Exposure
ID
GRAVI.2025-11-23T07:46:42.108_1
Header ID
GRAVI.2025-11-23T07:46:42.108
Date updated
2025-11-23 08:01:02 UTC+0000
Release date
2026-11-23 08:01:02 UTC+0000
UTC Start
2025-11-23 07:46:42.108
UTC End
2025-11-23 07:49:54.108
MJD Start
61002.32409847
MJD End
61002.32632069223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0037140000000000003
Ambient temperature (°C)
11.88
Seeing (arcsec)
0.6399999999999999
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 38.9510 39.1630 131.7000 132.1000
A0-D0 31.6990 31.7300 47.6000 48.4000
A0-G1 77.8160 78.2660 89.1910 89.9310
B5-D0 47.6040 47.6330 353.1000 353.6000
B5-G1 55.6860 55.8310 61.0070 61.8250
D0-G1 58.0520 58.4340 110.4430 111.0380
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 61002.32409847
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 38.951
HIERARCH ESO ISS PBL12 END 39.163
HIERARCH ESO ISS PBLA12 START 131.7
HIERARCH ESO ISS PBLA12 END 132.1
HIERARCH ESO ISS PBL13 START 31.699
HIERARCH ESO ISS PBL13 END 31.73
HIERARCH ESO ISS PBLA13 START 47.6
HIERARCH ESO ISS PBLA13 END 48.4
HIERARCH ESO ISS PBL14 START 77.816
HIERARCH ESO ISS PBL14 END 78.266
HIERARCH ESO ISS PBLA14 START 89.191
HIERARCH ESO ISS PBLA14 END 89.931
HIERARCH ESO ISS PBL23 START 47.604
HIERARCH ESO ISS PBL23 END 47.633
HIERARCH ESO ISS PBLA23 START 353.1
HIERARCH ESO ISS PBLA23 END 353.6
HIERARCH ESO ISS PBL24 START 55.686
HIERARCH ESO ISS PBL24 END 55.831
HIERARCH ESO ISS PBLA24 START 61.007
HIERARCH ESO ISS PBLA24 END 61.825
HIERARCH ESO ISS PBL34 START 58.052
HIERARCH ESO ISS PBL34 END 58.434
HIERARCH ESO ISS PBLA34 START 110.443
HIERARCH ESO ISS PBLA34 END 111.038
HIERARCH ESO ISS AMBI TAU0 START 0.003507
HIERARCH ESO ISS AMBI TAU0 END 0.003921
HIERARCH ESO ISS AMBI TEMP 11.88
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.58