Exposure
ID
GRAVI.2025-05-22T04:40:49.311_1
Header ID
GRAVI.2025-05-22T04:40:49.311
Date updated
2025-05-22 04:51:07 UTC+0000
Release date
2025-05-22 04:40:49 UTC+0000
UTC Start
2025-05-22 04:40:49.311
UTC End
2025-05-22 04:43:29.311
MJD Start
60817.19501517
MJD End
60817.196867021856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0060585
Ambient temperature (°C)
14.8
Seeing (arcsec)
0.54
Observation
ID
67512
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
50213
Name
eta_Sco
RA
258.03848
DEC
-43.24082
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 66.3210 66.4720 258.5000 259.1000
K0-D0 95.3870 95.4700 239.1000 239.6000
K0-J3 51.7260 51.8550 323.0250 323.3440
G2-D0 39.5520 39.5270 205.2000 205.7000
G2-J3 64.1920 64.1600 31.8570 32.3200
D0-J3 103.5800 103.5220 29.3300 29.7830
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 60817.19501517
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME eta Sco
HIERARCH ESO INS SOBJ NAME eta_Sco
RA 258.03848
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 66.321
HIERARCH ESO ISS PBL12 END 66.472
HIERARCH ESO ISS PBLA12 START 258.5
HIERARCH ESO ISS PBLA12 END 259.1
HIERARCH ESO ISS PBL13 START 95.387
HIERARCH ESO ISS PBL13 END 95.47
HIERARCH ESO ISS PBLA13 START 239.1
HIERARCH ESO ISS PBLA13 END 239.6
HIERARCH ESO ISS PBL14 START 51.726
HIERARCH ESO ISS PBL14 END 51.855
HIERARCH ESO ISS PBLA14 START 323.025
HIERARCH ESO ISS PBLA14 END 323.344
HIERARCH ESO ISS PBL23 START 39.552
HIERARCH ESO ISS PBL23 END 39.527
HIERARCH ESO ISS PBLA23 START 205.2
HIERARCH ESO ISS PBLA23 END 205.7
HIERARCH ESO ISS PBL24 START 64.192
HIERARCH ESO ISS PBL24 END 64.16
HIERARCH ESO ISS PBLA24 START 31.857
HIERARCH ESO ISS PBLA24 END 32.32
HIERARCH ESO ISS PBL34 START 103.58
HIERARCH ESO ISS PBL34 END 103.522
HIERARCH ESO ISS PBLA34 START 29.33
HIERARCH ESO ISS PBLA34 END 29.783
HIERARCH ESO ISS AMBI TAU0 START 0.005451
HIERARCH ESO ISS AMBI TAU0 END 0.006666
HIERARCH ESO ISS AMBI TEMP 14.8
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.52