Exposure
ID
GRAVI.2025-06-17T06:22:31.700_1
Header ID
GRAVI.2025-06-17T06:22:31.700
Date updated
2025-06-17 06:36:00 UTC+0000
Release date
2025-06-17 06:22:31 UTC+0000
UTC Start
2025-06-17 06:22:31.700
UTC End
2025-06-17 06:25:11.700
MJD Start
60843.26564468
MJD End
60843.26749653186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.001861
Ambient temperature (°C)
7.1
Seeing (arcsec)
1.155
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 88.8500 88.7400 137.8000 138.3000
A0-J2 119.9280 119.5190 116.4000 117.0000
A0-K0 111.6130 111.0210 93.5860 94.1130
G1-J2 49.3460 49.0630 75.3000 75.7000
G1-K0 78.2820 77.9990 41.3110 41.5820
J2-K0 46.4490 46.4370 4.8730 5.2120
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 60843.26564468
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 88.85
HIERARCH ESO ISS PBL12 END 88.74
HIERARCH ESO ISS PBLA12 START 137.8
HIERARCH ESO ISS PBLA12 END 138.3
HIERARCH ESO ISS PBL13 START 119.928
HIERARCH ESO ISS PBL13 END 119.519
HIERARCH ESO ISS PBLA13 START 116.4
HIERARCH ESO ISS PBLA13 END 117.0
HIERARCH ESO ISS PBL14 START 111.613
HIERARCH ESO ISS PBL14 END 111.021
HIERARCH ESO ISS PBLA14 START 93.586
HIERARCH ESO ISS PBLA14 END 94.113
HIERARCH ESO ISS PBL23 START 49.346
HIERARCH ESO ISS PBL23 END 49.063
HIERARCH ESO ISS PBLA23 START 75.3
HIERARCH ESO ISS PBLA23 END 75.7
HIERARCH ESO ISS PBL24 START 78.282
HIERARCH ESO ISS PBL24 END 77.999
HIERARCH ESO ISS PBLA24 START 41.311
HIERARCH ESO ISS PBLA24 END 41.582
HIERARCH ESO ISS PBL34 START 46.449
HIERARCH ESO ISS PBL34 END 46.437
HIERARCH ESO ISS PBLA34 START 4.873
HIERARCH ESO ISS PBLA34 END 5.212
HIERARCH ESO ISS AMBI TAU0 START 0.001738
HIERARCH ESO ISS AMBI TAU0 END 0.001984
HIERARCH ESO ISS AMBI TEMP 7.1
HIERARCH ESO ISS AMBI FWHM START 1.25
HIERARCH ESO ISS AMBI FWHM END 1.06