Exposure
ID
GRAVI.2025-05-28T05:50:11.365_1
Header ID
GRAVI.2025-05-28T05:50:11.365
Date updated
2025-05-28 06:01:08 UTC+0000
Release date
2025-05-28 05:50:11 UTC+0000
UTC Start
2025-05-28 05:50:11.365
UTC End
2025-05-28 05:52:51.365
MJD Start
60823.24318709
MJD End
60823.24503894186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0044115000000000005
Ambient temperature (°C)
12.86
Seeing (arcsec)
1.24
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 89.8030 89.9260 112.4000 112.6000
A0-J2 126.9060 127.1990 89.3000 89.5000
A0-K0 124.7940 125.1100 67.0650 67.3500
G1-J2 56.7250 56.8480 50.7000 51.0000
G1-K0 88.8520 88.9280 21.0590 21.4090
J2-K0 48.4880 48.4760 345.7110 345.9930
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 60823.24318709
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 89.803
HIERARCH ESO ISS PBL12 END 89.926
HIERARCH ESO ISS PBLA12 START 112.4
HIERARCH ESO ISS PBLA12 END 112.6
HIERARCH ESO ISS PBL13 START 126.906
HIERARCH ESO ISS PBL13 END 127.199
HIERARCH ESO ISS PBLA13 START 89.3
HIERARCH ESO ISS PBLA13 END 89.5
HIERARCH ESO ISS PBL14 START 124.794
HIERARCH ESO ISS PBL14 END 125.11
HIERARCH ESO ISS PBLA14 START 67.065
HIERARCH ESO ISS PBLA14 END 67.35
HIERARCH ESO ISS PBL23 START 56.725
HIERARCH ESO ISS PBL23 END 56.848
HIERARCH ESO ISS PBLA23 START 50.7
HIERARCH ESO ISS PBLA23 END 51.0
HIERARCH ESO ISS PBL24 START 88.852
HIERARCH ESO ISS PBL24 END 88.928
HIERARCH ESO ISS PBLA24 START 21.059
HIERARCH ESO ISS PBLA24 END 21.409
HIERARCH ESO ISS PBL34 START 48.488
HIERARCH ESO ISS PBL34 END 48.476
HIERARCH ESO ISS PBLA34 START 345.711
HIERARCH ESO ISS PBLA34 END 345.993
HIERARCH ESO ISS AMBI TAU0 START 0.004574
HIERARCH ESO ISS AMBI TAU0 END 0.004249
HIERARCH ESO ISS AMBI TEMP 12.86
HIERARCH ESO ISS AMBI FWHM START 1.22
HIERARCH ESO ISS AMBI FWHM END 1.26