2025sev

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Information

Transient

Name: AT2025sev
Right ascension: 17h35m06.19s
Declination: 64d05m10.72s
Discovery Date: July 25, 2025, 10:03 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.024

Host

Name:
Right ascension: 17h35m06.16s
Declination: 64d05m10.40s
Redshift: None
Photometric Redshift: 0.085
 

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 5.98
Cutout download processed 30.45
Global aperture construction processed 0.65
Local aperture photometry processed 5.39
Global aperture photometry processed 4.85
Validate local photometry processed 0.03
Validate global photometry processed 14.5
Host information processed 0.14
Global host SED inference processed 486.69
Local host SED inference processed 455.46
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.05
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) = 17h35m06.19s, 64d05m10.72s
semi major axis, semi minor axis (arcsec) = 1.26, 1.26
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 24.77 0.36 20.415 0.016 AB
SDSS_i 29.82 1.71 20.214 0.062 AB
PanSTARRS_i 29.63 0.41 20.221 0.015 AB
PanSTARRS_z 31.27 1.16 20.162 0.040 AB
PanSTARRS_y 29.23 2.35 20.235 0.087 AB

Aperture details

RA, DEC (J2000) = 17h35m06.15s, 64d05m10.48s
semi major axis, semi minor axis (arcsec) = 3.64, 2.6
angle (degrees, anti-clockwise from east) = -142.82

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 11.47 2.72 21.251 0.257 AB
GALEX_NUV 13.42 0.67 21.080 0.055 AB
SDSS_u 17.94 2.61 20.765 0.158 AB
SDSS_g 35.55 1.8 20.023 0.055 AB
PanSTARRS_g 34.31 0.83 20.062 0.026 AB
SDSS_r 47.21 2.22 19.715 0.051 AB
PanSTARRS_r 44.33 0.83 19.783 0.020 AB
SDSS_i 59.26 3.08 19.468 0.056 AB
PanSTARRS_i 54.47 0.97 19.560 0.019 AB
PanSTARRS_z 52.89 2.72 19.592 0.056 AB
SDSS_z 29.9 8.69 20.211 0.316 AB
PanSTARRS_y 55.53 5.5 19.539 0.108 AB
2MASS_J 45.54 97.04 18.859 2.314 Vega
2MASS_H -108.2 132.47 Vega
2MASS_K 106.14 170.96 16.997 1.749 Vega
WISE_W1 -1.16 12.09 Vega
WISE_W2 4.8 13.32 18.857 3.011 Vega
WISE_W3 51.7 20.46 14.442 0.430 Vega
WISE_W4 365.32 143.12 10.873 0.425 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})\, 8.521 8.802 8.956
{\rm log}_{10}({\rm SFR}) -1.828 -1.153 -0.274
{\rm log}_{10}({\rm sSFR}) -10.649 -9.960 -8.999
{\rm stellar\ age} 1.549 5.785 7.482

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.691 -1.257 -0.349
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.448 -0.809 -0.136

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.090 0.307 0.770
\delta -0.611 -0.162 0.192
\tau_1/\tau_2 0.669 1.078 1.459
Q_{PAH} 1.050 3.048 5.388
U_{min} 3.245 8.847 16.131
{\rm log}_{10}(\gamma_e)\, -2.644 -1.528 -0.530

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.589 -0.308 0.115
{\rm log}_{10}(\tau_{AGN})\, 1.167 1.671 2.011

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.096 -1.547 -1.024
0.03-0.10 Gyr -1.955 -1.083 -0.129
0.10-0.33 Gyr -2.167 -1.104 -0.473
0.33-1.07 Gyr -2.594 -1.190 -0.618
1.07-3.48 Gyr -3.075 -1.226 -0.891
3.48-11.38 Gyr -3.128 -1.221 -0.909
11.38-12.65 Gyr -3.105 -1.298 -0.617

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.674 8.939 9.090
{\rm log}_{10}({\rm SFR}) -0.486 -0.062 0.395
{\rm log}_{10}({\rm sSFR}) -9.458 -8.974 -8.321
{\rm stellar\ age} 1.497 5.287 7.171

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.653 -1.024 -0.123
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.569 -0.064 0.288

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.080 0.425 0.938
\delta -0.099 0.208 0.344
\tau_1/\tau_2 0.625 1.037 1.461
Q_{PAH} 1.288 3.235 5.145
U_{min} 3.265 9.310 17.050
{\rm log}_{10}(\gamma_e)\, -2.797 -1.548 -0.489

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.525 -1.426 -0.398
{\rm log}_{10}(\tau_{AGN})\, 0.974 1.464 1.854

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.951 -0.644 -0.359
0.03-0.10 Gyr -0.415 0.056 0.539
0.10-0.33 Gyr -1.747 -0.620 -0.113
0.33-1.07 Gyr -2.269 -1.037 -0.644
1.07-3.48 Gyr -2.800 -1.164 -0.808
3.48-11.38 Gyr -2.841 -1.203 -0.850
11.38-12.65 Gyr -2.691 -1.094 -0.461