Exposure
ID
GRAVI.2025-05-26T07:10:52.933_1
Header ID
GRAVI.2025-05-26T07:10:52.933
Date updated
2025-05-26 13:42:53 UTC+0000
Release date
2026-05-26 13:42:50 UTC+0000
UTC Start
2025-05-26 07:10:52.933
UTC End
2025-05-26 07:13:32.933
MJD Start
60821.29922376
MJD End
60821.30107561185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0035694999999999998
Ambient temperature (°C)
11.41
Seeing (arcsec)
0.76
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 89.3290 89.1510 113.0000 113.0000
A0-J2 129.1310 129.1870 92.8000 92.7000
A0-K0 124.7350 125.0780 73.5690 73.5500
G1-J2 54.7750 54.9890 58.6000 58.6000
G1-K0 79.5040 79.7650 28.0570 28.3410
J2-K0 42.6270 42.5610 347.3430 347.6740
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 60821.29922376
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 89.329
HIERARCH ESO ISS PBL12 END 89.151
HIERARCH ESO ISS PBLA12 START 113.0
HIERARCH ESO ISS PBLA12 END 113.0
HIERARCH ESO ISS PBL13 START 129.131
HIERARCH ESO ISS PBL13 END 129.187
HIERARCH ESO ISS PBLA13 START 92.8
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 124.735
HIERARCH ESO ISS PBL14 END 125.078
HIERARCH ESO ISS PBLA14 START 73.569
HIERARCH ESO ISS PBLA14 END 73.55
HIERARCH ESO ISS PBL23 START 54.775
HIERARCH ESO ISS PBL23 END 54.989
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 79.504
HIERARCH ESO ISS PBL24 END 79.765
HIERARCH ESO ISS PBLA24 START 28.057
HIERARCH ESO ISS PBLA24 END 28.341
HIERARCH ESO ISS PBL34 START 42.627
HIERARCH ESO ISS PBL34 END 42.561
HIERARCH ESO ISS PBLA34 START 347.343
HIERARCH ESO ISS PBLA34 END 347.674
HIERARCH ESO ISS AMBI TAU0 START 0.003238
HIERARCH ESO ISS AMBI TAU0 END 0.003901
HIERARCH ESO ISS AMBI TEMP 11.41
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.74