Exposure
ID
GRAVI.2025-06-17T06:36:37.736_1
Header ID
GRAVI.2025-06-17T06:36:37.736
Date updated
2025-06-17 06:51:09 UTC+0000
Release date
2026-06-17 06:51:08 UTC+0000
UTC Start
2025-06-17 06:36:37.736
UTC End
2025-06-17 06:39:17.736
MJD Start
60843.27543676
MJD End
60843.277288611855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0022785
Ambient temperature (°C)
6.94
Seeing (arcsec)
0.89
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 86.8560 86.6610 134.6000 135.2000
A0-J2 118.0590 117.5320 111.3000 111.8000
A0-K0 113.2920 112.6520 87.3690 87.7720
G1-J2 51.5270 51.2540 69.3000 69.6000
G1-K0 83.8200 83.5950 37.8020 38.0210
J2-K0 48.1490 48.1440 3.7670 4.0950
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 60843.27543676
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 86.856
HIERARCH ESO ISS PBL12 END 86.661
HIERARCH ESO ISS PBLA12 START 134.6
HIERARCH ESO ISS PBLA12 END 135.2
HIERARCH ESO ISS PBL13 START 118.059
HIERARCH ESO ISS PBL13 END 117.532
HIERARCH ESO ISS PBLA13 START 111.3
HIERARCH ESO ISS PBLA13 END 111.8
HIERARCH ESO ISS PBL14 START 113.292
HIERARCH ESO ISS PBL14 END 112.652
HIERARCH ESO ISS PBLA14 START 87.369
HIERARCH ESO ISS PBLA14 END 87.772
HIERARCH ESO ISS PBL23 START 51.527
HIERARCH ESO ISS PBL23 END 51.254
HIERARCH ESO ISS PBLA23 START 69.3
HIERARCH ESO ISS PBLA23 END 69.6
HIERARCH ESO ISS PBL24 START 83.82
HIERARCH ESO ISS PBL24 END 83.595
HIERARCH ESO ISS PBLA24 START 37.802
HIERARCH ESO ISS PBLA24 END 38.021
HIERARCH ESO ISS PBL34 START 48.149
HIERARCH ESO ISS PBL34 END 48.144
HIERARCH ESO ISS PBLA34 START 3.767
HIERARCH ESO ISS PBLA34 END 4.095
HIERARCH ESO ISS AMBI TAU0 START 0.002061
HIERARCH ESO ISS AMBI TAU0 END 0.002496
HIERARCH ESO ISS AMBI TEMP 6.94
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.89