2025acg results

Information

Transient
Name:AT2025acg
Right ascension: 12h40m53.15s
Declination:18d10m23.22s
Discovery Date:Jan. 18, 2025, 12:35 p.m.
Classification:None
Redshift:None
MW E(B-V):0.016
Host
Name:2025acg
Right ascension: 12h40m52.99s
Declination:18d10m03.34s
Redshift:0.088366
Photometric Redshift:0.081
 

Cutout Download Report

Downloaded Unavailable
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_z
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 18.67
Transient MWEBV processed 0.05
Host match processed 2.01
Host information processed 0.08
Host MWEBV processed 0.05
Global aperture construction processed 0.57
Global aperture photometry processed 6.05
Validate global photometry processed 16.36
Global host SED inference processed 406.54
Local aperture photometry processed 5.97
Validate local photometry processed 0.03
Local host SED inference processed 857.22
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h40m53.15s, 18d10m23.22s
semi major axis, semi minor axis (arcsec):1.21, 1.21
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 1.7 0.11 23.326 0.069 AB
PanSTARRS_r 2.05 0.36 23.119 0.192 AB
DES_r 2.65 0.2 22.842 0.083 AB
PanSTARRS_i 1.74 0.36 23.296 0.227 AB
PanSTARRS_z 2.6 0.69 22.861 0.288 AB
DES_z 3.28 0.53 22.610 0.175 AB
PanSTARRS_y 6.72 1.49 21.831 0.241 AB

Aperture details

RA, DEC (J2000):12h40m52.99s, 18d10m03.41s
semi major axis, semi minor axis (arcsec):5.03, 4.88
angle (degrees, anti-clockwise from east):-171.24
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.08 1.43 23.103 0.747 AB
GALEX_NUV 1.04 0.57 23.861 0.600 AB
SDSS_u 13.29 3.94 21.091 0.322 AB
SDSS_g 198.78 3.91 18.154 0.021 AB
DES_g 218.21 0.79 18.053 0.004 AB
PanSTARRS_g 219.02 1.13 18.049 0.006 AB
SDSS_r 446.63 5.89 17.275 0.014 AB
PanSTARRS_r 429.82 1.5 17.317 0.004 AB
DES_r 486.41 1.76 17.182 0.004 AB
SDSS_i 646.14 7.65 16.874 0.013 AB
PanSTARRS_i 623.79 1.49 16.912 0.003 AB
PanSTARRS_z 786.49 2.73 16.661 0.004 AB
SDSS_z 824.99 15.78 16.609 0.021 AB
DES_z 841.4 5.62 16.587 0.007 AB
PanSTARRS_y 901.99 5.77 16.512 0.007 AB
2MASS_H 1035.87 260.48 14.994 0.273 Vega
WISE_W1 524.34 16.17 14.402 0.033 Vega
WISE_W2 312.95 22.8 14.322 0.079 Vega
WISE_W3 48.41 95.51 14.514 2.142 Vega
WISE_W4 992.69 501.08 9.788 0.548 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.160 7.534 7.881
{\rm log}_{10}({\rm SFR}) -1.240 -0.975 -0.566
{\rm log}_{10}({\rm sSFR}) -8.993 -8.399 -7.960
{\rm stellar\ age} 0.058 1.197 5.280

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.968 -0.162 0.111
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.156 -0.590 -0.065

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.883 1.181 1.798
\delta 0.010 0.196 0.317
\tau_1/\tau_2 0.833 1.288 1.746
Q_{PAH} 1.298 3.413 5.727
U_{min} 3.531 9.330 17.461
{\rm log}_{10}(\gamma_e)\, -2.774 -1.404 -0.388

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -0.876 0.076 0.387
{\rm log}_{10}(\tau_{AGN})\, 0.975 1.352 1.891

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.176 -0.876 -0.426
0.03-0.10 Gyr -2.552 -1.147 -0.626
0.10-0.33 Gyr -4.033 -1.910 -1.202
0.33-1.06 Gyr -5.862 -2.653 -1.749
1.06-3.47 Gyr -7.485 -3.498 -2.174
3.47-11.34 Gyr -8.255 -3.647 -2.249
11.34-12.60 Gyr -8.667 -3.577 -2.171

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.226 10.383 10.508
{\rm log}_{10}({\rm SFR}) -3.237 -1.027 -0.389
{\rm log}_{10}({\rm sSFR}) -13.493 -11.398 -10.775
{\rm stellar\ age} 2.482 6.412 8.450

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.565 -1.125 -0.854
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.549 -0.710 0.065

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.443 0.637 0.880
\delta -0.866 -0.706 -0.524
\tau_1/\tau_2 0.554 0.973 1.375
Q_{PAH} 0.684 1.876 3.824
U_{min} 2.656 8.259 15.947
{\rm log}_{10}(\gamma_e)\, -3.265 -2.251 -1.378

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.267 -3.192 -2.160
{\rm log}_{10}(\tau_{AGN})\, 1.063 1.545 1.936

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.179 -1.077 -0.407
0.03-0.10 Gyr -4.501 -1.310 -0.363
0.10-0.33 Gyr -3.067 -0.968 -0.034
0.33-1.06 Gyr -1.255 0.145 0.893
1.06-3.47 Gyr -0.816 0.468 0.924
3.47-11.34 Gyr -1.614 0.345 0.694
11.34-12.60 Gyr -2.022 0.347 1.205