Exposure
ID
GRAVI.2023-09-13T03:00:00.783_1
Header ID
GRAVI.2023-09-13T03:00:00.783
Date updated
2023-09-13 03:10:44 UTC+0000
Release date
2024-09-13 03:10:44 UTC+0000
UTC Start
2023-09-13 03:00:00.783
UTC End
2023-09-13 03:01:20.783
MJD Start
60200.12500906
MJD End
60200.125934985925
Exposure time (s)
80.0
Validation level
1
Tau 0: Coherence time (s)
0.0016944999999999998
Ambient temperature (°C)
8.23
Seeing (arcsec)
1.0
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 85.4460 85.2590 113.1000 113.1000
A0-J2 127.7940 127.6610 91.8000 91.8000
A0-K0 127.8600 127.8940 72.9610 72.9260
G1-J2 57.2570 57.3180 59.1000 59.1000
G1-K0 83.2690 83.3940 31.5910 31.6900
J2-K0 41.8460 41.8250 352.4660 352.6540
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 60200.12500906
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 85.446
HIERARCH ESO ISS PBL12 END 85.259
HIERARCH ESO ISS PBLA12 START 113.1
HIERARCH ESO ISS PBLA12 END 113.1
HIERARCH ESO ISS PBL13 START 127.794
HIERARCH ESO ISS PBL13 END 127.661
HIERARCH ESO ISS PBLA13 START 91.8
HIERARCH ESO ISS PBLA13 END 91.8
HIERARCH ESO ISS PBL14 START 127.86
HIERARCH ESO ISS PBL14 END 127.894
HIERARCH ESO ISS PBLA14 START 72.961
HIERARCH ESO ISS PBLA14 END 72.926
HIERARCH ESO ISS PBL23 START 57.257
HIERARCH ESO ISS PBL23 END 57.318
HIERARCH ESO ISS PBLA23 START 59.1
HIERARCH ESO ISS PBLA23 END 59.1
HIERARCH ESO ISS PBL24 START 83.269
HIERARCH ESO ISS PBL24 END 83.394
HIERARCH ESO ISS PBLA24 START 31.591
HIERARCH ESO ISS PBLA24 END 31.69
HIERARCH ESO ISS PBL34 START 41.846
HIERARCH ESO ISS PBL34 END 41.825
HIERARCH ESO ISS PBLA34 START 352.466
HIERARCH ESO ISS PBLA34 END 352.654
HIERARCH ESO ISS AMBI TAU0 START 0.001664
HIERARCH ESO ISS AMBI TAU0 END 0.001725
HIERARCH ESO ISS AMBI TEMP 8.23
HIERARCH ESO ISS AMBI FWHM START 0.98
HIERARCH ESO ISS AMBI FWHM END 1.02