2025spj

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Information

Transient

Name: AT2025spj
Right ascension: 19h26m35.53s
Declination: 81d07m09.90s
Discovery Date: July 29, 2025, 7:55 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.059

Host

Name:
Right ascension: 19h26m36.28s
Declination: 81d07m12.37s
Redshift: 0.078985
Photometric Redshift:
 

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 4.41
Cutout download processed 11.44
Global aperture construction processed 0.66
Local aperture photometry processed 4.04
Global aperture photometry processed 3.72
Validate local photometry processed 0.02
Validate global photometry processed 10.97
Host information processed 0.15
Global host SED inference processed 386.64
Local host SED inference processed 446.35
Transient information processed 0.0
Transient MWEBV processed 0.1
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) = 19h26m35.53s, 81d07m09.90s
semi major axis, semi minor axis (arcsec) = 1.34, 1.34
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 13.69 0.48 21.059 0.038 AB
PanSTARRS_r 29.24 0.73 20.235 0.027 AB
PanSTARRS_i 45.77 0.54 19.749 0.013 AB
PanSTARRS_z 58.38 1.32 19.484 0.024 AB
PanSTARRS_y 71.97 3.39 19.257 0.051 AB

Aperture details

RA, DEC (J2000) = 19h26m36.32s, 81d07m12.52s
semi major axis, semi minor axis (arcsec) = 10.31, 5.19
angle (degrees, anti-clockwise from east) = -107.93

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 11.12 2.53 21.285 0.247 AB
GALEX_NUV 12.52 0.76 21.156 0.066 AB
PanSTARRS_g 258.09 2.61 17.871 0.011 AB
PanSTARRS_r 509.74 3.89 17.132 0.008 AB
PanSTARRS_i 841.77 2.9 16.587 0.004 AB
PanSTARRS_z 1056.73 7.1 16.340 0.007 AB
PanSTARRS_y 1363.2 18.3 16.064 0.015 AB
2MASS_J 1781.24 175.72 14.878 0.107 Vega
2MASS_H 2636.81 251.74 13.980 0.104 Vega
2MASS_K 2110.75 340.93 13.751 0.175 Vega
WISE_W1 1312.04 21.33 13.406 0.018 Vega
WISE_W2 946.75 21.77 13.120 0.025 Vega
WISE_W3 4237.32 67.68 9.658 0.017 Vega
WISE_W4 3156.11 426.88 8.532 0.147 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})\, 9.253 9.401 9.538
{\rm log}_{10}({\rm SFR}) -1.694 -1.071 -0.455
{\rm log}_{10}({\rm sSFR}) -11.096 -10.484 -9.745
{\rm stellar\ age} 5.371 7.218 9.229

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.431 -0.735 -0.171
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.555 -0.645 0.211

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.558 1.072 1.536
\delta -0.349 -0.074 0.181
\tau_1/\tau_2 0.671 1.010 1.348
Q_{PAH} 0.739 2.578 5.014
U_{min} 2.723 7.699 14.908
{\rm log}_{10}(\gamma_e)\, -3.030 -1.681 -0.591

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.716 -0.890 -0.169
{\rm log}_{10}(\tau_{AGN})\, 0.968 1.378 1.845

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.908 -1.187 -0.688
0.03-0.10 Gyr -1.909 -1.095 -0.392
0.10-0.33 Gyr -2.061 -1.173 -0.466
0.33-1.07 Gyr -2.297 -1.144 -0.482
1.07-3.50 Gyr -1.985 -0.739 -0.398
3.50-11.44 Gyr -1.070 -0.511 -0.294
11.44-12.71 Gyr -1.169 -0.409 0.289

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.634 10.688 10.764
{\rm log}_{10}({\rm SFR}) -0.301 -0.043 0.222
{\rm log}_{10}({\rm sSFR}) -11.006 -10.739 -10.428
{\rm stellar\ age} 7.384 8.206 11.022

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.399 -0.184 -0.008
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.047 0.108 0.352

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.375 0.502 0.654
\delta -0.139 0.057 0.225
\tau_1/\tau_2 0.673 1.020 1.412
Q_{PAH} 1.700 3.279 4.971
U_{min} 2.220 6.691 13.869
{\rm log}_{10}(\gamma_e)\, -2.711 -1.861 -1.059

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.038 -1.406 -1.030
{\rm log}_{10}(\tau_{AGN})\, 1.267 1.648 1.926

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.088 0.133 0.320
0.03-0.10 Gyr -0.842 -0.161 0.234
0.10-0.33 Gyr -1.047 -0.344 0.084
0.33-1.07 Gyr -1.103 -0.362 0.084
1.07-3.50 Gyr -0.862 -0.015 0.484
3.50-11.44 Gyr 0.332 0.833 0.943
11.44-12.71 Gyr 0.632 1.158 1.815