2025grs

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Information

Transient

Name: AT2025grs
Right ascension: 21h47m55.78s
Declination: -70d59m12.07s
Discovery Date: April 2, 2025, 6:42 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.023

Host

Name: 2025grs
Right ascension: 21h47m52.63s
Declination: -70d59m05.42s
Redshift: 0.036729
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
no valid phot
 status
Local host SED inference
Local host SED inference
not 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 0.68
Cutout download processed 2.85
Global aperture construction processed 0.14
Local aperture photometry processed 0.81
Global aperture photometry processed 0.88
Validate local photometry no valid phot 0.01
Validate global photometry processed 1.37
Host information processed 0.08
Global host SED inference processed 2302.66
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.04
Processing status blocked 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) = 21h47m55.78s, -70d59m12.07s
semi major axis, semi minor axis (arcsec) = 2.74, 2.74
angle (degrees, anti-clockwise from east) = 0.0

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

Aperture details

RA, DEC (J2000) = 21h47m52.70s, -70d59m05.52s
semi major axis, semi minor axis (arcsec) = 20.3, 14.18
angle (degrees, anti-clockwise from east) = -63.6

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 52.79 6.23 19.594 0.128 AB
2MASS_J 30561.3 379.79 11.792 0.013 Vega
2MASS_H 39235.32 556.35 11.048 0.015 Vega
2MASS_K 31974.03 711.35 10.800 0.024 Vega
WISE_W1 14845.56 75.5 10.772 0.006 Vega
WISE_W2 8152.49 68.42 10.783 0.009 Vega
WISE_W3 2306.31 176.29 10.319 0.083 Vega
WISE_W4 -214.72 783.33 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.115 11.260 11.372
{\rm log}_{10}({\rm SFR}) -3.340 -1.530 -0.719
{\rm log}_{10}({\rm sSFR}) -14.610 -12.749 -11.987
{\rm stellar\ age} 7.759 10.689 12.593

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.787 -0.411 -0.193
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.374 -0.560 0.162

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.047 0.155 0.349
\delta -0.880 -0.502 -0.064
\tau_1/\tau_2 0.314 0.774 1.266
Q_{PAH} 0.182 0.683 1.849
U_{min} 2.945 8.821 16.708
{\rm log}_{10}(\gamma_e)\, -3.335 -2.190 -1.161

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.623 -3.896 -2.947
{\rm log}_{10}(\tau_{AGN})\, 1.120 1.635 1.981

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.443 -1.724 -0.862
0.03-0.10 Gyr -4.452 -1.685 -0.685
0.10-0.33 Gyr -4.794 -1.805 -0.606
0.33-1.09 Gyr -5.134 -1.545 -0.066
1.09-3.61 Gyr -3.467 -0.872 0.930
3.61-11.94 Gyr -1.498 0.931 1.427
11.94-13.26 Gyr 0.922 2.183 2.504