Exposure
ID
GRAVI.2025-09-20T01:04:53.365_1
Header ID
GRAVI.2025-09-20T01:04:53.365
Date updated
2025-09-20 01:15:54 UTC+0000
Release date
2025-09-20 01:04:53 UTC+0000
UTC Start
2025-09-20 01:04:53.365
UTC End
2025-09-20 01:07:33.365
MJD Start
60938.04506209
MJD End
60938.04691394186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0020385
Ambient temperature (°C)
14.59
Seeing (arcsec)
1.1
Observation
ID
70160
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
52059
Name
HD_182477
RA
291.338026
DEC
-13.89674
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 86.9380 86.6600 119.9000 120.2000
A0-J2 125.7150 125.3320 96.1000 96.3000
A0-K0 126.4550 126.2080 74.3540 74.4960
G1-J2 58.0320 57.9770 58.8000 59.0000
G1-K0 90.3190 90.3520 30.9280 31.1420
J2-K0 47.5570 47.5480 356.0960 356.4290
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 60938.04506209
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 182477
HIERARCH ESO INS SOBJ NAME HD_182477
RA 291.338026
DEC -13.89674
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 86.938
HIERARCH ESO ISS PBL12 END 86.66
HIERARCH ESO ISS PBLA12 START 119.9
HIERARCH ESO ISS PBLA12 END 120.2
HIERARCH ESO ISS PBL13 START 125.715
HIERARCH ESO ISS PBL13 END 125.332
HIERARCH ESO ISS PBLA13 START 96.1
HIERARCH ESO ISS PBLA13 END 96.3
HIERARCH ESO ISS PBL14 START 126.455
HIERARCH ESO ISS PBL14 END 126.208
HIERARCH ESO ISS PBLA14 START 74.354
HIERARCH ESO ISS PBLA14 END 74.496
HIERARCH ESO ISS PBL23 START 58.032
HIERARCH ESO ISS PBL23 END 57.977
HIERARCH ESO ISS PBLA23 START 58.8
HIERARCH ESO ISS PBLA23 END 59.0
HIERARCH ESO ISS PBL24 START 90.319
HIERARCH ESO ISS PBL24 END 90.352
HIERARCH ESO ISS PBLA24 START 30.928
HIERARCH ESO ISS PBLA24 END 31.142
HIERARCH ESO ISS PBL34 START 47.557
HIERARCH ESO ISS PBL34 END 47.548
HIERARCH ESO ISS PBLA34 START 356.096
HIERARCH ESO ISS PBLA34 END 356.429
HIERARCH ESO ISS AMBI TAU0 START 0.00201
HIERARCH ESO ISS AMBI TAU0 END 0.002067
HIERARCH ESO ISS AMBI TEMP 14.59
HIERARCH ESO ISS AMBI FWHM START 1.09
HIERARCH ESO ISS AMBI FWHM END 1.11