Exposure
ID
GRAVI.2025-04-28T07:39:32.549_1
Header ID
GRAVI.2025-04-28T07:39:32.549
Date updated
2025-04-28 07:50:39 UTC+0000
Release date
2025-04-28 07:39:32 UTC+0000
UTC Start
2025-04-28 07:39:32.549
UTC End
2025-04-28 07:42:12.549
MJD Start
60793.31912672
MJD End
60793.32097857186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005191
Ambient temperature (°C)
12.54
Seeing (arcsec)
0.34
Observation
ID
67031
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
49839
Name
HD_158619
RA
262.944604
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 90.0550 90.1390 114.5000 114.9000
A0-J2 129.1230 129.1730 91.5000 91.9000
A0-K0 127.9570 127.9260 69.9590 70.3760
G1-J2 58.1140 58.0800 54.2000 54.6000
G1-K0 89.7470 89.6930 25.2340 25.5830
J2-K0 48.0080 48.0240 349.3540 349.6780
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 60793.31912672
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 158619
HIERARCH ESO INS SOBJ NAME HD_158619
RA 262.944604
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 90.055
HIERARCH ESO ISS PBL12 END 90.139
HIERARCH ESO ISS PBLA12 START 114.5
HIERARCH ESO ISS PBLA12 END 114.9
HIERARCH ESO ISS PBL13 START 129.123
HIERARCH ESO ISS PBL13 END 129.173
HIERARCH ESO ISS PBLA13 START 91.5
HIERARCH ESO ISS PBLA13 END 91.9
HIERARCH ESO ISS PBL14 START 127.957
HIERARCH ESO ISS PBL14 END 127.926
HIERARCH ESO ISS PBLA14 START 69.959
HIERARCH ESO ISS PBLA14 END 70.376
HIERARCH ESO ISS PBL23 START 58.114
HIERARCH ESO ISS PBL23 END 58.08
HIERARCH ESO ISS PBLA23 START 54.2
HIERARCH ESO ISS PBLA23 END 54.6
HIERARCH ESO ISS PBL24 START 89.747
HIERARCH ESO ISS PBL24 END 89.693
HIERARCH ESO ISS PBLA24 START 25.234
HIERARCH ESO ISS PBLA24 END 25.583
HIERARCH ESO ISS PBL34 START 48.008
HIERARCH ESO ISS PBL34 END 48.024
HIERARCH ESO ISS PBLA34 START 349.354
HIERARCH ESO ISS PBLA34 END 349.678
HIERARCH ESO ISS AMBI TAU0 START 0.005191
HIERARCH ESO ISS AMBI TAU0 END 0.005191
HIERARCH ESO ISS AMBI TEMP 12.54
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.34