389 -1.848 -1.205

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.565 10.667 10.784
{\rm log}_{10}({\rm SFR}) -1.504 -0.202 0.392
{\rm log}_{10}({\rm sSFR}) -12.151 -10.895 -10.245
{\rm stellar\ age} 7.451 8.846 12.503

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.451 -0.289 -0.174
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.315 -0.759 -0.243

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.071 0.178 0.344
\delta -0.827 -0.491 -0.022
\tau_1/\tau_2 0.426 0.852 1.278
Q_{PAH} 0.194 0.876 3.070
U_{min} 2.751 7.531 14.683
{\rm log}_{10}(\gamma_e)\, -3.571 -2.728 -1.533

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.554 -3.856 -2.999
{\rm log}_{10}(\tau_{AGN})\, 1.028 1.550 1.924

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.996 -0.506 -0.024
0.03-0.10 Gyr -2.161 -0.178 0.504
0.10-0.33 Gyr -2.643 -0.416 0.408
0.33-1.10 Gyr -2.513 -0.548 0.271
1.10-3.65 Gyr -1.914 -0.253 0.515
3.65-12.11 Gyr -0.521 0.656 0.873
12.11-13.46 Gyr 0.405 1.174 1.879