Exposure
ID
GRAVI.2025-06-17T06:25:46.709_1
Header ID
GRAVI.2025-06-17T06:25:46.709
Date updated
2025-06-17 06:36:00 UTC+0000
Release date
2025-06-17 06:25:46 UTC+0000
UTC Start
2025-06-17 06:25:46.709
UTC End
2025-06-17 06:28:26.709
MJD Start
60843.26790172
MJD End
60843.269753571854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002014
Ambient temperature (°C)
6.96
Seeing (arcsec)
0.98
Observation
ID
68143
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
50651
Name
eta_Sco
RA
258.035425
DEC
-43.24082
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 88.7290 88.6160 138.4000 139.0000
A0-J2 119.4780 119.0620 117.0000 117.6000
A0-K0 110.9610 110.3580 94.1670 94.6980
G1-J2 49.0340 48.7450 75.8000 76.2000
G1-K0 77.9700 77.6810 41.6100 41.8780
J2-K0 46.4360 46.4230 5.2470 5.5860
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 60843.26790172
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME eta Sco
HIERARCH ESO INS SOBJ NAME eta_Sco
RA 258.035425
DEC -43.24082
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 88.729
HIERARCH ESO ISS PBL12 END 88.616
HIERARCH ESO ISS PBLA12 START 138.4
HIERARCH ESO ISS PBLA12 END 139.0
HIERARCH ESO ISS PBL13 START 119.478
HIERARCH ESO ISS PBL13 END 119.062
HIERARCH ESO ISS PBLA13 START 117.0
HIERARCH ESO ISS PBLA13 END 117.6
HIERARCH ESO ISS PBL14 START 110.961
HIERARCH ESO ISS PBL14 END 110.358
HIERARCH ESO ISS PBLA14 START 94.167
HIERARCH ESO ISS PBLA14 END 94.698
HIERARCH ESO ISS PBL23 START 49.034
HIERARCH ESO ISS PBL23 END 48.745
HIERARCH ESO ISS PBLA23 START 75.8
HIERARCH ESO ISS PBLA23 END 76.2
HIERARCH ESO ISS PBL24 START 77.97
HIERARCH ESO ISS PBL24 END 77.681
HIERARCH ESO ISS PBLA24 START 41.61
HIERARCH ESO ISS PBLA24 END 41.878
HIERARCH ESO ISS PBL34 START 46.436
HIERARCH ESO ISS PBL34 END 46.423
HIERARCH ESO ISS PBLA34 START 5.247
HIERARCH ESO ISS PBLA34 END 5.586
HIERARCH ESO ISS AMBI TAU0 START 0.001984
HIERARCH ESO ISS AMBI TAU0 END 0.002044
HIERARCH ESO ISS AMBI TEMP 6.96
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 0.99