2025udw

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Information

Transient

Name: AT2025udw
Right ascension: 23h03m34.75s
Declination: 1d19m32.28s
Discovery Date: Aug. 16, 2025, 8:51 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.053

Host

Name:
Right ascension: 23h03m34.75s
Declination: 1d19m31.56s
Redshift: None
Photometric Redshift: 0.147
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 23.42
Transient MWEBV processed 0.05
Host match processed 7.1
Host information processed 0.14
Host MWEBV processed 0.05
Global aperture construction processed 2.91
Global aperture photometry processed 6.45
Validate global photometry processed 17.71
Global host SED inference processed 454.08
Local aperture photometry processed 7.05
Validate local photometry no valid phot 0.02
Local host SED inference not 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) = 23h03m34.75s, 1d19m32.28s
semi major axis, semi minor axis (arcsec) = 0.78, 0.78
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 23h03m34.73s, 1d19m32.75s
semi major axis, semi minor axis (arcsec) = 3.7, 1.64
angle (degrees, anti-clockwise from east) = -50.18

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.36 0.43 23.568 0.345 AB
GALEX_NUV 1.05 0.44 23.849 0.455 AB
SDSS_u 7.92 2.21 21.653 0.303 AB
SDSS_g 4.84 1.18 22.189 0.264 AB
DES_g 5.09 0.13 22.132 0.027 AB
PanSTARRS_g 7.56 0.62 21.704 0.090 AB
SDSS_r 11.96 1.44 21.206 0.131 AB
PanSTARRS_r 8.26 0.66 21.608 0.087 AB
DES_r 7.91 0.19 21.654 0.026 AB
SDSS_i 9.47 1.86 21.459 0.213 AB
PanSTARRS_i 12.04 0.52 21.198 0.047 AB
PanSTARRS_z 8.94 1.65 21.521 0.201 AB
SDSS_z 16.56 6.54 20.852 0.429 AB
DES_z 9.08 0.53 21.505 0.063 AB
PanSTARRS_y 1.25 4.64 23.657 4.024 AB
2MASS_J -66.16 85.17 Vega
2MASS_H -11.62 134.61 Vega
2MASS_K -23.39 140.34 Vega
WISE_W1 10.23 7.49 18.676 0.795 Vega
WISE_W2 4.55 10.14 18.915 2.418 Vega
WISE_W3 -15.85 63.84 Vega
WISE_W4 71.67 381.18 12.642 5.774 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

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})\, 8.090 8.422 8.707
{\rm log}_{10}({\rm SFR}) -0.730 -0.412 -0.107
{\rm log}_{10}({\rm sSFR}) -9.336 -8.795 -8.224
{\rm stellar\ age} 0.430 3.065 5.482

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.242 -0.502 -0.023
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.697 -1.368 -0.134

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.245 0.436 0.794
\delta -0.557 -0.117 0.193
\tau_1/\tau_2 0.692 1.079 1.508
Q_{PAH} 1.216 3.105 5.129
U_{min} 3.059 8.317 15.787
{\rm log}_{10}(\gamma_e)\, -2.896 -1.889 -0.784

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.135 -0.513 0.000
{\rm log}_{10}(\tau_{AGN})\, 1.022 1.389 1.734

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.604 -0.329 -0.035
0.03-0.10 Gyr -0.992 -0.491 -0.094
0.10-0.32 Gyr -1.467 -0.710 -0.280
0.32-1.03 Gyr -2.894 -1.360 -0.756
1.03-3.33 Gyr -3.645 -1.746 -1.153
3.33-10.70 Gyr -3.965 -1.943 -1.302
10.70-11.89 Gyr -3.952 -1.975 -1.180