Exposure
ID
GRAVI.2025-06-24T06:27:07.360_1
Header ID
GRAVI.2025-06-24T06:27:07.360
Date updated
2025-06-24 06:36:05 UTC+0000
Release date
2026-06-24 06:36:05 UTC+0000
UTC Start
2025-06-24 06:27:07.360
UTC End
2025-06-24 06:30:19.360
MJD Start
60850.26883518
MJD End
60850.27105740223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.00299
Ambient temperature (°C)
11.29
Seeing (arcsec)
0.7
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 24.4740 24.4350 155.9000 156.5000
A0-D0 29.4400 29.2510 80.0000 80.3000
A0-C1 20.9860 20.8870 128.9700 129.5430
B2-D0 33.3730 33.3190 34.7000 34.9000
B2-C1 11.1170 11.0990 34.6760 34.8940
D0-C1 22.2560 22.2200 214.7360 214.9540
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 60850.26883518
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 24.474
HIERARCH ESO ISS PBL12 END 24.435
HIERARCH ESO ISS PBLA12 START 155.9
HIERARCH ESO ISS PBLA12 END 156.5
HIERARCH ESO ISS PBL13 START 29.44
HIERARCH ESO ISS PBL13 END 29.251
HIERARCH ESO ISS PBLA13 START 80.0
HIERARCH ESO ISS PBLA13 END 80.3
HIERARCH ESO ISS PBL14 START 20.986
HIERARCH ESO ISS PBL14 END 20.887
HIERARCH ESO ISS PBLA14 START 128.97
HIERARCH ESO ISS PBLA14 END 129.543
HIERARCH ESO ISS PBL23 START 33.373
HIERARCH ESO ISS PBL23 END 33.319
HIERARCH ESO ISS PBLA23 START 34.7
HIERARCH ESO ISS PBLA23 END 34.9
HIERARCH ESO ISS PBL24 START 11.117
HIERARCH ESO ISS PBL24 END 11.099
HIERARCH ESO ISS PBLA24 START 34.676
HIERARCH ESO ISS PBLA24 END 34.894
HIERARCH ESO ISS PBL34 START 22.256
HIERARCH ESO ISS PBL34 END 22.22
HIERARCH ESO ISS PBLA34 START 214.736
HIERARCH ESO ISS PBLA34 END 214.954
HIERARCH ESO ISS AMBI TAU0 START 0.00299
HIERARCH ESO ISS AMBI TAU0 END 0.00299
HIERARCH ESO ISS AMBI TEMP 11.29
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.73