2025obj results

Information

Transient
Name:AT2025obj
Right ascension: 20h43m15.28s
Declination:27d03m38.53s
Discovery Date:June 19, 2025, 8:55 a.m.
Classification:None
Redshift:None
MW E(B-V):0.229
Host
Name:
Right ascension: 20h43m15.49s
Declination:27d03m38.83s
Redshift:0.064201
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
GALEX_NUV
PanSTARRS_g
PanSTARRS_r
 GALEX_FUV
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
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 3.94
Transient MWEBV processed 0.05
Host match processed 7.11
Host information processed 0.15
Host MWEBV processed 0.05
Global aperture construction processed 1.02
Global aperture photometry processed 1.84
Validate global photometry processed 7.38
Global host SED inference processed 777.75
Local aperture photometry processed 2.25
Validate local photometry processed 0.01
Local host SED inference processed 734.15
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):20h43m15.28s, 27d03m38.53s
semi major axis, semi minor axis (arcsec):1.62, 1.62
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 61.49 0.45 19.428 0.008 AB
PanSTARRS_r 146.24 0.58 18.487 0.004 AB

Aperture details

RA, DEC (J2000):20h43m15.50s, 27d03m39.17s
semi major axis, semi minor axis (arcsec):11.41, 9.78
angle (degrees, anti-clockwise from east):-107.45
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 22.06 3.7 20.541 0.182 AB
PanSTARRS_g 2239.26 2.93 15.525 0.001 AB
PanSTARRS_r 4900.76 3.67 14.674 0.001 AB
2MASS_K 12405.73 427.75 11.828 0.037 Vega
WISE_W1 4890.54 111.36 11.978 0.025 Vega
WISE_W2 2775.7 76.16 11.953 0.030 Vega
WISE_W3 2830.58 98.67 10.096 0.038 Vega
WISE_W4 1887.99 600.53 9.090 0.345 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.620 9.903 10.104
{\rm log}_{10}({\rm SFR}) -0.655 0.047 0.767
{\rm log}_{10}({\rm sSFR}) -10.620 -9.801 -8.896
{\rm stellar\ age} 3.836 7.086 9.827

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.663 -0.737 -0.034
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.466 -0.085 0.212

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.457 0.922 1.565
\delta -0.646 -0.364 0.065
\tau_1/\tau_2 0.623 1.062 1.482
Q_{PAH} 0.312 1.415 3.391
U_{min} 2.944 8.022 16.044
{\rm log}_{10}(\gamma_e)\, -3.515 -2.281 -0.694

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.243 -1.970 -0.214
{\rm log}_{10}(\tau_{AGN})\, 0.931 1.280 1.910

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.681 0.058 0.618
0.03-0.10 Gyr -1.219 -0.071 0.818
0.10-0.33 Gyr -1.716 -0.475 0.274
0.33-1.08 Gyr -2.042 -0.499 0.103
1.08-3.54 Gyr -1.985 -0.381 0.107
3.54-11.61 Gyr -1.311 -0.145 0.201
11.61-12.90 Gyr -1.125 0.051 0.939

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.289 11.380 11.462
{\rm log}_{10}({\rm SFR}) -4.980 -2.168 -0.715
{\rm log}_{10}({\rm sSFR}) -16.494 -13.593 -12.057
{\rm stellar\ age} 7.574 10.347 12.247

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.819 -1.625 -1.403
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.498 -0.575 0.231

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.044 0.097 0.169
\delta -0.850 -0.567 -0.218
\tau_1/\tau_2 0.373 0.902 1.485
Q_{PAH} 0.906 2.277 4.573
U_{min} 4.307 11.566 19.426
{\rm log}_{10}(\gamma_e)\, -2.769 -1.769 -0.735

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.451 -3.521 -2.550
{\rm log}_{10}(\tau_{AGN})\, 1.170 1.677 1.993

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -6.251 -3.006 -0.961
0.03-0.10 Gyr -5.883 -2.882 -0.769
0.10-0.33 Gyr -5.718 -3.203 -0.922
0.33-1.08 Gyr -5.255 -2.777 -0.629
1.08-3.54 Gyr -3.287 -1.596 0.293
3.54-11.61 Gyr -1.393 1.185 1.631
11.61-12.90 Gyr -0.545 2.305 2.609