Exposure
ID
GRAVI.2025-05-26T07:14:10.941_1
Header ID
GRAVI.2025-05-26T07:14:10.941
Date updated
2025-05-26 07:31:21 UTC+0000
Release date
2026-05-26 07:31:21 UTC+0000
UTC Start
2025-05-26 07:14:10.941
UTC End
2025-05-26 07:16:50.941
MJD Start
60821.30151552
MJD End
60821.30336737185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003859
Ambient temperature (°C)
11.39
Seeing (arcsec)
0.7050000000000001
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 89.1300 88.9380 113.0000 112.9000
A0-J2 129.1920 129.2250 92.7000 92.7000
A0-K0 125.1160 125.4380 73.5470 73.5170
G1-J2 55.0120 55.2190 58.6000 58.7000
G1-K0 79.7940 80.0540 28.3730 28.6420
J2-K0 42.5540 42.4900 347.7110 348.0370
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 60821.30151552
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 89.13
HIERARCH ESO ISS PBL12 END 88.938
HIERARCH ESO ISS PBLA12 START 113.0
HIERARCH ESO ISS PBLA12 END 112.9
HIERARCH ESO ISS PBL13 START 129.192
HIERARCH ESO ISS PBL13 END 129.225
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 125.116
HIERARCH ESO ISS PBL14 END 125.438
HIERARCH ESO ISS PBLA14 START 73.547
HIERARCH ESO ISS PBLA14 END 73.517
HIERARCH ESO ISS PBL23 START 55.012
HIERARCH ESO ISS PBL23 END 55.219
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.7
HIERARCH ESO ISS PBL24 START 79.794
HIERARCH ESO ISS PBL24 END 80.054
HIERARCH ESO ISS PBLA24 START 28.373
HIERARCH ESO ISS PBLA24 END 28.642
HIERARCH ESO ISS PBL34 START 42.554
HIERARCH ESO ISS PBL34 END 42.49
HIERARCH ESO ISS PBLA34 START 347.711
HIERARCH ESO ISS PBLA34 END 348.037
HIERARCH ESO ISS AMBI TAU0 START 0.003842
HIERARCH ESO ISS AMBI TAU0 END 0.003876
HIERARCH ESO ISS AMBI TEMP 11.39
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.68