Exposure
ID
GRAVI.2025-05-26T07:34:25.993_1
Header ID
GRAVI.2025-05-26T07:34:25.993
Date updated
2025-05-26 07:51:00 UTC+0000
Release date
2025-05-26 07:34:25 UTC+0000
UTC Start
2025-05-26 07:34:25.993
UTC End
2025-05-26 07:37:05.993
MJD Start
60821.31557862
MJD End
60821.317430471856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0046335000000000005
Ambient temperature (°C)
11.38
Seeing (arcsec)
0.59
Observation
ID
67592
Category
calibrator
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
50268
Name
HD_182477
RA
291.338024
DEC
-13.89675
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 90.4980 90.4760 114.5000 114.7000
A0-J2 128.9650 129.0600 91.7000 91.9000
A0-K0 126.8910 127.0780 70.1640 70.3630
G1-J2 57.4110 57.5070 54.2000 54.4000
G1-K0 88.6660 88.7600 24.6680 24.9670
J2-K0 47.9330 47.9120 348.5130 348.8050
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60821.31557862
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 182477
HIERARCH ESO INS SOBJ NAME HD_182477
RA 291.338024
DEC -13.89675
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 90.498
HIERARCH ESO ISS PBL12 END 90.476
HIERARCH ESO ISS PBLA12 START 114.5
HIERARCH ESO ISS PBLA12 END 114.7
HIERARCH ESO ISS PBL13 START 128.965
HIERARCH ESO ISS PBL13 END 129.06
HIERARCH ESO ISS PBLA13 START 91.7
HIERARCH ESO ISS PBLA13 END 91.9
HIERARCH ESO ISS PBL14 START 126.891
HIERARCH ESO ISS PBL14 END 127.078
HIERARCH ESO ISS PBLA14 START 70.164
HIERARCH ESO ISS PBLA14 END 70.363
HIERARCH ESO ISS PBL23 START 57.411
HIERARCH ESO ISS PBL23 END 57.507
HIERARCH ESO ISS PBLA23 START 54.2
HIERARCH ESO ISS PBLA23 END 54.4
HIERARCH ESO ISS PBL24 START 88.666
HIERARCH ESO ISS PBL24 END 88.76
HIERARCH ESO ISS PBLA24 START 24.668
HIERARCH ESO ISS PBLA24 END 24.967
HIERARCH ESO ISS PBL34 START 47.933
HIERARCH ESO ISS PBL34 END 47.912
HIERARCH ESO ISS PBLA34 START 348.513
HIERARCH ESO ISS PBLA34 END 348.805
HIERARCH ESO ISS AMBI TAU0 START 0.00458
HIERARCH ESO ISS AMBI TAU0 END 0.004687
HIERARCH ESO ISS AMBI TEMP 11.38
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.6