Exposure
ID
GRAVI.2024-02-14T03:03:27.696_1
Header ID
GRAVI.2024-02-14T03:03:27.696
Date updated
2024-02-14 03:15:37 UTC+0000
Release date
2025-02-14 03:15:37 UTC+0000
UTC Start
2024-02-14 03:03:27.696
UTC End
2024-02-14 03:07:27.696
MJD Start
60354.12740389
MJD End
60354.1301816678
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003804
Ambient temperature (°C)
16.38
Seeing (arcsec)
0.82
Observation
ID
58454
Category
science
Program ID
112.25Y8.001
Program Title
MUTUAL INCLINATIONS AND MASSES OF COMPACT GAIA TRIPLE SYSTEMS
Program Type
Normal
PI / COI
GARDNER/ TOKOVININ/ KRAUS/ LU
Target
ID
43267
Name
HD81157
RA
140.453966
DEC
-55.51428
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 82.1690 82.5580 95.9000 96.7000
A0-J2 125.6730 125.9690 74.4000 75.3000
A0-K0 127.9470 127.9680 56.1070 56.9890
G1-J2 57.7030 57.6460 42.9000 43.8000
G1-K0 83.4550 83.3450 17.0560 17.6910
J2-K0 40.3640 40.4670 338.4450 338.9480
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25Y8.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60354.12740389
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 81157
HIERARCH ESO INS SOBJ NAME HD81157
RA 140.453966
DEC -55.51428
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 82.169
HIERARCH ESO ISS PBL12 END 82.558
HIERARCH ESO ISS PBLA12 START 95.9
HIERARCH ESO ISS PBLA12 END 96.7
HIERARCH ESO ISS PBL13 START 125.673
HIERARCH ESO ISS PBL13 END 125.969
HIERARCH ESO ISS PBLA13 START 74.4
HIERARCH ESO ISS PBLA13 END 75.3
HIERARCH ESO ISS PBL14 START 127.947
HIERARCH ESO ISS PBL14 END 127.968
HIERARCH ESO ISS PBLA14 START 56.107
HIERARCH ESO ISS PBLA14 END 56.989
HIERARCH ESO ISS PBL23 START 57.703
HIERARCH ESO ISS PBL23 END 57.646
HIERARCH ESO ISS PBLA23 START 42.9
HIERARCH ESO ISS PBLA23 END 43.8
HIERARCH ESO ISS PBL24 START 83.455
HIERARCH ESO ISS PBL24 END 83.345
HIERARCH ESO ISS PBLA24 START 17.056
HIERARCH ESO ISS PBLA24 END 17.691
HIERARCH ESO ISS PBL34 START 40.364
HIERARCH ESO ISS PBL34 END 40.467
HIERARCH ESO ISS PBLA34 START 338.445
HIERARCH ESO ISS PBLA34 END 338.948
HIERARCH ESO ISS AMBI TAU0 START 0.003804
HIERARCH ESO ISS AMBI TAU0 END 0.003804
HIERARCH ESO ISS AMBI TEMP 16.38
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.82