2025whs

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Information

Transient

Name: AT2025whs
Right ascension: 1h48m00.80s
Declination: 17d47m35.85s
Discovery Date: Aug. 29, 2025, 11:04 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.040

Host

Name:
Right ascension: 1h48m00.80s
Declination: 17d47m34.36s
Redshift: None
Photometric Redshift: 0.099
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 39.78
Transient MWEBV processed 0.12
Host match processed 5.94
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 4.13
Validate global photometry processed 12.53
Global host SED inference processed 575.41
Local aperture photometry processed 4.92
Validate local photometry processed 0.02
Local host SED inference processed 644.25
 

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) = 1h48m00.80s, 17d47m35.85s
semi major axis, semi minor axis (arcsec) = 1.1, 1.1
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_z 20.48 0.67 20.622 0.035 AB
PanSTARRS_y 20.5 1.83 20.621 0.097 AB

Aperture details

RA, DEC (J2000) = 1h48m00.78s, 17d47m34.63s
semi major axis, semi minor axis (arcsec) = 3.53, 3.24
angle (degrees, anti-clockwise from east) = -105.58

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 2.43 1.76 22.935 0.787 AB
SDSS_u 25.63 4.32 20.378 0.183 AB
DES_g 40.21 0.37 19.889 0.010 AB
PanSTARRS_g 37.36 0.87 19.969 0.025 AB
SDSS_r 58.98 2.72 19.473 0.050 AB
PanSTARRS_r 68.69 1.17 19.308 0.019 AB
PanSTARRS_i 84.59 1.16 19.082 0.015 AB
PanSTARRS_z 92.81 2.01 18.981 0.023 AB
PanSTARRS_y 94.67 5.48 18.959 0.063 AB
2MASS_J 120.33 76.35 17.804 0.689 Vega
2MASS_H 1.3 111.95 22.246 93.374 Vega
2MASS_K 157.46 160.46 16.569 1.106 Vega
WISE_W1 40.44 7.47 17.184 0.200 Vega
WISE_W2 18.9 11.3 17.370 0.649 Vega
WISE_W3 2.05 49.64 17.946 26.266 Vega
WISE_W4 172.95 334.09 11.685 2.097 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})\, 8.213 8.704 8.966
{\rm log}_{10}({\rm SFR}) -0.990 -0.538 -0.102
{\rm log}_{10}({\rm sSFR}) -9.844 -9.257 -8.256
{\rm stellar\ age} 0.651 5.339 7.345

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.569 -0.822 -0.090
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.328 -0.656 0.071

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.503 0.927 1.371
\delta -0.566 -0.163 0.150
\tau_1/\tau_2 0.437 0.860 1.277
Q_{PAH} 0.821 2.551 5.043
U_{min} 3.040 8.304 15.512
{\rm log}_{10}(\gamma_e)\, -3.066 -2.059 -0.657

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.366 -1.062 -0.165
{\rm log}_{10}(\tau_{AGN})\, 0.992 1.492 1.951

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.771 -0.316 0.074
0.03-0.10 Gyr -2.361 -1.005 -0.173
0.10-0.33 Gyr -3.292 -1.427 -0.657
0.33-1.06 Gyr -3.585 -1.369 -0.641
1.06-3.45 Gyr -3.969 -1.424 -0.936
3.45-11.22 Gyr -3.968 -1.392 -0.892
11.22-12.47 Gyr -3.879 -1.432 -0.654

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.341 9.487 9.611
{\rm log}_{10}({\rm SFR}) -0.663 -0.220 0.161
{\rm log}_{10}({\rm sSFR}) -10.216 -9.743 -9.275
{\rm stellar\ age} 5.752 7.091 9.033

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.288 -0.751 -0.399
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.966 0.001 0.290

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.109 0.223 0.382
\delta -0.908 -0.686 -0.298
\tau_1/\tau_2 0.599 1.003 1.408
Q_{PAH} 0.795 2.158 4.272
U_{min} 2.604 7.778 15.167
{\rm log}_{10}(\gamma_e)\, -2.547 -1.547 -0.655

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.633 -2.089 -1.030
{\rm log}_{10}(\tau_{AGN})\, 1.149 1.600 1.939

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.948 -0.624 -0.395
0.03-0.10 Gyr -0.624 -0.118 0.298
0.10-0.33 Gyr -1.500 -0.624 -0.233
0.33-1.06 Gyr -1.813 -0.886 -0.470
1.06-3.45 Gyr -1.472 -0.733 -0.404
3.45-11.22 Gyr -0.876 -0.424 -0.225
11.22-12.47 Gyr -0.924 -0.266 0.397