Exposure
ID
GRAVI.2025-05-27T05:25:26.921_1
Header ID
GRAVI.2025-05-27T05:25:26.921
Date updated
2025-05-27 05:35:57 UTC+0000
Release date
2025-05-27 05:25:26 UTC+0000
UTC Start
2025-05-27 05:25:26.921
UTC End
2025-05-27 05:28:06.921
MJD Start
60822.22600603
MJD End
60822.22785788186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004481499999999999
Ambient temperature (°C)
11.0
Seeing (arcsec)
0.52
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 87.9960 88.2340 110.7000 110.9000
A0-J2 123.0880 123.5630 87.0000 87.3000
A0-K0 120.9690 121.4250 64.0850 64.4120
G1-J2 55.3080 55.4710 47.3000 47.6000
G1-K0 88.1060 88.1830 17.5090 17.8880
J2-K0 48.5900 48.5820 343.1100 343.3670
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 60822.22600603
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 87.996
HIERARCH ESO ISS PBL12 END 88.234
HIERARCH ESO ISS PBLA12 START 110.7
HIERARCH ESO ISS PBLA12 END 110.9
HIERARCH ESO ISS PBL13 START 123.088
HIERARCH ESO ISS PBL13 END 123.563
HIERARCH ESO ISS PBLA13 START 87.0
HIERARCH ESO ISS PBLA13 END 87.3
HIERARCH ESO ISS PBL14 START 120.969
HIERARCH ESO ISS PBL14 END 121.425
HIERARCH ESO ISS PBLA14 START 64.085
HIERARCH ESO ISS PBLA14 END 64.412
HIERARCH ESO ISS PBL23 START 55.308
HIERARCH ESO ISS PBL23 END 55.471
HIERARCH ESO ISS PBLA23 START 47.3
HIERARCH ESO ISS PBLA23 END 47.6
HIERARCH ESO ISS PBL24 START 88.106
HIERARCH ESO ISS PBL24 END 88.183
HIERARCH ESO ISS PBLA24 START 17.509
HIERARCH ESO ISS PBLA24 END 17.888
HIERARCH ESO ISS PBL34 START 48.59
HIERARCH ESO ISS PBL34 END 48.582
HIERARCH ESO ISS PBLA34 START 343.11
HIERARCH ESO ISS PBLA34 END 343.367
HIERARCH ESO ISS AMBI TAU0 START 0.004611
HIERARCH ESO ISS AMBI TAU0 END 0.004352
HIERARCH ESO ISS AMBI TEMP 11.0
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.52