2025chi results

Information

Transient
Name:AT2025chi
Right ascension: 6h57m51.12s
Declination:42d31m44.01s
Discovery Date:Feb. 22, 2025, 1:49 a.m.
Classification:None
Redshift:None
MW E(B-V):0.092
Host
Name:2025chi
Right ascension: 6h57m51.43s
Declination:42d31m50.74s
Redshift:0.045082
Photometric Redshift:0.082
 

Cutout Download Report

Downloaded Unavailable
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
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 2.31
Transient MWEBV processed 0.04
Host match processed 2.07
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 4.18
Validate global photometry processed 13.82
Global host SED inference processed 418.42
Local aperture photometry processed 4.14
Validate local photometry processed 0.02
Local host SED inference processed 424.62
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):6h57m51.12s, 42d31m44.01s
semi major axis, semi minor axis (arcsec):2.26, 2.26
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 14.86 0.54 20.970 0.039 AB
PanSTARRS_r 30.48 0.67 20.190 0.024 AB
PanSTARRS_i 44.89 0.55 19.770 0.013 AB
PanSTARRS_z 58.66 1.54 19.479 0.028 AB
PanSTARRS_y 67.59 3.57 19.325 0.057 AB

Aperture details

RA, DEC (J2000):6h57m51.43s, 42d31m51.00s
semi major axis, semi minor axis (arcsec):12.5, 6.08
angle (degrees, anti-clockwise from east):-162.13
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 12.33 3.88 21.172 0.342 AB
GALEX_NUV 13.31 4.0 21.089 0.326 AB
PanSTARRS_g 405.63 2.07 17.380 0.006 AB
PanSTARRS_r 857.56 2.56 16.567 0.003 AB
PanSTARRS_i 1270.18 2.14 16.140 0.002 AB
PanSTARRS_z 1656.24 5.84 15.852 0.004 AB
PanSTARRS_y 1892.75 13.72 15.707 0.008 AB
2MASS_J 2915.61 210.84 14.343 0.079 Vega
2MASS_H 3181.99 300.18 13.776 0.102 Vega
2MASS_K 2859.5 334.7 13.421 0.127 Vega
WISE_W1 1371.2 31.47 13.358 0.025 Vega
WISE_W2 844.7 33.09 13.244 0.043 Vega
WISE_W3 1316.46 104.5 10.927 0.086 Vega
WISE_W4 232.74 452.32 11.363 2.110 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.734 8.858 8.992
{\rm log}_{10}({\rm SFR}) -2.178 -1.542 -0.929
{\rm log}_{10}({\rm sSFR}) -11.099 -10.471 -9.746
{\rm stellar\ age} 5.502 7.237 8.972

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.313 -0.715 -0.210
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.750 -1.014 0.094

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.476 0.968 1.437
\delta -0.281 -0.029 0.207
\tau_1/\tau_2 0.648 0.993 1.335
Q_{PAH} 0.652 2.228 4.596
U_{min} 2.879 8.050 15.308
{\rm log}_{10}(\gamma_e)\, -2.911 -1.511 -0.459

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.991 -0.795 -0.055
{\rm log}_{10}(\tau_{AGN})\, 1.134 1.588 1.964

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.408 -1.633 -1.085
0.03-0.10 Gyr -2.315 -1.621 -0.906
0.10-0.33 Gyr -2.340 -1.579 -0.953
0.33-1.09 Gyr -2.507 -1.549 -1.000
1.09-3.59 Gyr -2.203 -1.214 -0.934
3.59-11.84 Gyr -1.566 -1.066 -0.872
11.84-13.15 Gyr -1.683 -1.000 -0.357

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.306 10.377 10.447
{\rm log}_{10}({\rm SFR}) -1.129 -0.713 -0.244
{\rm log}_{10}({\rm sSFR}) -11.530 -11.061 -10.602
{\rm stellar\ age} 8.117 10.691 12.401

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.754 -0.518 -0.341
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.698 -0.773 0.192

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.199 0.329 0.525
\delta -0.280 -0.024 0.213
\tau_1/\tau_2 0.548 0.979 1.425
Q_{PAH} 0.358 1.128 3.259
U_{min} 2.781 7.864 15.292
{\rm log}_{10}(\gamma_e)\, -2.965 -1.739 -0.911

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.008 -2.831 -1.900
{\rm log}_{10}(\tau_{AGN})\, 1.099 1.600 1.956

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.575 -0.893 -0.504
0.03-0.10 Gyr -1.445 -0.711 -0.137
0.10-0.33 Gyr -2.692 -1.087 -0.493
0.33-1.09 Gyr -3.702 -1.357 -0.688
1.09-3.59 Gyr -3.126 -1.199 -0.436
3.59-11.84 Gyr -1.350 0.235 0.557
11.84-13.15 Gyr 0.496 1.311 1.568