2025whn

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Information

Transient

Name: AT2025whn
Right ascension: 2h38m17.53s
Declination: 24d14m22.64s
Discovery Date: Aug. 19, 2025, 12:39 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.129

Host

Name:
Right ascension: 2h38m17.55s
Declination: 24d14m22.01s
Redshift: None
Photometric Redshift: 0.113
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 12.24
Transient MWEBV processed 0.05
Host match processed 5.44
Host information processed 0.13
Host MWEBV processed 0.06
Global aperture construction processed 2.74
Global aperture photometry processed 5.2
Validate global photometry processed 13.92
Global host SED inference processed 566.56
Local aperture photometry processed 5.85
Validate local photometry processed 0.02
Local host SED inference not enough filters 22.08
 

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) = 2h38m17.53s, 24d14m22.64s
semi major axis, semi minor axis (arcsec) = 0.97, 0.97
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 10.16 0.58 21.383 0.062 AB

Aperture details

RA, DEC (J2000) = 2h38m17.54s, 24d14m22.12s
semi major axis, semi minor axis (arcsec) = 5.79, 2.26
angle (degrees, anti-clockwise from east) = -168.91

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.82 0.98 23.250 0.586 AB
GALEX_NUV 6.53 1.76 21.862 0.292 AB
DES_g 17.83 0.25 20.772 0.015 AB
PanSTARRS_g 15.83 0.81 20.902 0.056 AB
PanSTARRS_r 27.57 1.18 20.299 0.047 AB
DES_r 29.38 0.54 20.230 0.020 AB
PanSTARRS_i 39.55 1.24 19.907 0.034 AB
PanSTARRS_z 38.6 2.37 19.934 0.067 AB
DES_z 39.74 1.31 19.902 0.036 AB
PanSTARRS_y 27.69 5.11 20.294 0.200 AB
2MASS_J 100.82 97.28 17.996 1.048 Vega
2MASS_H 78.85 139.92 17.790 1.926 Vega
2MASS_K -22.42 167.56 Vega
WISE_W1 -1.16 13.09 Vega
WISE_W2 -9.99 11.78 Vega
WISE_W3 -62.78 69.49 Vega
WISE_W4 -597.75 460.85 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.138 9.280 9.414
{\rm log}_{10}({\rm SFR}) -0.543 -0.199 0.283
{\rm log}_{10}({\rm sSFR}) -9.801 -9.456 -9.011
{\rm stellar\ age} 5.002 6.653 8.291

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.650 -1.194 -0.597
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.535 -0.046 0.287

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.075 0.260 0.777
\delta -0.151 0.240 0.368
\tau_1/\tau_2 0.776 1.161 1.561
Q_{PAH} 1.573 3.340 5.269
U_{min} 3.225 8.355 15.437
{\rm log}_{10}(\gamma_e)\, -2.970 -1.817 -0.740

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.063 -0.708 -0.270
{\rm log}_{10}(\tau_{AGN})\, 1.024 1.370 1.752

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.705 -0.489 -0.124
0.03-0.10 Gyr -0.549 -0.113 0.381
0.10-0.32 Gyr -1.066 -0.558 -0.144
0.32-1.05 Gyr -1.409 -0.879 -0.525
1.05-3.41 Gyr -1.357 -0.845 -0.553
3.41-11.06 Gyr -1.060 -0.662 -0.464
11.06-12.29 Gyr -1.091 -0.452 0.122