Exposure
ID
GRAVI.2021-12-31T06:19:21.987_1
Header ID
GRAVI.2021-12-31T06:19:21.987
Date updated
2021-12-31 06:30:38 UTC+0000
Release date
2021-12-31 06:19:21 UTC+0000
UTC Start
2021-12-31 06:19:21.987
UTC End
2021-12-31 06:22:01.987
MJD Start
59579.26344892
MJD End
59579.2653007719
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005115
Ambient temperature (°C)
13.34
Seeing (arcsec)
1.065
Observation
ID
49129
Category
calibrator
Program ID
108.222E.001
Program Title
THE ORIGIN OF BE STARS AND THE ELUSIVE MASSIVE HELIUM STARS
Program Type
Normal
PI / COI
SHENAR/ BODENSTEINER/ SANA/ DSILVA/ LANGER/ SCHÜRMANN/ OSKINOVA/ MAHY/ LANTHERMANN/ BORDIER/ FROST/ MARCHANT/ GILKIS/ KLUSKA
Target
ID
36764
Name
TYC_154-80-1
RA
98.930226
DEC
4.75372
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 73.8610 73.2600 115.6000 115.7000
A0-J2 115.7560 115.0200 90.5000 90.5000
A0-J3 132.4150 132.4210 50.7450 50.6870
G1-J2 58.0000 57.9420 57.9000 57.8000
G1-J3 121.1220 121.3230 17.2420 17.4860
J2-J3 85.8700 85.7580 351.1400 351.5700
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.222E.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 59579.26344892
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME TYC 154-80-1
HIERARCH ESO INS SOBJ NAME TYC_154-80-1
RA 98.930226
DEC 4.75372
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 J3
EXPTIME 176.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 73.861
HIERARCH ESO ISS PBL12 END 73.26
HIERARCH ESO ISS PBLA12 START 115.6
HIERARCH ESO ISS PBLA12 END 115.7
HIERARCH ESO ISS PBL13 START 115.756
HIERARCH ESO ISS PBL13 END 115.02
HIERARCH ESO ISS PBLA13 START 90.5
HIERARCH ESO ISS PBLA13 END 90.5
HIERARCH ESO ISS PBL14 START 132.415
HIERARCH ESO ISS PBL14 END 132.421
HIERARCH ESO ISS PBLA14 START 50.745
HIERARCH ESO ISS PBLA14 END 50.687
HIERARCH ESO ISS PBL23 START 58.0
HIERARCH ESO ISS PBL23 END 57.942
HIERARCH ESO ISS PBLA23 START 57.9
HIERARCH ESO ISS PBLA23 END 57.8
HIERARCH ESO ISS PBL24 START 121.122
HIERARCH ESO ISS PBL24 END 121.323
HIERARCH ESO ISS PBLA24 START 17.242
HIERARCH ESO ISS PBLA24 END 17.486
HIERARCH ESO ISS PBL34 START 85.87
HIERARCH ESO ISS PBL34 END 85.758
HIERARCH ESO ISS PBLA34 START 351.14
HIERARCH ESO ISS PBLA34 END 351.57
HIERARCH ESO ISS AMBI TAU0 START 0.005334
HIERARCH ESO ISS AMBI TAU0 END 0.004896
HIERARCH ESO ISS AMBI TEMP 13.34
HIERARCH ESO ISS AMBI FWHM START 1.07
HIERARCH ESO ISS AMBI FWHM END 1.06