Exposure
ID
GRAVI.2024-07-02T08:57:08.245_1
Header ID
GRAVI.2024-07-02T08:57:08.245
Date updated
2024-07-02 09:10:43 UTC+0000
Release date
2025-07-02 09:10:43 UTC+0000
UTC Start
2024-07-02 08:57:08.245
UTC End
2024-07-02 09:01:08.245
MJD Start
60493.37301209
MJD End
60493.3757898678
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.009171
Ambient temperature (°C)
13.89
Seeing (arcsec)
0.515
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 85.2550 84.7140 112.1000 112.1000
A0-J2 128.0390 127.6870 91.5000 91.3000
A0-K0 127.6430 127.7890 73.2120 73.0740
G1-J2 56.7970 56.9970 59.6000 59.6000
G1-K0 81.3140 81.7070 32.0800 32.3610
J2-K0 40.5650 40.4950 351.7810 352.3310
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 60493.37301209
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 85.255
HIERARCH ESO ISS PBL12 END 84.714
HIERARCH ESO ISS PBLA12 START 112.1
HIERARCH ESO ISS PBLA12 END 112.1
HIERARCH ESO ISS PBL13 START 128.039
HIERARCH ESO ISS PBL13 END 127.687
HIERARCH ESO ISS PBLA13 START 91.5
HIERARCH ESO ISS PBLA13 END 91.3
HIERARCH ESO ISS PBL14 START 127.643
HIERARCH ESO ISS PBL14 END 127.789
HIERARCH ESO ISS PBLA14 START 73.212
HIERARCH ESO ISS PBLA14 END 73.074
HIERARCH ESO ISS PBL23 START 56.797
HIERARCH ESO ISS PBL23 END 56.997
HIERARCH ESO ISS PBLA23 START 59.6
HIERARCH ESO ISS PBLA23 END 59.6
HIERARCH ESO ISS PBL24 START 81.314
HIERARCH ESO ISS PBL24 END 81.707
HIERARCH ESO ISS PBLA24 START 32.08
HIERARCH ESO ISS PBLA24 END 32.361
HIERARCH ESO ISS PBL34 START 40.565
HIERARCH ESO ISS PBL34 END 40.495
HIERARCH ESO ISS PBLA34 START 351.781
HIERARCH ESO ISS PBLA34 END 352.331
HIERARCH ESO ISS AMBI TAU0 START 0.010405
HIERARCH ESO ISS AMBI TAU0 END 0.007937
HIERARCH ESO ISS AMBI TEMP 13.89
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.59
HIERARCH ESO FT ROBJ NAME TYC_1151-482-1
HIERARCH ESO FT ROBJ ALPHA 223230.558
HIERARCH ESO FT ROBJ DELTA 081236.148