2025spt results

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
 

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_i
DES_z
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 33.76
Transient MWEBV processed 0.09
Host match processed 5.65
Host information processed 0.17
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 4.71
Validate global photometry processed 14.1
Global host SED inference processed 388.33
Local aperture photometry processed 5.33
Validate local photometry processed 0.02
Local host SED inference processed 697.03
 

Imaging data


 

Spectral Energy Distribution


 

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
 

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