Exposure
ID
GRAVI.2025-04-28T08:15:23.640_1
Header ID
GRAVI.2025-04-28T08:15:23.640
Date updated
2025-04-28 08:25:44 UTC+0000
Release date
2025-04-28 08:15:23 UTC+0000
UTC Start
2025-04-28 08:15:23.640
UTC End
2025-04-28 08:18:03.640
MJD Start
60793.34402361
MJD End
60793.345875461855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0041425
Ambient temperature (°C)
12.32
Seeing (arcsec)
0.30000000000000004
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 90.4890 90.5040 114.3000 114.5000
A0-J2 128.8570 128.9700 91.3000 91.5000
A0-K0 127.0900 127.2570 69.5290 69.7800
G1-J2 57.6750 57.7520 53.5000 53.8000
G1-K0 89.5140 89.5810 24.1300 24.4470
J2-K0 48.3710 48.3580 348.3590 348.6580
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 60793.34402361
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 90.489
HIERARCH ESO ISS PBL12 END 90.504
HIERARCH ESO ISS PBLA12 START 114.3
HIERARCH ESO ISS PBLA12 END 114.5
HIERARCH ESO ISS PBL13 START 128.857
HIERARCH ESO ISS PBL13 END 128.97
HIERARCH ESO ISS PBLA13 START 91.3
HIERARCH ESO ISS PBLA13 END 91.5
HIERARCH ESO ISS PBL14 START 127.09
HIERARCH ESO ISS PBL14 END 127.257
HIERARCH ESO ISS PBLA14 START 69.529
HIERARCH ESO ISS PBLA14 END 69.78
HIERARCH ESO ISS PBL23 START 57.675
HIERARCH ESO ISS PBL23 END 57.752
HIERARCH ESO ISS PBLA23 START 53.5
HIERARCH ESO ISS PBLA23 END 53.8
HIERARCH ESO ISS PBL24 START 89.514
HIERARCH ESO ISS PBL24 END 89.581
HIERARCH ESO ISS PBLA24 START 24.13
HIERARCH ESO ISS PBLA24 END 24.447
HIERARCH ESO ISS PBL34 START 48.371
HIERARCH ESO ISS PBL34 END 48.358
HIERARCH ESO ISS PBLA34 START 348.359
HIERARCH ESO ISS PBLA34 END 348.658
HIERARCH ESO ISS AMBI TAU0 START 0.004034
HIERARCH ESO ISS AMBI TAU0 END 0.004251
HIERARCH ESO ISS AMBI TEMP 12.32
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.28