Exposure
ID
GRAVI.2025-06-17T06:46:40.761_1
Header ID
GRAVI.2025-06-17T06:46:40.761
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 06:46:40.761
UTC End
2025-06-17 06:49:20.761
MJD Start
60843.28241622
MJD End
60843.28426807185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0025065
Ambient temperature (°C)
6.95
Seeing (arcsec)
0.895
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 86.1770 85.9730 136.5000 137.1000
A0-J2 116.2150 115.6560 113.1000 113.6000
A0-K0 111.0460 110.3610 88.7570 89.1670
G1-J2 50.5680 50.2750 70.4000 70.7000
G1-K0 83.0300 82.7890 38.5380 38.7460
J2-K0 48.1300 48.1230 4.8890 5.2160
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 60843.28241622
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 86.177
HIERARCH ESO ISS PBL12 END 85.973
HIERARCH ESO ISS PBLA12 START 136.5
HIERARCH ESO ISS PBLA12 END 137.1
HIERARCH ESO ISS PBL13 START 116.215
HIERARCH ESO ISS PBL13 END 115.656
HIERARCH ESO ISS PBLA13 START 113.1
HIERARCH ESO ISS PBLA13 END 113.6
HIERARCH ESO ISS PBL14 START 111.046
HIERARCH ESO ISS PBL14 END 110.361
HIERARCH ESO ISS PBLA14 START 88.757
HIERARCH ESO ISS PBLA14 END 89.167
HIERARCH ESO ISS PBL23 START 50.568
HIERARCH ESO ISS PBL23 END 50.275
HIERARCH ESO ISS PBLA23 START 70.4
HIERARCH ESO ISS PBLA23 END 70.7
HIERARCH ESO ISS PBL24 START 83.03
HIERARCH ESO ISS PBL24 END 82.789
HIERARCH ESO ISS PBLA24 START 38.538
HIERARCH ESO ISS PBLA24 END 38.746
HIERARCH ESO ISS PBL34 START 48.13
HIERARCH ESO ISS PBL34 END 48.123
HIERARCH ESO ISS PBLA34 START 4.889
HIERARCH ESO ISS PBLA34 END 5.216
HIERARCH ESO ISS AMBI TAU0 START 0.002517
HIERARCH ESO ISS AMBI TAU0 END 0.002496
HIERARCH ESO ISS AMBI TEMP 6.95
HIERARCH ESO ISS AMBI FWHM START 0.92
HIERARCH ESO ISS AMBI FWHM END 0.87