Exposure
ID
GRAVI.2025-09-01T00:08:32.798_1
Header ID
GRAVI.2025-09-01T00:08:32.798
Date updated
2025-09-01 00:20:39 UTC+0000
Release date
2026-09-01 00:20:39 UTC+0000
UTC Start
2025-09-01 00:08:32.798
UTC End
2025-09-01 00:11:12.798
MJD Start
60919.00593516
MJD End
60919.007787011855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002173
Ambient temperature (°C)
6.78
Seeing (arcsec)
1.315
Observation
ID
67591
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
50267
Name
V492_Aql
RA
284.861258
DEC
5.37783
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 90.5000 90.4790 113.5000 113.5000
A0-J2 126.6280 126.9500 93.7000 93.7000
A0-K0 118.8280 119.4080 73.6300 73.6420
G1-J2 51.5690 51.8600 57.3000 57.4000
G1-K0 76.2360 76.4930 24.0220 24.3810
J2-K0 43.5430 43.4640 343.5230 343.8090
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 60919.00593516
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V V492 Aql
HIERARCH ESO INS SOBJ NAME V492_Aql
RA 284.861258
DEC 5.37783
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 90.5
HIERARCH ESO ISS PBL12 END 90.479
HIERARCH ESO ISS PBLA12 START 113.5
HIERARCH ESO ISS PBLA12 END 113.5
HIERARCH ESO ISS PBL13 START 126.628
HIERARCH ESO ISS PBL13 END 126.95
HIERARCH ESO ISS PBLA13 START 93.7
HIERARCH ESO ISS PBLA13 END 93.7
HIERARCH ESO ISS PBL14 START 118.828
HIERARCH ESO ISS PBL14 END 119.408
HIERARCH ESO ISS PBLA14 START 73.63
HIERARCH ESO ISS PBLA14 END 73.642
HIERARCH ESO ISS PBL23 START 51.569
HIERARCH ESO ISS PBL23 END 51.86
HIERARCH ESO ISS PBLA23 START 57.3
HIERARCH ESO ISS PBLA23 END 57.4
HIERARCH ESO ISS PBL24 START 76.236
HIERARCH ESO ISS PBL24 END 76.493
HIERARCH ESO ISS PBLA24 START 24.022
HIERARCH ESO ISS PBLA24 END 24.381
HIERARCH ESO ISS PBL34 START 43.543
HIERARCH ESO ISS PBL34 END 43.464
HIERARCH ESO ISS PBLA34 START 343.523
HIERARCH ESO ISS PBLA34 END 343.809
HIERARCH ESO ISS AMBI TAU0 START 0.001993
HIERARCH ESO ISS AMBI TAU0 END 0.002353
HIERARCH ESO ISS AMBI TEMP 6.78
HIERARCH ESO ISS AMBI FWHM START 1.22
HIERARCH ESO ISS AMBI FWHM END 1.41