Exposure
ID
GRAVI.2025-03-06T01:45:29.685_1
Header ID
GRAVI.2025-03-06T01:45:29.685
Date updated
2025-03-06 02:00:42 UTC+0000
Release date
2026-03-06 02:00:42 UTC+0000
UTC Start
2025-03-06 01:45:29.685
UTC End
2025-03-06 01:48:09.685
MJD Start
60740.07326024
MJD End
60740.07511209186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.007183
Ambient temperature (°C)
14.77
Seeing (arcsec)
0.535
Observation
ID
64980
Category
science
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
48389
Name
Suhail
RA
136.995737
DEC
-43.43252
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 23.2060 23.2900 132.3000 132.7000
A0-D0 31.8650 31.8930 60.1000 60.8000
A0-C1 21.2700 21.3540 103.9380 104.5000
B2-D0 33.1830 33.1570 18.4000 18.9000
B2-C1 11.0530 11.0440 18.3400 18.8260
D0-C1 22.1300 22.1130 198.4010 198.8870
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60740.07326024
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME lam Vel
HIERARCH ESO INS SOBJ NAME Suhail
RA 136.995737
DEC -43.43252
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 23.206
HIERARCH ESO ISS PBL12 END 23.29
HIERARCH ESO ISS PBLA12 START 132.3
HIERARCH ESO ISS PBLA12 END 132.7
HIERARCH ESO ISS PBL13 START 31.865
HIERARCH ESO ISS PBL13 END 31.893
HIERARCH ESO ISS PBLA13 START 60.1
HIERARCH ESO ISS PBLA13 END 60.8
HIERARCH ESO ISS PBL14 START 21.27
HIERARCH ESO ISS PBL14 END 21.354
HIERARCH ESO ISS PBLA14 START 103.938
HIERARCH ESO ISS PBLA14 END 104.5
HIERARCH ESO ISS PBL23 START 33.183
HIERARCH ESO ISS PBL23 END 33.157
HIERARCH ESO ISS PBLA23 START 18.4
HIERARCH ESO ISS PBLA23 END 18.9
HIERARCH ESO ISS PBL24 START 11.053
HIERARCH ESO ISS PBL24 END 11.044
HIERARCH ESO ISS PBLA24 START 18.34
HIERARCH ESO ISS PBLA24 END 18.826
HIERARCH ESO ISS PBL34 START 22.13
HIERARCH ESO ISS PBL34 END 22.113
HIERARCH ESO ISS PBLA34 START 198.401
HIERARCH ESO ISS PBLA34 END 198.887
HIERARCH ESO ISS AMBI TAU0 START 0.007058
HIERARCH ESO ISS AMBI TAU0 END 0.007308
HIERARCH ESO ISS AMBI TEMP 14.77
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.54