Exposure
ID
GRAVI.2025-06-18T05:51:00.165_1
Header ID
GRAVI.2025-06-18T05:51:00.165
Date updated
2025-06-18 06:01:26 UTC+0000
Release date
2025-06-18 05:51:00 UTC+0000
UTC Start
2025-06-18 05:51:00.165
UTC End
2025-06-18 05:53:40.165
MJD Start
60844.24375191
MJD End
60844.245603761854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003035
Ambient temperature (°C)
6.18
Seeing (arcsec)
0.9199999999999999
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 88.9010 88.7130 119.1000 119.4000
A0-J2 127.6440 127.3860 95.6000 95.8000
A0-K0 127.2860 127.1200 73.8270 74.0270
G1-J2 58.1390 58.1020 58.1000 58.3000
G1-K0 90.4100 90.4300 29.5260 29.7710
J2-K0 48.1570 48.1490 354.2960 354.6190
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 60844.24375191
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 88.901
HIERARCH ESO ISS PBL12 END 88.713
HIERARCH ESO ISS PBLA12 START 119.1
HIERARCH ESO ISS PBLA12 END 119.4
HIERARCH ESO ISS PBL13 START 127.644
HIERARCH ESO ISS PBL13 END 127.386
HIERARCH ESO ISS PBLA13 START 95.6
HIERARCH ESO ISS PBLA13 END 95.8
HIERARCH ESO ISS PBL14 START 127.286
HIERARCH ESO ISS PBL14 END 127.12
HIERARCH ESO ISS PBLA14 START 73.827
HIERARCH ESO ISS PBLA14 END 74.027
HIERARCH ESO ISS PBL23 START 58.139
HIERARCH ESO ISS PBL23 END 58.102
HIERARCH ESO ISS PBLA23 START 58.1
HIERARCH ESO ISS PBLA23 END 58.3
HIERARCH ESO ISS PBL24 START 90.41
HIERARCH ESO ISS PBL24 END 90.43
HIERARCH ESO ISS PBLA24 START 29.526
HIERARCH ESO ISS PBLA24 END 29.771
HIERARCH ESO ISS PBL34 START 48.157
HIERARCH ESO ISS PBL34 END 48.149
HIERARCH ESO ISS PBLA34 START 354.296
HIERARCH ESO ISS PBLA34 END 354.619
HIERARCH ESO ISS AMBI TAU0 START 0.003045
HIERARCH ESO ISS AMBI TAU0 END 0.003025
HIERARCH ESO ISS AMBI TEMP 6.18
HIERARCH ESO ISS AMBI FWHM START 0.96
HIERARCH ESO ISS AMBI FWHM END 0.88