Exposure
ID
GRAVI.2025-05-26T07:37:41.001_1
Header ID
GRAVI.2025-05-26T07:37:41.001
Date updated
2025-05-26 07:51:00 UTC+0000
Release date
2025-05-26 07:37:41 UTC+0000
UTC Start
2025-05-26 07:37:41.001
UTC End
2025-05-26 07:40:21.001
MJD Start
60821.31783566
MJD End
60821.31968751185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0047375
Ambient temperature (°C)
11.32
Seeing (arcsec)
0.61
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 90.4730 90.4380 114.7000 114.9000
A0-J2 129.0690 129.1420 91.9000 92.1000
A0-K0 127.0980 127.2680 70.3860 70.5910
G1-J2 57.5180 57.6080 54.4000 54.7000
G1-K0 88.7700 88.8630 25.0010 25.3060
J2-K0 47.9100 47.8890 348.8390 349.1420
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 60821.31783566
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 90.473
HIERARCH ESO ISS PBL12 END 90.438
HIERARCH ESO ISS PBLA12 START 114.7
HIERARCH ESO ISS PBLA12 END 114.9
HIERARCH ESO ISS PBL13 START 129.069
HIERARCH ESO ISS PBL13 END 129.142
HIERARCH ESO ISS PBLA13 START 91.9
HIERARCH ESO ISS PBLA13 END 92.1
HIERARCH ESO ISS PBL14 START 127.098
HIERARCH ESO ISS PBL14 END 127.268
HIERARCH ESO ISS PBLA14 START 70.386
HIERARCH ESO ISS PBLA14 END 70.591
HIERARCH ESO ISS PBL23 START 57.518
HIERARCH ESO ISS PBL23 END 57.608
HIERARCH ESO ISS PBLA23 START 54.4
HIERARCH ESO ISS PBLA23 END 54.7
HIERARCH ESO ISS PBL24 START 88.77
HIERARCH ESO ISS PBL24 END 88.863
HIERARCH ESO ISS PBLA24 START 25.001
HIERARCH ESO ISS PBLA24 END 25.306
HIERARCH ESO ISS PBL34 START 47.91
HIERARCH ESO ISS PBL34 END 47.889
HIERARCH ESO ISS PBLA34 START 348.839
HIERARCH ESO ISS PBLA34 END 349.142
HIERARCH ESO ISS AMBI TAU0 START 0.004687
HIERARCH ESO ISS AMBI TAU0 END 0.004788
HIERARCH ESO ISS AMBI TEMP 11.32
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.62