Exposure
ID
GRAVI.2021-12-31T06:07:09.956_1
Header ID
GRAVI.2021-12-31T06:07:09.956
Date updated
2021-12-31 06:16:16 UTC+0000
Release date
2021-12-31 06:07:09 UTC+0000
UTC Start
2021-12-31 06:07:09.956
UTC End
2021-12-31 06:09:49.956
MJD Start
59579.25497634
MJD End
59579.2568281919
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005425
Ambient temperature (°C)
12.98
Seeing (arcsec)
1.25
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 76.2940 75.7310 115.0000 115.1000
A0-J2 118.6510 117.9940 90.8000 90.7000
A0-J3 132.2540 132.3130 50.9400 50.9010
G1-J2 58.1740 58.1430 58.2000 58.2000
G1-J3 120.2880 120.4840 16.1760 16.4350
J2-J3 86.3950 86.2620 349.3580 349.7760
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 59579.25497634
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 76.294
HIERARCH ESO ISS PBL12 END 75.731
HIERARCH ESO ISS PBLA12 START 115.0
HIERARCH ESO ISS PBLA12 END 115.1
HIERARCH ESO ISS PBL13 START 118.651
HIERARCH ESO ISS PBL13 END 117.994
HIERARCH ESO ISS PBLA13 START 90.8
HIERARCH ESO ISS PBLA13 END 90.7
HIERARCH ESO ISS PBL14 START 132.254
HIERARCH ESO ISS PBL14 END 132.313
HIERARCH ESO ISS PBLA14 START 50.94
HIERARCH ESO ISS PBLA14 END 50.901
HIERARCH ESO ISS PBL23 START 58.174
HIERARCH ESO ISS PBL23 END 58.143
HIERARCH ESO ISS PBLA23 START 58.2
HIERARCH ESO ISS PBLA23 END 58.2
HIERARCH ESO ISS PBL24 START 120.288
HIERARCH ESO ISS PBL24 END 120.484
HIERARCH ESO ISS PBLA24 START 16.176
HIERARCH ESO ISS PBLA24 END 16.435
HIERARCH ESO ISS PBL34 START 86.395
HIERARCH ESO ISS PBL34 END 86.262
HIERARCH ESO ISS PBLA34 START 349.358
HIERARCH ESO ISS PBLA34 END 349.776
HIERARCH ESO ISS AMBI TAU0 START 0.005675
HIERARCH ESO ISS AMBI TAU0 END 0.005175
HIERARCH ESO ISS AMBI TEMP 12.98
HIERARCH ESO ISS AMBI FWHM START 1.42
HIERARCH ESO ISS AMBI FWHM END 1.08