2025acnp results

Information

Transient
Name:AT2025acnp
Right ascension: 0h40m03.23s
Declination:23d48m49.50s
Discovery Date:Oct. 30, 2025, 4:44 a.m.
Classification:None
Redshift:None
MW E(B-V):0.026
Host
Name:1694171
Right ascension: 0h40m03.21s
Declination:23d48m41.97s
Redshift:0.083889
Photometric Redshift:None
 

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 18.5
Transient MWEBV processed 0.04
Host match processed 4.48
Host information processed 0.19
Host MWEBV processed 0.06
Global aperture construction processed 0.63
Global aperture photometry processed 7.1
Validate global photometry processed 18.25
Global host SED inference processed 560.03
Local aperture photometry processed 6.94
Validate local photometry processed 0.03
Local host SED inference processed 414.08
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):0h40m03.23s, 23d48m49.50s
semi major axis, semi minor axis (arcsec):1.27, 1.27
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 8.53 0.17 21.572 0.021 AB
PanSTARRS_r 21.46 0.34 20.571 0.017 AB
DES_r 21.03 0.45 20.593 0.023 AB
SDSS_i 31.23 1.81 20.163 0.063 AB
PanSTARRS_i 32.86 0.43 20.108 0.014 AB
PanSTARRS_z 41.34 0.86 19.859 0.022 AB
DES_z 41.99 1.44 19.842 0.037 AB
PanSTARRS_y 55.86 2.11 19.532 0.041 AB

Aperture details

RA, DEC (J2000):0h40m03.19s, 23d48m42.47s
semi major axis, semi minor axis (arcsec):18.32, 11.64
angle (degrees, anti-clockwise from east):-114.99
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 22.59 2.85 20.515 0.137 AB
GALEX_NUV 23.68 2.67 20.464 0.123 AB
SDSS_u 472.41 13.73 17.214 0.032 AB
SDSS_g 1705.36 12.0 15.820 0.008 AB
DES_g 1912.6 2.32 15.696 0.001 AB
PanSTARRS_g 1911.4 3.49 15.697 0.002 AB
SDSS_r 4229.98 18.11 14.834 0.005 AB
PanSTARRS_r 4249.98 3.91 14.829 0.001 AB
DES_r 4682.28 6.47 14.724 0.002 AB
SDSS_i 6452.1 24.24 14.376 0.004 AB
PanSTARRS_z 8448.71 9.89 14.083 0.001 AB
SDSS_z 8459.48 46.46 14.082 0.006 AB
DES_z 9068.06 21.02 14.006 0.003 AB
PanSTARRS_y 10414.66 24.1 13.856 0.003 AB
2MASS_K 16022.79 699.97 11.550 0.047 Vega
WISE_W2 4043.94 53.04 11.544 0.014 Vega
WISE_W4 338.45 779.02 10.956 2.499 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.285 9.399 9.533
{\rm log}_{10}({\rm SFR}) -1.776 -1.214 -0.731
{\rm log}_{10}({\rm sSFR}) -11.137 -10.584 -10.124
{\rm stellar\ age} 6.775 7.870 11.391

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.134 -0.573 -0.157
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.277 -0.758 -0.231

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.633 1.069 1.481
\delta -0.250 0.004 0.235
\tau_1/\tau_2 0.591 0.947 1.288
Q_{PAH} 0.837 2.760 5.506
U_{min} 3.212 8.300 15.299
{\rm log}_{10}(\gamma_e)\, -2.991 -1.949 -0.722

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.221 -0.641 -0.059
{\rm log}_{10}(\tau_{AGN})\, 1.103 1.491 1.894

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.757 -1.072 -0.556
0.03-0.10 Gyr -2.333 -1.412 -0.828
0.10-0.33 Gyr -2.998 -1.621 -0.975
0.33-1.07 Gyr -3.561 -1.636 -0.942
1.07-3.49 Gyr -3.186 -1.226 -0.591
3.49-11.39 Gyr -1.300 -0.511 -0.308
11.39-12.65 Gyr -0.918 -0.211 0.558

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.608 11.683 11.722
{\rm log}_{10}({\rm SFR}) -0.932 -0.342 0.129
{\rm log}_{10}({\rm sSFR}) -12.581 -12.014 -11.538
{\rm stellar\ age} 9.103 11.887 12.014

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.798 -0.544 -0.368
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.187 0.150 0.403

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.243 0.365 0.548
\delta -0.205 -0.009 0.178
\tau_1/\tau_2 0.517 0.949 1.427
Q_{PAH} 0.485 1.739 4.659
U_{min} 2.958 9.213 17.548
{\rm log}_{10}(\gamma_e)\, -2.737 -1.626 -0.896

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.671 -3.960 -2.995
{\rm log}_{10}(\tau_{AGN})\, 1.173 1.712 2.037

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.945 -0.572 -0.012
0.03-0.10 Gyr -1.883 -0.407 0.179
0.10-0.33 Gyr -3.128 -0.871 -0.009
0.33-1.07 Gyr -4.287 -1.534 -0.272
1.07-3.49 Gyr -3.275 -1.182 0.134
3.49-11.39 Gyr -1.313 0.310 1.745
11.39-12.65 Gyr 2.323 2.823 2.869