2025ssd

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Information

Transient

Name: AT2025ssd
Right ascension: 0h07m57.67s
Declination: 15d06m12.22s
Discovery Date: July 30, 2025, 11:29 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.047

Host

Name: 1475319
Right ascension: 0h07m57.70s
Declination: 15d06m12.33s
Redshift: 0.132046
Photometric Redshift:
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 33.83
Transient MWEBV processed 0.09
Host match processed 4.06
Host information processed 0.16
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 6.01
Validate global photometry processed 17.65
Global host SED inference processed 483.99
Local aperture photometry processed 7.13
Validate local photometry no valid phot 0.03
Local host SED inference not processed None
 

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) = 0h07m57.67s, 15d06m12.22s
semi major axis, semi minor axis (arcsec) = 0.85, 0.85
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 0h07m57.71s, 15d06m12.41s
semi major axis, semi minor axis (arcsec) = 7.69, 5.62
angle (degrees, anti-clockwise from east) = -157.67

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.89 0.82 23.209 0.473 AB
GALEX_NUV 3.55 0.72 22.525 0.221 AB
SDSS_u 91.08 6.09 19.001 0.073 AB
SDSS_g 380.26 5.42 17.450 0.015 AB
PanSTARRS_g 422.21 1.48 17.336 0.004 AB
SDSS_r 955.05 8.6 16.450 0.010 AB
PanSTARRS_r 980.18 2.2 16.422 0.002 AB
DES_r 1070.19 3.33 16.326 0.003 AB
SDSS_i 1465.84 11.18 15.985 0.008 AB
PanSTARRS_i 1468.19 2.07 15.983 0.002 AB
PanSTARRS_z 1939.53 5.31 15.681 0.003 AB
SDSS_z 1989.39 30.84 15.653 0.017 AB
DES_z 2066.86 13.31 15.612 0.007 AB
PanSTARRS_y 2373.96 9.58 15.461 0.004 AB
2MASS_J 3087.57 140.25 14.281 0.049 Vega
2MASS_H 3573.73 185.01 13.650 0.056 Vega
2MASS_K 3713.84 301.09 13.138 0.088 Vega
WISE_W1 1563.48 26.69 13.216 0.019 Vega
WISE_W2 991.34 32.4 13.070 0.035 Vega
WISE_W3 298.35 91.49 12.539 0.333 Vega
WISE_W4 -324.71 400.9 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.291 11.402 11.450
{\rm log}_{10}({\rm SFR}) -5.432 -2.196 -0.967
{\rm log}_{10}({\rm sSFR}) -16.882 -13.706 -12.347
{\rm stellar\ age} 7.263 10.746 11.459

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.831 -0.631 -0.474
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.540 -0.660 0.156

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.134 0.222 0.344
\delta -0.589 -0.293 -0.057
\tau_1/\tau_2 0.492 0.931 1.435
Q_{PAH} 0.554 1.955 3.872
U_{min} 3.545 10.003 18.381
{\rm log}_{10}(\gamma_e)\, -2.782 -1.470 -0.562

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.263 -3.236 -2.255
{\rm log}_{10}(\tau_{AGN})\, 1.089 1.585 1.955

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -6.927 -3.185 -1.303
0.03-0.10 Gyr -6.145 -2.354 -0.901
0.10-0.32 Gyr -6.493 -3.140 -1.180
0.32-1.04 Gyr -5.997 -3.064 -1.106
1.04-3.36 Gyr -3.527 -1.862 -0.187
3.36-10.86 Gyr -1.275 0.985 1.630
10.86-12.07 Gyr 1.056 2.492 2.616