2025hcg

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Information

Transient

Name: AT2025hcg
Right ascension: 23h06m22.80s
Declination: 29d28m25.56s
Discovery Date: April 8, 2025, 12:13 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.069

Host

Name: 2025hcg
Right ascension: 23h06m20.69s
Declination: 29d27m47.46s
Redshift: None
Photometric Redshift: 0.072
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.08
Cutout download processed 20.26
Global aperture construction processed 0.68
Local aperture photometry processed 7.25
Global aperture photometry processed 7.54
Validate local photometry processed 0.03
Validate global photometry processed 19.57
Host information processed 0.1
Global host SED inference processed 610.33
Local host SED inference processed 424.32
Transient information processed 0.0
Transient MWEBV processed 0.14
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) = 23h06m22.80s, 29d28m25.56s
semi major axis, semi minor axis (arcsec) = 1.45, 1.45
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 2.27 0.59 23.008 0.280 AB
DES_g 3.26 0.1 22.618 0.033 AB
PanSTARRS_g 1.92 0.31 23.189 0.178 AB
SDSS_r 4.72 0.98 22.215 0.225 AB
PanSTARRS_r 3.23 0.45 22.628 0.150 AB
DES_r 4.78 0.26 22.202 0.059 AB
SDSS_i 5.46 1.47 22.057 0.293 AB
PanSTARRS_i 5.2 0.44 22.111 0.092 AB
PanSTARRS_z 4.65 0.93 22.232 0.217 AB
SDSS_z 6.24 4.65 21.911 0.808 AB
DES_z 5.52 1.33 22.044 0.261 AB
PanSTARRS_y 7.22 2.12 21.754 0.318 AB

Aperture details

RA, DEC (J2000) = 23h06m20.68s, 29d27m47.59s
semi major axis, semi minor axis (arcsec) = 7.08, 5.78
angle (degrees, anti-clockwise from east) = -113.9

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 7.25 2.32 21.749 0.348 AB
SDSS_u 93.25 7.87 18.976 0.092 AB
SDSS_g 319.4 4.99 17.639 0.017 AB
DES_g 359.87 0.78 17.510 0.002 AB
PanSTARRS_g 363.25 1.57 17.500 0.005 AB
SDSS_r 754.43 7.91 16.706 0.011 AB
PanSTARRS_r 769.15 2.16 16.685 0.003 AB
DES_r 819.22 2.61 16.616 0.003 AB
SDSS_i 1108.61 10.41 16.288 0.010 AB
PanSTARRS_i 1122.78 2.1 16.274 0.002 AB
PanSTARRS_z 1400.33 4.58 16.034 0.004 AB
SDSS_z 1407.88 22.37 16.029 0.017 AB
DES_z 1409.44 14.25 16.027 0.011 AB
PanSTARRS_y 1642.91 10.49 15.861 0.007 AB
2MASS_J 2174.34 146.08 14.662 0.073 Vega
2MASS_H 2798.89 259.26 13.915 0.101 Vega
2MASS_K 2490.37 241.12 13.572 0.105 Vega
WISE_W1 874.94 20.71 13.846 0.026 Vega
WISE_W2 524.78 22.71 13.761 0.047 Vega
WISE_W3 359.36 87.19 12.337 0.263 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})\, 7.601 7.883 8.100
{\rm log}_{10}({\rm SFR}) -1.658 -1.288 -0.872
{\rm log}_{10}({\rm sSFR}) -9.655 -9.169 -8.570
{\rm stellar\ age} 1.527 4.792 6.522

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.477 -0.605 -0.051
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.645 -0.393 0.241

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.425 0.796 1.269
\delta -0.230 0.099 0.285
\tau_1/\tau_2 0.792 1.127 1.485
Q_{PAH} 1.051 2.621 4.812
U_{min} 2.980 7.818 14.791
{\rm log}_{10}(\gamma_e)\, -2.790 -1.724 -0.667

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -0.916 -0.182 0.227
{\rm log}_{10}(\tau_{AGN})\, 1.050 1.478 1.822

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.544 -1.205 -0.801
0.03-0.10 Gyr -1.848 -1.364 -0.890
0.10-0.33 Gyr -2.020 -1.554 -1.107
0.33-1.07 Gyr -2.393 -1.806 -1.475
1.07-3.52 Gyr -3.070 -2.039 -1.728
3.52-11.52 Gyr -3.354 -2.208 -1.826
11.52-12.80 Gyr -3.408 -2.260 -1.674

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.672 10.762 10.805
{\rm log}_{10}({\rm SFR}) -5.524 -2.453 -0.877
{\rm log}_{10}({\rm sSFR}) -16.040 -13.172 -11.598
{\rm stellar\ age} 9.118 12.114 12.157

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.559 -1.285 -1.033
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.338 -0.231 0.320

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.261 0.385 0.512
\delta -0.421 -0.158 0.035
\tau_1/\tau_2 0.511 0.998 1.507
Q_{PAH} 0.505 1.269 2.644
U_{min} 4.657 11.848 19.356
{\rm log}_{10}(\gamma_e)\, -2.881 -1.725 -1.085

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.519 -3.517 -2.494
{\rm log}_{10}(\tau_{AGN})\, 1.073 1.589 1.971

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -7.053 -3.889 -1.689
0.03-0.10 Gyr -6.270 -2.701 -0.759
0.10-0.33 Gyr -7.061 -4.116 -1.522
0.33-1.07 Gyr -7.852 -5.341 -2.769
1.07-3.52 Gyr -5.277 -3.399 -1.605
3.52-11.52 Gyr -2.468 -1.110 0.808
11.52-12.80 Gyr 1.338 1.903 1.954