Exposure
ID
GRAVI.2025-06-24T06:43:28.401_1
Header ID
GRAVI.2025-06-24T06:43:28.401
Date updated
2025-06-24 06:55:47 UTC+0000
Release date
2026-06-24 06:55:46 UTC+0000
UTC Start
2025-06-24 06:43:28.401
UTC End
2025-06-24 06:46:40.401
MJD Start
60850.28018983
MJD End
60850.28241205223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0028405
Ambient temperature (°C)
11.16
Seeing (arcsec)
0.695
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 24.3020 24.2630 158.4000 159.0000
A0-D0 28.5570 28.3400 81.3000 81.6000
A0-C1 20.5330 20.4260 131.5800 132.2000
B2-D0 33.1140 33.0480 35.6000 35.8000
B2-C1 11.0310 11.0090 35.5940 35.7860
D0-C1 22.0830 22.0390 215.6530 215.8450
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 60850.28018983
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 24.302
HIERARCH ESO ISS PBL12 END 24.263
HIERARCH ESO ISS PBLA12 START 158.4
HIERARCH ESO ISS PBLA12 END 159.0
HIERARCH ESO ISS PBL13 START 28.557
HIERARCH ESO ISS PBL13 END 28.34
HIERARCH ESO ISS PBLA13 START 81.3
HIERARCH ESO ISS PBLA13 END 81.6
HIERARCH ESO ISS PBL14 START 20.533
HIERARCH ESO ISS PBL14 END 20.426
HIERARCH ESO ISS PBLA14 START 131.58
HIERARCH ESO ISS PBLA14 END 132.2
HIERARCH ESO ISS PBL23 START 33.114
HIERARCH ESO ISS PBL23 END 33.048
HIERARCH ESO ISS PBLA23 START 35.6
HIERARCH ESO ISS PBLA23 END 35.8
HIERARCH ESO ISS PBL24 START 11.031
HIERARCH ESO ISS PBL24 END 11.009
HIERARCH ESO ISS PBLA24 START 35.594
HIERARCH ESO ISS PBLA24 END 35.786
HIERARCH ESO ISS PBL34 START 22.083
HIERARCH ESO ISS PBL34 END 22.039
HIERARCH ESO ISS PBLA34 START 215.653
HIERARCH ESO ISS PBLA34 END 215.845
HIERARCH ESO ISS AMBI TAU0 START 0.002955
HIERARCH ESO ISS AMBI TAU0 END 0.002726
HIERARCH ESO ISS AMBI TEMP 11.16
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.7