Exposure
ID
GRAVI.2023-09-08T04:44:13.904_1
Header ID
GRAVI.2023-09-08T04:44:13.904
Date updated
2023-09-08 04:50:58 UTC+0000
Release date
2024-09-08 04:50:58 UTC+0000
UTC Start
2023-09-08 04:44:13.904
UTC End
2023-09-08 04:45:33.904
MJD Start
60195.19738315
MJD End
60195.198309075924
Exposure time (s)
80.0
Validation level
1
Tau 0: Coherence time (s)
0.003281
Ambient temperature (°C)
12.04
Seeing (arcsec)
0.595
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 70.8220 70.4750 115.9000 116.0000
A0-J2 112.2960 111.8570 89.9000 89.9000
A0-K0 122.0280 121.7780 70.0690 69.9900
G1-J2 57.7300 57.6850 57.3000 57.3000
G1-K0 88.7210 88.7900 35.1080 35.1350
J2-K0 41.5020 41.5130 3.3400 3.5420
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 60195.19738315
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 70.822
HIERARCH ESO ISS PBL12 END 70.475
HIERARCH ESO ISS PBLA12 START 115.9
HIERARCH ESO ISS PBLA12 END 116.0
HIERARCH ESO ISS PBL13 START 112.296
HIERARCH ESO ISS PBL13 END 111.857
HIERARCH ESO ISS PBLA13 START 89.9
HIERARCH ESO ISS PBLA13 END 89.9
HIERARCH ESO ISS PBL14 START 122.028
HIERARCH ESO ISS PBL14 END 121.778
HIERARCH ESO ISS PBLA14 START 70.069
HIERARCH ESO ISS PBLA14 END 69.99
HIERARCH ESO ISS PBL23 START 57.73
HIERARCH ESO ISS PBL23 END 57.685
HIERARCH ESO ISS PBLA23 START 57.3
HIERARCH ESO ISS PBLA23 END 57.3
HIERARCH ESO ISS PBL24 START 88.721
HIERARCH ESO ISS PBL24 END 88.79
HIERARCH ESO ISS PBLA24 START 35.108
HIERARCH ESO ISS PBLA24 END 35.135
HIERARCH ESO ISS PBL34 START 41.502
HIERARCH ESO ISS PBL34 END 41.513
HIERARCH ESO ISS PBLA34 START 3.34
HIERARCH ESO ISS PBLA34 END 3.542
HIERARCH ESO ISS AMBI TAU0 START 0.003562
HIERARCH ESO ISS AMBI TAU0 END 0.003
HIERARCH ESO ISS AMBI TEMP 12.04
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.62