Exposure
ID
GRAVI.2025-03-06T01:18:02.615_1
Header ID
GRAVI.2025-03-06T01:18:02.615
Date updated
2025-03-06 01:30:44 UTC+0000
Release date
2025-03-06 01:18:02 UTC+0000
UTC Start
2025-03-06 01:18:02.615
UTC End
2025-03-06 01:20:42.615
MJD Start
60740.05419693
MJD End
60740.05604878186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005755
Ambient temperature (°C)
15.08
Seeing (arcsec)
0.6
Observation
ID
64979
Category
calibrator
Program ID
114.27NF.001
Program Title
UNVELING 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
48388
Name
bet_Vol
RA
126.428157
DEC
-66.13774
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 20.4790 20.5560 124.4000 125.1000
A0-D0 31.7350 31.7110 63.7000 64.5000
A0-C1 20.9560 21.0090 98.3100 99.1100
B2-D0 28.1220 28.0720 24.3000 24.9000
B2-C1 9.3650 9.3490 24.2110 24.8100
D0-C1 18.7570 18.7230 204.2800 204.8780
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60740.05419693
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME bet Vol
HIERARCH ESO INS SOBJ NAME bet_Vol
RA 126.428157
DEC -66.13774
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 216.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 160
HIERARCH ESO ISS PBL12 START 20.479
HIERARCH ESO ISS PBL12 END 20.556
HIERARCH ESO ISS PBLA12 START 124.4
HIERARCH ESO ISS PBLA12 END 125.1
HIERARCH ESO ISS PBL13 START 31.735
HIERARCH ESO ISS PBL13 END 31.711
HIERARCH ESO ISS PBLA13 START 63.7
HIERARCH ESO ISS PBLA13 END 64.5
HIERARCH ESO ISS PBL14 START 20.956
HIERARCH ESO ISS PBL14 END 21.009
HIERARCH ESO ISS PBLA14 START 98.31
HIERARCH ESO ISS PBLA14 END 99.11
HIERARCH ESO ISS PBL23 START 28.122
HIERARCH ESO ISS PBL23 END 28.072
HIERARCH ESO ISS PBLA23 START 24.3
HIERARCH ESO ISS PBLA23 END 24.9
HIERARCH ESO ISS PBL24 START 9.365
HIERARCH ESO ISS PBL24 END 9.349
HIERARCH ESO ISS PBLA24 START 24.211
HIERARCH ESO ISS PBLA24 END 24.81
HIERARCH ESO ISS PBL34 START 18.757
HIERARCH ESO ISS PBL34 END 18.723
HIERARCH ESO ISS PBLA34 START 204.28
HIERARCH ESO ISS PBLA34 END 204.878
HIERARCH ESO ISS AMBI TAU0 START 0.005546
HIERARCH ESO ISS AMBI TAU0 END 0.005964
HIERARCH ESO ISS AMBI TEMP 15.08
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.51