2025gcs

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Information

Transient

Name: AT2025gcs
Right ascension: 21h49m06.89s
Declination: 33d05m52.31s
Discovery Date: March 25, 2025, 12:25 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.139

Host

Name: 2025gcs
Right ascension: 21h49m06.87s
Declination: 33d05m52.47s
Redshift: None
Photometric Redshift: 0.105
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 3.36
Cutout download processed 3.84
Global aperture construction processed 0.66
Local aperture photometry processed 4.11
Global aperture photometry processed 4.23
Validate local photometry processed 0.02
Validate global photometry processed 11.78
Host information processed 0.08
Global host SED inference processed 655.04
Local host SED inference processed 799.08
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
Log transient processing status 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) = 21h49m06.89s, 33d05m52.31s
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 281.76 2.16 17.775 0.008 AB

Aperture details

RA, DEC (J2000) = 21h49m06.86s, 33d05m52.55s
semi major axis, semi minor axis (arcsec) = 5.48, 4.77
angle (degrees, anti-clockwise from east) = -27.39

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 168.25 1.05 18.335 0.007 AB
PanSTARRS_z 707.29 3.74 16.776 0.006 AB
PanSTARRS_y 1006.8 10.34 16.393 0.011 AB
2MASS_H 1516.11 260.19 14.581 0.186 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})\, 9.633 10.031 10.278
{\rm log}_{10}({\rm SFR}) 0.036 0.511 1.046
{\rm log}_{10}({\rm sSFR}) -10.134 -9.517 -8.739
{\rm stellar\ age} 2.481 6.395 9.140

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.215 -0.485 0.028
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.218 -0.561 0.068

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.469 0.822 1.178
\delta -0.747 -0.445 0.007
\tau_1/\tau_2 0.467 0.959 1.418
Q_{PAH} 0.715 2.366 4.878
U_{min} 2.992 8.768 16.072
{\rm log}_{10}(\gamma_e)\, -3.445 -2.200 -0.940

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.311 -2.938 -1.003
{\rm log}_{10}(\tau_{AGN})\, 0.916 1.342 1.872

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.174 0.640 1.114
0.03-0.10 Gyr -1.257 0.192 1.054
0.10-0.32 Gyr -2.068 -0.415 0.498
0.32-1.06 Gyr -2.550 -0.422 0.289
1.06-3.43 Gyr -2.238 -0.295 0.282
3.43-11.16 Gyr -1.580 -0.047 0.349
11.16-12.40 Gyr -1.366 0.129 1.047

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.328 10.614 10.777
{\rm log}_{10}({\rm SFR}) 0.759 1.212 1.778
{\rm log}_{10}({\rm sSFR}) -9.930 -9.407 -8.485
{\rm stellar\ age} 0.694 4.319 7.147

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.939 -0.180 0.093
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.735 -0.232 0.172

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.849 1.382 1.970
\delta -0.378 -0.101 0.227
\tau_1/\tau_2 0.417 0.865 1.405
Q_{PAH} 0.564 2.220 4.680
U_{min} 2.775 7.673 15.385
{\rm log}_{10}(\gamma_e)\, -3.294 -1.596 -0.471

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.642 -3.676 -1.222
{\rm log}_{10}(\tau_{AGN})\, 0.972 1.560 1.975

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.802 1.215 1.560
0.03-0.10 Gyr 0.267 1.161 1.878
0.10-0.32 Gyr -0.616 0.783 1.516
0.32-1.06 Gyr -1.122 0.700 1.422
1.06-3.43 Gyr -1.876 0.504 1.000
3.43-11.16 Gyr -2.667 0.358 0.876
11.16-12.40 Gyr -2.883 0.256 1.109