Exposure
ID
GRAVI.2025-05-28T04:40:47.188_1
Header ID
GRAVI.2025-05-28T04:40:47.188
Date updated
2025-05-28 04:51:01 UTC+0000
Release date
2025-05-28 04:40:47 UTC+0000
UTC Start
2025-05-28 04:40:47.188
UTC End
2025-05-28 04:43:27.188
MJD Start
60823.1949906
MJD End
60823.196842451856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0033365
Ambient temperature (°C)
12.95
Seeing (arcsec)
0.77
Observation
ID
67615
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
50286
Name
HD_158619
RA
262.944602
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 86.2770 86.5530 106.9000 107.3000
A0-J2 124.8080 125.1580 82.9000 83.3000
A0-K0 125.8690 126.0820 61.0400 61.4990
G1-J2 57.8990 57.9450 45.5000 46.0000
G1-K0 90.3870 90.3720 17.7760 18.1550
J2-K0 47.5280 47.5600 343.2260 343.5040
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 60823.1949906
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 158619
HIERARCH ESO INS SOBJ NAME HD_158619
RA 262.944602
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 86.277
HIERARCH ESO ISS PBL12 END 86.553
HIERARCH ESO ISS PBLA12 START 106.9
HIERARCH ESO ISS PBLA12 END 107.3
HIERARCH ESO ISS PBL13 START 124.808
HIERARCH ESO ISS PBL13 END 125.158
HIERARCH ESO ISS PBLA13 START 82.9
HIERARCH ESO ISS PBLA13 END 83.3
HIERARCH ESO ISS PBL14 START 125.869
HIERARCH ESO ISS PBL14 END 126.082
HIERARCH ESO ISS PBLA14 START 61.04
HIERARCH ESO ISS PBLA14 END 61.499
HIERARCH ESO ISS PBL23 START 57.899
HIERARCH ESO ISS PBL23 END 57.945
HIERARCH ESO ISS PBLA23 START 45.5
HIERARCH ESO ISS PBLA23 END 46.0
HIERARCH ESO ISS PBL24 START 90.387
HIERARCH ESO ISS PBL24 END 90.372
HIERARCH ESO ISS PBLA24 START 17.776
HIERARCH ESO ISS PBLA24 END 18.155
HIERARCH ESO ISS PBL34 START 47.528
HIERARCH ESO ISS PBL34 END 47.56
HIERARCH ESO ISS PBLA34 START 343.226
HIERARCH ESO ISS PBLA34 END 343.504
HIERARCH ESO ISS AMBI TAU0 START 0.003949
HIERARCH ESO ISS AMBI TAU0 END 0.002724
HIERARCH ESO ISS AMBI TEMP 12.95
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.8