Exposure
ID
GRAVI.2025-05-19T09:27:39.814_1
Header ID
GRAVI.2025-05-19T09:27:39.814
Date updated
2025-05-19 09:41:03 UTC+0000
Release date
2026-05-19 09:41:02 UTC+0000
UTC Start
2025-05-19 09:27:39.814
UTC End
2025-05-19 09:30:51.814
MJD Start
60814.39421081
MJD End
60814.39643303223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0060105
Ambient temperature (°C)
12.54
Seeing (arcsec)
0.6499999999999999
Observation
ID
67460
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
50182
Name
VX_Sgr
RA
272.014459
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.0720 24.0370 162.1000 162.7000
A0-D0 27.1290 26.8740 83.1000 83.3000
A0-C1 19.8560 19.7430 135.5530 136.2410
B2-D0 32.6640 32.5810 36.7000 36.9000
B2-C1 10.8820 10.8540 36.6720 36.8250
D0-C1 21.7820 21.7270 216.7300 216.8820
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 60814.39421081
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V VX Sgr
HIERARCH ESO INS SOBJ NAME VX_Sgr
RA 272.014459
DEC -22.22406
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 24.072
HIERARCH ESO ISS PBL12 END 24.037
HIERARCH ESO ISS PBLA12 START 162.1
HIERARCH ESO ISS PBLA12 END 162.7
HIERARCH ESO ISS PBL13 START 27.129
HIERARCH ESO ISS PBL13 END 26.874
HIERARCH ESO ISS PBLA13 START 83.1
HIERARCH ESO ISS PBLA13 END 83.3
HIERARCH ESO ISS PBL14 START 19.856
HIERARCH ESO ISS PBL14 END 19.743
HIERARCH ESO ISS PBLA14 START 135.553
HIERARCH ESO ISS PBLA14 END 136.241
HIERARCH ESO ISS PBL23 START 32.664
HIERARCH ESO ISS PBL23 END 32.581
HIERARCH ESO ISS PBLA23 START 36.7
HIERARCH ESO ISS PBLA23 END 36.9
HIERARCH ESO ISS PBL24 START 10.882
HIERARCH ESO ISS PBL24 END 10.854
HIERARCH ESO ISS PBLA24 START 36.672
HIERARCH ESO ISS PBLA24 END 36.825
HIERARCH ESO ISS PBL34 START 21.782
HIERARCH ESO ISS PBL34 END 21.727
HIERARCH ESO ISS PBLA34 START 216.73
HIERARCH ESO ISS PBLA34 END 216.882
HIERARCH ESO ISS AMBI TAU0 START 0.006715
HIERARCH ESO ISS AMBI TAU0 END 0.005306
HIERARCH ESO ISS AMBI TEMP 12.54
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.69