Exposure
ID
GRAVI.2025-09-01T00:33:08.861_1
Header ID
GRAVI.2025-09-01T00:33:08.861
Date updated
2025-09-01 00:45:55 UTC+0000
Release date
2025-09-01 00:33:08 UTC+0000
UTC Start
2025-09-01 00:33:08.861
UTC End
2025-09-01 00:35:48.861
MJD Start
60919.02301922
MJD End
60919.02487107186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002056
Ambient temperature (°C)
6.83
Seeing (arcsec)
1.395
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 89.8030 89.9280 112.5000 112.7000
A0-J2 126.1940 126.5350 89.6000 89.8000
A0-K0 123.2400 123.6330 67.3460 67.6000
G1-J2 55.8140 55.9730 50.8000 51.1000
G1-K0 87.4500 87.5530 20.6020 20.9580
J2-K0 48.1940 48.1730 345.0170 345.2930
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 60919.02301922
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 89.803
HIERARCH ESO ISS PBL12 END 89.928
HIERARCH ESO ISS PBLA12 START 112.5
HIERARCH ESO ISS PBLA12 END 112.7
HIERARCH ESO ISS PBL13 START 126.194
HIERARCH ESO ISS PBL13 END 126.535
HIERARCH ESO ISS PBLA13 START 89.6
HIERARCH ESO ISS PBLA13 END 89.8
HIERARCH ESO ISS PBL14 START 123.24
HIERARCH ESO ISS PBL14 END 123.633
HIERARCH ESO ISS PBLA14 START 67.346
HIERARCH ESO ISS PBLA14 END 67.6
HIERARCH ESO ISS PBL23 START 55.814
HIERARCH ESO ISS PBL23 END 55.973
HIERARCH ESO ISS PBLA23 START 50.8
HIERARCH ESO ISS PBLA23 END 51.1
HIERARCH ESO ISS PBL24 START 87.45
HIERARCH ESO ISS PBL24 END 87.553
HIERARCH ESO ISS PBLA24 START 20.602
HIERARCH ESO ISS PBLA24 END 20.958
HIERARCH ESO ISS PBL34 START 48.194
HIERARCH ESO ISS PBL34 END 48.173
HIERARCH ESO ISS PBLA34 START 345.017
HIERARCH ESO ISS PBLA34 END 345.293
HIERARCH ESO ISS AMBI TAU0 START 0.002176
HIERARCH ESO ISS AMBI TAU0 END 0.001936
HIERARCH ESO ISS AMBI TEMP 6.83
HIERARCH ESO ISS AMBI FWHM START 1.42
HIERARCH ESO ISS AMBI FWHM END 1.37