Exposure
ID
GRAVI.2025-06-24T06:35:16.380_1
Header ID
GRAVI.2025-06-24T06:35:16.380
Date updated
2025-06-24 06:50:55 UTC+0000
Release date
2026-06-24 06:50:55 UTC+0000
UTC Start
2025-06-24 06:35:16.380
UTC End
2025-06-24 06:38:28.380
MJD Start
60850.27449514
MJD End
60850.27671736223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0029674999999999997
Ambient temperature (°C)
11.22
Seeing (arcsec)
0.685
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 24.3880 24.3490 157.1000 157.7000
A0-D0 29.0160 28.8130 80.7000 81.0000
A0-C1 20.7650 20.6610 130.2460 130.8410
B2-D0 33.2510 33.1910 35.2000 35.4000
B2-C1 11.0770 11.0570 35.1480 35.3530
D0-C1 22.1740 22.1340 215.2080 215.4120
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 60850.27449514
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 24.388
HIERARCH ESO ISS PBL12 END 24.349
HIERARCH ESO ISS PBLA12 START 157.1
HIERARCH ESO ISS PBLA12 END 157.7
HIERARCH ESO ISS PBL13 START 29.016
HIERARCH ESO ISS PBL13 END 28.813
HIERARCH ESO ISS PBLA13 START 80.7
HIERARCH ESO ISS PBLA13 END 81.0
HIERARCH ESO ISS PBL14 START 20.765
HIERARCH ESO ISS PBL14 END 20.661
HIERARCH ESO ISS PBLA14 START 130.246
HIERARCH ESO ISS PBLA14 END 130.841
HIERARCH ESO ISS PBL23 START 33.251
HIERARCH ESO ISS PBL23 END 33.191
HIERARCH ESO ISS PBLA23 START 35.2
HIERARCH ESO ISS PBLA23 END 35.4
HIERARCH ESO ISS PBL24 START 11.077
HIERARCH ESO ISS PBL24 END 11.057
HIERARCH ESO ISS PBLA24 START 35.148
HIERARCH ESO ISS PBLA24 END 35.353
HIERARCH ESO ISS PBL34 START 22.174
HIERARCH ESO ISS PBL34 END 22.134
HIERARCH ESO ISS PBLA34 START 215.208
HIERARCH ESO ISS PBLA34 END 215.412
HIERARCH ESO ISS AMBI TAU0 START 0.002695
HIERARCH ESO ISS AMBI TAU0 END 0.00324
HIERARCH ESO ISS AMBI TEMP 11.22
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.64