Exposure
ID
GRAVI.2025-04-04T06:15:48.462_1
Header ID
GRAVI.2025-04-04T06:15:48.462
Date updated
2025-04-04 06:30:45 UTC+0000
Release date
2025-04-04 06:15:48 UTC+0000
UTC Start
2025-04-04 06:15:48.462
UTC End
2025-04-04 06:19:00.462
MJD Start
60769.26097757
MJD End
60769.26319979222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.005443
Ambient temperature (°C)
13.72
Seeing (arcsec)
1.02
Observation
ID
66036
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
49157
Name
HD_168592
RA
275.574244
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 17.3030 17.5030 119.9000 120.1000
A0-D0 27.6020 27.6890 24.8000 25.7000
A0-C1 14.0940 14.3120 79.3780 80.1150
B2-D0 33.8590 33.8620 354.2000 354.7000
B2-C1 11.2780 11.2790 354.1500 354.6800
D0-C1 22.5810 22.5820 174.1890 174.7200
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 60769.26097757
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 168592
HIERARCH ESO INS SOBJ NAME HD_168592
RA 275.574244
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 17.303
HIERARCH ESO ISS PBL12 END 17.503
HIERARCH ESO ISS PBLA12 START 119.9
HIERARCH ESO ISS PBLA12 END 120.1
HIERARCH ESO ISS PBL13 START 27.602
HIERARCH ESO ISS PBL13 END 27.689
HIERARCH ESO ISS PBLA13 START 24.8
HIERARCH ESO ISS PBLA13 END 25.7
HIERARCH ESO ISS PBL14 START 14.094
HIERARCH ESO ISS PBL14 END 14.312
HIERARCH ESO ISS PBLA14 START 79.378
HIERARCH ESO ISS PBLA14 END 80.115
HIERARCH ESO ISS PBL23 START 33.859
HIERARCH ESO ISS PBL23 END 33.862
HIERARCH ESO ISS PBLA23 START 354.2
HIERARCH ESO ISS PBLA23 END 354.7
HIERARCH ESO ISS PBL24 START 11.278
HIERARCH ESO ISS PBL24 END 11.279
HIERARCH ESO ISS PBLA24 START 354.15
HIERARCH ESO ISS PBLA24 END 354.68
HIERARCH ESO ISS PBL34 START 22.581
HIERARCH ESO ISS PBL34 END 22.582
HIERARCH ESO ISS PBLA34 START 174.189
HIERARCH ESO ISS PBLA34 END 174.72
HIERARCH ESO ISS AMBI TAU0 START 0.0058
HIERARCH ESO ISS AMBI TAU0 END 0.005086
HIERARCH ESO ISS AMBI TEMP 13.72
HIERARCH ESO ISS AMBI FWHM START 1.02
HIERARCH ESO ISS AMBI FWHM END 1.02