2025ymd

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Information

Transient

Name: AT2025ymd
Right ascension: 8h55m18.26s
Declination: 53d38m12.88s
Discovery Date: Sept. 23, 2025, 2:22 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.017

Host

Name:
Right ascension: 8h55m18.30s
Declination: 53d38m12.82s
Redshift: None
Photometric Redshift: 0.075
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.06
Transient MWEBV processed 0.05
Host match processed 5.0
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 5.08
Validate global photometry processed 14.94
Global host SED inference processed 439.71
Local aperture photometry failed 0.03
Validate local photometry not processed None
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) = 8h55m18.26s, 53d38m12.88s
semi major axis, semi minor axis (arcsec) = 1.41, 1.41
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) = 8h55m18.30s, 53d38m13.07s
semi major axis, semi minor axis (arcsec) = 5.68, 4.12
angle (degrees, anti-clockwise from east) = -76.27

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 8.86 3.19 21.532 0.390 AB
GALEX_NUV 23.23 3.38 20.485 0.158 AB
SDSS_u 73.85 3.69 19.229 0.054 AB
SDSS_g 174.1 3.64 18.298 0.023 AB
PanSTARRS_g 175.66 1.11 18.288 0.007 AB
SDSS_r 275.38 4.72 17.800 0.019 AB
PanSTARRS_r 286.92 1.42 17.756 0.005 AB
SDSS_i 383.77 6.0 17.440 0.017 AB
PanSTARRS_i 386.61 1.26 17.432 0.004 AB
PanSTARRS_z 439.26 4.38 17.293 0.011 AB
SDSS_z 429.18 18.41 17.318 0.047 AB
PanSTARRS_y 509.55 8.01 17.132 0.017 AB
2MASS_J 641.06 139.23 15.988 0.236 Vega
2MASS_H 720.87 231.81 15.388 0.349 Vega
2MASS_K 876.38 226.18 14.705 0.280 Vega
WISE_W1 316.27 11.85 14.951 0.041 Vega
WISE_W2 194.12 14.05 14.841 0.079 Vega
WISE_W3 482.77 72.54 12.017 0.163 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})\, 9.883 9.959 10.021
{\rm log}_{10}({\rm SFR}) -0.418 -0.077 0.377
{\rm log}_{10}({\rm sSFR}) -10.384 -10.026 -9.551
{\rm stellar\ age} 6.412 7.223 8.453

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.600 -0.391 -0.249
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.091 0.294 0.426

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.079 0.179 0.341
\delta -0.812 -0.412 0.115
\tau_1/\tau_2 0.679 1.020 1.365
Q_{PAH} 0.809 2.053 4.205
U_{min} 2.494 7.216 13.857
{\rm log}_{10}(\gamma_e)\, -2.800 -1.762 -0.755

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.818 -2.474 -1.733
{\rm log}_{10}(\tau_{AGN})\, 0.987 1.379 1.825

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.578 -0.423 -0.280
0.03-0.10 Gyr -0.415 0.021 0.516
0.10-0.33 Gyr -0.631 -0.239 0.086
0.33-1.07 Gyr -0.818 -0.381 -0.128
1.07-3.51 Gyr -0.607 -0.168 0.083
3.51-11.49 Gyr -0.124 0.089 0.207
11.49-12.77 Gyr -0.289 0.194 0.652