Exposure
ID
GRAVI.2025-03-06T01:33:32.655_1
Header ID
GRAVI.2025-03-06T01:33:32.655
Date updated
2025-03-06 01:50:37 UTC+0000
Release date
2026-03-06 01:50:37 UTC+0000
UTC Start
2025-03-06 01:33:32.655
UTC End
2025-03-06 01:36:12.655
MJD Start
60740.06496128
MJD End
60740.06681313185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.006543
Ambient temperature (°C)
14.96
Seeing (arcsec)
0.5549999999999999
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 22.9120 23.0030 130.9000 131.3000
A0-D0 31.7520 31.7890 57.9000 58.6000
A0-C1 20.9720 21.0650 102.0670 102.6310
B2-D0 33.2620 33.2400 16.8000 17.2000
B2-C1 11.0790 11.0720 16.7130 17.2040
D0-C1 22.1830 22.1680 196.7730 197.2650
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 60740.06496128
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 22.912
HIERARCH ESO ISS PBL12 END 23.003
HIERARCH ESO ISS PBLA12 START 130.9
HIERARCH ESO ISS PBLA12 END 131.3
HIERARCH ESO ISS PBL13 START 31.752
HIERARCH ESO ISS PBL13 END 31.789
HIERARCH ESO ISS PBLA13 START 57.9
HIERARCH ESO ISS PBLA13 END 58.6
HIERARCH ESO ISS PBL14 START 20.972
HIERARCH ESO ISS PBL14 END 21.065
HIERARCH ESO ISS PBLA14 START 102.067
HIERARCH ESO ISS PBLA14 END 102.631
HIERARCH ESO ISS PBL23 START 33.262
HIERARCH ESO ISS PBL23 END 33.24
HIERARCH ESO ISS PBLA23 START 16.8
HIERARCH ESO ISS PBLA23 END 17.2
HIERARCH ESO ISS PBL24 START 11.079
HIERARCH ESO ISS PBL24 END 11.072
HIERARCH ESO ISS PBLA24 START 16.713
HIERARCH ESO ISS PBLA24 END 17.204
HIERARCH ESO ISS PBL34 START 22.183
HIERARCH ESO ISS PBL34 END 22.168
HIERARCH ESO ISS PBLA34 START 196.773
HIERARCH ESO ISS PBLA34 END 197.265
HIERARCH ESO ISS AMBI TAU0 START 0.006399
HIERARCH ESO ISS AMBI TAU0 END 0.006687
HIERARCH ESO ISS AMBI TEMP 14.96
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.59