2025acus

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Information

Transient

Name: AT2025acus
Right ascension: 8h58m50.12s
Declination: 69d54m14.57s
Discovery Date: Nov. 9, 2025, 10:54 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.030

Host

Name:
Right ascension: 8h58m50.13s
Declination: 69d54m14.61s
Redshift: None
Photometric Redshift: 0.074
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 5.8
Transient MWEBV processed 0.08
Host match processed 6.36
Host information processed 0.23
Host MWEBV processed 0.05
Global aperture construction processed 2.81
Global aperture photometry processed 3.96
Validate global photometry processed 11.25
Global host SED inference processed 476.8
Local aperture photometry processed 3.91
Validate local photometry processed 0.02
Local host SED inference processed 474.83
 

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) = 8h58m50.12s, 69d54m14.57s
semi major axis, semi minor axis (arcsec) = 1.43, 1.43
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 7.01 0.41 21.786 0.063 AB
PanSTARRS_r 10.26 0.53 21.372 0.056 AB
PanSTARRS_i 10.38 0.46 21.360 0.048 AB
PanSTARRS_z 11.51 1.01 21.248 0.096 AB
PanSTARRS_y 10.02 3.09 21.398 0.335 AB

Aperture details

RA, DEC (J2000) = 8h58m50.08s, 69d54m14.76s
semi major axis, semi minor axis (arcsec) = 5.11, 2.65
angle (degrees, anti-clockwise from east) = -46.08

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.72 1.35 22.214 0.310 AB
GALEX_NUV 3.07 0.45 22.681 0.158 AB
PanSTARRS_g 14.21 1.04 21.018 0.080 AB
PanSTARRS_r 17.56 1.34 20.789 0.083 AB
PanSTARRS_i 20.97 1.17 20.596 0.060 AB
PanSTARRS_z 20.72 2.55 20.609 0.133 AB
PanSTARRS_y 13.64 7.73 21.063 0.616 AB
2MASS_J 217.52 139.01 17.161 0.694 Vega
2MASS_H -17.97 182.94 Vega
2MASS_K -293.77 209.32 Vega
WISE_W1 7.23 7.83 19.054 1.176 Vega
WISE_W2 -22.9 10.27 Vega
WISE_W3 22.11 43.65 15.365 2.144 Vega
WISE_W4 56.13 302.88 12.907 5.859 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.892 8.138 8.341
{\rm log}_{10}({\rm SFR}) -2.331 -1.439 -0.519
{\rm log}_{10}({\rm sSFR}) -10.400 -9.547 -8.489
{\rm stellar\ age} 0.656 4.157 6.504

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.707 -1.196 -0.459
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.703 -1.044 0.075

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.158 0.433 1.017
\delta -0.649 -0.149 0.200
\tau_1/\tau_2 0.625 1.047 1.460
Q_{PAH} 1.396 3.118 5.257
U_{min} 3.325 8.823 16.120
{\rm log}_{10}(\gamma_e)\, -2.870 -1.850 -0.761

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.237 -0.116 0.214
{\rm log}_{10}(\tau_{AGN})\, 0.965 1.503 1.952

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.941 -1.801 -1.101
0.03-0.10 Gyr -2.538 -1.415 -0.376
0.10-0.33 Gyr -2.497 -1.458 -0.776
0.33-1.07 Gyr -3.284 -1.550 -1.060
1.07-3.51 Gyr -3.949 -1.857 -1.450
3.51-11.50 Gyr -4.683 -2.133 -1.618
11.50-12.78 Gyr -4.424 -2.139 -1.441

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.183 8.441 8.615
{\rm log}_{10}({\rm SFR}) -1.372 -0.892 -0.438
{\rm log}_{10}({\rm sSFR}) -9.869 -9.322 -8.695
{\rm stellar\ age} 1.850 5.174 6.989

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.581 -0.978 -0.253
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.451 -0.621 0.079

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.102 0.421 0.951
\delta -0.191 0.184 0.338
\tau_1/\tau_2 0.722 1.129 1.536
Q_{PAH} 1.397 3.564 5.598
U_{min} 3.290 8.514 16.095
{\rm log}_{10}(\gamma_e)\, -2.824 -1.623 -0.515

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.656 -0.430 0.086
{\rm log}_{10}(\tau_{AGN})\, 1.138 1.529 1.897

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.610 -1.154 -0.700
0.03-0.10 Gyr -1.395 -0.846 -0.339
0.10-0.33 Gyr -1.547 -1.016 -0.536
0.33-1.07 Gyr -2.097 -1.368 -0.984
1.07-3.51 Gyr -2.420 -1.540 -1.236
3.51-11.50 Gyr -2.714 -1.635 -1.307
11.50-12.78 Gyr -2.902 -1.645 -1.061