Exposure
ID
GRAVI.2025-04-06T07:03:51.216_1
Header ID
GRAVI.2025-04-06T07:03:51.216
Date updated
2025-04-06 07:15:54 UTC+0000
Release date
2025-04-06 07:03:51 UTC+0000
UTC Start
2025-04-06 07:03:51.216
UTC End
2025-04-06 07:07:03.216
MJD Start
60771.29434278
MJD End
60771.29656500222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0041034999999999995
Ambient temperature (°C)
13.81
Seeing (arcsec)
0.595
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 20.0630 20.2240 123.5000 123.7000
A0-D0 29.0840 29.1890 38.4000 39.2000
A0-C1 17.1800 17.3640 89.2790 89.8570
B2-D0 33.8720 33.8710 2.3000 2.8000
B2-C1 11.2830 11.2820 2.2220 2.7510
D0-C1 22.5890 22.5880 182.2700 182.8000
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 60771.29434278
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 20.063
HIERARCH ESO ISS PBL12 END 20.224
HIERARCH ESO ISS PBLA12 START 123.5
HIERARCH ESO ISS PBLA12 END 123.7
HIERARCH ESO ISS PBL13 START 29.084
HIERARCH ESO ISS PBL13 END 29.189
HIERARCH ESO ISS PBLA13 START 38.4
HIERARCH ESO ISS PBLA13 END 39.2
HIERARCH ESO ISS PBL14 START 17.18
HIERARCH ESO ISS PBL14 END 17.364
HIERARCH ESO ISS PBLA14 START 89.279
HIERARCH ESO ISS PBLA14 END 89.857
HIERARCH ESO ISS PBL23 START 33.872
HIERARCH ESO ISS PBL23 END 33.871
HIERARCH ESO ISS PBLA23 START 2.3
HIERARCH ESO ISS PBLA23 END 2.8
HIERARCH ESO ISS PBL24 START 11.283
HIERARCH ESO ISS PBL24 END 11.282
HIERARCH ESO ISS PBLA24 START 2.222
HIERARCH ESO ISS PBLA24 END 2.751
HIERARCH ESO ISS PBL34 START 22.589
HIERARCH ESO ISS PBL34 END 22.588
HIERARCH ESO ISS PBLA34 START 182.27
HIERARCH ESO ISS PBLA34 END 182.8
HIERARCH ESO ISS AMBI TAU0 START 0.004371
HIERARCH ESO ISS AMBI TAU0 END 0.003836
HIERARCH ESO ISS AMBI TEMP 13.81
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.61