2025iv

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Information

Transient

Name: AT2025iv
Right ascension: 2h07m27.25s
Declination: 19d11m36.68s
Discovery Date: Jan. 9, 2025, 7:40 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.097

Host

Name: 2025iv
Right ascension: 2h07m27.55s
Declination: 19d11m42.36s
Redshift: 0.016995
Photometric Redshift: 0.027
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.17
Cutout download processed 18.61
Global aperture construction processed 0.59
Local aperture photometry processed 6.44
Global aperture photometry processed 6.95
Validate local photometry processed 0.03
Validate global photometry processed 17.51
Host information processed 0.08
Global host SED inference processed 470.2
Local host SED inference processed 644.34
Transient information processed 0.0
Transient MWEBV processed 0.1
Host MWEBV processed 0.05
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) = 2h07m27.25s, 19d11m36.68s
semi major axis, semi minor axis (arcsec) = 5.79, 5.79
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 100.34 5.77 18.896 0.062
GALEX_NUV 119.7 3.62 18.705 0.033
SDSS_u 291.66 7.07 17.738 0.026
SDSS_g 544.79 6.31 17.059 0.013
DES_g 582.74 1.16 16.986 0.002
PanSTARRS_g 565.14 1.53 17.020 0.003
SDSS_r 702.36 7.37 16.784 0.011
PanSTARRS_r 724.33 2.15 16.750 0.003
DES_r 750.11 2.77 16.712 0.004
SDSS_i 770.28 7.97 16.683 0.011
PanSTARRS_i 782.78 2.37 16.666 0.003
PanSTARRS_z 873.99 3.63 16.546 0.005
SDSS_z 866.76 14.71 16.555 0.018
DES_z 905.64 6.26 16.508 0.008
PanSTARRS_y 992.25 9.27 16.408 0.010
2MASS_J 972.61 120.01 15.535 0.134
2MASS_H 952.39 162.38 15.085 0.185
2MASS_K 1007.62 216.52 14.554 0.233

Aperture details

RA, DEC (J2000) = 2h07m27.55s, 19d11m41.23s
semi major axis, semi minor axis (arcsec) = 19.88, 14.27
angle (degrees, anti-clockwise from east) = -147.82

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_NUV 436.92 7.46 17.299 0.019
SDSS_g 1789.31 12.3 15.768 0.007
DES_g 1905.47 2.23 15.700 0.001
PanSTARRS_g 1859.69 4.38 15.726 0.003
SDSS_r 2460.77 15.16 15.422 0.007
PanSTARRS_r 2362.59 6.08 15.467 0.003
DES_r 2574.24 5.37 15.373 0.002
SDSS_i 2826.19 17.12 15.272 0.007
PanSTARRS_i 2659.16 6.77 15.338 0.003
PanSTARRS_z 2997.28 10.37 15.208 0.004
SDSS_z 3117.51 39.62 15.165 0.014
DES_z 3177.15 12.18 15.145 0.004
PanSTARRS_y 3152.85 26.48 15.153 0.009
2MASS_J 3293.13 381.54 14.211 0.126
2MASS_H 3537.82 514.26 13.661 0.158
2MASS_K 2589.15 689.64 13.529 0.289
WISE_W1 1749.49 31.46 13.094 0.020
WISE_W2 999.98 49.09 13.061 0.053
WISE_W3 3300.13 196.14 9.930 0.065
WISE_W4 9802.82 1456.32 7.302 0.161
 

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})\, 8.119 8.485 8.796
{\rm log}_{10}({\rm SFR}) -0.055 0.205 0.483
{\rm log}_{10}({\rm sSFR}) -8.746 -8.112 -7.914
{\rm stellar\ age} 0.066 0.851 6.338

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.607 -1.169 -0.625
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.585 -0.001 0.283

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.176 0.588 0.946
\delta -0.660 -0.136 0.032
\tau_1/\tau_2 0.547 1.092 1.587
Q_{PAH} 0.255 1.111 2.593
U_{min} 3.665 10.160 18.238
{\rm log}_{10}(\gamma_e)\, -3.494 -2.123 -0.958

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.388 -3.141 -0.823
{\rm log}_{10}(\tau_{AGN})\, 0.924 1.363 1.910

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.341 -1.040 -0.757
0.03-0.10 Gyr 0.099 0.362 0.641
0.10-0.33 Gyr -3.538 -1.946 -0.550
0.33-1.10 Gyr -5.932 -3.194 -1.304
1.10-3.67 Gyr -7.222 -3.580 -1.434
3.67-12.18 Gyr -8.175 -3.639 -1.454
12.18-13.53 Gyr -8.401 -3.330 -1.078

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.858 9.103 9.267
{\rm log}_{10}({\rm SFR}) -0.319 0.079 0.394
{\rm log}_{10}({\rm sSFR}) -9.491 -9.071 -8.564
{\rm stellar\ age} 1.383 4.763 6.770

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.938 -0.701 -0.506
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.913 -1.719 -1.291

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.085 0.162 0.278
\delta -0.562 -0.008 0.306
\tau_1/\tau_2 0.531 0.924 1.337
Q_{PAH} 0.478 1.174 2.792
U_{min} 3.335 8.660 15.559
{\rm log}_{10}(\gamma_e)\, -3.304 -2.437 -1.664

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.209 -3.209 -2.418
{\rm log}_{10}(\tau_{AGN})\, 0.926 1.320 1.837

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.354 -0.775 -0.566
0.03-0.10 Gyr -0.221 0.222 0.551
0.10-0.33 Gyr -1.067 -0.091 0.288
0.33-1.10 Gyr -2.075 -0.755 -0.333
1.10-3.67 Gyr -2.216 -0.925 -0.585
3.67-12.18 Gyr -2.799 -1.110 -0.709
12.18-13.53 Gyr -2.860 -1.113 -0.483