2025acdh

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Information

Transient

Name: AT2025acdh
Right ascension: 8h36m52.03s
Declination: 42d00m06.67s
Discovery Date: Oct. 27, 2025, 11:24 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.024

Host

Name: SDSSJ083651.90+42000
Right ascension: 8h36m51.84s
Declination: 42d00m06.19s
Redshift: None
Photometric Redshift: 0.131
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.8
Transient MWEBV processed 0.06
Host match processed 4.62
Host information processed 0.06
Host MWEBV processed 0.07
Global aperture construction processed 0.61
Global aperture photometry processed 4.95
Validate global photometry processed 14.38
Global host SED inference processed 400.84
Local aperture photometry processed 4.99
Validate local photometry no valid phot 0.03
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) = 8h36m52.03s, 42d00m06.67s
semi major axis, semi minor axis (arcsec) = 0.86, 0.86
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) = 8h36m51.88s, 42d00m06.24s
semi major axis, semi minor axis (arcsec) = 7.63, 5.53
angle (degrees, anti-clockwise from east) = -124.09

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 13.22 2.65 21.097 0.217 AB
GALEX_NUV 28.83 2.05 20.250 0.077 AB
SDSS_u 69.28 6.04 19.299 0.095 AB
SDSS_g 156.25 3.74 18.415 0.026 AB
PanSTARRS_g 168.31 1.59 18.335 0.010 AB
SDSS_r 267.01 5.1 17.834 0.021 AB
PanSTARRS_r 274.11 1.83 17.805 0.007 AB
SDSS_i 375.89 6.79 17.462 0.020 AB
PanSTARRS_i 360.15 1.44 17.509 0.004 AB
PanSTARRS_z 415.79 4.12 17.353 0.011 AB
SDSS_z 385.32 24.99 17.435 0.070 AB
PanSTARRS_y 421.91 12.66 17.337 0.033 AB
2MASS_J 552.41 166.89 16.149 0.328 Vega
2MASS_H 625.67 266.69 15.542 0.463 Vega
2MASS_K 458.07 232.14 15.410 0.550 Vega
WISE_W1 285.19 11.88 15.063 0.045 Vega
WISE_W2 203.64 17.72 14.789 0.094 Vega
WISE_W3 728.42 78.57 11.570 0.117 Vega
WISE_W4 957.26 533.28 9.827 0.605 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})\, 10.245 10.338 10.437
{\rm log}_{10}({\rm SFR}) 0.429 0.754 1.060
{\rm log}_{10}({\rm sSFR}) -9.908 -9.595 -9.268
{\rm stellar\ age} 5.447 6.522 7.851

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.049 -0.719 -0.452
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.780 -1.118 0.168

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.171 0.278 0.439
\delta -0.760 -0.451 -0.182
\tau_1/\tau_2 0.704 1.064 1.430
Q_{PAH} 0.490 1.268 2.606
U_{min} 2.562 7.350 14.545
{\rm log}_{10}(\gamma_e)\, -3.133 -2.299 -1.490

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.872 -2.344 -1.664
{\rm log}_{10}(\tau_{AGN})\, 0.948 1.294 1.742

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.056 0.241 0.439
0.03-0.10 Gyr 0.509 0.872 1.198
0.10-0.32 Gyr 0.012 0.582 0.870
0.32-1.04 Gyr -0.482 0.181 0.508
1.04-3.37 Gyr -0.214 0.287 0.538
3.37-10.88 Gyr 0.170 0.444 0.607
10.88-12.09 Gyr 0.034 0.566 1.100