2025sxb

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Information

Transient

Name: AT2025sxb
Right ascension: 1h39m48.24s
Declination: -4d13m21.59s
Discovery Date: July 30, 2025, 2:58 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.019

Host

Name:
Right ascension: 1h39m48.48s
Declination: -4d13m12.13s
Redshift: None
Photometric Redshift: 0.102
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
not enough filters
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 7.34
Cutout download processed 44.8
Global aperture construction processed 0.72
Local aperture photometry processed 7.56
Global aperture photometry processed 6.5
Validate local photometry processed 0.03
Validate global photometry processed 18.47
Host information processed 0.15
Global host SED inference processed 411.53
Local host SED inference not enough filters 23.38
Transient information processed 0.0
Transient MWEBV processed 0.14
Host MWEBV processed 0.07
Processing status blocked N/A N/A
 

Cutout Download Report

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_i: DES_z: DES_Y:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 1h39m48.24s, -4d13m21.59s
semi major axis, semi minor axis (arcsec) = 1.06, 1.06
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 1.03 0.28 23.866 0.293 AB
PanSTARRS_y 3.53 1.8 22.529 0.553 AB

Aperture details

RA, DEC (J2000) = 1h39m48.45s, -4d13m12.00s
semi major axis, semi minor axis (arcsec) = 11.17, 9.51
angle (degrees, anti-clockwise from east) = -99.14

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 34.26 5.76 20.063 0.183 AB
GALEX_NUV 56.82 4.65 19.514 0.089 AB
SDSS_u 50.44 9.13 19.643 0.197 AB
SDSS_g 384.73 6.04 17.437 0.017 AB
DES_g 392.19 0.9 17.416 0.002 AB
PanSTARRS_g 383.11 2.57 17.442 0.007 AB
SDSS_r 631.05 8.17 16.900 0.014 AB
PanSTARRS_r 629.69 3.21 16.902 0.006 AB
DES_r 691.78 1.44 16.800 0.002 AB
SDSS_i 916.57 11.08 16.495 0.013 AB
PanSTARRS_i 864.98 2.82 16.557 0.004 AB
PanSTARRS_z 989.26 5.78 16.412 0.006 AB
SDSS_z 1150.13 28.31 16.248 0.027 AB
DES_z 1049.67 4.74 16.347 0.005 AB
PanSTARRS_y 1169.54 17.46 16.230 0.016 AB
2MASS_J 1436.61 219.59 15.112 0.166 Vega
2MASS_H 1752.29 385.38 14.423 0.239 Vega
2MASS_K 1190.63 405.44 14.373 0.370 Vega
WISE_W1 682.14 19.28 14.116 0.031 Vega
WISE_W2 497.96 24.29 13.818 0.053 Vega
WISE_W3 1517.8 106.69 10.773 0.076 Vega
WISE_W4 1583.77 611.11 9.281 0.419 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

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})\, 10.637 10.678 10.747
{\rm log}_{10}({\rm SFR}) -0.025 0.178 0.409
{\rm log}_{10}({\rm sSFR}) -10.712 -10.497 -10.280
{\rm stellar\ age} 7.222 8.109 10.472

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.781 -0.604 -0.476
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.559 -0.109 0.265

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.054 0.108 0.196
\delta -0.579 -0.185 0.107
\tau_1/\tau_2 0.745 1.153 1.536
Q_{PAH} 1.054 2.721 4.805
U_{min} 2.252 7.017 14.445
{\rm log}_{10}(\gamma_e)\, -3.076 -1.935 -0.798

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.640 -1.667 -1.231
{\rm log}_{10}(\tau_{AGN})\, 1.303 1.650 1.911

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.027 0.130 0.264
0.03-0.10 Gyr -0.113 0.202 0.505
0.10-0.33 Gyr -0.249 0.126 0.382
0.33-1.06 Gyr -0.348 0.095 0.337
1.06-3.44 Gyr -0.509 0.092 0.456
3.44-11.18 Gyr 0.381 0.826 0.931
11.18-12.42 Gyr 0.698 1.226 1.788