Exposure
ID
GRAVI.2023-08-18T04:54:53.073_1
Header ID
GRAVI.2023-08-18T04:54:53.073
Date updated
2023-08-18 05:05:26 UTC+0000
Release date
2024-08-18 05:05:26 UTC+0000
UTC Start
2023-08-18 04:54:53.073
UTC End
2023-08-18 04:56:13.073
MJD Start
60174.20478094
MJD End
60174.20570686593
Exposure time (s)
80.0
Validation level
1
Tau 0: Coherence time (s)
0.0031130000000000003
Ambient temperature (°C)
10.88
Seeing (arcsec)
0.605
Observation
ID
56628
Category
science
Program ID
111.24N4.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART III
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ KERVELLA/ MÉRAND/ GIEREN/ GRACZYK
Target
ID
41959
Name
alpha_Equ
RA
318.954041
DEC
5.24735
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 83.8480 83.6350 113.2000 113.2000
A0-J2 126.5680 126.3890 91.5000 91.5000
A0-K0 127.9980 127.9880 72.6710 72.6270
G1-J2 57.7010 57.7460 59.0000 59.0000
G1-K0 84.2770 84.3960 32.3770 32.4610
J2-K0 41.6930 41.6750 354.0300 354.2190
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24N4.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60174.20478094
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME alpha-Equ
HIERARCH ESO INS SOBJ NAME alpha_Equ
RA 318.954041
DEC 5.24735
HIERARCH ESO INS SPEC RES HIGH
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 96.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 83.848
HIERARCH ESO ISS PBL12 END 83.635
HIERARCH ESO ISS PBLA12 START 113.2
HIERARCH ESO ISS PBLA12 END 113.2
HIERARCH ESO ISS PBL13 START 126.568
HIERARCH ESO ISS PBL13 END 126.389
HIERARCH ESO ISS PBLA13 START 91.5
HIERARCH ESO ISS PBLA13 END 91.5
HIERARCH ESO ISS PBL14 START 127.998
HIERARCH ESO ISS PBL14 END 127.988
HIERARCH ESO ISS PBLA14 START 72.671
HIERARCH ESO ISS PBLA14 END 72.627
HIERARCH ESO ISS PBL23 START 57.701
HIERARCH ESO ISS PBL23 END 57.746
HIERARCH ESO ISS PBLA23 START 59.0
HIERARCH ESO ISS PBLA23 END 59.0
HIERARCH ESO ISS PBL24 START 84.277
HIERARCH ESO ISS PBL24 END 84.396
HIERARCH ESO ISS PBLA24 START 32.377
HIERARCH ESO ISS PBLA24 END 32.461
HIERARCH ESO ISS PBL34 START 41.693
HIERARCH ESO ISS PBL34 END 41.675
HIERARCH ESO ISS PBLA34 START 354.03
HIERARCH ESO ISS PBLA34 END 354.219
HIERARCH ESO ISS AMBI TAU0 START 0.003184
HIERARCH ESO ISS AMBI TAU0 END 0.003042
HIERARCH ESO ISS AMBI TEMP 10.88
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.62