2025erj

Download data

Information

Transient

Name: AT2025erj
Right ascension: 4h38m18.57s
Declination: 21d35m43.08s
Discovery Date: March 17, 2025, 5:32 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.339

Host

Name: 2025erj
Right ascension: 4h38m28.71s
Declination: 21d35m40.81s
Redshift: 0.069261
Photometric Redshift: 0.043
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 14.26
Cutout download processed 14.0
Global aperture construction processed 0.59
Local aperture photometry processed 4.31
Global aperture photometry processed 4.19
Validate local photometry processed 0.02
Validate global photometry processed 12.74
Host information processed 0.1
Global host SED inference processed 421.69
Local host SED inference processed 546.11
Transient information processed 0.0
Transient MWEBV processed 0.14
Host MWEBV processed 0.17
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) = 4h38m18.57s, 21d35m43.08s
semi major axis, semi minor axis (arcsec) = 1.51, 1.51
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 1.22 0.52 23.684 0.462 AB
PanSTARRS_g 0.83 0.37 24.103 0.489 AB
SDSS_r 1.25 0.8 23.657 0.694 AB
PanSTARRS_r 2.78 0.37 22.789 0.146 AB
SDSS_i 5.2 1.37 22.111 0.286 AB
PanSTARRS_i 3.07 0.48 22.681 0.170 AB
PanSTARRS_z 0.05 1.3 27.068 26.195 AB
SDSS_z 3.6 4.0 22.508 1.206 AB
PanSTARRS_y 2.77 2.97 22.792 1.163 AB

Aperture details

RA, DEC (J2000) = 4h38m28.70s, 21d35m40.96s
semi major axis, semi minor axis (arcsec) = 6.65, 3.76
angle (degrees, anti-clockwise from east) = -78.5

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV -1.42 2.45 AB
GALEX_NUV 0.86 0.95 24.059 1.198 AB
SDSS_u 22.24 3.92 20.532 0.191 AB
PanSTARRS_g 234.0 1.37 17.977 0.006 AB
SDSS_r 696.32 7.22 16.793 0.011 AB
PanSTARRS_r 691.32 1.2 16.801 0.002 AB
SDSS_i 1283.64 10.13 16.129 0.009 AB
PanSTARRS_i 1238.11 1.54 16.168 0.001 AB
PanSTARRS_z 1799.46 4.22 15.762 0.003 AB
SDSS_z 2025.93 17.44 15.633 0.009 AB
PanSTARRS_y 2464.92 9.5 15.420 0.004 AB
2MASS_J 3862.8 158.69 14.038 0.045 Vega
2MASS_H 5235.46 270.49 13.235 0.056 Vega
2MASS_K 5036.96 252.9 12.807 0.055 Vega
WISE_W1 2329.53 34.16 12.783 0.016 Vega
WISE_W2 1386.71 35.81 12.706 0.028 Vega
WISE_W3 149.95 104.9 13.286 0.759 Vega
WISE_W4 580.08 649.78 10.371 1.216 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})\, 7.806 8.204 8.454
{\rm log}_{10}({\rm SFR}) -1.781 -1.253 -0.772
{\rm log}_{10}({\rm sSFR}) -10.055 -9.446 -8.765
{\rm stellar\ age} 2.700 5.994 7.588

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.314 -0.407 0.037
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.628 -0.737 0.197

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.643 1.125 1.685
\delta -0.249 0.053 0.297
\tau_1/\tau_2 0.619 0.992 1.358
Q_{PAH} 1.050 2.621 4.730
U_{min} 2.947 8.184 15.428
{\rm log}_{10}(\gamma_e)\, -3.056 -2.113 -1.044

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.489 -0.491 0.215
{\rm log}_{10}(\tau_{AGN})\, 0.980 1.391 1.862

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.644 -1.108 -0.575
0.03-0.10 Gyr -2.308 -1.471 -0.882
0.10-0.33 Gyr -2.571 -1.750 -1.178
0.33-1.07 Gyr -2.739 -1.808 -1.351
1.07-3.52 Gyr -2.988 -1.835 -1.462
3.52-11.55 Gyr -2.991 -1.818 -1.444
11.55-12.84 Gyr -3.051 -1.861 -1.179

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.717 10.813 10.902
{\rm log}_{10}({\rm SFR}) -0.938 -0.263 0.162
{\rm log}_{10}({\rm sSFR}) -11.795 -11.103 -10.623
{\rm stellar\ age} 6.082 7.261 8.694

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.668 -0.473 -0.320
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.304 -0.525 0.081

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.427 0.578 0.736
\delta -0.927 -0.802 -0.608
\tau_1/\tau_2 0.620 0.977 1.319
Q_{PAH} 0.296 1.441 4.193
U_{min} 2.543 6.964 14.379
{\rm log}_{10}(\gamma_e)\, -2.812 -1.495 -0.768

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.573 -3.720 -2.717
{\rm log}_{10}(\tau_{AGN})\, 1.052 1.568 1.938

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.226 -0.309 0.043
0.03-0.10 Gyr -1.139 -0.296 0.236
0.10-0.33 Gyr -0.721 0.058 0.676
0.33-1.07 Gyr -0.314 0.479 0.892
1.07-3.52 Gyr 0.155 0.750 1.021
3.52-11.55 Gyr 0.625 0.934 1.087
11.55-12.84 Gyr 0.408 1.005 1.570