Exposure
ID
GRAVI.2025-08-24T03:18:15.357_1
Header ID
GRAVI.2025-08-24T03:18:15.357
Date updated
2025-08-24 03:30:56 UTC+0000
Release date
2025-08-24 03:18:15 UTC+0000
UTC Start
2025-08-24 03:18:15.357
UTC End
2025-08-24 03:20:55.357
MJD Start
60911.13767774
MJD End
60911.139529591856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0023899999999999998
Ambient temperature (°C)
4.28
Seeing (arcsec)
0.7150000000000001
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 48.5840 48.5830 177.6000 178.0000
A0-J2 102.6030 101.9110 125.4000 126.1000
A0-J6 144.9530 144.3120 41.9770 42.1080
B5-J2 82.3400 81.5240 97.6000 98.1000
B5-J6 182.8620 182.3790 31.2670 31.4300
J2-J6 167.6930 167.6840 4.5410 4.9180
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 60911.13767774
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 48.584
HIERARCH ESO ISS PBL12 END 48.583
HIERARCH ESO ISS PBLA12 START 177.6
HIERARCH ESO ISS PBLA12 END 178.0
HIERARCH ESO ISS PBL13 START 102.603
HIERARCH ESO ISS PBL13 END 101.911
HIERARCH ESO ISS PBLA13 START 125.4
HIERARCH ESO ISS PBLA13 END 126.1
HIERARCH ESO ISS PBL14 START 144.953
HIERARCH ESO ISS PBL14 END 144.312
HIERARCH ESO ISS PBLA14 START 41.977
HIERARCH ESO ISS PBLA14 END 42.108
HIERARCH ESO ISS PBL23 START 82.34
HIERARCH ESO ISS PBL23 END 81.524
HIERARCH ESO ISS PBLA23 START 97.6
HIERARCH ESO ISS PBLA23 END 98.1
HIERARCH ESO ISS PBL24 START 182.862
HIERARCH ESO ISS PBL24 END 182.379
HIERARCH ESO ISS PBLA24 START 31.267
HIERARCH ESO ISS PBLA24 END 31.43
HIERARCH ESO ISS PBL34 START 167.693
HIERARCH ESO ISS PBL34 END 167.684
HIERARCH ESO ISS PBLA34 START 4.541
HIERARCH ESO ISS PBLA34 END 4.918
HIERARCH ESO ISS AMBI TAU0 START 0.002253
HIERARCH ESO ISS AMBI TAU0 END 0.002527
HIERARCH ESO ISS AMBI TEMP 4.28
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.68