Exposure
ID
GRAVI.2025-05-27T04:40:50.807_1
Header ID
GRAVI.2025-05-27T04:40:50.807
Date updated
2025-05-27 04:51:00 UTC+0000
Release date
2025-05-27 04:40:50 UTC+0000
UTC Start
2025-05-27 04:40:50.807
UTC End
2025-05-27 04:43:30.807
MJD Start
60822.19503249
MJD End
60822.19688434186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003952000000000001
Ambient temperature (°C)
11.35
Seeing (arcsec)
0.665
Observation
ID
67605
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
50277
Name
HD_158619
RA
262.944603
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 85.8970 86.1870 106.5000 106.8000
A0-J2 124.3230 124.6930 82.3000 82.8000
A0-K0 125.5720 125.7990 60.4170 60.8880
G1-J2 57.8340 57.8840 44.9000 45.4000
G1-K0 90.4040 90.3910 17.2640 17.6510
J2-K0 47.4850 47.5180 342.8510 343.1330
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 60822.19503249
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 158619
HIERARCH ESO INS SOBJ NAME HD_158619
RA 262.944603
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 85.897
HIERARCH ESO ISS PBL12 END 86.187
HIERARCH ESO ISS PBLA12 START 106.5
HIERARCH ESO ISS PBLA12 END 106.8
HIERARCH ESO ISS PBL13 START 124.323
HIERARCH ESO ISS PBL13 END 124.693
HIERARCH ESO ISS PBLA13 START 82.3
HIERARCH ESO ISS PBLA13 END 82.8
HIERARCH ESO ISS PBL14 START 125.572
HIERARCH ESO ISS PBL14 END 125.799
HIERARCH ESO ISS PBLA14 START 60.417
HIERARCH ESO ISS PBLA14 END 60.888
HIERARCH ESO ISS PBL23 START 57.834
HIERARCH ESO ISS PBL23 END 57.884
HIERARCH ESO ISS PBLA23 START 44.9
HIERARCH ESO ISS PBLA23 END 45.4
HIERARCH ESO ISS PBL24 START 90.404
HIERARCH ESO ISS PBL24 END 90.391
HIERARCH ESO ISS PBLA24 START 17.264
HIERARCH ESO ISS PBLA24 END 17.651
HIERARCH ESO ISS PBL34 START 47.485
HIERARCH ESO ISS PBL34 END 47.518
HIERARCH ESO ISS PBLA34 START 342.851
HIERARCH ESO ISS PBLA34 END 343.133
HIERARCH ESO ISS AMBI TAU0 START 0.004172
HIERARCH ESO ISS AMBI TAU0 END 0.003732
HIERARCH ESO ISS AMBI TEMP 11.35
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.69