2025tan

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Information

Transient

Name: AT2025tan
Right ascension: 14h37m57.17s
Declination: 18d03m19.62s
Discovery Date: Aug. 2, 2025, 9:12 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.025

Host

Name:
Right ascension: 14h37m57.14s
Declination: 18d03m20.22s
Redshift: None
Photometric Redshift: 0.052
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 56.42
Transient MWEBV processed 0.15
Host match processed 6.4
Host information processed 0.16
Host MWEBV processed 0.05
Global aperture construction processed 0.7
Global aperture photometry processed 6.43
Validate global photometry processed 15.7
Global host SED inference processed 695.44
Local aperture photometry processed 7.03
Validate local photometry processed 0.02
Local host SED inference processed 472.47
 

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) = 14h37m57.17s, 18d03m19.62s
semi major axis, semi minor axis (arcsec) = 1.98, 1.98
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 19.4 1.99 20.681 0.111 AB
SDSS_g 54.84 1.99 19.552 0.039 AB
DES_g 57.79 0.34 19.495 0.006 AB
PanSTARRS_g 55.17 0.55 19.546 0.011 AB
SDSS_r 82.07 2.48 19.115 0.033 AB
PanSTARRS_r 78.43 0.62 19.164 0.009 AB
DES_r 88.67 0.65 19.031 0.008 AB
SDSS_i 104.12 3.01 18.856 0.031 AB
PanSTARRS_i 97.7 0.71 18.925 0.008 AB
PanSTARRS_z 108.38 1.25 18.813 0.012 AB
SDSS_z 122.74 5.92 18.678 0.052 AB
DES_z 117.73 1.59 18.723 0.015 AB
PanSTARRS_y 114.55 3.99 18.753 0.038 AB

Aperture details

RA, DEC (J2000) = 14h37m57.13s, 18d03m20.48s
semi major axis, semi minor axis (arcsec) = 8.23, 6.4
angle (degrees, anti-clockwise from east) = -15.29

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 42.55 7.57 19.828 0.193 AB
GALEX_NUV 48.97 5.1 19.675 0.113 AB
SDSS_u 70.31 6.6 19.282 0.102 AB
SDSS_g 197.1 4.1 18.163 0.023 AB
DES_g 193.93 0.73 18.181 0.004 AB
PanSTARRS_g 196.13 1.9 18.169 0.011 AB
SDSS_r 248.6 5.08 17.911 0.022 AB
PanSTARRS_r 264.98 2.17 17.842 0.009 AB
DES_r 272.02 1.31 17.813 0.005 AB
SDSS_i 293.36 6.97 17.732 0.026 AB
PanSTARRS_i 321.38 2.49 17.632 0.008 AB
PanSTARRS_z 334.65 4.47 17.589 0.014 AB
SDSS_z 392.4 19.83 17.416 0.055 AB
DES_z 334.41 3.03 17.589 0.010 AB
PanSTARRS_y 328.84 14.51 17.608 0.048 AB
2MASS_J 198.93 183.89 17.258 1.004 Vega
2MASS_H 147.92 268.45 17.107 1.970 Vega
2MASS_K 494.35 333.6 15.327 0.733 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})\, 8.732 8.899 9.042
{\rm log}_{10}({\rm SFR}) -1.581 -1.075 -0.501
{\rm log}_{10}({\rm sSFR}) -10.564 -9.983 -9.277
{\rm stellar\ age} 3.283 5.876 7.605

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.444 -0.934 -0.398
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.815 -1.420 -0.350

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.115 0.337 0.683
\delta -0.689 -0.321 0.138
\tau_1/\tau_2 0.709 1.063 1.402
Q_{PAH} 0.816 2.328 5.064
U_{min} 2.983 7.745 14.455
{\rm log}_{10}(\gamma_e)\, -3.095 -1.821 -0.596

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.601 -0.852 -0.268
{\rm log}_{10}(\tau_{AGN})\, 1.144 1.535 1.977

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.608 -1.209 -0.834
0.03-0.10 Gyr -1.773 -1.064 -0.405
0.10-0.33 Gyr -1.642 -0.911 -0.398
0.33-1.08 Gyr -1.716 -0.960 -0.565
1.08-3.57 Gyr -1.643 -1.014 -0.757
3.57-11.76 Gyr -1.773 -1.113 -0.844
11.76-13.07 Gyr -2.012 -1.154 -0.592

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.395 9.501 9.602
{\rm log}_{10}({\rm SFR}) -0.345 -0.054 0.251
{\rm log}_{10}({\rm sSFR}) -9.816 -9.528 -9.203
{\rm stellar\ age} 5.067 6.891 8.991

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.882 -1.649 -1.196
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.841 -1.217 0.248

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.150 0.416 0.718
\delta -0.154 0.178 0.331
\tau_1/\tau_2 0.614 1.050 1.519
Q_{PAH} 1.132 3.933 5.711
U_{min} 2.931 7.892 15.372
{\rm log}_{10}(\gamma_e)\, -3.204 -1.932 -0.576

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.844 -1.926 -0.828
{\rm log}_{10}(\tau_{AGN})\, 1.015 1.488 1.922

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.985 -1.077 -0.655
0.03-0.10 Gyr -0.216 0.094 0.402
0.10-0.33 Gyr -0.956 -0.233 0.202
0.33-1.08 Gyr -1.185 -0.543 -0.186
1.08-3.57 Gyr -1.545 -0.602 -0.284
3.57-11.76 Gyr -1.231 -0.505 -0.309
11.76-13.07 Gyr -1.014 -0.295 0.409