Exposure
ID
GRAVI.2025-08-24T04:10:06.489_1
Header ID
GRAVI.2025-08-24T04:10:06.489
Date updated
2025-08-24 04:20:59 UTC+0000
Release date
2025-08-24 04:10:06 UTC+0000
UTC Start
2025-08-24 04:10:06.489
UTC End
2025-08-24 04:12:46.489
MJD Start
60911.17368621
MJD End
60911.175538061856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0032365
Ambient temperature (°C)
4.38
Seeing (arcsec)
0.825
Observation
ID
70097
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
52010
Name
HD_168000
RA
274.599344
DEC
-17.53439
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 45.9010 45.8960 178.3000 178.8000
A0-J2 88.7460 87.6790 113.7000 114.3000
A0-J6 159.8610 159.4310 37.1740 37.1940
B5-J2 80.5500 79.5890 82.8000 82.9000
B5-J6 197.7260 197.4790 28.8030 28.8970
J2-J6 163.8390 163.8830 5.3740 5.7570
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 60911.17368621
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 168000
HIERARCH ESO INS SOBJ NAME HD_168000
RA 274.599344
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 45.901
HIERARCH ESO ISS PBL12 END 45.896
HIERARCH ESO ISS PBLA12 START 178.3
HIERARCH ESO ISS PBLA12 END 178.8
HIERARCH ESO ISS PBL13 START 88.746
HIERARCH ESO ISS PBL13 END 87.679
HIERARCH ESO ISS PBLA13 START 113.7
HIERARCH ESO ISS PBLA13 END 114.3
HIERARCH ESO ISS PBL14 START 159.861
HIERARCH ESO ISS PBL14 END 159.431
HIERARCH ESO ISS PBLA14 START 37.174
HIERARCH ESO ISS PBLA14 END 37.194
HIERARCH ESO ISS PBL23 START 80.55
HIERARCH ESO ISS PBL23 END 79.589
HIERARCH ESO ISS PBLA23 START 82.8
HIERARCH ESO ISS PBLA23 END 82.9
HIERARCH ESO ISS PBL24 START 197.726
HIERARCH ESO ISS PBL24 END 197.479
HIERARCH ESO ISS PBLA24 START 28.803
HIERARCH ESO ISS PBLA24 END 28.897
HIERARCH ESO ISS PBL34 START 163.839
HIERARCH ESO ISS PBL34 END 163.883
HIERARCH ESO ISS PBLA34 START 5.374
HIERARCH ESO ISS PBLA34 END 5.757
HIERARCH ESO ISS AMBI TAU0 START 0.00308
HIERARCH ESO ISS AMBI TAU0 END 0.003393
HIERARCH ESO ISS AMBI TEMP 4.38
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.76