Exposure
ID
GRAVI.2025-05-22T04:44:07.320_1
Header ID
GRAVI.2025-05-22T04:44:07.320
Date updated
2025-05-22 04:56:05 UTC+0000
Release date
2025-05-22 04:44:07 UTC+0000
UTC Start
2025-05-22 04:44:07.320
UTC End
2025-05-22 04:46:47.320
MJD Start
60817.19730694
MJD End
60817.19915879185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.006895500000000001
Ambient temperature (°C)
14.79
Seeing (arcsec)
0.51
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 66.4870 66.6310 259.1000 259.6000
K0-D0 95.4790 95.5550 239.7000 240.2000
K0-J3 51.8680 51.9930 323.3750 323.6980
G2-D0 39.5250 39.4990 205.7000 206.1000
G2-J3 64.1560 64.1210 32.3650 32.8270
D0-J3 103.5150 103.4540 29.8270 30.2790
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 60817.19730694
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 66.487
HIERARCH ESO ISS PBL12 END 66.631
HIERARCH ESO ISS PBLA12 START 259.1
HIERARCH ESO ISS PBLA12 END 259.6
HIERARCH ESO ISS PBL13 START 95.479
HIERARCH ESO ISS PBL13 END 95.555
HIERARCH ESO ISS PBLA13 START 239.7
HIERARCH ESO ISS PBLA13 END 240.2
HIERARCH ESO ISS PBL14 START 51.868
HIERARCH ESO ISS PBL14 END 51.993
HIERARCH ESO ISS PBLA14 START 323.375
HIERARCH ESO ISS PBLA14 END 323.698
HIERARCH ESO ISS PBL23 START 39.525
HIERARCH ESO ISS PBL23 END 39.499
HIERARCH ESO ISS PBLA23 START 205.7
HIERARCH ESO ISS PBLA23 END 206.1
HIERARCH ESO ISS PBL24 START 64.156
HIERARCH ESO ISS PBL24 END 64.121
HIERARCH ESO ISS PBLA24 START 32.365
HIERARCH ESO ISS PBLA24 END 32.827
HIERARCH ESO ISS PBL34 START 103.515
HIERARCH ESO ISS PBL34 END 103.454
HIERARCH ESO ISS PBLA34 START 29.827
HIERARCH ESO ISS PBLA34 END 30.279
HIERARCH ESO ISS AMBI TAU0 START 0.006666
HIERARCH ESO ISS AMBI TAU0 END 0.007125
HIERARCH ESO ISS AMBI TEMP 14.79
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.5