Exposure
ID
GRAVI.2025-05-28T04:50:50.213_1
Header ID
GRAVI.2025-05-28T04:50:50.213
Date updated
2025-05-28 05:00:58 UTC+0000
Release date
2025-05-28 04:50:50 UTC+0000
UTC Start
2025-05-28 04:50:50.213
UTC End
2025-05-28 04:53:30.213
MJD Start
60823.20197006
MJD End
60823.203821911855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003919
Ambient temperature (°C)
13.18
Seeing (arcsec)
0.845
Observation
ID
67615
Category
calibrator
Program ID
115.27VK.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
50286
Name
HD_158619
RA
262.944602
DEC
-33.70334
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 87.1780 87.4210 108.1000 108.5000
A0-J2 125.9440 126.2460 84.3000 84.8000
A0-K0 126.5500 126.7270 62.6000 63.0550
G1-J2 58.0430 58.0770 47.1000 47.5000
G1-K0 90.3320 90.3130 19.0670 19.4470
J2-K0 47.6320 47.6610 344.1910 344.4840
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60823.20197006
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 158619
HIERARCH ESO INS SOBJ NAME HD_158619
RA 262.944602
DEC -33.70334
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
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 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 87.178
HIERARCH ESO ISS PBL12 END 87.421
HIERARCH ESO ISS PBLA12 START 108.1
HIERARCH ESO ISS PBLA12 END 108.5
HIERARCH ESO ISS PBL13 START 125.944
HIERARCH ESO ISS PBL13 END 126.246
HIERARCH ESO ISS PBLA13 START 84.3
HIERARCH ESO ISS PBLA13 END 84.8
HIERARCH ESO ISS PBL14 START 126.55
HIERARCH ESO ISS PBL14 END 126.727
HIERARCH ESO ISS PBLA14 START 62.6
HIERARCH ESO ISS PBLA14 END 63.055
HIERARCH ESO ISS PBL23 START 58.043
HIERARCH ESO ISS PBL23 END 58.077
HIERARCH ESO ISS PBLA23 START 47.1
HIERARCH ESO ISS PBLA23 END 47.5
HIERARCH ESO ISS PBL24 START 90.332
HIERARCH ESO ISS PBL24 END 90.313
HIERARCH ESO ISS PBLA24 START 19.067
HIERARCH ESO ISS PBLA24 END 19.447
HIERARCH ESO ISS PBL34 START 47.632
HIERARCH ESO ISS PBL34 END 47.661
HIERARCH ESO ISS PBLA34 START 344.191
HIERARCH ESO ISS PBLA34 END 344.484
HIERARCH ESO ISS AMBI TAU0 START 0.003853
HIERARCH ESO ISS AMBI TAU0 END 0.003985
HIERARCH ESO ISS AMBI TEMP 13.18
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.86