Exposure
ID
GRAVI.2025-11-23T07:38:30.087_1
Header ID
GRAVI.2025-11-23T07:38:30.087
Date updated
2025-11-23 07:50:49 UTC+0000
Release date
2026-11-23 07:50:49 UTC+0000
UTC Start
2025-11-23 07:38:30.087
UTC End
2025-11-23 07:41:42.087
MJD Start
61002.31840378
MJD End
61002.32062600223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0034330000000000003
Ambient temperature (°C)
11.78
Seeing (arcsec)
0.76
Observation
ID
71841
Category
science
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
53316
Name
V_WY_Vel
RA
140.492676
DEC
-52.56432
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 D0 G1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 38.4690 38.6880 130.7000 131.1000
A0-D0 31.6250 31.6590 45.8000 46.6000
A0-G1 76.7930 77.2570 87.5350 88.2770
B5-D0 47.5350 47.5680 352.2000 352.6000
B5-G1 55.3540 55.5050 59.1760 59.9960
D0-G1 57.1840 57.5780 109.1190 109.7090
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 61002.31840378
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V WY Vel
HIERARCH ESO INS SOBJ NAME V_WY_Vel
RA 140.492676
DEC -52.56432
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 B5
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 G1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 38.469
HIERARCH ESO ISS PBL12 END 38.688
HIERARCH ESO ISS PBLA12 START 130.7
HIERARCH ESO ISS PBLA12 END 131.1
HIERARCH ESO ISS PBL13 START 31.625
HIERARCH ESO ISS PBL13 END 31.659
HIERARCH ESO ISS PBLA13 START 45.8
HIERARCH ESO ISS PBLA13 END 46.6
HIERARCH ESO ISS PBL14 START 76.793
HIERARCH ESO ISS PBL14 END 77.257
HIERARCH ESO ISS PBLA14 START 87.535
HIERARCH ESO ISS PBLA14 END 88.277
HIERARCH ESO ISS PBL23 START 47.535
HIERARCH ESO ISS PBL23 END 47.568
HIERARCH ESO ISS PBLA23 START 352.2
HIERARCH ESO ISS PBLA23 END 352.6
HIERARCH ESO ISS PBL24 START 55.354
HIERARCH ESO ISS PBL24 END 55.505
HIERARCH ESO ISS PBLA24 START 59.176
HIERARCH ESO ISS PBLA24 END 59.996
HIERARCH ESO ISS PBL34 START 57.184
HIERARCH ESO ISS PBL34 END 57.578
HIERARCH ESO ISS PBLA34 START 109.119
HIERARCH ESO ISS PBLA34 END 109.709
HIERARCH ESO ISS AMBI TAU0 START 0.003422
HIERARCH ESO ISS AMBI TAU0 END 0.003444
HIERARCH ESO ISS AMBI TEMP 11.78
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.71