Exposure
ID
GRAVI.2025-08-24T03:28:12.382_1
Header ID
GRAVI.2025-08-24T03:28:12.382
Date updated
2025-08-24 03:40:51 UTC+0000
Release date
2025-08-24 03:28:12 UTC+0000
UTC Start
2025-08-24 03:28:12.382
UTC End
2025-08-24 03:30:52.382
MJD Start
60911.14458775
MJD End
60911.14643960186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002661
Ambient temperature (°C)
4.26
Seeing (arcsec)
0.645
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 48.5810 48.5810 179.1000 179.5000
A0-J2 100.2680 99.5720 127.7000 128.5000
A0-J6 142.7580 142.0860 42.4020 42.5200
B5-J2 79.5610 78.7170 99.3000 99.8000
B5-J6 181.2030 180.6930 31.8050 31.9580
J2-J6 167.6600 167.6490 5.8080 6.1830
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 60911.14458775
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 48.581
HIERARCH ESO ISS PBL12 END 48.581
HIERARCH ESO ISS PBLA12 START 179.1
HIERARCH ESO ISS PBLA12 END 179.5
HIERARCH ESO ISS PBL13 START 100.268
HIERARCH ESO ISS PBL13 END 99.572
HIERARCH ESO ISS PBLA13 START 127.7
HIERARCH ESO ISS PBLA13 END 128.5
HIERARCH ESO ISS PBL14 START 142.758
HIERARCH ESO ISS PBL14 END 142.086
HIERARCH ESO ISS PBLA14 START 42.402
HIERARCH ESO ISS PBLA14 END 42.52
HIERARCH ESO ISS PBL23 START 79.561
HIERARCH ESO ISS PBL23 END 78.717
HIERARCH ESO ISS PBLA23 START 99.3
HIERARCH ESO ISS PBLA23 END 99.8
HIERARCH ESO ISS PBL24 START 181.203
HIERARCH ESO ISS PBL24 END 180.693
HIERARCH ESO ISS PBLA24 START 31.805
HIERARCH ESO ISS PBLA24 END 31.958
HIERARCH ESO ISS PBL34 START 167.66
HIERARCH ESO ISS PBL34 END 167.649
HIERARCH ESO ISS PBLA34 START 5.808
HIERARCH ESO ISS PBLA34 END 6.183
HIERARCH ESO ISS AMBI TAU0 START 0.002661
HIERARCH ESO ISS AMBI TAU0 END 0.002661
HIERARCH ESO ISS AMBI TEMP 4.26
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.65