Exposure
ID
GRAVI.2025-05-26T07:24:10.966_1
Header ID
GRAVI.2025-05-26T07:24:10.966
Date updated
2025-05-26 07:36:07 UTC+0000
Release date
2026-05-26 07:36:07 UTC+0000
UTC Start
2025-05-26 07:24:10.966
UTC End
2025-05-26 07:26:50.966
MJD Start
60821.30846026
MJD End
60821.310312111855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004337000000000001
Ambient temperature (°C)
11.44
Seeing (arcsec)
0.61
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 88.4290 88.1940 112.9000 112.9000
A0-J2 129.2160 129.1760 92.5000 92.4000
A0-K0 126.1290 126.3870 73.4440 73.4130
G1-J2 55.6840 55.8670 58.8000 58.9000
G1-K0 80.6710 80.9280 29.2710 29.5280
J2-K0 42.3440 42.2850 348.8370 349.1810
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 60821.30846026
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 88.429
HIERARCH ESO ISS PBL12 END 88.194
HIERARCH ESO ISS PBLA12 START 112.9
HIERARCH ESO ISS PBLA12 END 112.9
HIERARCH ESO ISS PBL13 START 129.216
HIERARCH ESO ISS PBL13 END 129.176
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.4
HIERARCH ESO ISS PBL14 START 126.129
HIERARCH ESO ISS PBL14 END 126.387
HIERARCH ESO ISS PBLA14 START 73.444
HIERARCH ESO ISS PBLA14 END 73.413
HIERARCH ESO ISS PBL23 START 55.684
HIERARCH ESO ISS PBL23 END 55.867
HIERARCH ESO ISS PBLA23 START 58.8
HIERARCH ESO ISS PBLA23 END 58.9
HIERARCH ESO ISS PBL24 START 80.671
HIERARCH ESO ISS PBL24 END 80.928
HIERARCH ESO ISS PBLA24 START 29.271
HIERARCH ESO ISS PBLA24 END 29.528
HIERARCH ESO ISS PBL34 START 42.344
HIERARCH ESO ISS PBL34 END 42.285
HIERARCH ESO ISS PBLA34 START 348.837
HIERARCH ESO ISS PBLA34 END 349.181
HIERARCH ESO ISS AMBI TAU0 START 0.004367
HIERARCH ESO ISS AMBI TAU0 END 0.004307
HIERARCH ESO ISS AMBI TEMP 11.44
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.6