Exposure
ID
GRAVI.2025-03-06T01:41:35.675_1
Header ID
GRAVI.2025-03-06T01:41:35.675
Date updated
2025-03-06 01:55:47 UTC+0000
Release date
2026-03-06 01:55:47 UTC+0000
UTC Start
2025-03-06 01:41:35.675
UTC End
2025-03-06 01:44:15.675
MJD Start
60740.07055179
MJD End
60740.072403641854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.007118
Ambient temperature (°C)
14.79
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 23.1130 23.1990 131.8000 132.3000
A0-D0 31.8320 31.8630 59.4000 60.1000
A0-C1 21.1770 21.2640 103.3320 103.8940
B2-D0 33.2100 33.1850 17.9000 18.3000
B2-C1 11.0620 11.0540 17.8150 18.3020
D0-C1 22.1480 22.1320 197.8750 198.3630
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 60740.07055179
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 23.113
HIERARCH ESO ISS PBL12 END 23.199
HIERARCH ESO ISS PBLA12 START 131.8
HIERARCH ESO ISS PBLA12 END 132.3
HIERARCH ESO ISS PBL13 START 31.832
HIERARCH ESO ISS PBL13 END 31.863
HIERARCH ESO ISS PBLA13 START 59.4
HIERARCH ESO ISS PBLA13 END 60.1
HIERARCH ESO ISS PBL14 START 21.177
HIERARCH ESO ISS PBL14 END 21.264
HIERARCH ESO ISS PBLA14 START 103.332
HIERARCH ESO ISS PBLA14 END 103.894
HIERARCH ESO ISS PBL23 START 33.21
HIERARCH ESO ISS PBL23 END 33.185
HIERARCH ESO ISS PBLA23 START 17.9
HIERARCH ESO ISS PBLA23 END 18.3
HIERARCH ESO ISS PBL24 START 11.062
HIERARCH ESO ISS PBL24 END 11.054
HIERARCH ESO ISS PBLA24 START 17.815
HIERARCH ESO ISS PBLA24 END 18.302
HIERARCH ESO ISS PBL34 START 22.148
HIERARCH ESO ISS PBL34 END 22.132
HIERARCH ESO ISS PBLA34 START 197.875
HIERARCH ESO ISS PBLA34 END 198.363
HIERARCH ESO ISS AMBI TAU0 START 0.007178
HIERARCH ESO ISS AMBI TAU0 END 0.007058
HIERARCH ESO ISS AMBI TEMP 14.79
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.53