2025ar

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Information

Transient

Name: AT2025ar
Right ascension: 4h16m55.72s
Declination: -9d01m56.97s
Discovery Date: Jan. 2, 2025, 5:03 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.046

Host

Name: 2025ar
Right ascension: 4h16m55.71s
Declination: -9d01m55.84s
Redshift: None
Photometric Redshift: 0.099

Processing Status

Task Name	Status	Time taken (s)
Host match	processed	2.5
Cutout download	processed	11.7
Global aperture construction	processed	0.78
Local aperture photometry	processed	6.52
Global aperture photometry	processed	6.6
Validate local photometry	processed	0.03
Validate global photometry	processed	18.44
Host information	processed	0.1
Global host SED inference	processed	638.06
Local host SED inference	processed	653.41
Transient information	processed	0.0
Transient MWEBV	processed	0.08
Host MWEBV	processed	0.08
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) = 4h16m55.72s, -9d01m56.97s
semi major axis, semi minor axis (arcsec) = 1.1, 1.1
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
DES_r	34.43	0.41	20.058	0.013	AB
PanSTARRS_z	46.51	0.82	19.731	0.019	AB
DES_z	62.89	1.16	19.403	0.020	AB
PanSTARRS_y	53.26	2.0	19.584	0.041	AB

Aperture details

RA, DEC (J2000) = 4h16m55.71s, -9d01m55.72s
semi major axis, semi minor axis (arcsec) = 4.35, 4.18
angle (degrees, anti-clockwise from east) = -102.47

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
GALEX_FUV	5.54	2.39	22.041	0.469	AB
GALEX_NUV	-0.52	2.3			AB
DES_g	68.23	0.44	19.315	0.007	AB
PanSTARRS_g	78.61	1.24	19.161	0.017	AB
PanSTARRS_r	142.37	1.34	18.516	0.010	AB
DES_r	158.13	0.95	18.402	0.007	AB
PanSTARRS_i	206.5	1.09	18.113	0.006	AB
PanSTARRS_z	270.27	2.97	17.820	0.012	AB
DES_z	275.5	2.55	17.800	0.010	AB
PanSTARRS_y	283.74	7.23	17.768	0.028	AB
2MASS_J	474.16	135.69	16.315	0.311	Vega
2MASS_H	139.12	218.93	17.174	1.709	Vega
2MASS_K	12.17	260.33	19.349	23.220	Vega
WISE_W1	174.99	10.77	15.593	0.067	Vega
WISE_W2	116.09	15.4	15.399	0.144	Vega
WISE_W3	-26.84	80.06			Vega
WISE_W4	-26.72	606.91			Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	8.988	9.232	9.391
${\rm log}_{10}({\rm SFR})$	-1.230	-0.506	0.163
${\rm log}_{10}({\rm sSFR})$	-10.552	-9.774	-8.924
${\rm stellar\ age}$	1.215	5.492	7.394

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.393	-0.529	-0.017
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.360	-0.596	0.161

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.287	0.749	1.259
$\delta$	-0.518	-0.135	0.163
$\tau_1/\tau_2$	0.614	1.002	1.376
$Q_{PAH}$	1.060	3.038	5.380
$U_{min}$	3.155	8.069	15.292
${\rm log}_{10}(\gamma_e)\,$	-2.960	-1.801	-0.673

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-2.802	-0.628	0.113
${\rm log}_{10}(\tau_{AGN})\,$	1.163	1.559	2.035

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.250	-0.599	-0.076
0.03-0.10 Gyr	-1.704	-0.594	0.220
0.10-0.33 Gyr	-1.727	-0.648	0.101
0.33-1.06 Gyr	-1.637	-0.688	-0.082
1.06-3.45 Gyr	-2.223	-0.839	-0.465
3.45-11.22 Gyr	-2.416	-0.829	-0.464
11.22-12.47 Gyr	-2.392	-0.845	-0.196

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	10.043	10.132	10.236
${\rm log}_{10}({\rm SFR})$	-2.684	-1.102	-0.353
${\rm log}_{10}({\rm sSFR})$	-12.744	-11.164	-10.448
${\rm stellar\ age}$	6.627	7.648	11.108

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.420	-1.011	-0.711
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.555	-0.733	0.051

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.230	0.407	0.590
$\delta$	-0.742	-0.411	-0.102
$\tau_1/\tau_2$	0.555	0.927	1.327
$Q_{PAH}$	1.188	3.003	5.121
$U_{min}$	3.217	9.050	16.304
${\rm log}_{10}(\gamma_e)\,$	-2.388	-1.277	-0.350

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-3.611	-2.207	-1.323
${\rm log}_{10}(\tau_{AGN})\,$	1.039	1.502	1.890

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.849	-1.622	-0.933
0.03-0.10 Gyr	-2.906	-1.063	-0.224
0.10-0.33 Gyr	-2.942	-1.009	-0.232
0.33-1.06 Gyr	-3.246	-1.065	-0.293
1.06-3.45 Gyr	-2.199	-0.408	0.173
3.45-11.22 Gyr	-0.917	0.261	0.424
11.22-12.47 Gyr	-0.462	0.465	1.335