Exposure
ID
GRAVI.2025-11-19T05:46:54.208_1
Header ID
GRAVI.2025-11-19T05:46:54.208
Date updated
2025-11-19 06:15:47 UTC+0000
Release date
2025-11-19 05:46:54 UTC+0000
UTC Start
2025-11-19 05:46:54.208
UTC End
2025-11-19 05:49:34.208
MJD Start
60998.24090518
MJD End
60998.242757031854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005560000000000001
Ambient temperature (°C)
13.7
Seeing (arcsec)
0.905
Observation
ID
71809
Category
calibrator
Program ID
116.28P0.001
Program Title
UNVEILING 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 / ERCOLINO / JANIK
Target
ID
53309
Name
bet_Vol
RA
126.428169
DEC
-66.13776
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 16.1480 16.2700 93.9000 94.7000
A0-D0 31.9410 31.9470 28.8000 29.6000
A0-C1 18.0430 18.1180 61.5510 62.4960
B2-D0 29.0900 29.0920 358.6000 359.2000
B2-C1 9.6870 9.6880 358.5450 359.1460
D0-C1 19.4030 19.4040 178.5970 179.1990
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60998.24090518
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME bet Vol
HIERARCH ESO INS SOBJ NAME bet_Vol
RA 126.428169
DEC -66.13776
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 16.148
HIERARCH ESO ISS PBL12 END 16.27
HIERARCH ESO ISS PBLA12 START 93.9
HIERARCH ESO ISS PBLA12 END 94.7
HIERARCH ESO ISS PBL13 START 31.941
HIERARCH ESO ISS PBL13 END 31.947
HIERARCH ESO ISS PBLA13 START 28.8
HIERARCH ESO ISS PBLA13 END 29.6
HIERARCH ESO ISS PBL14 START 18.043
HIERARCH ESO ISS PBL14 END 18.118
HIERARCH ESO ISS PBLA14 START 61.551
HIERARCH ESO ISS PBLA14 END 62.496
HIERARCH ESO ISS PBL23 START 29.09
HIERARCH ESO ISS PBL23 END 29.092
HIERARCH ESO ISS PBLA23 START 358.6
HIERARCH ESO ISS PBLA23 END 359.2
HIERARCH ESO ISS PBL24 START 9.687
HIERARCH ESO ISS PBL24 END 9.688
HIERARCH ESO ISS PBLA24 START 358.545
HIERARCH ESO ISS PBLA24 END 359.146
HIERARCH ESO ISS PBL34 START 19.403
HIERARCH ESO ISS PBL34 END 19.404
HIERARCH ESO ISS PBLA34 START 178.597
HIERARCH ESO ISS PBLA34 END 179.199
HIERARCH ESO ISS AMBI TAU0 START 0.00517
HIERARCH ESO ISS AMBI TAU0 END 0.00595
HIERARCH ESO ISS AMBI TEMP 13.7
HIERARCH ESO ISS AMBI FWHM START 1.07
HIERARCH ESO ISS AMBI FWHM END 0.74