Exposure
ID
GRAVI.2025-03-06T01:29:35.645_1
Header ID
GRAVI.2025-03-06T01:29:35.645
Date updated
2025-03-06 01:40:38 UTC+0000
Release date
2026-03-06 01:40:37 UTC+0000
UTC Start
2025-03-06 01:29:35.645
UTC End
2025-03-06 01:32:15.645
MJD Start
60740.06221811
MJD End
60740.06406996185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.006399
Ambient temperature (°C)
14.96
Seeing (arcsec)
0.52
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 22.8090 22.9020 130.4000 130.8000
A0-D0 31.7080 31.7480 57.2000 57.9000
A0-C1 20.8660 20.9620 101.4430 102.0070
B2-D0 33.2860 33.2640 16.2000 16.7000
B2-C1 11.0870 11.0800 16.1670 16.6600
D0-C1 22.1990 22.1840 196.2260 196.7200
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 60740.06221811
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 22.809
HIERARCH ESO ISS PBL12 END 22.902
HIERARCH ESO ISS PBLA12 START 130.4
HIERARCH ESO ISS PBLA12 END 130.8
HIERARCH ESO ISS PBL13 START 31.708
HIERARCH ESO ISS PBL13 END 31.748
HIERARCH ESO ISS PBLA13 START 57.2
HIERARCH ESO ISS PBLA13 END 57.9
HIERARCH ESO ISS PBL14 START 20.866
HIERARCH ESO ISS PBL14 END 20.962
HIERARCH ESO ISS PBLA14 START 101.443
HIERARCH ESO ISS PBLA14 END 102.007
HIERARCH ESO ISS PBL23 START 33.286
HIERARCH ESO ISS PBL23 END 33.264
HIERARCH ESO ISS PBLA23 START 16.2
HIERARCH ESO ISS PBLA23 END 16.7
HIERARCH ESO ISS PBL24 START 11.087
HIERARCH ESO ISS PBL24 END 11.08
HIERARCH ESO ISS PBLA24 START 16.167
HIERARCH ESO ISS PBLA24 END 16.66
HIERARCH ESO ISS PBL34 START 22.199
HIERARCH ESO ISS PBL34 END 22.184
HIERARCH ESO ISS PBLA34 START 196.226
HIERARCH ESO ISS PBLA34 END 196.72
HIERARCH ESO ISS AMBI TAU0 START 0.006399
HIERARCH ESO ISS AMBI TAU0 END 0.006399
HIERARCH ESO ISS AMBI TEMP 14.96
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.52