2025actb

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Information

Transient

Name: AT2025actb
Right ascension: 10h31m35.76s
Declination: 32d03m00.19s
Discovery Date: Nov. 6, 2025, 12:16 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.016

Host

Name:
Right ascension: 10h31m35.82s
Declination: 32d02m59.32s
Redshift: None
Photometric Redshift: 0.169
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.5
Transient MWEBV processed 0.1
Host match processed 5.67
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.63
Global aperture photometry processed 6.63
Validate global photometry processed 17.76
Global host SED inference processed 442.87
Local aperture photometry processed 6.55
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) = 10h31m35.76s, 32d03m00.19s
semi major axis, semi minor axis (arcsec) = 0.69, 0.69
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) = 10h31m35.81s, 32d02m59.46s
semi major axis, semi minor axis (arcsec) = 4.53, 4.02
angle (degrees, anti-clockwise from east) = -129.79

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 6.04 0.49 21.947 0.088 AB
SDSS_u 25.76 3.91 20.373 0.165 AB
SDSS_g 77.46 2.58 19.177 0.036 AB
DES_g 81.34 0.73 19.124 0.010 AB
PanSTARRS_g 85.67 1.49 19.068 0.019 AB
SDSS_r 187.21 4.11 18.219 0.024 AB
PanSTARRS_r 169.49 1.24 18.327 0.008 AB
DES_r 193.83 1.85 18.181 0.010 AB
SDSS_i 257.3 5.4 17.874 0.023 AB
PanSTARRS_i 260.04 1.48 17.862 0.006 AB
PanSTARRS_z 296.87 2.86 17.719 0.010 AB
SDSS_z 263.8 18.13 17.847 0.075 AB
DES_z 349.29 7.66 17.542 0.024 AB
PanSTARRS_y 378.35 7.41 17.455 0.021 AB
2MASS_J 274.21 102.53 16.910 0.406 Vega
2MASS_H 161.62 165.63 17.011 1.113 Vega
2MASS_K 578.43 152.71 15.157 0.287 Vega
WISE_W1 188.64 10.26 15.512 0.059 Vega
WISE_W2 149.13 14.73 15.127 0.107 Vega
WISE_W3 118.59 70.44 13.541 0.645 Vega
WISE_W4 -179.92 480.4 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})\, 10.574 10.619 10.670
{\rm log}_{10}({\rm SFR}) 0.058 0.370 0.667
{\rm log}_{10}({\rm sSFR}) -10.566 -10.243 -9.943
{\rm stellar\ age} 6.554 7.129 8.743

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.891 -0.672 -0.515
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.329 -0.073 0.172

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.194 0.279 0.403
\delta -0.930 -0.762 -0.521
\tau_1/\tau_2 0.852 1.209 1.573
Q_{PAH} 0.604 2.231 4.507
U_{min} 2.475 7.558 14.472
{\rm log}_{10}(\gamma_e)\, -2.747 -1.768 -0.809

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.233 -2.980 -1.867
{\rm log}_{10}(\tau_{AGN})\, 1.062 1.511 1.873

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.041 0.251 0.426
0.03-0.10 Gyr 0.015 0.420 0.762
0.10-0.32 Gyr -0.357 0.127 0.454
0.32-1.02 Gyr -0.454 -0.007 0.291
1.02-3.28 Gyr -0.269 0.259 0.556
3.28-10.48 Gyr 0.629 0.834 0.928
10.48-11.64 Gyr 0.551 0.998 1.566