2025actm

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Information

Transient

Name: AT2025actm
Right ascension: 8h38m13.61s
Declination: 14d54m39.67s
Discovery Date: Nov. 7, 2025, 2:53 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.032

Host

Name: 1470272
Right ascension: 8h38m13.54s
Declination: 14d54m37.74s
Redshift: 0.068900
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.31
Transient MWEBV processed 0.04
Host match processed 4.96
Host information processed 0.09
Host MWEBV processed 0.04
Global aperture construction processed 0.61
Global aperture photometry processed 5.83
Validate global photometry processed 14.9
Global host SED inference processed 380.23
Local aperture photometry processed 5.18
Validate local photometry processed 0.02
Local host SED inference processed 431.34
 

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) = 8h38m13.61s, 14d54m39.67s
semi major axis, semi minor axis (arcsec) = 1.52, 1.52
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 102.97 2.66 18.868 0.028 AB
PanSTARRS_g 111.22 0.45 18.785 0.004 AB
SDSS_r 171.66 3.46 18.313 0.022 AB
PanSTARRS_r 190.79 0.46 18.199 0.003 AB
SDSS_i 255.68 4.29 17.881 0.018 AB
PanSTARRS_i 274.85 0.69 17.802 0.003 AB
PanSTARRS_z 317.64 1.35 17.645 0.005 AB
SDSS_z 313.37 6.79 17.660 0.024 AB
PanSTARRS_y 380.6 3.84 17.449 0.011 AB

Aperture details

RA, DEC (J2000) = 8h38m13.57s, 14d54m37.95s
semi major axis, semi minor axis (arcsec) = 9.96, 6.99
angle (degrees, anti-clockwise from east) = -5.48

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 63.09 8.0 19.400 0.138 AB
GALEX_NUV 97.54 5.97 18.927 0.066 AB
SDSS_u 277.71 7.82 17.791 0.031 AB
SDSS_g 750.62 7.46 16.711 0.011 AB
PanSTARRS_g 781.78 2.16 16.667 0.003 AB
SDSS_r 1249.31 9.82 16.158 0.009 AB
PanSTARRS_r 1290.28 2.17 16.123 0.002 AB
SDSS_i 1834.28 12.64 15.741 0.007 AB
PanSTARRS_i 1835.56 3.33 15.741 0.002 AB
PanSTARRS_z 2047.95 7.14 15.622 0.004 AB
SDSS_z 2280.19 30.26 15.505 0.014 AB
PanSTARRS_y 2508.45 20.73 15.401 0.009 AB
2MASS_J 2855.07 197.57 14.366 0.075 Vega
2MASS_H 3940.06 264.34 13.544 0.073 Vega
2MASS_K 3708.86 329.95 13.139 0.097 Vega
WISE_W1 1940.37 31.39 12.981 0.018 Vega
WISE_W2 1326.38 37.25 12.754 0.030 Vega
WISE_W3 7489.5 184.51 9.040 0.027 Vega
WISE_W4 8573.4 1247.0 7.447 0.158 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})\, 9.637 9.829 9.944
{\rm log}_{10}({\rm SFR}) -0.908 -0.363 0.322
{\rm log}_{10}({\rm sSFR}) -10.779 -10.198 -9.451
{\rm stellar\ age} 4.449 6.860 8.411

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.489 -0.795 -0.347
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.256 -0.123 0.232

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.285 0.701 1.175
\delta -0.653 -0.225 0.122
\tau_1/\tau_2 0.674 1.030 1.403
Q_{PAH} 0.716 2.318 4.892
U_{min} 2.618 7.429 14.728
{\rm log}_{10}(\gamma_e)\, -3.209 -1.659 -0.716

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.703 -1.821 -0.528
{\rm log}_{10}(\tau_{AGN})\, 0.950 1.473 2.002

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.816 -0.446 -0.118
0.03-0.10 Gyr -1.127 -0.355 0.432
0.10-0.33 Gyr -1.135 -0.278 0.352
0.33-1.08 Gyr -1.153 -0.342 0.094
1.08-3.53 Gyr -1.017 -0.277 0.036
3.53-11.56 Gyr -0.687 -0.118 0.103
11.56-12.84 Gyr -0.819 -0.045 0.533

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.511 10.586 10.649
{\rm log}_{10}({\rm SFR}) 0.695 0.932 1.184
{\rm log}_{10}({\rm sSFR}) -9.922 -9.660 -9.380
{\rm stellar\ age} 6.533 7.382 8.685

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.380 -0.209 -0.076
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.168 0.288 0.390

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.202 0.321 0.511
\delta -0.667 -0.415 -0.235
\tau_1/\tau_2 0.787 1.109 1.449
Q_{PAH} 1.395 2.617 4.165
U_{min} 2.447 6.425 13.164
{\rm log}_{10}(\gamma_e)\, -3.128 -2.103 -1.373

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.979 -1.977 -1.477
{\rm log}_{10}(\tau_{AGN})\, 1.122 1.562 1.891

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.346 0.478 0.608
0.03-0.10 Gyr 0.781 1.053 1.320
0.10-0.33 Gyr -0.123 0.399 0.712
0.33-1.08 Gyr -0.268 0.190 0.445
1.08-3.53 Gyr -0.065 0.394 0.655
3.53-11.56 Gyr 0.484 0.710 0.831
11.56-12.84 Gyr 0.382 0.844 1.356