Exposure
ID
GRAVI.2023-08-22T05:52:01.878_1
Header ID
GRAVI.2023-08-22T05:52:01.878
Date updated
2023-08-22 06:00:33 UTC+0000
Release date
2024-08-22 06:00:33 UTC+0000
UTC Start
2023-08-22 05:52:01.878
UTC End
2023-08-22 05:53:21.878
MJD Start
60178.24446618
MJD End
60178.24539210592
Exposure time (s)
80.0
Validation level
1
Tau 0: Coherence time (s)
0.006484
Ambient temperature (°C)
13.56
Seeing (arcsec)
0.685
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 70.6040 70.2590 116.0000 116.1000
A0-J2 112.0190 111.5820 89.9000 89.9000
A0-K0 121.8700 121.6200 70.0200 69.9450
G1-J2 57.7020 57.6560 57.3000 57.2000
G1-K0 88.7650 88.8330 35.1260 35.1550
J2-K0 41.5090 41.5200 3.4670 3.6710
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 60178.24446618
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 70.604
HIERARCH ESO ISS PBL12 END 70.259
HIERARCH ESO ISS PBLA12 START 116.0
HIERARCH ESO ISS PBLA12 END 116.1
HIERARCH ESO ISS PBL13 START 112.019
HIERARCH ESO ISS PBL13 END 111.582
HIERARCH ESO ISS PBLA13 START 89.9
HIERARCH ESO ISS PBLA13 END 89.9
HIERARCH ESO ISS PBL14 START 121.87
HIERARCH ESO ISS PBL14 END 121.62
HIERARCH ESO ISS PBLA14 START 70.02
HIERARCH ESO ISS PBLA14 END 69.945
HIERARCH ESO ISS PBL23 START 57.702
HIERARCH ESO ISS PBL23 END 57.656
HIERARCH ESO ISS PBLA23 START 57.3
HIERARCH ESO ISS PBLA23 END 57.2
HIERARCH ESO ISS PBL24 START 88.765
HIERARCH ESO ISS PBL24 END 88.833
HIERARCH ESO ISS PBLA24 START 35.126
HIERARCH ESO ISS PBLA24 END 35.155
HIERARCH ESO ISS PBL34 START 41.509
HIERARCH ESO ISS PBL34 END 41.52
HIERARCH ESO ISS PBLA34 START 3.467
HIERARCH ESO ISS PBLA34 END 3.671
HIERARCH ESO ISS AMBI TAU0 START 0.006729
HIERARCH ESO ISS AMBI TAU0 END 0.006239
HIERARCH ESO ISS AMBI TEMP 13.56
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.77