2025qar

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Information

Transient

Name: AT2025qar
Right ascension: 15h41m35.66s
Declination: 0d40m28.04s
Discovery Date: July 1, 2025, 11:46 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.094

Host

Name: 1172414
Right ascension: 15h41m35.76s
Declination: 0d40m27.48s
Redshift: 0.086546
Photometric Redshift: 0.086

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	38.22
Transient MWEBV	processed	0.11
Host match	processed	4.32
Host information	processed	0.14
Host MWEBV	processed	0.04
Global aperture construction	processed	0.66
Global aperture photometry	processed	6.42
Validate global photometry	processed	17.89
Global host SED inference	processed	674.65
Local aperture photometry	processed	7.05
Validate local photometry	processed	0.03
Local host SED inference	processed	424.33

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) = 15h41m35.66s, 0d40m28.04s
semi major axis, semi minor axis (arcsec) = 1.23, 1.23
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_g	22.59	0.21	20.515	0.010	AB
PanSTARRS_r	38.53	0.35	19.935	0.010	AB
DES_r	40.8	0.44	19.873	0.012	AB
PanSTARRS_i	52.15	0.35	19.607	0.007	AB
PanSTARRS_z	64.32	0.81	19.379	0.014	AB
DES_z	63.04	1.35	19.401	0.023	AB
PanSTARRS_y	67.98	1.61	19.319	0.026	AB

Aperture details

RA, DEC (J2000) = 15h41m35.76s, 0d40m28.15s
semi major axis, semi minor axis (arcsec) = 9.63, 4.82
angle (degrees, anti-clockwise from east) = -132.42

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	15.93	3.14	20.894	0.214	AB
GALEX_NUV	21.14	1.03	20.587	0.053	AB
SDSS_u	89.94	6.05	19.015	0.073	AB
SDSS_g	196.33	4.53	18.168	0.025	AB
DES_g	198.78	0.71	18.154	0.004	AB
PanSTARRS_g	211.29	1.48	18.088	0.008	AB
SDSS_r	333.21	6.06	17.593	0.020	AB
PanSTARRS_r	344.09	1.84	17.558	0.006	AB
DES_r	346.34	1.4	17.551	0.004	AB
SDSS_i	480.21	9.05	17.196	0.020	AB
PanSTARRS_i	463.09	1.88	17.236	0.004	AB
PanSTARRS_z	536.76	4.34	17.076	0.009	AB
SDSS_z	640.37	25.62	16.884	0.043	AB
DES_z	524.75	4.1	17.100	0.008	AB
PanSTARRS_y	614.09	8.78	16.929	0.016	AB
2MASS_J	741.98	147.66	15.829	0.216	Vega
2MASS_H	977.84	198.76	15.057	0.221	Vega
2MASS_K	743.68	285.63	14.884	0.417	Vega
WISE_W1	367.67	15.27	14.787	0.045	Vega
WISE_W2	222.62	21.51	14.692	0.105	Vega
WISE_W3	913.37	97.32	11.324	0.116	Vega
WISE_W4	414.77	494.29	10.735	1.294	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

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Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.008	9.199	9.319
{\rm log}_{10}({\rm SFR})	-2.414	-1.366	-0.479
{\rm log}_{10}({\rm sSFR})	-11.645	-10.625	-9.633
{\rm stellar\ age}	2.092	5.589	7.155

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.557	-1.032	-0.544
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.578	-0.811	0.054

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.174	0.499	0.901
\delta	-0.563	-0.167	0.201
\tau_1/\tau_2	0.637	1.035	1.413
Q_{PAH}	1.396	3.188	5.346
U_{min}	3.272	9.125	16.662
{\rm log}_{10}(\gamma_e)\,	-3.032	-1.890	-0.598

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.392	-0.533	-0.059
{\rm log}_{10}(\tau_{AGN})\,	1.034	1.511	1.988

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.316	-1.870	-1.332
0.03-0.10 Gyr	-2.620	-1.304	-0.341
0.10-0.33 Gyr	-1.631	-0.751	0.006
0.33-1.07 Gyr	-1.651	-0.670	-0.209
1.07-3.48 Gyr	-1.879	-0.700	-0.385
3.48-11.36 Gyr	-2.720	-0.836	-0.546
11.36-12.62 Gyr	-2.923	-0.922	-0.331

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.128	10.226	10.361
{\rm log}_{10}({\rm SFR})	0.502	0.742	1.069
{\rm log}_{10}({\rm sSFR})	-9.775	-9.475	-9.187
{\rm stellar\ age}	6.830	7.865	11.337

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.344	-0.904	-0.640
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.339	0.271	0.430

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.155	0.228	0.370
\delta	-0.902	-0.689	-0.418
\tau_1/\tau_2	0.495	1.017	1.540
Q_{PAH}	0.590	1.391	2.572
U_{min}	2.799	8.247	16.288
{\rm log}_{10}(\gamma_e)\,	-3.096	-2.032	-1.373

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.676	-2.363	-1.815
{\rm log}_{10}(\tau_{AGN})\,	0.957	1.352	1.771

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.971	-0.340	-0.049
0.03-0.10 Gyr	0.649	0.894	1.224
0.10-0.33 Gyr	-2.949	-0.887	0.121
0.33-1.07 Gyr	-4.364	-0.930	-0.137
1.07-3.48 Gyr	-3.015	-0.614	0.066
3.48-11.36 Gyr	-0.708	0.281	0.475
11.36-12.62 Gyr	-0.082	0.657	1.463