Exposure
ID
GRAVI.2025-05-28T05:53:26.373_1
Header ID
GRAVI.2025-05-28T05:53:26.373
Date updated
2025-05-28 06:01:08 UTC+0000
Release date
2025-05-28 05:53:26 UTC+0000
UTC Start
2025-05-28 05:53:26.373
UTC End
2025-05-28 05:56:06.373
MJD Start
60823.24544413
MJD End
60823.247295981855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0046545
Ambient temperature (°C)
12.97
Seeing (arcsec)
1.12
Observation
ID
67033
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
49841
Name
HD_168000
RA
274.598179
DEC
-17.53439
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 89.9380 90.0470 112.7000 112.9000
A0-J2 127.2290 127.4980 89.5000 89.7000
A0-K0 125.1420 125.4390 67.3760 67.6600
G1-J2 56.8610 56.9790 51.1000 51.4000
G1-K0 88.9360 89.0100 21.4420 21.7910
J2-K0 48.4750 48.4620 346.0180 346.3050
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 60823.24544413
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 168000
HIERARCH ESO INS SOBJ NAME HD_168000
RA 274.598179
DEC -17.53439
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 89.938
HIERARCH ESO ISS PBL12 END 90.047
HIERARCH ESO ISS PBLA12 START 112.7
HIERARCH ESO ISS PBLA12 END 112.9
HIERARCH ESO ISS PBL13 START 127.229
HIERARCH ESO ISS PBL13 END 127.498
HIERARCH ESO ISS PBLA13 START 89.5
HIERARCH ESO ISS PBLA13 END 89.7
HIERARCH ESO ISS PBL14 START 125.142
HIERARCH ESO ISS PBL14 END 125.439
HIERARCH ESO ISS PBLA14 START 67.376
HIERARCH ESO ISS PBLA14 END 67.66
HIERARCH ESO ISS PBL23 START 56.861
HIERARCH ESO ISS PBL23 END 56.979
HIERARCH ESO ISS PBLA23 START 51.1
HIERARCH ESO ISS PBLA23 END 51.4
HIERARCH ESO ISS PBL24 START 88.936
HIERARCH ESO ISS PBL24 END 89.01
HIERARCH ESO ISS PBLA24 START 21.442
HIERARCH ESO ISS PBLA24 END 21.791
HIERARCH ESO ISS PBL34 START 48.475
HIERARCH ESO ISS PBL34 END 48.462
HIERARCH ESO ISS PBLA34 START 346.018
HIERARCH ESO ISS PBLA34 END 346.305
HIERARCH ESO ISS AMBI TAU0 START 0.00496
HIERARCH ESO ISS AMBI TAU0 END 0.004349
HIERARCH ESO ISS AMBI TEMP 12.97
HIERARCH ESO ISS AMBI FWHM START 1.11
HIERARCH ESO ISS AMBI FWHM END 1.13