2025seg results

Information

Transient
Name:AT2025seg
Right ascension: 22h56m26.69s
Declination:34d13m56.45s
Discovery Date:July 25, 2025, 9:28 p.m.
Classification:None
Redshift:None
MW E(B-V):0.084
Host
Name:
Right ascension: 22h56m26.60s
Declination:34d13m56.10s
Redshift:0.048315
Photometric Redshift:0.064
 

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: blocked

Task Name Status Time (s)
Cutout download processed 44.26
Transient MWEBV processed 0.05
Host match processed 5.19
Host information processed 0.15
Host MWEBV processed 0.07
Global aperture construction processed 0.66
Global aperture photometry processed 6.61
Validate global photometry processed 18.24
Global host SED inference processed 741.53
Local aperture photometry processed 7.5
Validate local photometry processed 0.02
Local host SED inference processed 873.43
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

RA, DEC (J2000):22h56m26.69s, 34d13m56.45s
semi major axis, semi minor axis (arcsec):2.11, 2.11
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 55.37 2.53 19.542 0.050 AB
SDSS_g 335.16 4.77 17.587 0.015 AB
DES_g 371.84 1.7 17.474 0.005 AB
PanSTARRS_g 357.44 0.66 17.517 0.002 AB
SDSS_r 879.86 7.75 16.539 0.010 AB
PanSTARRS_r 906.67 0.89 16.506 0.001 AB
DES_r 982.31 5.3 16.419 0.006 AB
SDSS_i 1372.04 9.71 16.057 0.008 AB
PanSTARRS_i 1434.92 0.92 16.008 0.001 AB
PanSTARRS_z 1870.1 2.11 15.720 0.001 AB
SDSS_z 1980.36 12.77 15.658 0.007 AB
DES_z 2003.09 11.34 15.646 0.006 AB
PanSTARRS_y 2148.0 3.35 15.570 0.002 AB

Aperture details

RA, DEC (J2000):22h56m26.58s, 34d13m56.38s
semi major axis, semi minor axis (arcsec):11.38, 9.99
angle (degrees, anti-clockwise from east):-88.76
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.17 3.83 23.060 1.917 AB
GALEX_NUV 3.59 2.69 22.511 0.811 AB
SDSS_u 317.53 9.72 17.646 0.033 AB
SDSS_g 1147.36 9.11 16.251 0.009 AB
DES_g 1272.82 3.31 16.138 0.003 AB
PanSTARRS_g 1248.74 2.63 16.159 0.002 AB
SDSS_r 2906.81 14.68 15.241 0.005 AB
PanSTARRS_r 2979.95 3.13 15.214 0.001 AB
DES_r 3237.66 9.84 15.124 0.003 AB
SDSS_i 4506.44 18.74 14.765 0.005 AB
PanSTARRS_i 4647.28 3.85 14.732 0.001 AB
PanSTARRS_z 6070.62 9.28 14.442 0.002 AB
SDSS_z 6282.45 34.41 14.405 0.006 AB
DES_z 6509.96 20.72 14.366 0.003 AB
PanSTARRS_y 7532.46 16.08 14.208 0.002 AB
2MASS_J 9477.4 228.7 13.063 0.026 Vega
2MASS_H 12794.01 307.4 12.265 0.026 Vega
2MASS_K 10476.5 449.36 12.012 0.047 Vega
WISE_W1 4898.83 43.14 11.976 0.010 Vega
WISE_W2 2815.03 44.18 11.937 0.017 Vega
WISE_W3 453.28 105.03 12.085 0.252 Vega
WISE_W4 117.87 512.48 12.102 4.721 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.388 10.512 10.616
{\rm log}_{10}({\rm SFR}) -4.743 -1.472 0.012
{\rm log}_{10}({\rm sSFR}) -15.727 -12.133 -10.478
{\rm stellar\ age} 7.645 10.136 12.427

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.665 -1.189 -0.827
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.735 -0.675 0.269

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.556 0.808 1.112
\delta -0.834 -0.592 -0.318
\tau_1/\tau_2 0.549 1.000 1.448
Q_{PAH} 0.469 2.458 5.509
U_{min} 3.548 9.504 17.431
{\rm log}_{10}(\gamma_e)\, -3.173 -1.595 -0.430

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.113 -2.291 -0.398
{\rm log}_{10}(\tau_{AGN})\, 0.974 1.438 1.969

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.375 -1.621 -0.296
0.03-0.10 Gyr -6.075 -1.849 0.042
0.10-0.33 Gyr -6.061 -2.132 -0.128
0.33-1.09 Gyr -5.987 -2.470 -0.335
1.09-3.58 Gyr -4.235 -1.958 0.040
3.58-11.80 Gyr -1.740 0.262 0.718
11.80-13.11 Gyr 0.051 1.350 1.742

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.069 11.108 11.158
{\rm log}_{10}({\rm SFR}) -5.985 -2.307 -0.919
{\rm log}_{10}({\rm sSFR}) -17.180 -13.324 -12.081
{\rm stellar\ age} 12.109 12.441 12.453

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.871 -0.611 -0.441
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.521 -0.402 0.291

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.224 0.363 0.597
\delta -0.252 -0.039 0.119
\tau_1/\tau_2 0.448 0.919 1.421
Q_{PAH} 0.248 0.656 1.227
U_{min} 4.244 10.718 18.498
{\rm log}_{10}(\gamma_e)\, -3.176 -2.144 -1.419

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.503 -3.738 -2.771
{\rm log}_{10}(\tau_{AGN})\, 1.145 1.631 1.967

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -6.930 -3.480 -1.521
0.03-0.10 Gyr -6.962 -2.580 -0.821
0.10-0.33 Gyr -7.794 -4.282 -1.746
0.33-1.09 Gyr -8.139 -5.314 -2.419
1.09-3.58 Gyr -5.330 -3.398 -1.569
3.58-11.80 Gyr -2.269 -1.258 0.275
11.80-13.11 Gyr 2.186 2.240 2.294