Exposure
ID
GRAVI.2025-05-22T04:50:49.336_1
Header ID
GRAVI.2025-05-22T04:50:49.336
Date updated
2025-05-22 05:01:14 UTC+0000
Release date
2025-05-22 04:50:49 UTC+0000
UTC Start
2025-05-22 04:50:49.336
UTC End
2025-05-22 04:53:29.336
MJD Start
60817.20195991
MJD End
60817.20381176186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.008092499999999999
Ambient temperature (°C)
14.75
Seeing (arcsec)
0.45999999999999996
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 66.8070 66.9380 260.3000 260.8000
K0-D0 95.6440 95.7070 240.9000 241.4000
K0-J3 52.1500 52.2700 324.1070 324.4360
G2-D0 39.4650 39.4380 206.7000 207.1000
G2-J3 64.0730 64.0340 33.4070 33.8650
D0-J3 103.3710 103.3020 30.8470 31.2950
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 60817.20195991
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 66.807
HIERARCH ESO ISS PBL12 END 66.938
HIERARCH ESO ISS PBLA12 START 260.3
HIERARCH ESO ISS PBLA12 END 260.8
HIERARCH ESO ISS PBL13 START 95.644
HIERARCH ESO ISS PBL13 END 95.707
HIERARCH ESO ISS PBLA13 START 240.9
HIERARCH ESO ISS PBLA13 END 241.4
HIERARCH ESO ISS PBL14 START 52.15
HIERARCH ESO ISS PBL14 END 52.27
HIERARCH ESO ISS PBLA14 START 324.107
HIERARCH ESO ISS PBLA14 END 324.436
HIERARCH ESO ISS PBL23 START 39.465
HIERARCH ESO ISS PBL23 END 39.438
HIERARCH ESO ISS PBLA23 START 206.7
HIERARCH ESO ISS PBLA23 END 207.1
HIERARCH ESO ISS PBL24 START 64.073
HIERARCH ESO ISS PBL24 END 64.034
HIERARCH ESO ISS PBLA24 START 33.407
HIERARCH ESO ISS PBLA24 END 33.865
HIERARCH ESO ISS PBL34 START 103.371
HIERARCH ESO ISS PBL34 END 103.302
HIERARCH ESO ISS PBLA34 START 30.847
HIERARCH ESO ISS PBLA34 END 31.295
HIERARCH ESO ISS AMBI TAU0 START 0.00882
HIERARCH ESO ISS AMBI TAU0 END 0.007365
HIERARCH ESO ISS AMBI TEMP 14.75
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.47