2025svj

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Information

Transient

Name: AT2025svj
Right ascension: 23h47m41.31s
Declination: 15d48m45.08s
Discovery Date: Aug. 1, 2025, 12:27 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.025

Host

Name:
Right ascension: 23h47m41.32s
Declination: 15d48m45.86s
Redshift: None
Photometric Redshift: 0.091
 

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
processed
 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 7.85
Cutout download processed 52.43
Global aperture construction processed 0.7
Local aperture photometry processed 7.13
Global aperture photometry processed 6.62
Validate local photometry processed 0.03
Validate global photometry processed 18.82
Host information processed 0.17
Global host SED inference processed 468.38
Local host SED inference processed 499.48
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
Processing status completed 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) = 23h47m41.31s, 15d48m45.08s
semi major axis, semi minor axis (arcsec) = 1.19, 1.19
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 6.37 0.16 21.890 0.027 AB
DES_r 9.52 0.4 21.453 0.045 AB
PanSTARRS_i 8.4 0.39 21.589 0.050 AB
PanSTARRS_z 11.32 0.89 21.265 0.086 AB
DES_z 11.99 0.58 21.203 0.053 AB
PanSTARRS_y 11.08 1.8 21.288 0.176 AB

Aperture details

RA, DEC (J2000) = 23h47m41.30s, 15d48m46.16s
semi major axis, semi minor axis (arcsec) = 2.41, 2.2
angle (degrees, anti-clockwise from east) = -148.22

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.25 0.99 23.022 0.478 AB
GALEX_NUV 1.89 0.45 23.210 0.256 AB
SDSS_u 10.82 2.0 21.314 0.201 AB
SDSS_g 13.36 1.15 21.085 0.093 AB
DES_g 13.03 0.24 21.113 0.020 AB
PanSTARRS_g 12.23 0.49 21.181 0.043 AB
SDSS_r 19.93 1.45 20.651 0.079 AB
PanSTARRS_r 18.93 0.6 20.707 0.035 AB
DES_r 18.47 0.58 20.734 0.034 AB
SDSS_i 22.84 1.92 20.503 0.091 AB
PanSTARRS_i 20.71 0.71 20.610 0.037 AB
PanSTARRS_z 24.95 1.63 20.408 0.071 AB
SDSS_z 29.09 5.02 20.241 0.187 AB
DES_z 22.96 0.86 20.497 0.041 AB
PanSTARRS_y 26.92 3.26 20.325 0.131 AB
2MASS_J 10.48 68.32 20.454 7.076 Vega
2MASS_H 100.38 83.44 17.528 0.903 Vega
2MASS_K 214.13 140.51 16.236 0.712 Vega
WISE_W1 15.05 7.5 18.257 0.541 Vega
WISE_W2 13.16 9.96 17.763 0.822 Vega
WISE_W3 35.51 53.38 14.850 1.632 Vega
WISE_W4 247.63 337.98 11.295 1.482 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.928 8.168 8.330
{\rm log}_{10}({\rm SFR}) -2.100 -1.192 -0.403
{\rm log}_{10}({\rm sSFR}) -10.396 -9.459 -8.369
{\rm stellar\ age} 0.253 2.620 5.217

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.300 -0.402 0.012
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.613 -0.857 -0.014

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.166 0.414 0.878
\delta -0.625 -0.158 0.194
\tau_1/\tau_2 0.689 1.103 1.526
Q_{PAH} 1.252 2.965 5.069
U_{min} 3.039 8.622 16.252
{\rm log}_{10}(\gamma_e)\, -2.776 -1.640 -0.537

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.062 -0.018 0.308
{\rm log}_{10}(\tau_{AGN})\, 1.253 1.601 1.959

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.839 -1.631 -1.109
0.03-0.10 Gyr -2.291 -1.129 -0.257
0.10-0.33 Gyr -1.947 -1.020 -0.489
0.33-1.06 Gyr -3.414 -1.313 -0.879
1.06-3.47 Gyr -4.769 -2.123 -1.488
3.47-11.31 Gyr -5.658 -2.411 -1.730
11.31-12.57 Gyr -5.556 -2.442 -1.605

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.385 8.635 8.797
{\rm log}_{10}({\rm SFR}) -1.515 -0.693 0.189
{\rm log}_{10}({\rm sSFR}) -10.184 -9.320 -8.242
{\rm stellar\ age} 0.253 3.517 6.329

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.679 -1.178 -0.428
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.588 -0.631 0.203

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.203 0.590 1.222
\delta -0.498 -0.125 0.136
\tau_1/\tau_2 0.597 1.034 1.459
Q_{PAH} 1.260 3.134 5.169
U_{min} 3.827 9.988 17.821
{\rm log}_{10}(\gamma_e)\, -2.991 -1.816 -0.708

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.898 -0.611 -0.028
{\rm log}_{10}(\tau_{AGN})\, 1.024 1.472 1.813

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.104 -1.711 -0.989
0.03-0.10 Gyr -1.545 -0.573 0.350
0.10-0.33 Gyr -1.751 -0.686 0.009
0.33-1.06 Gyr -3.421 -1.317 -0.766
1.06-3.47 Gyr -4.493 -1.559 -1.019
3.47-11.31 Gyr -5.198 -1.863 -1.198
11.31-12.57 Gyr -5.425 -1.911 -0.962