2025san

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Information

Transient

Name: AT2025san
Right ascension: 3h30m15.85s
Declination: -19d51m03.43s
Discovery Date: June 21, 2025, 7:51 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.028

Host

Name: 135053
Right ascension: 3h30m16.09s
Declination: -19d51m01.20s
Redshift: None
Photometric Redshift: 0.044
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 27.09
Transient MWEBV processed 0.05
Host match processed 4.04
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.71
Global aperture photometry processed 4.99
Validate global photometry processed 14.0
Global host SED inference processed 395.06
Local aperture photometry processed 5.53
Validate local photometry processed 0.02
Local host SED inference processed 423.21
 

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) = 3h30m15.85s, -19d51m03.43s
semi major axis, semi minor axis (arcsec) = 2.33, 2.33
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 83.72 0.37 19.093 0.005 AB
PanSTARRS_g 78.52 0.85 19.163 0.012 AB
PanSTARRS_r 105.16 0.9 18.845 0.009 AB
DES_r 129.65 0.46 18.618 0.004 AB
PanSTARRS_i 143.65 0.8 18.507 0.006 AB
PanSTARRS_z 166.79 1.94 18.345 0.013 AB
DES_z 175.91 2.78 18.287 0.017 AB
PanSTARRS_y 191.3 4.84 18.196 0.027 AB

Aperture details

RA, DEC (J2000) = 3h30m16.08s, -19d51m01.02s
semi major axis, semi minor axis (arcsec) = 22.16, 11.55
angle (degrees, anti-clockwise from east) = -69.67

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 199.13 8.73 18.152 0.048 AB
GALEX_NUV 265.35 6.07 17.840 0.025 AB
DES_g 1478.61 1.73 15.975 0.001 AB
PanSTARRS_g 1428.52 5.67 16.013 0.004 AB
PanSTARRS_r 1833.83 5.96 15.742 0.004 AB
DES_r 2247.08 2.12 15.521 0.001 AB
PanSTARRS_i 2396.91 5.38 15.451 0.002 AB
PanSTARRS_z 2784.86 13.08 15.288 0.005 AB
DES_z 2946.1 12.01 15.227 0.004 AB
PanSTARRS_y 3069.5 33.24 15.182 0.012 AB
2MASS_J 3165.43 382.3 14.254 0.131 Vega
2MASS_H 4762.59 715.9 13.338 0.163 Vega
2MASS_K 4153.44 771.01 13.016 0.202 Vega
WISE_W1 1774.08 25.61 13.079 0.016 Vega
WISE_W2 1160.56 32.57 12.899 0.030 Vega
WISE_W3 5029.56 188.13 9.472 0.041 Vega
WISE_W4 7415.62 1021.88 7.605 0.150 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})\, 8.831 9.008 9.141
{\rm log}_{10}({\rm SFR}) -1.219 -0.744 -0.271
{\rm log}_{10}({\rm sSFR}) -10.309 -9.763 -9.147
{\rm stellar\ age} 4.398 6.636 8.283

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.073 -0.628 -0.229
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.431 -1.114 -0.495

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.223 0.525 0.833
\delta -0.564 -0.165 0.138
\tau_1/\tau_2 0.586 0.944 1.277
Q_{PAH} 0.668 2.231 4.573
U_{min} 2.924 7.804 14.353
{\rm log}_{10}(\gamma_e)\, -3.289 -2.057 -0.915

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.941 -1.986 -0.614
{\rm log}_{10}(\tau_{AGN})\, 1.011 1.428 1.892

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.139 -0.747 -0.437
0.03-0.10 Gyr -1.460 -0.795 -0.192
0.10-0.33 Gyr -1.722 -1.013 -0.506
0.33-1.09 Gyr -1.858 -1.097 -0.691
1.09-3.59 Gyr -1.715 -1.028 -0.752
3.59-11.85 Gyr -1.498 -0.947 -0.716
11.85-13.17 Gyr -1.672 -0.962 -0.340

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.112 10.210 10.296
{\rm log}_{10}({\rm SFR}) 0.239 0.489 0.730
{\rm log}_{10}({\rm sSFR}) -10.007 -9.724 -9.416
{\rm stellar\ age} 6.613 7.675 9.224

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.612 -0.469 -0.359
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.685 -1.504 -1.241

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.097 0.154 0.267
\delta -0.800 -0.476 -0.128
\tau_1/\tau_2 0.679 1.056 1.413
Q_{PAH} 0.678 1.531 2.542
U_{min} 2.432 7.140 13.767
{\rm log}_{10}(\gamma_e)\, -2.972 -2.050 -1.438

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.731 -2.493 -1.697
{\rm log}_{10}(\tau_{AGN})\, 1.172 1.687 1.995

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.012 0.185 0.351
0.03-0.10 Gyr 0.271 0.580 0.850
0.10-0.33 Gyr -0.410 0.167 0.542
0.33-1.09 Gyr -0.706 -0.149 0.183
1.09-3.59 Gyr -0.540 -0.048 0.218
3.59-11.85 Gyr 0.089 0.311 0.451
11.85-13.17 Gyr 0.097 0.506 1.027