Exposure
ID
GRAVI.2025-09-01T00:23:11.836_1
Header ID
GRAVI.2025-09-01T00:23:11.836
Date updated
2025-09-01 00:36:01 UTC+0000
Release date
2025-09-01 00:23:11 UTC+0000
UTC Start
2025-09-01 00:23:11.836
UTC End
2025-09-01 00:25:51.836
MJD Start
60919.01610921
MJD End
60919.01796106186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.00207
Ambient temperature (°C)
6.88
Seeing (arcsec)
1.3599999999999999
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 89.2930 89.4590 112.1000 112.2000
A0-J2 124.9040 125.3100 89.0000 89.2000
A0-K0 121.8060 122.2490 66.4620 66.7300
G1-J2 55.2450 55.4190 49.7000 50.0000
G1-K0 87.1050 87.2070 19.3830 19.7480
J2-K0 48.2660 48.2450 344.1120 344.3770
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 60919.01610921
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 89.293
HIERARCH ESO ISS PBL12 END 89.459
HIERARCH ESO ISS PBLA12 START 112.1
HIERARCH ESO ISS PBLA12 END 112.2
HIERARCH ESO ISS PBL13 START 124.904
HIERARCH ESO ISS PBL13 END 125.31
HIERARCH ESO ISS PBLA13 START 89.0
HIERARCH ESO ISS PBLA13 END 89.2
HIERARCH ESO ISS PBL14 START 121.806
HIERARCH ESO ISS PBL14 END 122.249
HIERARCH ESO ISS PBLA14 START 66.462
HIERARCH ESO ISS PBLA14 END 66.73
HIERARCH ESO ISS PBL23 START 55.245
HIERARCH ESO ISS PBL23 END 55.419
HIERARCH ESO ISS PBLA23 START 49.7
HIERARCH ESO ISS PBLA23 END 50.0
HIERARCH ESO ISS PBL24 START 87.105
HIERARCH ESO ISS PBL24 END 87.207
HIERARCH ESO ISS PBLA24 START 19.383
HIERARCH ESO ISS PBLA24 END 19.748
HIERARCH ESO ISS PBL34 START 48.266
HIERARCH ESO ISS PBL34 END 48.245
HIERARCH ESO ISS PBLA34 START 344.112
HIERARCH ESO ISS PBLA34 END 344.377
HIERARCH ESO ISS AMBI TAU0 START 0.001919
HIERARCH ESO ISS AMBI TAU0 END 0.002221
HIERARCH ESO ISS AMBI TEMP 6.88
HIERARCH ESO ISS AMBI FWHM START 1.45
HIERARCH ESO ISS AMBI FWHM END 1.27