Exposure
ID
GRAVI.2025-06-17T06:49:58.770_1
Header ID
GRAVI.2025-06-17T06:49:58.770
Date updated
2025-06-17 07:01:17 UTC+0000
Release date
2026-06-17 07:01:17 UTC+0000
UTC Start
2025-06-17 06:49:58.770
UTC End
2025-06-17 06:52:38.770
MJD Start
60843.28470799
MJD End
60843.28655984186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002496
Ambient temperature (°C)
7.1
Seeing (arcsec)
0.87
Observation
ID
68144
Category
science
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
50652
Name
CD-3411794
RA
263.707529
DEC
-34.27683
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 85.9520 85.7460 137.1000 137.7000
A0-J2 115.5990 115.0300 113.7000 114.2000
A0-K0 110.2910 109.5930 89.2090 89.6220
G1-J2 50.2450 49.9460 70.7000 71.0000
G1-K0 82.7640 82.5170 38.7670 38.9720
J2-K0 48.1220 48.1150 5.2490 5.5750
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60843.28470799
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME CD-34 11794
HIERARCH ESO INS SOBJ NAME CD-3411794
RA 263.707529
DEC -34.27683
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 85.952
HIERARCH ESO ISS PBL12 END 85.746
HIERARCH ESO ISS PBLA12 START 137.1
HIERARCH ESO ISS PBLA12 END 137.7
HIERARCH ESO ISS PBL13 START 115.599
HIERARCH ESO ISS PBL13 END 115.03
HIERARCH ESO ISS PBLA13 START 113.7
HIERARCH ESO ISS PBLA13 END 114.2
HIERARCH ESO ISS PBL14 START 110.291
HIERARCH ESO ISS PBL14 END 109.593
HIERARCH ESO ISS PBLA14 START 89.209
HIERARCH ESO ISS PBLA14 END 89.622
HIERARCH ESO ISS PBL23 START 50.245
HIERARCH ESO ISS PBL23 END 49.946
HIERARCH ESO ISS PBLA23 START 70.7
HIERARCH ESO ISS PBLA23 END 71.0
HIERARCH ESO ISS PBL24 START 82.764
HIERARCH ESO ISS PBL24 END 82.517
HIERARCH ESO ISS PBLA24 START 38.767
HIERARCH ESO ISS PBLA24 END 38.972
HIERARCH ESO ISS PBL34 START 48.122
HIERARCH ESO ISS PBL34 END 48.115
HIERARCH ESO ISS PBLA34 START 5.249
HIERARCH ESO ISS PBLA34 END 5.575
HIERARCH ESO ISS AMBI TAU0 START 0.002496
HIERARCH ESO ISS AMBI TAU0 END 0.002496
HIERARCH ESO ISS AMBI TEMP 7.1
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.87