2025htg

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Information

Transient

Name: AT2025htg
Right ascension: 17h01m31.22s
Declination: 34d48m08.19s
Discovery Date: April 15, 2025, 9:34 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.017

Host

Name: 2025htg
Right ascension: 17h01m31.19s
Declination: 34d48m08.40s
Redshift: 0.062521
Photometric Redshift: 0.075
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 3.53
Cutout download processed 18.64
Global aperture construction processed 0.65
Local aperture photometry processed 6.41
Global aperture photometry processed 6.41
Validate local photometry processed 0.03
Validate global photometry processed 17.5
Host information processed 0.09
Global host SED inference processed 441.61
Local host SED inference processed 620.33
Transient information processed 0.0
Transient MWEBV processed 0.09
Host MWEBV processed 0.12
Log transient processing status processed None
 

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) = 17h01m31.22s, 34d48m08.19s
semi major axis, semi minor axis (arcsec) = 1.66, 1.66
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 32.49 1.91 20.121 0.064 AB
SDSS_g 207.03 3.76 18.110 0.020 AB
DES_g 161.64 1.38 18.379 0.009 AB
PanSTARRS_g 209.85 0.44 18.095 0.002 AB
SDSS_r 507.65 5.89 17.136 0.013 AB
PanSTARRS_r 496.47 0.67 17.160 0.001 AB
SDSS_i 810.38 7.46 16.628 0.010 AB
PanSTARRS_i 742.31 0.48 16.724 0.001 AB
PanSTARRS_z 938.3 1.23 16.469 0.001 AB
SDSS_z 1142.15 9.65 16.256 0.009 AB
DES_z 1143.14 5.29 16.255 0.005 AB
PanSTARRS_y 1114.41 2.67 16.282 0.003 AB

Aperture details

RA, DEC (J2000) = 17h01m31.18s, 34d48m08.57s
semi major axis, semi minor axis (arcsec) = 12.34, 4.09
angle (degrees, anti-clockwise from east) = -77.71

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 3.96 1.53 22.404 0.419 AB
GALEX_NUV 4.32 0.8 22.310 0.200 AB
SDSS_u 85.85 5.99 19.066 0.076 AB
SDSS_g 528.34 6.25 17.093 0.013 AB
DES_g 536.49 2.53 17.076 0.005 AB
PanSTARRS_g 577.07 1.53 16.997 0.003 AB
SDSS_r 1223.07 9.56 16.181 0.008 AB
PanSTARRS_r 1266.88 2.3 16.143 0.002 AB
SDSS_i 1848.14 12.01 15.733 0.007 AB
PanSTARRS_i 1874.95 1.7 15.718 0.001 AB
PanSTARRS_z 2346.38 4.49 15.474 0.002 AB
SDSS_z 2682.51 21.83 15.329 0.009 AB
DES_z 2525.64 8.06 15.394 0.003 AB
PanSTARRS_y 2838.83 10.95 15.267 0.004 AB
2MASS_J 3771.24 149.18 14.064 0.043 Vega
2MASS_H 4771.63 232.26 13.336 0.053 Vega
2MASS_K 4185.97 254.61 13.008 0.066 Vega
WISE_W1 1871.98 24.43 13.020 0.014 Vega
WISE_W2 1136.42 25.48 12.922 0.024 Vega
WISE_W3 700.87 72.2 11.612 0.112 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.351 10.460 10.567
{\rm log}_{10}({\rm SFR}) -2.693 -0.806 0.061
{\rm log}_{10}({\rm sSFR}) -13.097 -11.273 -10.332
{\rm stellar\ age} 7.587 10.170 12.256

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.516 -1.022 -0.684
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.374 -0.025 0.349

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.661 0.949 1.231
\delta -0.778 -0.569 -0.267
\tau_1/\tau_2 0.499 0.926 1.345
Q_{PAH} 0.411 1.750 4.449
U_{min} 3.070 9.114 16.932
{\rm log}_{10}(\gamma_e)\, -3.102 -1.631 -0.625

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.733 -1.295 -0.280
{\rm log}_{10}(\tau_{AGN})\, 0.995 1.429 1.922

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.957 -0.753 0.038
0.03-0.10 Gyr -3.959 -1.145 0.039
0.10-0.33 Gyr -4.638 -1.443 -0.139
0.33-1.08 Gyr -5.270 -1.597 -0.286
1.08-3.54 Gyr -4.177 -1.579 0.029
3.54-11.63 Gyr -1.799 0.311 0.661
11.63-12.93 Gyr 0.304 1.354 1.698

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.715 10.792 10.869
{\rm log}_{10}({\rm SFR}) -4.187 -1.969 -1.158
{\rm log}_{10}({\rm sSFR}) -14.998 -12.771 -11.917
{\rm stellar\ age} 7.712 10.796 12.266

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.844 -0.637 -0.490
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.564 -0.670 0.153

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.313 0.423 0.563
\delta -0.764 -0.525 -0.328
\tau_1/\tau_2 0.477 0.913 1.358
Q_{PAH} 0.419 1.165 2.589
U_{min} 2.954 8.742 16.948
{\rm log}_{10}(\gamma_e)\, -3.231 -2.207 -1.426

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.214 -3.130 -2.224
{\rm log}_{10}(\tau_{AGN})\, 0.994 1.398 1.823

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.096 -2.108 -1.082
0.03-0.10 Gyr -5.373 -2.384 -1.214
0.10-0.33 Gyr -5.930 -2.712 -1.299
0.33-1.08 Gyr -5.534 -2.656 -1.169
1.08-3.54 Gyr -3.754 -1.845 -0.254
3.54-11.63 Gyr -1.657 0.624 1.024
11.63-12.93 Gyr 0.480 1.772 2.006