2025spt

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Information

Transient

Name: AT2025spt
Right ascension: 11h18m59.87s
Declination: 54d15m44.12s
Discovery Date: July 25, 2025, 4 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.010

Host

Name:
Right ascension: 11h19m00.00s
Declination: 54d15m44.11s
Redshift: 0.104627
Photometric Redshift: 0.124
 

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 5.65
Cutout download processed 33.76
Global aperture construction processed 0.64
Local aperture photometry processed 5.33
Global aperture photometry processed 4.71
Validate local photometry processed 0.02
Validate global photometry processed 14.1
Host information processed 0.17
Global host SED inference processed 388.33
Local host SED inference processed 697.03
Transient information processed 0.0
Transient MWEBV processed 0.09
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) = 11h18m59.87s, 54d15m44.12s
semi major axis, semi minor axis (arcsec) = 1.04, 1.04
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_y 29.79 1.63 20.215 0.059 AB

Aperture details

RA, DEC (J2000) = 11h18m59.98s, 54d15m44.20s
semi major axis, semi minor axis (arcsec) = 5.65, 3.74
angle (degrees, anti-clockwise from east) = -3.74

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 12.62 3.5 21.147 0.301 AB
GALEX_NUV 15.04 0.55 20.957 0.040 AB
SDSS_u 42.73 4.51 19.823 0.115 AB
SDSS_g 74.56 2.63 19.219 0.038 AB
PanSTARRS_g 78.99 1.01 19.156 0.014 AB
SDSS_r 119.67 3.56 18.705 0.032 AB
PanSTARRS_r 117.03 1.26 18.729 0.012 AB
SDSS_i 166.29 4.98 18.348 0.033 AB
PanSTARRS_i 148.29 1.11 18.472 0.008 AB
PanSTARRS_z 159.6 2.76 18.392 0.019 AB
SDSS_z 129.57 17.18 18.619 0.144 AB
PanSTARRS_y 130.06 7.03 18.615 0.059 AB
2MASS_J 100.3 127.75 18.002 1.383 Vega
2MASS_H 407.76 231.0 16.006 0.615 Vega
2MASS_K 111.99 192.89 16.939 1.870 Vega
WISE_W1 78.36 10.21 16.466 0.142 Vega
WISE_W2 41.6 12.14 16.513 0.317 Vega
WISE_W3 148.16 48.74 13.299 0.357 Vega
WISE_W4 -226.21 294.78 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})\, 8.429 8.896 9.272
{\rm log}_{10}({\rm SFR}) -0.831 -0.359 0.021
{\rm log}_{10}({\rm sSFR}) -9.916 -9.318 -8.463
{\rm stellar\ age} 1.579 5.746 8.284

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.405 -0.668 -0.043
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.221 -0.593 0.072

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.568 0.980 1.474
\delta -0.497 -0.137 0.201
\tau_1/\tau_2 0.462 0.878 1.328
Q_{PAH} 0.621 2.126 4.810
U_{min} 3.051 8.536 15.623
{\rm log}_{10}(\gamma_e)\, -3.178 -2.099 -0.852

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.078 -0.981 0.073
{\rm log}_{10}(\tau_{AGN})\, 0.949 1.469 1.912

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.567 -0.107 0.276
0.03-0.10 Gyr -2.323 -0.861 -0.138
0.10-0.33 Gyr -3.552 -1.423 -0.546
0.33-1.06 Gyr -4.191 -1.515 -0.686
1.06-3.43 Gyr -3.625 -1.443 -0.803
3.43-11.16 Gyr -3.158 -1.287 -0.686
11.16-12.40 Gyr -2.972 -1.172 -0.156

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.611 9.720 9.818
{\rm log}_{10}({\rm SFR}) -0.557 -0.285 0.025
{\rm log}_{10}({\rm sSFR}) -10.285 -9.997 -9.685
{\rm stellar\ age} 5.242 6.527 7.707

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.507 -1.140 -0.788
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.672 -0.697 0.180

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.093 0.176 0.299
\delta -0.654 -0.240 0.132
\tau_1/\tau_2 0.422 0.754 1.100
Q_{PAH} 0.849 1.927 3.457
U_{min} 2.650 7.305 14.503
{\rm log}_{10}(\gamma_e)\, -2.867 -2.037 -1.140

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.696 -2.245 -1.575
{\rm log}_{10}(\tau_{AGN})\, 0.953 1.362 1.784

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.678 -0.445 -0.233
0.03-0.10 Gyr -0.575 -0.236 0.125
0.10-0.33 Gyr -0.516 -0.174 0.089
0.33-1.06 Gyr -0.743 -0.324 -0.045
1.06-3.43 Gyr -0.587 -0.233 -0.011
3.43-11.16 Gyr -0.455 -0.174 -0.006
11.16-12.40 Gyr -0.720 -0.126 0.368