Exposure
ID
GRAVI.2025-08-28T01:00:21.201_1
Header ID
GRAVI.2025-08-28T01:00:21.201
Date updated
2025-08-28 01:10:56 UTC+0000
Release date
2025-08-28 01:00:21 UTC+0000
UTC Start
2025-08-28 01:00:21.201
UTC End
2025-08-28 01:03:01.201
MJD Start
60915.04191205
MJD End
60915.04376390186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0028539999999999998
Ambient temperature (°C)
12.5
Seeing (arcsec)
1.24
Observation
ID
70095
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
52008
Name
HD_158619
RA
262.945934
DEC
-33.70334
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.6320 48.6370 160.0000 160.4000
A0-J2 125.2740 124.9350 103.0000 103.4000
A0-J6 163.4520 163.1770 33.5480 33.8210
B5-J2 106.9150 106.5560 80.5000 80.9000
B5-J6 196.3000 196.1070 22.0570 22.3360
J2-J6 167.3990 167.4260 349.0670 349.4350
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 60915.04191205
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 158619
HIERARCH ESO INS SOBJ NAME HD_158619
RA 262.945934
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 48.632
HIERARCH ESO ISS PBL12 END 48.637
HIERARCH ESO ISS PBLA12 START 160.0
HIERARCH ESO ISS PBLA12 END 160.4
HIERARCH ESO ISS PBL13 START 125.274
HIERARCH ESO ISS PBL13 END 124.935
HIERARCH ESO ISS PBLA13 START 103.0
HIERARCH ESO ISS PBLA13 END 103.4
HIERARCH ESO ISS PBL14 START 163.452
HIERARCH ESO ISS PBL14 END 163.177
HIERARCH ESO ISS PBLA14 START 33.548
HIERARCH ESO ISS PBLA14 END 33.821
HIERARCH ESO ISS PBL23 START 106.915
HIERARCH ESO ISS PBL23 END 106.556
HIERARCH ESO ISS PBLA23 START 80.5
HIERARCH ESO ISS PBLA23 END 80.9
HIERARCH ESO ISS PBL24 START 196.3
HIERARCH ESO ISS PBL24 END 196.107
HIERARCH ESO ISS PBLA24 START 22.057
HIERARCH ESO ISS PBLA24 END 22.336
HIERARCH ESO ISS PBL34 START 167.399
HIERARCH ESO ISS PBL34 END 167.426
HIERARCH ESO ISS PBLA34 START 349.067
HIERARCH ESO ISS PBLA34 END 349.435
HIERARCH ESO ISS AMBI TAU0 START 0.002795
HIERARCH ESO ISS AMBI TAU0 END 0.002913
HIERARCH ESO ISS AMBI TEMP 12.5
HIERARCH ESO ISS AMBI FWHM START 1.17
HIERARCH ESO ISS AMBI FWHM END 1.31