Exposure
ID
GRAVI.2024-07-02T09:06:26.268_1
Header ID
GRAVI.2024-07-02T09:06:26.268
Date updated
2024-07-02 09:20:48 UTC+0000
Release date
2025-07-02 09:20:48 UTC+0000
UTC Start
2024-07-02 09:06:26.268
UTC End
2024-07-02 09:10:26.268
MJD Start
60493.3794707
MJD End
60493.3822484778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0087505
Ambient temperature (°C)
14.13
Seeing (arcsec)
0.42
Observation
ID
59849
Category
science
Program ID
113.26MN.001
Program Title
CAN GRAVITY-WIDE ON THE ATS BE USED TO RESOLVE AGN?
Program Type
Normal
PI / COI
TRISTRAM
Target
ID
44404
Name
Akn_557
RA
338.127878
DEC
8.20863
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 84.0630 83.4670 112.1000 112.1000
A0-J2 127.2290 126.7810 91.1000 91.0000
A0-K0 127.9060 127.9640 72.9100 72.7610
G1-J2 57.2080 57.3760 59.5000 59.4000
G1-K0 82.1500 82.5310 32.6670 32.9220
J2-K0 40.4210 40.3610 352.9660 353.5260
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26MN.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60493.3794707
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME Akn 557
HIERARCH ESO INS SOBJ NAME Akn_557
RA 338.127878
DEC 8.20863
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 263.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 84.063
HIERARCH ESO ISS PBL12 END 83.467
HIERARCH ESO ISS PBLA12 START 112.1
HIERARCH ESO ISS PBLA12 END 112.1
HIERARCH ESO ISS PBL13 START 127.229
HIERARCH ESO ISS PBL13 END 126.781
HIERARCH ESO ISS PBLA13 START 91.1
HIERARCH ESO ISS PBLA13 END 91.0
HIERARCH ESO ISS PBL14 START 127.906
HIERARCH ESO ISS PBL14 END 127.964
HIERARCH ESO ISS PBLA14 START 72.91
HIERARCH ESO ISS PBLA14 END 72.761
HIERARCH ESO ISS PBL23 START 57.208
HIERARCH ESO ISS PBL23 END 57.376
HIERARCH ESO ISS PBLA23 START 59.5
HIERARCH ESO ISS PBLA23 END 59.4
HIERARCH ESO ISS PBL24 START 82.15
HIERARCH ESO ISS PBL24 END 82.531
HIERARCH ESO ISS PBLA24 START 32.667
HIERARCH ESO ISS PBLA24 END 32.922
HIERARCH ESO ISS PBL34 START 40.421
HIERARCH ESO ISS PBL34 END 40.361
HIERARCH ESO ISS PBLA34 START 352.966
HIERARCH ESO ISS PBLA34 END 353.526
HIERARCH ESO ISS AMBI TAU0 START 0.009013
HIERARCH ESO ISS AMBI TAU0 END 0.008488
HIERARCH ESO ISS AMBI TEMP 14.13
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.44
HIERARCH ESO FT ROBJ NAME TYC_1151-482-1
HIERARCH ESO FT ROBJ ALPHA 223230.558
HIERARCH ESO FT ROBJ DELTA 081236.148