2025affn results

Information

Transient
Name:AT2025affn
Right ascension: 7h43m17.79s
Declination:45d29m43.78s
Discovery Date:Nov. 28, 2025, 5:04 a.m.
Classification:None
Redshift:None
MW E(B-V):0.045
Host
Name:
Right ascension: 7h43m17.53s
Declination:45d29m46.52s
Redshift:None
Photometric Redshift:0.149
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
GALEX_NUV
GALEX_FUV
DES_g
DES_r
DES_i
DES_z
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 15.28
Transient MWEBV processed 0.04
Host match processed 5.7
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 5.0
Validate global photometry processed 13.55
Global host SED inference processed 474.57
Local aperture photometry processed 5.41
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):7h43m17.52s, 45d29m46.73s
semi major axis, semi minor axis (arcsec):4.65, 4.0
angle (degrees, anti-clockwise from east):-45.34
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 11.03 3.32 21.293 0.327 AB
SDSS_g 76.93 2.59 19.185 0.037 AB
PanSTARRS_g 92.76 1.06 18.982 0.012 AB
SDSS_r 206.32 4.32 18.114 0.023 AB
PanSTARRS_r 223.77 1.4 18.026 0.007 AB
SDSS_i 324.72 5.99 17.621 0.020 AB
PanSTARRS_i 323.13 1.17 17.627 0.004 AB
PanSTARRS_z 409.71 3.21 17.369 0.009 AB
SDSS_z 429.93 14.31 17.317 0.036 AB
PanSTARRS_y 510.02 8.85 17.131 0.019 AB
2MASS_J 747.38 111.43 15.821 0.162 Vega
2MASS_H 792.08 166.61 15.285 0.228 Vega
2MASS_K 809.91 184.89 14.791 0.248 Vega
WISE_W1 275.3 12.87 15.101 0.051 Vega
WISE_W2 169.38 15.71 14.989 0.101 Vega
WISE_W3 12.4 65.0 15.992 5.690 Vega
WISE_W4 176.42 387.53 11.664 2.385 Vega
 

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})\, 10.537 10.675 10.774
{\rm log}_{10}({\rm SFR}) -1.552 -0.251 0.323
{\rm log}_{10}({\rm sSFR}) -12.312 -10.945 -10.299
{\rm stellar\ age} 5.667 7.030 10.142

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.317 -0.994 -0.760
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.393 -0.458 0.125

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.322 0.466 0.654
\delta -0.947 -0.834 -0.645
\tau_1/\tau_2 0.615 1.036 1.449
Q_{PAH} 0.603 2.223 4.444
U_{min} 3.469 9.614 16.770
{\rm log}_{10}(\gamma_e)\, -2.635 -1.558 -0.657

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.330 -3.140 -2.006
{\rm log}_{10}(\tau_{AGN})\, 1.074 1.555 1.915

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.229 -0.429 0.088
0.03-0.10 Gyr -2.169 -0.253 0.429
0.10-0.32 Gyr -1.893 -0.135 0.574
0.32-1.03 Gyr -2.067 -0.083 0.641
1.03-3.32 Gyr -1.357 0.331 0.815
3.32-10.69 Gyr -0.258 0.810 0.997
10.69-11.88 Gyr -0.075 0.914 1.857