Exposure
ID
GRAVI.2025-09-01T00:05:17.790_1
Header ID
GRAVI.2025-09-01T00:05:17.790
Date updated
2025-09-01 00:15:56 UTC+0000
Release date
2026-09-01 00:15:56 UTC+0000
UTC Start
2025-09-01 00:05:17.790
UTC End
2025-09-01 00:07:57.790
MJD Start
60919.00367812
MJD End
60919.00552997186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.001993
Ambient temperature (°C)
6.8
Seeing (arcsec)
1.28
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 90.5080 90.5010 113.6000 113.5000
A0-J2 126.2500 126.5940 93.8000 93.8000
A0-K0 118.1720 118.7680 73.6140 73.6290
G1-J2 51.2440 51.5400 57.1000 57.3000
G1-K0 75.9560 76.2100 23.6210 23.9850
J2-K0 43.6310 43.5510 343.2150 343.4950
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 60919.00367812
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 90.508
HIERARCH ESO ISS PBL12 END 90.501
HIERARCH ESO ISS PBLA12 START 113.6
HIERARCH ESO ISS PBLA12 END 113.5
HIERARCH ESO ISS PBL13 START 126.25
HIERARCH ESO ISS PBL13 END 126.594
HIERARCH ESO ISS PBLA13 START 93.8
HIERARCH ESO ISS PBLA13 END 93.8
HIERARCH ESO ISS PBL14 START 118.172
HIERARCH ESO ISS PBL14 END 118.768
HIERARCH ESO ISS PBLA14 START 73.614
HIERARCH ESO ISS PBLA14 END 73.629
HIERARCH ESO ISS PBL23 START 51.244
HIERARCH ESO ISS PBL23 END 51.54
HIERARCH ESO ISS PBLA23 START 57.1
HIERARCH ESO ISS PBLA23 END 57.3
HIERARCH ESO ISS PBL24 START 75.956
HIERARCH ESO ISS PBL24 END 76.21
HIERARCH ESO ISS PBLA24 START 23.621
HIERARCH ESO ISS PBLA24 END 23.985
HIERARCH ESO ISS PBL34 START 43.631
HIERARCH ESO ISS PBL34 END 43.551
HIERARCH ESO ISS PBLA34 START 343.215
HIERARCH ESO ISS PBLA34 END 343.495
HIERARCH ESO ISS AMBI TAU0 START 0.001993
HIERARCH ESO ISS AMBI TAU0 END 0.001993
HIERARCH ESO ISS AMBI TEMP 6.8
HIERARCH ESO ISS AMBI FWHM START 1.34
HIERARCH ESO ISS AMBI FWHM END 1.22