2025agrm

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Information

Transient

Name: AT2025agrm
Right ascension: 1h21m47.32s
Declination: -0d46m48.58s
Discovery Date: Dec. 7, 2025, 3:17 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.039

Host

Name: 144070
Right ascension: 1h21m47.17s
Declination: -0d46m43.59s
Redshift: 0.053335
Photometric Redshift:
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.76
Transient MWEBV processed 0.06
Host match processed 4.26
Host information processed 0.1
Host MWEBV processed 0.06
Global aperture construction processed 0.62
Global aperture photometry processed 6.27
Validate global photometry processed 14.49
Global host SED inference processed 422.44
Local aperture photometry processed 5.12
Validate local photometry processed 0.02
Local host SED inference processed 478.74
 

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) = 1h21m47.32s, -0d46m48.58s
semi major axis, semi minor axis (arcsec) = 1.93, 1.93
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 48.07 4.05 19.695 0.092 AB
SDSS_g 111.34 3.21 18.783 0.031 AB
PanSTARRS_g 102.68 0.53 18.871 0.006 AB
SDSS_r 143.5 3.56 18.508 0.027 AB
PanSTARRS_r 133.14 0.48 18.589 0.004 AB
SDSS_i 180.22 4.07 18.260 0.025 AB
PanSTARRS_i 163.63 0.58 18.365 0.004 AB
PanSTARRS_z 173.63 1.17 18.301 0.007 AB
SDSS_z 193.49 6.8 18.183 0.038 AB
PanSTARRS_y 198.4 3.4 18.156 0.019 AB

Aperture details

RA, DEC (J2000) = 1h21m47.17s, -0d46m44.54s
semi major axis, semi minor axis (arcsec) = 13.86, 12.21
angle (degrees, anti-clockwise from east) = -113.67

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 154.52 2.85 18.428 0.020 AB
SDSS_u 763.12 25.86 16.694 0.037 AB
SDSS_g 1709.56 15.78 15.818 0.010 AB
PanSTARRS_g 1711.51 3.41 15.817 0.002 AB
SDSS_r 2438.31 17.45 15.432 0.008 AB
PanSTARRS_r 2432.3 3.04 15.435 0.001 AB
SDSS_i 3122.56 20.43 15.164 0.007 AB
PanSTARRS_i 3142.59 3.75 15.157 0.001 AB
PanSTARRS_z 3416.46 7.76 15.066 0.002 AB
SDSS_z 3569.22 42.13 15.019 0.013 AB
PanSTARRS_y 4052.98 22.97 14.881 0.006 AB
2MASS_J 4504.77 278.22 13.871 0.067 Vega
2MASS_H 4368.0 500.97 13.432 0.125 Vega
2MASS_K 5609.09 532.19 12.690 0.103 Vega
WISE_W1 2534.39 31.1 12.691 0.013 Vega
WISE_W2 1722.67 38.96 12.470 0.025 Vega
WISE_W3 10832.75 148.53 8.639 0.015 Vega
WISE_W4 10642.67 1086.39 7.212 0.111 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.773 9.060 9.224
{\rm log}_{10}({\rm SFR}) -1.165 -0.220 0.514
{\rm log}_{10}({\rm sSFR}) -10.352 -9.342 -8.239
{\rm stellar\ age} 0.477 4.502 7.017

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.769 -1.334 -0.765
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.251 -0.182 0.244

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.117 0.486 0.975
\delta -0.680 -0.236 0.080
\tau_1/\tau_2 0.621 1.047 1.480
Q_{PAH} 0.432 2.023 4.522
U_{min} 3.555 9.519 17.494
{\rm log}_{10}(\gamma_e)\, -3.364 -1.874 -0.773

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.659 -1.437 -0.170
{\rm log}_{10}(\tau_{AGN})\, 1.024 1.408 1.922

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.022 -1.302 -0.828
0.03-0.10 Gyr -1.108 -0.079 0.672
0.10-0.33 Gyr -1.742 -0.488 0.216
0.33-1.08 Gyr -3.350 -0.968 -0.448
1.08-3.57 Gyr -3.532 -1.066 -0.582
3.57-11.74 Gyr -4.124 -1.256 -0.720
11.74-13.04 Gyr -4.312 -1.289 -0.484

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.899 10.201 10.325
{\rm log}_{10}({\rm SFR}) 1.084 1.328 1.576
{\rm log}_{10}({\rm sSFR}) -9.227 -8.881 -8.365
{\rm stellar\ age} 2.437 5.461 7.041

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.394 -0.253 -0.157
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.174 0.328 0.434

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.209 0.326 0.484
\delta -0.850 -0.620 -0.446
\tau_1/\tau_2 0.658 1.040 1.410
Q_{PAH} 0.636 1.245 2.000
U_{min} 2.345 6.389 12.941
{\rm log}_{10}(\gamma_e)\, -3.379 -2.599 -1.977

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.783 -2.091 -1.668
{\rm log}_{10}(\tau_{AGN})\, 1.032 1.466 1.839

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.315 0.524 0.690
0.03-0.10 Gyr 1.212 1.469 1.726
0.10-0.33 Gyr -0.734 0.426 0.944
0.33-1.08 Gyr -0.855 0.113 0.534
1.08-3.57 Gyr -0.557 0.161 0.474
3.57-11.74 Gyr -0.862 0.103 0.395
11.74-13.04 Gyr -0.931 0.110 0.664