Exposure
ID
GRAVI.2025-06-24T03:18:45.880_1
Header ID
GRAVI.2025-06-24T03:18:45.880
Date updated
2025-06-24 03:30:50 UTC+0000
Release date
2025-06-24 03:18:45 UTC+0000
UTC Start
2025-06-24 03:18:45.880
UTC End
2025-06-24 03:21:57.880
MJD Start
60850.13803102
MJD End
60850.14025324222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.003888
Ambient temperature (°C)
11.32
Seeing (arcsec)
0.63
Observation
ID
68226
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
50709
Name
HD_168592
RA
275.57424
DEC
-38.65706
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 23.0830 23.1800 130.9000 131.2000
A0-D0 31.2590 31.3290 55.7000 56.4000
A0-C1 20.6740 20.7850 101.7400 102.2450
B2-D0 33.7540 33.7430 14.4000 14.9000
B2-C1 11.2430 11.2400 14.3300 14.8280
D0-C1 22.5110 22.5030 194.3890 194.8870
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 60850.13803102
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 168592
HIERARCH ESO INS SOBJ NAME HD_168592
RA 275.57424
DEC -38.65706
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 23.083
HIERARCH ESO ISS PBL12 END 23.18
HIERARCH ESO ISS PBLA12 START 130.9
HIERARCH ESO ISS PBLA12 END 131.2
HIERARCH ESO ISS PBL13 START 31.259
HIERARCH ESO ISS PBL13 END 31.329
HIERARCH ESO ISS PBLA13 START 55.7
HIERARCH ESO ISS PBLA13 END 56.4
HIERARCH ESO ISS PBL14 START 20.674
HIERARCH ESO ISS PBL14 END 20.785
HIERARCH ESO ISS PBLA14 START 101.74
HIERARCH ESO ISS PBLA14 END 102.245
HIERARCH ESO ISS PBL23 START 33.754
HIERARCH ESO ISS PBL23 END 33.743
HIERARCH ESO ISS PBLA23 START 14.4
HIERARCH ESO ISS PBLA23 END 14.9
HIERARCH ESO ISS PBL24 START 11.243
HIERARCH ESO ISS PBL24 END 11.24
HIERARCH ESO ISS PBLA24 START 14.33
HIERARCH ESO ISS PBLA24 END 14.828
HIERARCH ESO ISS PBL34 START 22.511
HIERARCH ESO ISS PBL34 END 22.503
HIERARCH ESO ISS PBLA34 START 194.389
HIERARCH ESO ISS PBLA34 END 194.887
HIERARCH ESO ISS AMBI TAU0 START 0.00401
HIERARCH ESO ISS AMBI TAU0 END 0.003766
HIERARCH ESO ISS AMBI TEMP 11.32
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.67