Exposure
ID
GRAVI.2025-05-27T04:37:32.799_1
Header ID
GRAVI.2025-05-27T04:37:32.799
Date updated
2025-05-27 04:51:00 UTC+0000
Release date
2025-05-27 04:37:32 UTC+0000
UTC Start
2025-05-27 04:37:32.799
UTC End
2025-05-27 04:40:12.799
MJD Start
60822.19274073
MJD End
60822.19459258186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0033635
Ambient temperature (°C)
11.48
Seeing (arcsec)
0.71
Observation
ID
67605
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
50277
Name
HD_158619
RA
262.944603
DEC
-33.70334
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 85.5640 85.8630 106.1000 106.4000
A0-J2 123.8970 124.2800 81.8000 82.3000
A0-K0 125.3100 125.5460 59.8920 60.3640
G1-J2 57.7750 57.8280 44.4000 44.9000
G1-K0 90.4170 90.4050 16.8340 17.2200
J2-K0 47.4470 47.4810 342.5410 342.8190
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 60822.19274073
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 158619
HIERARCH ESO INS SOBJ NAME HD_158619
RA 262.944603
DEC -33.70334
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 85.564
HIERARCH ESO ISS PBL12 END 85.863
HIERARCH ESO ISS PBLA12 START 106.1
HIERARCH ESO ISS PBLA12 END 106.4
HIERARCH ESO ISS PBL13 START 123.897
HIERARCH ESO ISS PBL13 END 124.28
HIERARCH ESO ISS PBLA13 START 81.8
HIERARCH ESO ISS PBLA13 END 82.3
HIERARCH ESO ISS PBL14 START 125.31
HIERARCH ESO ISS PBL14 END 125.546
HIERARCH ESO ISS PBLA14 START 59.892
HIERARCH ESO ISS PBLA14 END 60.364
HIERARCH ESO ISS PBL23 START 57.775
HIERARCH ESO ISS PBL23 END 57.828
HIERARCH ESO ISS PBLA23 START 44.4
HIERARCH ESO ISS PBLA23 END 44.9
HIERARCH ESO ISS PBL24 START 90.417
HIERARCH ESO ISS PBL24 END 90.405
HIERARCH ESO ISS PBLA24 START 16.834
HIERARCH ESO ISS PBLA24 END 17.22
HIERARCH ESO ISS PBL34 START 47.447
HIERARCH ESO ISS PBL34 END 47.481
HIERARCH ESO ISS PBLA34 START 342.541
HIERARCH ESO ISS PBLA34 END 342.819
HIERARCH ESO ISS AMBI TAU0 START 0.002555
HIERARCH ESO ISS AMBI TAU0 END 0.004172
HIERARCH ESO ISS AMBI TEMP 11.48
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.64