2025ulp results

Information

Transient
Name:AT2025ulp
Right ascension: 23h02m39.19s
Declination:-28d59m20.62s
Discovery Date:Aug. 16, 2025, 8:56 a.m.
Classification:None
Redshift:None
MW E(B-V):0.026
Host
Name:
Right ascension: 23h02m37.97s
Declination:-28d59m22.74s
Redshift:0.089423
Photometric Redshift:None
 

Cutout Download Report

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

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 13.68
Transient MWEBV processed 0.05
Host match processed 6.4
Host information processed 0.17
Host MWEBV processed 0.04
Global aperture construction processed 0.67
Global aperture photometry processed 3.63
Validate global photometry processed 9.95
Global host SED inference processed 438.13
Local aperture photometry processed 3.98
Validate local photometry processed 0.02
Local host SED inference processed 611.24
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):23h02m39.19s, -28d59m20.62s
semi major axis, semi minor axis (arcsec):1.2, 1.2
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 2.37 0.41 22.963 0.187 AB
PanSTARRS_i 3.16 0.42 22.652 0.143 AB
PanSTARRS_z 3.23 1.09 22.626 0.367 AB
PanSTARRS_y 2.45 2.47 22.925 1.092 AB

Aperture details

RA, DEC (J2000):23h02m37.96s, -28d59m22.42s
semi major axis, semi minor axis (arcsec):9.14, 7.39
angle (degrees, anti-clockwise from east):-89.36
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 45.48 3.41 19.756 0.081 AB
PanSTARRS_g 501.1 1.96 17.150 0.004 AB
PanSTARRS_r 871.62 2.87 16.549 0.004 AB
PanSTARRS_i 1258.41 2.93 16.150 0.003 AB
PanSTARRS_z 1413.87 7.64 16.024 0.006 AB
PanSTARRS_y 1686.61 16.87 15.832 0.011 AB
2MASS_J 1936.99 179.24 14.787 0.100 Vega
2MASS_H 1666.1 324.56 14.478 0.211 Vega
2MASS_K 2679.8 311.81 13.492 0.126 Vega
WISE_W1 1029.65 21.95 13.669 0.023 Vega
WISE_W2 660.54 25.86 13.511 0.043 Vega
WISE_W3 1806.93 96.45 10.584 0.058 Vega
WISE_W4 993.49 637.29 9.787 0.696 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.692 8.268 8.545
{\rm log}_{10}({\rm SFR}) -1.367 -0.761 -0.134
{\rm log}_{10}({\rm sSFR}) -9.790 -8.920 -7.966
{\rm stellar\ age} 0.113 4.064 7.006

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.330 -0.496 0.029
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.443 -0.674 0.112

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.324 1.887 2.678
\delta 0.084 0.239 0.346
\tau_1/\tau_2 0.707 1.133 1.556
Q_{PAH} 0.861 2.717 5.294
U_{min} 3.363 9.347 17.511
{\rm log}_{10}(\gamma_e)\, -2.919 -1.766 -0.533

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.498 -0.290 0.275
{\rm log}_{10}(\tau_{AGN})\, 0.968 1.470 1.892

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.804 -0.901 -0.273
0.03-0.10 Gyr -1.991 -0.993 -0.076
0.10-0.33 Gyr -3.295 -1.540 -0.828
0.33-1.06 Gyr -4.835 -1.949 -1.276
1.06-3.47 Gyr -5.754 -2.139 -1.394
3.47-11.33 Gyr -6.339 -2.200 -1.426
11.33-12.58 Gyr -6.484 -2.185 -1.203

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.618 10.673 10.742
{\rm log}_{10}({\rm SFR}) 0.028 0.368 0.707
{\rm log}_{10}({\rm sSFR}) -10.662 -10.296 -9.953
{\rm stellar\ age} 6.664 7.413 9.108

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.696 -0.493 -0.351
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.613 0.216 0.395

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.143 0.217 0.344
\delta -0.895 -0.636 -0.245
\tau_1/\tau_2 0.746 1.114 1.476
Q_{PAH} 0.500 1.399 3.088
U_{min} 2.385 7.218 14.190
{\rm log}_{10}(\gamma_e)\, -2.902 -1.748 -1.086

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.230 -3.117 -2.129
{\rm log}_{10}(\tau_{AGN})\, 1.088 1.594 1.943

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.143 0.161 0.390
0.03-0.10 Gyr -0.036 0.428 0.825
0.10-0.33 Gyr 0.014 0.439 0.758
0.33-1.06 Gyr -0.279 0.264 0.536
1.06-3.47 Gyr -0.151 0.422 0.709
3.47-11.33 Gyr 0.601 0.829 0.945
11.33-12.58 Gyr 0.450 0.968 1.558